/* C Compatible Compiler Preprocessor (CCCP)
- Copyright (C) 1986, 87, 89, 92-96, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1986, 87, 89, 92-97, 1998 Free Software Foundation, Inc.
Written by Paul Rubin, June 1986
Adapted to ANSI C, Richard Stallman, Jan 1987
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.
+Boston, MA 02111-1307, USA. */
- In other words, you are welcome to use, share and improve this program.
- You are forbidden to forbid anyone else to use, share and improve
- what you give them. Help stamp out software-hoarding! */
-\f
-typedef unsigned char U_CHAR;
-
-#ifdef EMACS
-#define NO_SHORTNAMES
-#include "../src/config.h"
-#ifdef open
-#undef open
-#undef read
-#undef write
-#endif /* open */
-#endif /* EMACS */
-
-/* The macro EMACS is defined when cpp is distributed as part of Emacs,
- for the sake of machines with limited C compilers. */
-#ifndef EMACS
#include "config.h"
-#endif /* not EMACS */
-
-#ifndef STANDARD_INCLUDE_DIR
-#define STANDARD_INCLUDE_DIR "/usr/include"
-#endif
-
-#include "pcp.h"
-/* By default, colon separates directories in a path. */
-#ifndef PATH_SEPARATOR
-#define PATH_SEPARATOR ':'
-#endif
+#define PRINTF_PROTO(ARGS, m, n) PVPROTO (ARGS) ATTRIBUTE_PRINTF(m, n)
-/* By default, the suffix for object files is ".o". */
-#ifdef OBJECT_SUFFIX
-#define HAVE_OBJECT_SUFFIX
-#else
-#define OBJECT_SUFFIX ".o"
-#endif
+#define PRINTF_PROTO_1(ARGS) PRINTF_PROTO(ARGS, 1, 2)
+#define PRINTF_PROTO_2(ARGS) PRINTF_PROTO(ARGS, 2, 3)
+#define PRINTF_PROTO_3(ARGS) PRINTF_PROTO(ARGS, 3, 4)
+#define PRINTF_PROTO_4(ARGS) PRINTF_PROTO(ARGS, 4, 5)
-#include <sys/types.h>
+#include "system.h"
#include <sys/stat.h>
-#include <ctype.h>
-#include <stdio.h>
#include <signal.h>
-/* The following symbols should be autoconfigured:
- HAVE_FCNTL_H
- HAVE_SYS_TIME_H
- STDC_HEADERS
- TIME_WITH_SYS_TIME
- In the mean time, we'll get by with approximations based
- on existing GCC configuration symbols. */
-
-#ifdef POSIX
-# ifndef STDC_HEADERS
-# define STDC_HEADERS 1
-# endif
-#endif /* defined (POSIX) */
-
-#if defined (POSIX) || (defined (USG) && !defined (VMS))
-# ifndef HAVE_FCNTL_H
-# define HAVE_FCNTL_H 1
-# endif
-#endif
-
-#ifndef RLIMIT_STACK
-# include <time.h>
-#else
-# if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-# else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-# endif
+#ifdef HAVE_SYS_RESOURCE_H
# include <sys/resource.h>
#endif
-#if HAVE_FCNTL_H
-# include <fcntl.h>
-#endif
+typedef unsigned char U_CHAR;
-#if HAVE_LIMITS_H
-# include <limits.h>
-#endif
+#include "pcp.h"
-#include <errno.h>
+#ifdef MULTIBYTE_CHARS
+#include "mbchar.h"
+#include <locale.h>
+#endif /* MULTIBYTE_CHARS */
-#if HAVE_STDLIB_H
-# include <stdlib.h>
-#else
-char *getenv ();
+#ifndef GET_ENV_PATH_LIST
+#define GET_ENV_PATH_LIST(VAR,NAME) do { (VAR) = getenv (NAME); } while (0)
#endif
-#if STDC_HEADERS
-# include <string.h>
-# ifndef bcmp
-# define bcmp(a, b, n) memcmp (a, b, n)
-# endif
-# ifndef bcopy
-# define bcopy(s, d, n) memcpy (d, s, n)
-# endif
-# ifndef bzero
-# define bzero(d, n) memset (d, 0, n)
-# endif
-#else /* !STDC_HEADERS */
-char *index ();
-char *rindex ();
-
-# if !defined (BSTRING) && (defined (USG) || defined (VMS))
-
-# ifndef bcmp
-# define bcmp my_bcmp
-static int
-my_bcmp (a, b, n)
- register char *a;
- register char *b;
- register unsigned n;
-{
- while (n-- > 0)
- if (*a++ != *b++)
- return 1;
-
- return 0;
-}
-# endif /* !defined (bcmp) */
-
-# ifndef bcopy
-# define bcopy my_bcopy
-static void
-my_bcopy (s, d, n)
- register char *s;
- register char *d;
- register unsigned n;
-{
- while (n-- > 0)
- *d++ = *s++;
-}
-# endif /* !defined (bcopy) */
-
-# ifndef bzero
-# define bzero my_bzero
-static void
-my_bzero (b, length)
- register char *b;
- register unsigned length;
-{
- while (length-- > 0)
- *b++ = 0;
-}
-# endif /* !defined (bzero) */
-
-# endif /* !defined (BSTRING) && (defined (USG) || defined (VMS)) */
-#endif /* ! STDC_HEADERS */
-
-#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
-# define __attribute__(x)
+#ifndef STANDARD_INCLUDE_DIR
+# define STANDARD_INCLUDE_DIR "/usr/include"
#endif
-#ifndef PROTO
-# if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
-# define PROTO(ARGS) ARGS
-# else
-# define PROTO(ARGS) ()
-# endif
+/* By default, colon separates directories in a path. */
+#ifndef PATH_SEPARATOR
+# define PATH_SEPARATOR ':'
#endif
-#if defined (__STDC__) && defined (HAVE_VPRINTF)
-# include <stdarg.h>
-# define VA_START(va_list, var) va_start (va_list, var)
-# define PRINTF_ALIST(msg) char *msg, ...
-# define PRINTF_DCL(msg)
-# define PRINTF_PROTO(ARGS, m, n) PROTO (ARGS) __attribute__ ((format (__printf__, m, n)))
+/* By default, the suffix for object files is ".o". */
+#ifdef OBJECT_SUFFIX
+# define HAVE_OBJECT_SUFFIX
#else
-# include <varargs.h>
-# define VA_START(va_list, var) va_start (va_list)
-# define PRINTF_ALIST(msg) msg, va_alist
-# define PRINTF_DCL(msg) char *msg; va_dcl
-# define PRINTF_PROTO(ARGS, m, n) () __attribute__ ((format (__printf__, m, n)))
-# define vfprintf(file, msg, args) \
- { \
- char *a0 = va_arg(args, char *); \
- char *a1 = va_arg(args, char *); \
- char *a2 = va_arg(args, char *); \
- char *a3 = va_arg(args, char *); \
- fprintf (file, msg, a0, a1, a2, a3); \
- }
-#endif
-
-#define PRINTF_PROTO_1(ARGS) PRINTF_PROTO(ARGS, 1, 2)
-#define PRINTF_PROTO_2(ARGS) PRINTF_PROTO(ARGS, 2, 3)
-#define PRINTF_PROTO_3(ARGS) PRINTF_PROTO(ARGS, 3, 4)
-
-#if HAVE_UNISTD_H
-# include <unistd.h>
+# define OBJECT_SUFFIX ".o"
#endif
/* VMS-specific definitions */
#ifdef VMS
#include <descrip.h>
+#include <ssdef.h>
+#include <syidef.h>
#define open(fname,mode,prot) VMS_open (fname,mode,prot)
#define fopen(fname,mode) VMS_fopen (fname,mode)
#define freopen(fname,mode,ofile) VMS_freopen (fname,mode,ofile)
static int VMS_open ();
static FILE *VMS_fopen ();
static FILE *VMS_freopen ();
-static void hack_vms_include_specification ();
+static int hack_vms_include_specification ();
#define INO_T_EQ(a, b) (!bcmp((char *) &(a), (char *) &(b), sizeof (a)))
#define INO_T_HASH(a) 0
#define INCLUDE_LEN_FUDGE 12 /* leave room for VMS syntax conversion */
#define INO_T_EQ(a, b) 0
#endif
-#ifndef O_RDONLY
-#define O_RDONLY 0
-#endif
-
#undef MIN
#undef MAX
#define MIN(X,Y) ((X) < (Y) ? (X) : (Y))
# include <inttypes.h>
# define HOST_WIDE_INT intmax_t
# else
-# if (HOST_BITS_PER_LONG <= HOST_BITS_PER_INT \
- && HOST_BITS_PER_LONGLONG <= HOST_BITS_PER_INT)
+# if (HOST_BITS_PER_LONG <= HOST_BITS_PER_INT && HOST_BITS_PER_LONGLONG <= HOST_BITS_PER_INT)
# define HOST_WIDE_INT int
# else
-# if (HOST_BITS_PER_LONGLONG <= HOST_BITS_PER_LONG \
- || ! (defined LONG_LONG_MAX || defined LLONG_MAX))
+# if (HOST_BITS_PER_LONGLONG <= HOST_BITS_PER_LONG || ! (defined LONG_LONG_MAX || defined LLONG_MAX))
# define HOST_WIDE_INT long
# else
# define HOST_WIDE_INT long long
#define INO_T_HASH(a) (a)
#endif
-/* Define a generic NULL if one hasn't already been defined. */
-
-#ifndef NULL
-#define NULL 0
-#endif
-
-#ifndef GENERIC_PTR
-#if defined (USE_PROTOTYPES) ? USE_PROTOTYPES : defined (__STDC__)
-#define GENERIC_PTR void *
-#else
-#define GENERIC_PTR char *
-#endif
-#endif
-
-#ifndef NULL_PTR
-#define NULL_PTR ((GENERIC_PTR) 0)
-#endif
-
#ifndef INCLUDE_LEN_FUDGE
#define INCLUDE_LEN_FUDGE 0
#endif
extern char *version_string;
extern char *update_path PROTO((char *, char *));
-#ifndef VMS
-#ifndef HAVE_STRERROR
-extern int sys_nerr;
-extern char *sys_errlist[];
-#else /* HAVE_STRERROR */
-char *strerror ();
-#endif
-#else /* VMS */
-char *strerror (int,...);
-#endif
HOST_WIDE_INT parse_escape PROTO((char **, HOST_WIDE_INT));
-HOST_WIDE_INT parse_c_expression PROTO((char *));
-
-#ifndef errno
-extern int errno;
-#endif
+HOST_WIDE_INT parse_c_expression PROTO((char *, int));
\f
/* Name under which this program was invoked. */
static int debug_output = 0;
/* Nonzero means pass #include lines through to the output,
- even if they are ifdeffed out. */
+ even if they are ifdefed out. */
static int dump_includes;
/* Nonzero indicates special processing used by the pcp program. The
/* Nonzero means warn if undefined identifiers are evaluated in an #if. */
-int warn_undef;
+static int warn_undef;
/* Nonzero means warn if #import is used. */
static int no_output;
+/* Nonzero means we should look for header.gcc files that remap file names. */
+static int remap;
+
/* Nonzero means this file was included with a -imacros or -include
command line and should not be recorded as an include file. */
char *fname;
/* Filename specified with #line directive. */
char *nominal_fname;
+ /* The length of nominal_fname, which may contain embedded NULs. */
+ size_t nominal_fname_len;
/* Include file description. */
struct include_file *inc;
/* Record where in the search path this file was found.
= {
/* Pick up GNU C++ specific include files. */
{ GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },
- { OLD_GPLUSPLUS_INCLUDE_DIR, 0, 1, 1 },
#ifdef CROSS_COMPILE
/* This is the dir for fixincludes. Put it just before
the files that we fix. */
U_CHAR *expansion;
int line; /* Line number of definition */
char *file; /* File of definition */
+ size_t file_len; /* Length of file (which can contain NULs) */
char rest_args; /* Nonzero if last arg. absorbs the rest */
struct reflist {
struct reflist *next;
#ifndef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX ""
#endif
+char * user_label_prefix = USER_LABEL_PREFIX;
+#undef USER_LABEL_PREFIX
/* The string value for __REGISTER_PREFIX__ */
enum node_type type; /* Code which describes which directive. */
};
-#define IS_INCLUDE_DIRECTIVE_TYPE(t) (T_INCLUDE <= (t) && (t) <= T_IMPORT)
+#define IS_INCLUDE_DIRECTIVE_TYPE(t) \
+((int) T_INCLUDE <= (int) (t) && (int) (t) <= (int) T_IMPORT)
/* These functions are declared to return int instead of void since they
are going to be placed in the table and some old compilers have trouble with
struct if_stack {
struct if_stack *next; /* for chaining to the next stack frame */
char *fname; /* copied from input when frame is made */
+ size_t fname_len; /* similarly */
int lineno; /* similarly */
int if_succeeded; /* true if a leg of this if-group
has been passed through rescan */
\f
static int safe_read PROTO((int, char *, int));
static void safe_write PROTO((int, char *, int));
+static void eprint_string PROTO((char *, size_t));
int main PROTO((int, char **));
static char *check_precompiled PROTO((int, struct stat *, char *, char **));
static int check_preconditions PROTO((char *));
-static void pcfinclude PROTO((U_CHAR *, U_CHAR *, U_CHAR *, FILE_BUF *));
+static void pcfinclude PROTO((U_CHAR *, U_CHAR *, FILE_BUF *));
static void pcstring_used PROTO((HASHNODE *));
static void write_output PROTO((void));
static void pass_thru_directive PROTO((U_CHAR *, U_CHAR *, FILE_BUF *, struct directive *));
static U_CHAR *skip_to_end_of_comment PROTO((FILE_BUF *, int *, int));
static U_CHAR *skip_quoted_string PROTO((U_CHAR *, U_CHAR *, int, int *, int *, int *));
-static char *quote_string PROTO((char *, char *));
+static char *quote_string PROTO((char *, char *, size_t));
static U_CHAR *skip_paren_group PROTO((FILE_BUF *));
/* Last arg to output_line_directive. */
struct argdata;
static char *macarg PROTO((struct argdata *, int));
-static U_CHAR *macarg1 PROTO((U_CHAR *, U_CHAR *, int *, int *, int *, int));
+static U_CHAR *macarg1 PROTO((U_CHAR *, U_CHAR *, struct hashnode *, int *, int *, int *, int));
static int discard_comments PROTO((U_CHAR *, int, int));
static int change_newlines PROTO((U_CHAR *, int));
-char *my_strerror PROTO((int));
+static char *my_strerror PROTO((int));
void error PRINTF_PROTO_1((char *, ...));
static void verror PROTO((char *, va_list));
static void error_from_errno PROTO((char *));
static void warning_with_line PRINTF_PROTO_2((int, char *, ...));
void pedwarn PRINTF_PROTO_1((char *, ...));
void pedwarn_with_line PRINTF_PROTO_2((int, char *, ...));
-static void pedwarn_with_file_and_line PRINTF_PROTO_3((char *, int, char *, ...));
+static void pedwarn_with_file_and_line PRINTF_PROTO_4((char *, size_t, int, char *, ...));
static void print_containing_files PROTO((void));
static void initialize_char_syntax PROTO((void));
static void initialize_builtins PROTO((FILE_BUF *, FILE_BUF *));
-static void make_definition PROTO((char *, FILE_BUF *));
+static void make_definition PROTO((char *));
static void make_undef PROTO((char *, FILE_BUF *));
static void make_assertion PROTO((char *, char *));
static struct file_name_list *new_include_prefix PROTO((struct file_name_list *, char *, char *, char *));
static void append_include_chain PROTO((struct file_name_list *, struct file_name_list *));
+static int quote_string_for_make PROTO((char *, char *));
static void deps_output PROTO((char *, int));
static void fatal PRINTF_PROTO_1((char *, ...)) __attribute__ ((noreturn));
static GENERIC_PTR xrealloc PROTO((GENERIC_PTR, size_t));
static GENERIC_PTR xcalloc PROTO((size_t, size_t));
static char *savestring PROTO((char *));
+static void print_help PROTO((void));
\f
/* Read LEN bytes at PTR from descriptor DESC, for file FILENAME,
retrying if necessary. If MAX_READ_LEN is defined, read at most
len -= written;
}
}
+
+/* Print a string to stderr, with extra handling in case it contains
+ embedded NUL characters. Any present are written as is.
+
+ Using fwrite for this purpose produces undesireable results on VMS
+ when stderr happens to be a record oriented file, such as a batch log
+ file, rather than a stream oriented one. */
+
+static void
+eprint_string (string, length)
+ char *string;
+ size_t length;
+{
+ size_t segment_length;
+
+ do {
+ fprintf(stderr, "%s", string);
+ length -= (segment_length = strlen(string));
+ if (length > 0)
+ {
+ fputc('\0', stderr);
+ length -= 1;
+ /* Advance past the portion which has already been printed. */
+ string += segment_length + 1;
+ }
+ } while (length > 0);
+}
+
+\f
+static void
+print_help ()
+{
+ printf ("Usage: %s [switches] input output\n", progname);
+ printf ("Switches:\n");
+ printf (" -include <file> Include the contents of <file> before other files\n");
+ printf (" -imacros <file> Accept definition of marcos in <file>\n");
+ printf (" -iprefix <path> Specify <path> as a prefix for next two options\n");
+ printf (" -iwithprefix <dir> Add <dir> to the end of the system include paths\n");
+ printf (" -iwithprefixbefore <dir> Add <dir> to the end of the main include paths\n");
+ printf (" -isystem <dir> Add <dir> to the start of the system include paths\n");
+ printf (" -idirafter <dir> Add <dir> to the end of the system include paths\n");
+ printf (" -I <dir> Add <dir> to the end of the main include paths\n");
+ printf (" -nostdinc Do not search the system include directories\n");
+ printf (" -nostdinc++ Do not search the system include directories for C++\n");
+ printf (" -o <file> Put output into <file>\n");
+ printf (" -pedantic Issue all warnings demanded by strict ANSI C\n");
+ printf (" -traditional Follow K&R pre-processor behaviour\n");
+ printf (" -trigraphs Support ANSI C trigraphs\n");
+ printf (" -lang-c Assume that the input sources are in C\n");
+ printf (" -lang-c89 Assume that the input sources are in C89\n");
+ printf (" -lang-c++ Assume that the input sources are in C++\n");
+ printf (" -lang-objc Assume that the input sources are in ObjectiveC\n");
+ printf (" -lang-objc++ Assume that the input sources are in ObjectiveC++\n");
+ printf (" -lang-asm Assume that the input sources are in assembler\n");
+ printf (" -lang-chill Assume that the input sources are in Chill\n");
+ printf (" -+ Allow parsing of C++ style features\n");
+ printf (" -w Inhibit warning messages\n");
+ printf (" -Wtrigraphs Warn if trigraphs are encountered\n");
+ printf (" -Wno-trigraphs Do not warn about trigraphs\n");
+ printf (" -Wcomment{s} Warn if one comment starts inside another\n");
+ printf (" -Wno-comment{s} Do not warn about comments\n");
+ printf (" -Wtraditional Warn if a macro argument is/would be turned into\n");
+ printf (" a string if -tradtional is specified\n");
+ printf (" -Wno-traditional Do not warn about stringification\n");
+ printf (" -Wundef Warn if an undefined macro is used by #if\n");
+ printf (" -Wno-undef Do not warn about testing udefined macros\n");
+ printf (" -Wimport Warn about the use of the #import directive\n");
+ printf (" -Wno-import Do not warn about the use of #import\n");
+ printf (" -Werror Treat all warnings as errors\n");
+ printf (" -Wno-error Do not treat warnings as errors\n");
+ printf (" -Wall Enable all preprocessor warnings\n");
+ printf (" -M Generate make dependencies\n");
+ printf (" -MM As -M, but ignore system header files\n");
+ printf (" -MD As -M, but put output in a .d file\n");
+ printf (" -MMD As -MD, but ignore system header files\n");
+ printf (" -MG Treat missing header file as generated files\n");
+ printf (" -g Include #define and #undef directives in the output\n");
+ printf (" -D<macro> Define a <macro> with string '1' as its value\n");
+ printf (" -D<macro>=<val> Define a <macro> with <val> as its value\n");
+ printf (" -A<question> (<answer>) Assert the <answer> to <question>\n");
+ printf (" -U<macro> Undefine <macro> \n");
+ printf (" -u or -undef Do not predefine any macros\n");
+ printf (" -v Display the version number\n");
+ printf (" -H Print the name of header files as they are used\n");
+ printf (" -C Do not discard comments\n");
+ printf (" -dM Display a list of macro definitions active at end\n");
+ printf (" -dD Preserve macro definitions in output\n");
+ printf (" -dN As -dD except that only the names are preserved\n");
+ printf (" -dI Include #include directives in the output\n");
+ printf (" -ifoutput Describe skipped code blocks in output \n");
+ printf (" -P Do not generate #line directives\n");
+ printf (" -$ Do not include '$' in identifiers\n");
+ printf (" -remap Remap file names when including files.\n");
+ printf (" -h or --help Display this information\n");
+}
\f
int
main (argc, argv)
/* Target-name to write with the dependency information. */
char *deps_target = 0;
-#ifdef RLIMIT_STACK
+#if defined (RLIMIT_STACK) && defined (HAVE_GETRLIMIT) && defined (HAVE_SETRLIMIT)
/* Get rid of any avoidable limit on stack size. */
{
struct rlimit rlim;
rlim.rlim_cur = rlim.rlim_max;
setrlimit (RLIMIT_STACK, &rlim);
}
-#endif /* RLIMIT_STACK defined */
+#endif
#ifdef SIGPIPE
signal (SIGPIPE, pipe_closed);
bzero ((char *) pend_assertions, argc * sizeof (char *));
bzero ((char *) pend_includes, argc * sizeof (char *));
+#ifdef MULTIBYTE_CHARS
+ /* Change to the native locale for multibyte conversions. */
+ setlocale (LC_CTYPE, "");
+ literal_codeset = getenv ("LANG");
+#endif
+
/* Process switches and find input file name. */
for (i = 1; i < argc; i++) {
if (argv[i][0] != '-') {
if (out_fname != NULL)
- fatal ("Usage: %s [switches] input output", argv[0]);
+ {
+ print_help ();
+ fatal ("Too many arguments");
+ }
else if (in_fname != NULL)
out_fname = argv[i];
else
case 'i':
if (!strcmp (argv[i], "-include")) {
+ int temp = i;
+
if (i + 1 == argc)
fatal ("Filename missing after `-include' option");
else
- simplify_filename (pend_includes[i] = argv[++i]);
+ simplify_filename (pend_includes[temp] = argv[++i]);
}
if (!strcmp (argv[i], "-imacros")) {
+ int temp = i;
+
if (i + 1 == argc)
fatal ("Filename missing after `-imacros' option");
else
- simplify_filename (pend_files[i] = argv[++i]);
+ simplify_filename (pend_files[temp] = argv[++i]);
}
if (!strcmp (argv[i], "-iprefix")) {
if (i + 1 == argc)
}
break;
+ case 'f':
+ if (!strcmp (argv[i], "-fleading-underscore"))
+ user_label_prefix = "_";
+ else if (!strcmp (argv[i], "-fno-leading-underscore"))
+ user_label_prefix = "";
+ break;
+
case 'M':
/* The style of the choices here is a bit mixed.
The chosen scheme is a hybrid of keeping all options in one string
debug_output = 1;
break;
+ case '-':
+ if (strcmp (argv[i], "--help") != 0)
+ return i;
+ print_help ();
+ exit (0);
+ break;
+
case 'v':
fprintf (stderr, "GNU CPP version %s", version_string);
#ifdef TARGET_VERSION
no_precomp = 1;
break;
+ case 'r':
+ if (!strcmp (argv[i], "-remap"))
+ remap = 1;
+ break;
+
case 'u':
/* Sun compiler passes undocumented switch "-undef".
Let's assume it means to inhibit the predefined symbols. */
/* Some people say that CPATH should replace the standard include dirs,
but that seems pointless: it comes before them, so it overrides them
anyway. */
- cp = getenv ("CPATH");
+ GET_ENV_PATH_LIST (cp, "CPATH");
if (cp && ! no_standard_includes)
path_include (cp);
if (in_fname == NULL)
in_fname = "";
fp->nominal_fname = fp->fname = in_fname;
+ fp->nominal_fname_len = strlen (in_fname);
fp->lineno = 0;
/* In C++, wchar_t is a distinct basic type, and we can expect
if (!inhibit_predefs) {
char *p = (char *) alloca (strlen (predefs) + 1);
+
+#ifdef VMS
+ struct dsc$descriptor_s lcl_name;
+ struct item_list {
+ unsigned short length; /* input length */
+ unsigned short code; /* item code */
+ unsigned long dptr; /* data ptr */
+ unsigned long lptr; /* output length ptr */
+ };
+
+ unsigned long syi_length;
+ char syi_data[16];
+
+ struct item_list items[] = {
+ { 16, SYI$_VERSION, 0, 0 },
+ { 0, 0, 0, 0 }
+ };
+
+ items[0].dptr = (unsigned long)syi_data;
+ items[0].lptr = (unsigned long)(&syi_length);
+
+ if (SYS$GETSYIW (0, 0, 0, items, NULL, NULL, NULL, NULL) == SS$_NORMAL)
+ {
+ unsigned long vms_version_value;
+ char *vers;
+
+ vers = syi_data;
+ vms_version_value = 0;
+
+ if (*vers == 'V')
+ vers++;
+ if (ISDIGIT (*vers))
+ {
+ vms_version_value = (*vers - '0') * 10000000;
+ }
+ vers++;
+ if (*vers == '.')
+ {
+ vers++;
+ if (ISDIGIT (*vers))
+ {
+ vms_version_value += (*vers - '0') * 100000;
+ }
+ }
+
+ if (vms_version_value > 0)
+ {
+ char versbuf[32];
+
+ sprintf (versbuf, "__VMS_VER=%08ld", vms_version_value);
+ if (debug_output)
+ output_line_directive (fp, &outbuf, 0, same_file);
+ make_definition (versbuf);
+ }
+ }
+#endif
+
strcpy (p, predefs);
while (*p) {
char *q;
*p++= 0;
if (debug_output)
output_line_directive (fp, &outbuf, 0, same_file);
- make_definition (q, &outbuf);
+ make_definition (q);
while (*p == ' ' || *p == '\t')
p++;
} else if (p[0] == '-' && p[1] == 'A') {
if (pend_defs[i]) {
if (debug_output)
output_line_directive (fp, &outbuf, 0, same_file);
- make_definition (pend_defs[i], &outbuf);
+ make_definition (pend_defs[i]);
}
if (pend_assertions[i])
make_assertion (pend_assertion_options[i], pend_assertions[i]);
switch ((objc << 1) + cplusplus)
{
case 0:
- epath = getenv ("C_INCLUDE_PATH");
+ GET_ENV_PATH_LIST (epath, "C_INCLUDE_PATH");
break;
case 1:
- epath = getenv ("CPLUS_INCLUDE_PATH");
+ GET_ENV_PATH_LIST (epath, "CPLUS_INCLUDE_PATH");
break;
case 2:
- epath = getenv ("OBJC_INCLUDE_PATH");
+ GET_ENV_PATH_LIST (epath, "OBJC_INCLUDE_PATH");
break;
case 3:
- epath = getenv ("OBJCPLUS_INCLUDE_PATH");
+ GET_ENV_PATH_LIST (epath, "OBJCPLUS_INCLUDE_PATH");
break;
}
/* If the environment var for this language is set,
if (fstat (f, &st) != 0)
pfatal_with_name (in_fname);
fp->nominal_fname = fp->fname = in_fname;
+ fp->nominal_fname_len = strlen (in_fname);
fp->lineno = 1;
fp->system_header_p = 0;
/* JF all this is mine about reading pipes and ttys */
} else {
/* Read a file whose size we can determine in advance.
For the sake of VMS, st.st_size is just an upper bound. */
- fp->buf = (U_CHAR *) xmalloc (st.st_size + 2);
- fp->length = safe_read (f, (char *) fp->buf, st.st_size);
+ size_t s = (size_t) st.st_size;
+ if (s != st.st_size || s + 2 < s)
+ memory_full ();
+ fp->buf = (U_CHAR *) xmalloc (s + 2);
+ fp->length = safe_read (f, (char *) fp->buf, s);
if (fp->length < 0) goto perror;
}
fp->bufp = fp->buf;
if ((linsize >= 7) && !bcmp (ibp, "VARARGS", 7)) {
*cmdlen = 7;
ibp += 7; linsize -= 7;
- if ((linsize == 0) || ! isdigit (*ibp)) return "VARARGS";
+ if ((linsize == 0) || ! ISDIGIT (*ibp)) return "VARARGS";
/* OK, read a number */
- for (numptr = *argstart = ibp; (numptr < limit) && isdigit (*numptr);
+ for (numptr = *argstart = ibp; (numptr < limit) && ISDIGIT (*numptr);
numptr++);
*arglen = numptr - *argstart;
return "VARARGS";
bp += 2;
else if (*bp == '/' && bp[1] == '*') {
bp += 2;
- while (!(*bp == '*' && bp[1] == '/'))
- bp++;
- bp += 2;
+ while (1)
+ {
+ if (*bp == '*')
+ {
+ if (bp[1] == '/')
+ {
+ bp += 2;
+ break;
+ }
+ }
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ length = local_mblen (bp, limit - bp);
+ if (length > 1)
+ bp += (length - 1);
+#endif
+ }
+ bp++;
+ }
}
/* There is no point in trying to deal with C++ // comments here,
because if there is one, then this # must be part of the
/* Handle any pending identifier;
but the L in L'...' or L"..." is not an identifier. */
- if (ident_length
- && ! (ident_length == 1 && hash == HASHSTEP (0, 'L')))
- goto specialchar;
+ if (ident_length) {
+ if (! (ident_length == 1 && hash == HASHSTEP (0, 'L')))
+ goto specialchar;
+ ident_length = hash = 0;
+ }
start_line = ip->lineno;
if (!traditional) {
error_with_line (line_for_error (start_line),
"unterminated string or character constant");
- error_with_line (multiline_string_line,
- "possible real start of unterminated constant");
- multiline_string_line = 0;
+ if (multiline_string_line) {
+ error_with_line (multiline_string_line,
+ "possible real start of unterminated constant");
+ multiline_string_line = 0;
+ }
}
break;
}
break;
case '\\':
- if (ibp >= limit)
- break;
if (*ibp == '\n') {
- /* Backslash newline is replaced by nothing at all,
- but keep the line counts correct. */
- --obp;
+ /* Backslash newline is replaced by nothing at all, but
+ keep the line counts correct. But if we are reading
+ from a macro, keep the backslash newline, since backslash
+ newlines have already been processed. */
+ if (ip->macro)
+ *obp++ = '\n';
+ else
+ --obp;
++ibp;
++ip->lineno;
} else {
/* ANSI stupidly requires that in \\ the second \
is *not* prevented from combining with a newline. */
- while (*ibp == '\\' && ibp[1] == '\n') {
- ibp += 2;
- ++ip->lineno;
+ if (!ip->macro) {
+ while (*ibp == '\\' && ibp[1] == '\n') {
+ ibp += 2;
+ ++ip->lineno;
+ }
}
*obp++ = *ibp++;
}
if (ibp[-1] == c)
goto while2end;
break;
+#ifdef MULTIBYTE_CHARS
+ default:
+ {
+ int length;
+ --ibp;
+ length = local_mblen (ibp, limit - ibp);
+ if (length > 0)
+ {
+ --obp;
+ bcopy (ibp, obp, length);
+ obp += length;
+ ibp += length;
+ }
+ else
+ ++ibp;
+ }
+ break;
+#endif
}
}
while2end:
break;
case '/':
+ if (ip->macro != 0)
+ goto randomchar;
if (*ibp == '\\' && ibp[1] == '\n')
newline_fix (ibp);
-
if (*ibp != '*'
&& !(cplusplus_comments && *ibp == '/'))
goto randomchar;
- if (ip->macro != 0)
- goto randomchar;
if (ident_length)
goto specialchar;
U_CHAR *before_bp = ibp;
while (++ibp < limit) {
- if (*ibp == '\n') {
- if (ibp[-1] != '\\') {
+ if (*ibp == '\n')
+ {
if (put_out_comments) {
bcopy ((char *) before_bp, (char *) obp, ibp - before_bp);
obp += ibp - before_bp;
}
break;
}
- if (warn_comments)
- warning ("multiline `//' comment");
- ++ip->lineno;
- /* Copy the newline into the output buffer, in order to
- avoid the pain of a #line every time a multiline comment
- is seen. */
- if (!put_out_comments)
- *obp++ = '\n';
- ++op->lineno;
- }
+ if (*ibp == '\\')
+ {
+ if (ibp + 1 < limit && ibp[1] == '\n')
+ {
+ if (warn_comments)
+ warning ("multiline `//' comment");
+ ++ip->lineno;
+ /* Copy the newline into the output buffer, in order to
+ avoid the pain of a #line every time a multiline comment
+ is seen. */
+ if (!put_out_comments)
+ *obp++ = '\n';
+ ++op->lineno;
+ ++ibp;
+ }
+ }
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ length = local_mblen (ibp, limit - ibp);
+ if (length > 1)
+ ibp += (length - 1);
+#endif
+ }
}
break;
}
goto limit_reached;
}
break;
+#ifdef MULTIBYTE_CHARS
+ default:
+ {
+ int length;
+ length = local_mblen (ibp, limit - ibp);
+ if (length > 1)
+ ibp += (length - 1);
+ }
+ break;
+#endif
}
}
comment_end:
if (ident_length == 0) {
for (;;) {
- while (ibp[0] == '\\' && ibp[1] == '\n') {
- ++ip->lineno;
- ibp += 2;
+ if (!ip->macro) {
+ while (ibp[0] == '\\' && ibp[1] == '\n') {
+ ++ip->lineno;
+ ibp += 2;
+ }
}
c = *ibp++;
if (!is_idchar[c] && c != '.') {
/* A sign can be part of a preprocessing number
if it follows an `e' or `p'. */
if (c == 'e' || c == 'E' || c == 'p' || c == 'P') {
- while (ibp[0] == '\\' && ibp[1] == '\n') {
- ++ip->lineno;
- ibp += 2;
+ if (!ip->macro) {
+ while (ibp[0] == '\\' && ibp[1] == '\n') {
+ ++ip->lineno;
+ ibp += 2;
+ }
}
if (*ibp == '+' || *ibp == '-') {
*obp++ = *ibp++;
old_iln = ip->lineno;
old_oln = op->lineno;
}
- /* A comment: copy it unchanged or discard it. */
- else if (*ibp == '/' && ibp[1] == '*') {
- if (put_out_comments) {
- *obp++ = '/';
- *obp++ = '*';
- } else if (! traditional) {
- *obp++ = ' ';
- }
- ibp += 2;
- while (ibp + 1 != limit
- && !(ibp[0] == '*' && ibp[1] == '/')) {
- /* We need not worry about newline-marks,
- since they are never found in comments. */
- if (*ibp == '\n') {
- /* Newline in a file. Count it. */
- ++ip->lineno;
- ++op->lineno;
- }
- if (put_out_comments)
- *obp++ = *ibp++;
- else
- ibp++;
- }
- ibp += 2;
- if (put_out_comments) {
- *obp++ = '*';
- *obp++ = '/';
- }
- }
else if (is_space[*ibp]) {
*obp++ = *ibp++;
if (ibp[-1] == '\n') {
}
}
}
+ else if (ip->macro)
+ break;
+ else if (*ibp == '/') {
+ /* If a comment, copy it unchanged or discard it. */
+ if (ibp[1] == '\\' && ibp[2] == '\n')
+ newline_fix (ibp + 1);
+ if (ibp[1] == '*') {
+ if (put_out_comments) {
+ *obp++ = '/';
+ *obp++ = '*';
+ } else if (! traditional) {
+ *obp++ = ' ';
+ }
+ for (ibp += 2; ibp < limit; ibp++) {
+ /* We need not worry about newline-marks,
+ since they are never found in comments. */
+ if (ibp[0] == '*') {
+ if (ibp[1] == '\\' && ibp[2] == '\n')
+ newline_fix (ibp + 1);
+ if (ibp[1] == '/') {
+ ibp += 2;
+ if (put_out_comments) {
+ *obp++ = '*';
+ *obp++ = '/';
+ }
+ break;
+ }
+ }
+ else if (*ibp == '\n') {
+ /* Newline in a file. Count it. */
+ ++ip->lineno;
+ ++op->lineno;
+ }
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ length = local_mblen (ibp, limit - ibp);
+ if (length > 1)
+ {
+ if (put_out_comments)
+ {
+ bcopy (ibp, obp, length - 1);
+ obp += length - 1;
+ }
+ ibp += (length - 1);
+ }
+#endif
+ }
+ if (put_out_comments)
+ *obp++ = *ibp;
+ }
+ } else if (ibp[1] == '/' && cplusplus_comments) {
+ if (put_out_comments) {
+ *obp++ = '/';
+ *obp++ = '/';
+ } else if (! traditional) {
+ *obp++ = ' ';
+ }
+ for (ibp += 2; ; ibp++)
+ {
+ if (*ibp == '\n')
+ break;
+ if (*ibp == '\\' && ibp[1] == '\n')
+ {
+ if (put_out_comments)
+ *obp++ = *ibp++;
+ }
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ length = local_mblen (ibp, limit - ibp);
+ if (length > 1)
+ {
+ if (put_out_comments)
+ {
+ bcopy (ibp, obp, length - 1);
+ obp += length - 1;
+ }
+ ibp += (length - 1);
+ }
+#endif
+ }
+ if (put_out_comments)
+ *obp++ = *ibp;
+ }
+ } else
+ break;
+ }
+ else if (ibp[0] == '\\' && ibp[1] == '\n') {
+ ibp += 2;
+ ++ip->lineno;
+ }
else break;
}
if (*ibp != '(') {
ip = &instack[indepth];
ip->fname = 0;
ip->nominal_fname = 0;
+ ip->nominal_fname_len = 0;
ip->inc = 0;
ip->system_header_p = 0;
ip->macro = 0;
if (*bp != ' ' && *bp != '\t' && pedantic)
pedwarn ("%s in preprocessing directive", char_name[*bp]);
bp++;
- } else if (*bp == '/' && (bp[1] == '*'
- || (cplusplus_comments && bp[1] == '/'))) {
+ } else if (*bp == '/') {
+ if (bp[1] == '\\' && bp[2] == '\n')
+ newline_fix (bp + 1);
+ if (! (bp[1] == '*' || (cplusplus_comments && bp[1] == '/')))
+ break;
ip->bufp = bp + 2;
skip_to_end_of_comment (ip, &ip->lineno, 0);
bp = ip->bufp;
}
break;
+ case '"':
+ /* "..." is special for #include. */
+ if (IS_INCLUDE_DIRECTIVE_TYPE (kt->type)) {
+ while (bp < limit && *bp != '\n') {
+ if (*bp == '"') {
+ bp++;
+ break;
+ }
+ if (*bp == '\\' && bp[1] == '\n') {
+ ip->lineno++;
+ copy_directive = 1;
+ bp++;
+ }
+ bp++;
+ }
+ break;
+ }
+ /* Fall through. */
case '\'':
- case '\"':
bp = skip_quoted_string (bp - 1, limit, ip->lineno, &ip->lineno, ©_directive, &unterminated);
/* Don't bother calling the directive if we already got an error
message due to unterminated string. Skip everything and pretend
= skip_quoted_string (xp - 1, bp, ip->lineno,
NULL_PTR, NULL_PTR, NULL_PTR);
while (xp != bp1)
- if (*xp == '\\') {
- if (*++xp != '\n')
- *cp++ = '\\';
- else
- xp++;
- } else
- *cp++ = *xp++;
+ *cp++ = *xp++;
}
break;
directives through. */
if (!no_output && already_output == 0
- && (kt->type == T_DEFINE ? dump_names <= dump_macros
+ && (kt->type == T_DEFINE ? (int) dump_names <= (int) dump_macros
: IS_INCLUDE_DIRECTIVE_TYPE (kt->type) ? dump_includes
: kt->type == T_PRAGMA)) {
int len;
case T_FILE:
case T_BASE_FILE:
{
- char *string;
- if (hp->type == T_FILE)
- string = ip->nominal_fname;
- else
- string = instack[0].nominal_fname;
+ FILE_BUF *p = hp->type == T_FILE ? ip : &instack[0];
+ char *string = p->nominal_fname;
if (string)
{
- buf = (char *) alloca (3 + 4 * strlen (string));
- quote_string (buf, string);
+ size_t string_len = p->nominal_fname_len;
+ buf = (char *) alloca (3 + 4 * string_len);
+ quote_string (buf, string, string_len);
}
else
buf = "\"\"";
break;
case T_USER_LABEL_PREFIX_TYPE:
- buf = USER_LABEL_PREFIX;
+ buf = user_label_prefix;
break;
case T_REGISTER_PREFIX_TYPE:
FILE_BUF *fp;
/* Copy the operand text, concatenating the strings. */
{
- while (fin != limit) {
- while (fin != limit && *fin != '\"')
- *fend++ = *fin++;
- fin++;
+ for (;;) {
+ for (;;) {
+ if (fin == limit)
+ goto invalid_include_file_name;
+ *fend = *fin++;
+ if (*fend == '"')
+ break;
+ fend++;
+ }
if (fin == limit)
break;
/* If not at the end, there had better be another string. */
/* Found a named file. Figure out dir of the file,
and put it in front of the search list. */
dsp = ((struct file_name_list *)
- alloca (sizeof (struct file_name_list) + strlen (nam)));
+ alloca (sizeof (struct file_name_list)
+ + fp->nominal_fname_len));
strcpy (dsp->fname, nam);
simplify_filename (dsp->fname);
nam = base_name (dsp->fname);
*nam = 0;
+#ifdef VMS
+ /* for hack_vms_include_specification(), a local
+ dir specification must start with "./" on VMS. */
+ if (nam == dsp->fname)
+ {
+ *nam++ = '.';
+ *nam++ = '/';
+ *nam = 0;
+ }
+#endif
/* But for efficiency's sake, do not insert the dir
if it matches the search list's first dir. */
dsp->next = search_start;
* code from case '<' is repeated here) and generates a warning.
* (Note: macro expansion of `xyz' takes precedence.)
*/
- if (retried && isalpha(*(U_CHAR *) (--fbeg))) {
- while (fin != limit && (!isspace(*fin)))
+ /* Note: The argument of ISALPHA() can be evaluated twice, so do
+ the pre-decrement outside of the macro. */
+ if (retried && (--fin, ISALPHA(*(U_CHAR *) (fin)))) {
+ while (fin != limit && (!ISSPACE(*fin)))
*fend++ = *fin++;
warning ("VAX-C-style include specification found, use '#include <filename.h>' !");
vaxc_include = 1;
#endif
fail:
- if (retried) {
- error ("`#%s' expects \"FILENAME\" or <FILENAME>", keyword->name);
- return 0;
- } else {
+ if (! retried) {
/* Expand buffer and then remove any newline markers.
We can't just tell expand_to_temp_buffer to omit the markers,
since it would put extra spaces in include file names. */
FILE_BUF trybuf;
U_CHAR *src;
+ int errors_before_expansion = errors;
trybuf = expand_to_temp_buffer (buf, limit, 1, 0);
+ if (errors != errors_before_expansion) {
+ free (trybuf.buf);
+ goto invalid_include_file_name;
+ }
src = trybuf.buf;
buf = (U_CHAR *) alloca (trybuf.bufp - trybuf.buf + 1);
limit = buf;
}
*limit = 0;
free (trybuf.buf);
- retried++;
+ retried = 1;
goto get_filename;
}
+
+ invalid_include_file_name:
+ error ("`#%s' expects \"FILENAME\" or <FILENAME>", keyword->name);
+ return 0;
}
/* For #include_next, skip in the search path
}
}
- strcpy (fname, searchptr->fname);
- strcat (fname, fbeg);
#ifdef VMS
/* Change this 1/2 Unix 1/2 VMS file specification into a
full VMS file specification */
- if (searchptr->fname[0]) {
- /* Fix up the filename */
- hack_vms_include_specification (fname, vaxc_include);
- } else {
- /* This is a normal VMS filespec, so use it unchanged. */
- strcpy (fname, fbeg);
- /* if it's '#include filename', add the missing .h */
- if (vaxc_include && index(fname,'.')==NULL) {
- strcat (fname, ".h");
+ if (searchptr->fname[0])
+ {
+ strcpy (fname, searchptr->fname);
+ if (fname[strlen (fname) - 1] == ':')
+ {
+ char *slashp;
+ slashp = strchr (fbeg, '/');
+
+ /* start at root-dir of logical device if no path given. */
+ if (slashp == 0)
+ strcat (fname, "[000000]");
+ }
+ strcat (fname, fbeg);
+
+ /* Fix up the filename */
+ hack_vms_include_specification (fname, vaxc_include);
}
- }
-#endif /* VMS */
- f = open_include_file (fname, searchptr, importing, &inc);
- if (f != -1) {
- if (bypass_slot && searchptr != first_bracket_include) {
+ else
+ {
+ /* This is a normal VMS filespec, so use it unchanged. */
+ strcpy (fname, fbeg);
+ /* if it's '#include filename', add the missing .h */
+ if (vaxc_include && index(fname,'.')==NULL)
+ strcat (fname, ".h");
+ }
+#else
+ strcpy (fname, searchptr->fname);
+ strcat (fname, fbeg);
+#endif /* VMS */
+ f = open_include_file (fname, searchptr, importing, &inc);
+ if (f != -1) {
+ if (bypass_slot && searchptr != first_bracket_include) {
/* This is the first time we found this include file,
and we found it after first_bracket_include.
Record its location so that we can bypass to here next time. */
if (pcfbuf) {
pcfname = xmalloc (strlen (pcftry) + 1);
strcpy (pcfname, pcftry);
- pcfinclude ((U_CHAR *) pcfbuf, (U_CHAR *) pcfbuflimit,
- (U_CHAR *) fname, op);
+ pcfinclude ((U_CHAR *) pcfbuf, (U_CHAR *) fname, op);
}
else
finclude (f, inc, op, is_system_include (fname), searchptr);
char *s = fname;
char *p;
#if defined (__MSDOS__) || defined (_WIN32)
- if (isalpha (s[0]) && s[1] == ':') s += 2;
+ if (ISALPHA (s[0]) && s[1] == ':') s += 2;
#endif
#ifdef VMS
if ((p = rindex (s, ':'))) s = p + 1; /* Skip device. */
char *filename;
{
#if defined (__MSDOS__) || (defined (_WIN32) && !defined (__CYGWIN32__))
- if (isalpha (filename[0]) && filename[1] == ':') filename += 2;
+ if (ISALPHA (filename[0]) && filename[1] == ':') filename += 2;
#endif
#if defined (__CYGWIN32__)
/* At present, any path that begins with a drive spec is absolute. */
- if (isalpha (filename[0]) && filename[1] == ':') return 1;
+ if (ISALPHA (filename[0]) && filename[1] == ':') return 1;
+#endif
+#ifdef VMS
+ if (index (filename, ':') != 0) return 1;
#endif
if (filename[0] == '/') return 1;
#ifdef DIR_SEPARATOR
Do only the simplifications allowed by Posix.
It is OK to miss simplifications on non-Posix hosts,
- since this merely leads to suboptimial results. */
+ since this merely leads to suboptimal results. */
static size_t
simplify_filename (filename)
to0 = to;
for (;;) {
+#ifndef VMS
if (from[0] == '.' && from[1] == '/')
from += 2;
- else {
+ else
+#endif
+ {
/* Copy this component and trailing /, if any. */
while ((*to++ = *from++) != '/') {
if (!to[-1]) {
U_CHAR *importing;
struct include_file **pinc;
{
- char *fname = remap_include_file (filename, searchptr);
+ char *fname = remap ? remap_include_file (filename, searchptr) : filename;
int fd = -2;
/* Look up FNAME in include_hashtab. */
fd = open (fname, O_RDONLY, 0);
if (fd < 0)
- return fd;
+ {
+#ifdef VMS
+ /* if #include <dir/file> fails, try again with hacked spec. */
+ if (!hack_vms_include_specification (fname, 0))
+ return fd;
+ fd = open (fname, O_RDONLY, 0);
+ if (fd < 0)
+#endif
+ return fd;
+ }
if (!inc) {
/* FNAME was not in include_hashtab; insert a new entry. */
return fd;
}
-/* Return the remapped name of the the include file FILENAME.
+/* Return the remapped name of the include file FILENAME.
SEARCHPTR is the directory being tried from the include file path. */
static char *
fp = &instack[indepth + 1];
bzero ((char *) fp, sizeof (FILE_BUF));
fp->nominal_fname = fp->fname = fname;
+ fp->nominal_fname_len = strlen (fname);
fp->inc = inc;
fp->length = 0;
fp->lineno = 1;
fp->dir = dirptr;
if (S_ISREG (inc->st.st_mode)) {
- fp->buf = (U_CHAR *) xmalloc (inc->st.st_size + 2);
+ size_t s = (size_t) inc->st.st_size;
+ if (s != inc->st.st_size || s + 2 < s)
+ memory_full ();
+ fp->buf = (U_CHAR *) xmalloc (s + 2);
fp->bufp = fp->buf;
- /* Read the file contents, knowing that inc->st.st_size is an upper bound
+ /* Read the file contents, knowing that s is an upper bound
on the number of bytes we can read. */
- fp->length = safe_read (f, (char *) fp->buf, inc->st.st_size);
+ fp->length = safe_read (f, (char *) fp->buf, s);
if (fp->length < 0) goto nope;
}
else if (S_ISDIR (inc->st.st_mode)) {
check_precompiled (pcf, st, fname, limit)
int pcf;
struct stat *st;
- char *fname;
+ char *fname ATTRIBUTE_UNUSED;
char **limit;
{
int length = 0;
if (S_ISREG (st->st_mode))
{
- buf = xmalloc (st->st_size + 2);
- length = safe_read (pcf, buf, st->st_size);
+ size_t s = (size_t) st->st_size;
+ if (s != st->st_size || s + 2 < s)
+ memory_full ();
+ buf = xmalloc (s + 2);
+ length = safe_read (pcf, buf, s);
if (length < 0)
goto nope;
}
in. OP is the main output buffer. */
static void
-pcfinclude (buf, limit, name, op)
- U_CHAR *buf, *limit, *name;
+pcfinclude (buf, name, op)
+ U_CHAR *buf, *name;
FILE_BUF *op;
{
FILE_BUF tmpbuf;
line_directive_len *= 2);
sprintf (line_directive, "\n# %d ", next_string->lineno);
strcpy (quote_string (line_directive + strlen (line_directive),
- (char *) next_string->filename),
+ (char *) next_string->filename,
+ strlen ((char *) next_string->filename)),
"\n");
safe_write (fileno (stdout), line_directive, strlen (line_directive));
safe_write (fileno (stdout),
int sym_length; /* and how long it is */
int line = instack[indepth].lineno;
char *file = instack[indepth].nominal_fname;
+ size_t file_len = instack[indepth].nominal_fname_len;
int rest_args = 0;
DEFINITION *defn;
while (is_idchar[*bp]) {
bp++;
/* do we have a "special" rest-args extension here? */
- if (limit - bp > REST_EXTENSION_LENGTH
+ if (limit - bp > (long) REST_EXTENSION_LENGTH
&& bcmp (rest_extension, bp, REST_EXTENSION_LENGTH) == 0) {
+ if (pedantic && !instack[indepth].system_header_p)
+ pedwarn ("ANSI C does not allow macro with variable arguments");
rest_args = 1;
temp->rest_args = 1;
break;
defn->line = line;
defn->file = file;
+ defn->file_len = file_len;
/* OP is null if this is a predefinition */
defn->predefined = !op;
pedwarn ("`%.*s' redefined", mdef.symlen, mdef.symnam);
if (hp->type == T_MACRO)
- pedwarn_with_file_and_line (hp->value.defn->file, hp->value.defn->line,
+ pedwarn_with_file_and_line (hp->value.defn->file,
+ hp->value.defn->file_len,
+ hp->value.defn->line,
"this is the location of the previous definition");
}
/* Replace the old definition. */
if (d1->nargs != d2->nargs)
return 1;
- if (strcmp ((char *)d1->args.argnames, (char *)d2->args.argnames))
+ if (pedantic
+ && strcmp ((char *)d1->args.argnames, (char *)d2->args.argnames))
return 1;
for (a1 = d1->pattern, a2 = d2->pattern; a1 && a2;
a1 = a1->next, a2 = a2->next) {
}
} else {
/* In -traditional mode, recognize arguments inside strings and
- and character constants, and ignore special properties of #.
+ character constants, and ignore special properties of #.
Arguments inside strings are considered "stringified", but no
extra quote marks are supplied. */
switch (c) {
}
}
+#ifdef MULTIBYTE_CHARS
+ /* Handle multibyte characters inside string and character literals. */
+ if (expected_delimiter != '\0')
+ {
+ int length;
+ --p;
+ length = local_mblen (p, limit - p);
+ if (length > 1)
+ {
+ --exp_p;
+ bcopy (p, exp_p, length);
+ p += length;
+ exp_p += length;
+ continue;
+ }
+ ++p;
+ }
+#endif
+
/* Handle the start of a symbol. */
if (is_idchar[c] && nargs > 0) {
U_CHAR *id_beg = p - 1;
static int
do_assert (buf, limit, op, keyword)
U_CHAR *buf, *limit;
- FILE_BUF *op;
- struct directive *keyword;
+ FILE_BUF *op ATTRIBUTE_UNUSED;
+ struct directive *keyword ATTRIBUTE_UNUSED;
{
U_CHAR *bp; /* temp ptr into input buffer */
U_CHAR *symname; /* remember where symbol name starts */
static int
do_unassert (buf, limit, op, keyword)
U_CHAR *buf, *limit;
- FILE_BUF *op;
- struct directive *keyword;
+ FILE_BUF *op ATTRIBUTE_UNUSED;
+ struct directive *keyword ATTRIBUTE_UNUSED;
{
U_CHAR *bp; /* temp ptr into input buffer */
U_CHAR *symname; /* remember where symbol name starts */
return hp;
}
-/* Find the most recent hash node for name name (ending with first
+/* Find the most recent hash node for name "name" (ending with first
non-identifier char) installed by install
If LEN is >= 0, it is the length of the name.
do_line (buf, limit, op, keyword)
U_CHAR *buf, *limit;
FILE_BUF *op;
- struct directive *keyword;
+ struct directive *keyword ATTRIBUTE_UNUSED;
{
register U_CHAR *bp;
FILE_BUF *ip = &instack[indepth];
bp = tem.buf;
SKIP_WHITE_SPACE (bp);
- if (!isdigit (*bp)) {
+ if (!ISDIGIT (*bp)) {
error ("invalid format `#line' directive");
return 0;
}
pedwarn ("line number out of range in `#line' directive");
/* skip over the line number. */
- while (isdigit (*bp))
+ while (ISDIGIT (*bp))
bp++;
#if 0 /* #line 10"foo.c" is supposed to be allowed. */
break;
case '\"':
- p[-1] = 0;
+ *--p = 0;
goto fname_done;
}
fname_done:
if (hp->length == fname_length &&
bcmp (hp->value.cpval, fname, fname_length) == 0) {
ip->nominal_fname = hp->value.cpval;
+ ip->nominal_fname_len = fname_length;
break;
}
if (hp == 0) {
hp->next = *hash_bucket;
*hash_bucket = hp;
- hp->length = fname_length;
ip->nominal_fname = hp->value.cpval = ((char *) hp) + sizeof (HASHNODE);
- bcopy (fname, hp->value.cpval, fname_length);
+ ip->nominal_fname_len = hp->length = fname_length;
+ bcopy (fname, hp->value.cpval, fname_length + 1);
}
} else if (*bp) {
error ("invalid format `#line' directive");
static int
do_error (buf, limit, op, keyword)
U_CHAR *buf, *limit;
- FILE_BUF *op;
- struct directive *keyword;
+ FILE_BUF *op ATTRIBUTE_UNUSED;
+ struct directive *keyword ATTRIBUTE_UNUSED;
{
int length = limit - buf;
U_CHAR *copy = (U_CHAR *) alloca (length + 1);
static int
do_warning (buf, limit, op, keyword)
U_CHAR *buf, *limit;
- FILE_BUF *op;
- struct directive *keyword;
+ FILE_BUF *op ATTRIBUTE_UNUSED;
+ struct directive *keyword ATTRIBUTE_UNUSED;
{
int length = limit - buf;
U_CHAR *copy = (U_CHAR *) alloca (length + 1);
bcopy ((char *) buf, (char *) copy, length);
copy[length] = 0;
SKIP_WHITE_SPACE (copy);
+
+ if (pedantic && !instack[indepth].system_header_p)
+ pedwarn ("ANSI C does not allow `#warning'");
+
/* Use `pedwarn' not `warning', because #warning isn't in the C Standard;
if -pedantic-errors is given, #warning should cause an error. */
pedwarn ("#warning %s", copy);
do_ident (buf, limit, op, keyword)
U_CHAR *buf, *limit;
FILE_BUF *op;
- struct directive *keyword;
+ struct directive *keyword ATTRIBUTE_UNUSED;
{
FILE_BUF trybuf;
int len;
static int
do_pragma (buf, limit, op, keyword)
- U_CHAR *buf, *limit;
- FILE_BUF *op;
- struct directive *keyword;
+ U_CHAR *buf, *limit ATTRIBUTE_UNUSED;
+ FILE_BUF *op ATTRIBUTE_UNUSED;
+ struct directive *keyword ATTRIBUTE_UNUSED;
{
SKIP_WHITE_SPACE (buf);
if (!strncmp ((char *) buf, "once", 4)) {
static int
do_sccs (buf, limit, op, keyword)
- U_CHAR *buf, *limit;
- FILE_BUF *op;
- struct directive *keyword;
+ U_CHAR *buf ATTRIBUTE_UNUSED, *limit ATTRIBUTE_UNUSED;
+ FILE_BUF *op ATTRIBUTE_UNUSED;
+ struct directive *keyword ATTRIBUTE_UNUSED;
{
if (pedantic)
pedwarn ("ANSI C does not allow `#sccs'");
do_if (buf, limit, op, keyword)
U_CHAR *buf, *limit;
FILE_BUF *op;
- struct directive *keyword;
+ struct directive *keyword ATTRIBUTE_UNUSED;
{
HOST_WIDE_INT value;
FILE_BUF *ip = &instack[indepth];
do_elif (buf, limit, op, keyword)
U_CHAR *buf, *limit;
FILE_BUF *op;
- struct directive *keyword;
+ struct directive *keyword ATTRIBUTE_UNUSED;
{
HOST_WIDE_INT value;
FILE_BUF *ip = &instack[indepth];
if (if_stack->type != T_IF && if_stack->type != T_ELIF) {
error ("`#elif' after `#else'");
fprintf (stderr, " (matches line %d", if_stack->lineno);
- if (if_stack->fname != NULL && ip->fname != NULL
- && strcmp (if_stack->fname, ip->nominal_fname) != 0)
- fprintf (stderr, ", file %s", if_stack->fname);
+ if (! (if_stack->fname_len == ip->nominal_fname_len
+ && !bcmp (if_stack->fname, ip->nominal_fname,
+ if_stack->fname_len))) {
+ fprintf (stderr, ", file ");
+ eprint_string (if_stack->fname, if_stack->fname_len);
+ }
fprintf (stderr, ")\n");
}
if_stack->type = T_ELIF;
delete_macro (save_defined); /* clean up special symbol */
temp_obuf.buf[temp_obuf.length] = '\n';
- value = parse_c_expression ((char *) temp_obuf.buf);
+ value = parse_c_expression ((char *) temp_obuf.buf,
+ warn_undef && !instack[indepth].system_header_p);
free (temp_obuf.buf);
HASHNODE *hp;
if (! traditional) {
- if (isdigit (buf[0]))
+ if (ISDIGIT (buf[0]))
pedwarn ("`#%s' argument starts with a digit", keyword->name);
else if (end != limit)
pedwarn ("garbage at end of `#%s' argument", keyword->name);
temp = (IF_STACK_FRAME *) xcalloc (1, sizeof (IF_STACK_FRAME));
temp->fname = ip->nominal_fname;
+ temp->fname_len = ip->nominal_fname_len;
temp->lineno = ip->lineno;
temp->next = if_stack;
temp->control_macro = control_macro;
/* Save info about where the group starts. */
U_CHAR *beg_of_group = bp;
int beg_lineno = ip->lineno;
+ int skipping_include_directive = 0;
if (output_conditionals && op != 0) {
char *ptr = "#failed\n";
bp = skip_to_end_of_comment (ip, &ip->lineno, 0);
}
break;
+ case '<':
+ if (skipping_include_directive) {
+ while (bp < endb && *bp != '>' && *bp != '\n') {
+ if (*bp == '\\' && bp[1] == '\n') {
+ ip->lineno++;
+ bp++;
+ }
+ bp++;
+ }
+ }
+ break;
case '\"':
+ if (skipping_include_directive) {
+ while (bp < endb && *bp != '\n') {
+ if (*bp == '"') {
+ bp++;
+ break;
+ }
+ if (*bp == '\\' && bp[1] == '\n') {
+ ip->lineno++;
+ bp++;
+ }
+ bp++;
+ }
+ break;
+ }
+ /* Fall through. */
case '\'':
bp = skip_quoted_string (bp - 1, endb, ip->lineno, &ip->lineno,
NULL_PTR, NULL_PTR);
break;
case '\\':
- /* Char after backslash loses its special meaning. */
- if (bp < endb) {
- if (*bp == '\n')
- ++ip->lineno; /* But do update the line-count. */
+ /* Char after backslash loses its special meaning in some cases. */
+ if (*bp == '\n') {
+ ++ip->lineno;
+ bp++;
+ } else if (traditional && bp < endb)
bp++;
- }
break;
case '\n':
++ip->lineno;
beg_of_line = bp;
+ skipping_include_directive = 0;
break;
case '%':
if (beg_of_line == 0 || traditional)
bp += 2;
else if (*bp == '/' && bp[1] == '*') {
bp += 2;
- while (!(*bp == '*' && bp[1] == '/'))
- bp++;
- bp += 2;
+ while (1)
+ {
+ if (*bp == '*')
+ {
+ if (bp[1] == '/')
+ {
+ bp += 2;
+ break;
+ }
+ }
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ length = local_mblen (bp, endb - bp);
+ if (length > 1)
+ bp += (length - 1);
+#endif
+ }
+ bp++;
+ }
}
/* There is no point in trying to deal with C++ // comments here,
because if there is one, then this # must be part of the
else if (*bp == '\\' && bp[1] == '\n')
bp += 2;
else if (*bp == '/') {
+ if (bp[1] == '\\' && bp[2] == '\n')
+ newline_fix (bp + 1);
if (bp[1] == '*') {
for (bp += 2; ; bp++) {
if (*bp == '\n')
else if (*bp == '*') {
if (bp[-1] == '/' && warn_comments)
warning ("`/*' within comment");
+ if (bp[1] == '\\' && bp[2] == '\n')
+ newline_fix (bp + 1);
if (bp[1] == '/')
break;
}
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ length = local_mblen (bp, endb - bp);
+ if (length > 1)
+ bp += (length - 1);
+#endif
+ }
}
bp += 2;
} else if (bp[1] == '/' && cplusplus_comments) {
for (bp += 2; ; bp++) {
- if (*bp == '\n') {
- if (bp[-1] != '\\')
- break;
- if (warn_comments)
- warning ("multiline `//' comment");
- ip->lineno++;
- }
+ if (*bp == '\n')
+ break;
+ if (*bp == '\\' && bp[1] == '\n')
+ {
+ if (warn_comments)
+ warning ("multiline `//' comment");
+ ip->lineno++;
+ bp++;
+ }
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ length = local_mblen (bp, endb - bp);
+ if (length > 1)
+ bp += (length - 1);
+#endif
+ }
}
} else
break;
if_stack = temp;
temp->lineno = ip->lineno;
temp->fname = ip->nominal_fname;
+ temp->fname_len = ip->nominal_fname_len;
temp->type = kt->type;
break;
case T_ELSE:
free (temp);
break;
- default:
+ case T_INCLUDE:
+ case T_INCLUDE_NEXT:
+ case T_IMPORT:
+ skipping_include_directive = 1;
+ break;
+
+ default:
break;
}
break;
do_else (buf, limit, op, keyword)
U_CHAR *buf, *limit;
FILE_BUF *op;
- struct directive *keyword;
+ struct directive *keyword ATTRIBUTE_UNUSED;
{
FILE_BUF *ip = &instack[indepth];
if (if_stack->type != T_IF && if_stack->type != T_ELIF) {
error ("`#else' after `#else'");
fprintf (stderr, " (matches line %d", if_stack->lineno);
- if (strcmp (if_stack->fname, ip->nominal_fname) != 0)
- fprintf (stderr, ", file %s", if_stack->fname);
+ if (! (if_stack->fname_len == ip->nominal_fname_len
+ && !bcmp (if_stack->fname, ip->nominal_fname,
+ if_stack->fname_len))) {
+ fprintf (stderr, ", file ");
+ eprint_string (if_stack->fname, if_stack->fname_len);
+ }
fprintf (stderr, ")\n");
}
if_stack->type = T_ELSE;
do_endif (buf, limit, op, keyword)
U_CHAR *buf, *limit;
FILE_BUF *op;
- struct directive *keyword;
+ struct directive *keyword ATTRIBUTE_UNUSED;
{
if (pedantic) {
SKIP_WHITE_SPACE (buf);
break;
}
}
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ length = local_mblen (p, limit - p);
+ if (length > 1)
+ p += (length - 1);
+#endif
+ }
}
}
else if (cplusplus_comments && p[1] == '/')
}
if (cplusplus_comments && bp[-1] == '/') {
for (; bp < limit; bp++) {
- if (*bp == '\n') {
- if (bp[-1] != '\\')
- break;
- if (!nowarn && warn_comments)
- warning ("multiline `//' comment");
- if (line_counter)
- ++*line_counter;
- if (op)
- ++op->lineno;
- }
+ if (*bp == '\n')
+ break;
+ if (*bp == '\\' && bp + 1 < limit && bp[1] == '\n')
+ {
+ if (!nowarn && warn_comments)
+ warning ("multiline `//' comment");
+ if (line_counter)
+ ++*line_counter;
+ if (op)
+ {
+ ++op->lineno;
+ *op->bufp++ = *bp;
+ }
+ ++bp;
+ }
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ length = local_mblen (bp, limit - bp);
+ if (length > 1)
+ {
+ if (op)
+ {
+ bcopy (bp, op->bufp, length - 1);
+ op->bufp += (length - 1);
+ }
+ bp += (length - 1);
+ }
+#endif
+ }
if (op)
*op->bufp++ = *bp;
}
return bp;
}
break;
+#ifdef MULTIBYTE_CHARS
+ default:
+ {
+ int length;
+ bp--;
+ length = local_mblen (bp, limit - bp);
+ if (length <= 0)
+ length = 1;
+ if (op)
+ {
+ op->bufp--;
+ bcopy (bp, op->bufp, length);
+ op->bufp += length;
+ }
+ bp += length;
+ }
+#endif
}
}
++*count_newlines;
bp += 2;
}
- if (*bp == '\n' && count_newlines) {
+ if (*bp == '\n') {
if (backslash_newlines_p)
*backslash_newlines_p = 1;
- ++*count_newlines;
+ if (count_newlines)
+ ++*count_newlines;
}
bp++;
} else if (c == '\n') {
}
} else if (c == match)
break;
+#ifdef MULTIBYTE_CHARS
+ {
+ int length;
+ --bp;
+ length = local_mblen (bp, limit - bp);
+ if (length <= 0)
+ length = 1;
+ bp += length;
+ }
+#endif
}
return bp;
}
/* Place into DST a quoted string representing the string SRC.
+ SRCLEN is the length of SRC; SRC may contain null bytes.
Return the address of DST's terminating null. */
static char *
-quote_string (dst, src)
+quote_string (dst, src, srclen)
char *dst, *src;
+ size_t srclen;
{
U_CHAR c;
+ char *srclim = src + srclen;
*dst++ = '\"';
- for (;;)
+ while (src != srclim)
switch ((c = *src++))
{
default:
- if (isprint (c))
+ if (ISPRINT (c))
*dst++ = c;
else
{
*dst++ = '\\';
*dst++ = c;
break;
-
- case '\0':
- *dst++ = '\"';
- *dst = '\0';
- return dst;
}
+
+ *dst++ = '\"';
+ *dst = '\0';
+ return dst;
}
/* Skip across a group of balanced parens, starting from IP->bufp.
ip->bufp++;
}
- line_directive_buf = (char *) alloca (4 * strlen (ip->nominal_fname) + 100);
+ line_directive_buf = (char *) alloca (4 * ip->nominal_fname_len + 100);
sprintf (line_directive_buf, "# %d ", ip->lineno);
line_end = quote_string (line_directive_buf + strlen (line_directive_buf),
- ip->nominal_fname);
+ ip->nominal_fname, ip->nominal_fname_len);
if (file_change != same_file) {
*line_end++ = ' ';
*line_end++ = file_change == enter_file ? '1' : '2';
for (; i < arglen; i++) {
c = arg->raw[i];
- /* Special markers Newline Space
- generate nothing for a stringified argument. */
- if (c == '\n' && arg->raw[i+1] != '\n') {
- i++;
- continue;
- }
+ if (! in_string) {
+ /* Special markers Newline Space
+ generate nothing for a stringified argument. */
+ if (c == '\n' && arg->raw[i+1] != '\n') {
+ i++;
+ continue;
+ }
- /* Internal sequences of whitespace are replaced by one space
- except within an string or char token. */
- if (! in_string
- && (c == '\n' ? arg->raw[i+1] == '\n' : is_space[c])) {
- while (1) {
- /* Note that Newline Space does occur within whitespace
- sequences; consider it part of the sequence. */
- if (c == '\n' && is_space[arg->raw[i+1]])
- i += 2;
- else if (c != '\n' && is_space[c])
- i++;
- else break;
- c = arg->raw[i];
+ /* Internal sequences of whitespace are replaced by one space
+ except within an string or char token. */
+ if (c == '\n' ? arg->raw[i+1] == '\n' : is_space[c]) {
+ while (1) {
+ /* Note that Newline Space does occur within whitespace
+ sequences; consider it part of the sequence. */
+ if (c == '\n' && is_space[arg->raw[i+1]])
+ i += 2;
+ else if (c != '\n' && is_space[c])
+ i++;
+ else break;
+ c = arg->raw[i];
+ }
+ i--;
+ c = ' ';
}
- i--;
- c = ' ';
}
if (escaped)
else {
if (c == '\\')
escaped = 1;
- if (in_string) {
+ else if (in_string) {
if (c == in_string)
in_string = 0;
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ length = local_mblen (arg->raw + i, arglen - i);
+ if (length > 1)
+ {
+ bcopy (arg->raw + i, xbuf + totlen, length);
+ i += length - 1;
+ totlen += length;
+ continue;
+ }
+#endif
+ }
} else if (c == '\"' || c == '\'')
in_string = c;
}
/* Escape these chars */
if (c == '\"' || (in_string && c == '\\'))
xbuf[totlen++] = '\\';
- if (isprint (c))
- xbuf[totlen++] = c;
- else {
- sprintf ((char *) &xbuf[totlen], "\\%03o", (unsigned int) c);
- totlen += 4;
- }
+ /* We used to output e.g. \008 for control characters here,
+ but this doesn't conform to the C Standard.
+ Just output the characters as-is. */
+ xbuf[totlen++] = c;
}
if (!traditional)
xbuf[totlen++] = '\"'; /* insert ending quote */
ip2->fname = 0;
ip2->nominal_fname = 0;
+ ip2->nominal_fname_len = 0;
ip2->inc = 0;
/* This may not be exactly correct, but will give much better error
messages for nested macro calls than using a line number of zero. */
/* Try to parse as much of the argument as exists at this
input stack level. */
- U_CHAR *bp = macarg1 (ip->bufp, ip->buf + ip->length,
+ U_CHAR *bp = macarg1 (ip->bufp, ip->buf + ip->length, ip->macro,
&paren, &newlines, &comments, rest_args);
/* If we find the end of the argument at this level,
ip = &instack[--indepth];
newlines = 0;
comments = 0;
- bp = macarg1 (ip->bufp, ip->buf + ip->length, &paren,
+ bp = macarg1 (ip->bufp, ip->buf + ip->length, ip->macro, &paren,
&newlines, &comments, rest_args);
final_start = bufsize;
bufsize += bp - ip->bufp;
#endif
if (c == '\"' || c == '\\') /* escape these chars */
totlen++;
- else if (!isprint (c))
- totlen += 3;
}
argptr->stringified_length = totlen;
}
}
\f
/* Scan text from START (inclusive) up to LIMIT (exclusive),
+ taken from the expansion of MACRO,
counting parens in *DEPTHPTR,
and return if reach LIMIT
or before a `)' that would make *DEPTHPTR negative
Set *COMMENTS to 1 if a comment is seen. */
static U_CHAR *
-macarg1 (start, limit, depthptr, newlines, comments, rest_args)
+macarg1 (start, limit, macro, depthptr, newlines, comments, rest_args)
U_CHAR *start;
register U_CHAR *limit;
+ struct hashnode *macro;
int *depthptr, *newlines, *comments;
int rest_args;
{
break;
case '\\':
/* Traditionally, backslash makes following char not special. */
- if (bp + 1 < limit && traditional)
- {
- bp++;
- /* But count source lines anyway. */
- if (*bp == '\n')
- ++*newlines;
- }
+ if (traditional && bp + 1 < limit && bp[1] != '\n')
+ bp++;
break;
case '\n':
++*newlines;
break;
case '/':
+ if (macro)
+ break;
if (bp[1] == '\\' && bp[2] == '\n')
newline_fix (bp + 1);
if (bp[1] == '*') {
break;
}
}
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ length = local_mblen (bp, limit - bp);
+ if (length > 1)
+ bp += (length - 1);
+#endif
+ }
}
} else if (bp[1] == '/' && cplusplus_comments) {
*comments = 1;
for (bp += 2; bp < limit; bp++) {
if (*bp == '\n') {
++*newlines;
- if (bp[-1] != '\\')
- break;
- if (warn_comments)
- warning ("multiline `//' comment");
+ break;
}
+ if (*bp == '\\' && bp + 1 < limit && bp[1] == '\n')
+ {
+ ++*newlines;
+ if (warn_comments)
+ warning ("multiline `//' comment");
+ ++bp;
+ }
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ length = local_mblen (bp, limit - bp);
+ if (length > 1)
+ bp += (length - 1);
+#endif
+ }
}
}
break;
bp++;
if (*bp == '\n')
++*newlines;
- while (*bp == '\\' && bp[1] == '\n') {
- bp += 2;
+ if (!macro) {
+ while (*bp == '\\' && bp[1] == '\n') {
+ bp += 2;
+ ++*newlines;
+ }
}
} else if (*bp == '\n') {
++*newlines;
if (quotec == '\'')
break;
}
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ length = local_mblen (bp, limit - bp);
+ if (length > 1)
+ bp += (length - 1);
+#endif
+ }
}
}
break;
/* Comments are equivalent to spaces. */
obp[-1] = ' ';
ibp++;
- while (ibp < limit && (*ibp != '\n' || ibp[-1] == '\\'))
- ibp++;
+ while (ibp < limit)
+ {
+ if (*ibp == '\n')
+ break;
+ if (*ibp == '\\' && ibp + 1 < limit && ibp[1] == '\n')
+ ibp++;
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length = local_mblen (ibp, limit - ibp);
+ if (length > 1)
+ ibp += (length - 1);
+#endif
+ }
+ ibp++;
+ }
break;
}
if (ibp[0] != '*' || ibp + 1 >= limit)
obp--;
else
obp[-1] = ' ';
- ibp++;
- while (ibp + 1 < limit) {
- if (ibp[0] == '*'
- && ibp[1] == '\\' && ibp[2] == '\n')
- newline_fix (ibp + 1);
- if (ibp[0] == '*' && ibp[1] == '/')
- break;
- ibp++;
+ while (++ibp < limit) {
+ if (ibp[0] == '*') {
+ if (ibp[1] == '\\' && ibp[2] == '\n')
+ newline_fix (ibp + 1);
+ if (ibp[1] == '/') {
+ ibp += 2;
+ break;
+ }
+ }
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length = local_mblen (ibp, limit - ibp);
+ if (length > 1)
+ ibp += (length - 1);
+#endif
+ }
}
- ibp += 2;
break;
case '\'':
*obp++ = c = *ibp++;
if (c == quotec)
break;
- if (c == '\n' && quotec == '\'')
- break;
- if (c == '\\' && ibp < limit) {
- while (*ibp == '\\' && ibp[1] == '\n')
- ibp += 2;
- *obp++ = *ibp++;
+ if (c == '\n')
+ {
+ if (quotec == '\'')
+ break;
+ }
+ else if (c == '\\') {
+ if (ibp < limit && *ibp == '\n') {
+ ibp++;
+ obp--;
+ } else {
+ while (*ibp == '\\' && ibp[1] == '\n')
+ ibp += 2;
+ if (ibp < limit)
+ *obp++ = *ibp++;
+ }
}
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ ibp--;
+ length = local_mblen (ibp, limit - ibp);
+ if (length > 1)
+ {
+ obp--;
+ bcopy (ibp, obp, length);
+ ibp += length;
+ obp += length;
+ }
+ else
+ ibp++;
+#endif
+ }
}
}
break;
*obp++ = c = *ibp++;
if (c == quotec)
break;
- if (c == '\n' && quotec == '\'')
- break;
+ else if (c == '\\' && ibp < limit && *ibp == '\n')
+ *obp++ = *ibp++;
+ else if (c == '\n')
+ {
+ if (quotec == '\'')
+ break;
+ }
+ else
+ {
+#ifdef MULTIBYTE_CHARS
+ int length;
+ ibp--;
+ length = local_mblen (ibp, limit - ibp);
+ if (length > 1)
+ {
+ obp--;
+ bcopy (ibp, obp, length);
+ ibp += length;
+ obp += length;
+ }
+ else
+ ibp++;
+#endif
+ }
}
}
break;
/* my_strerror - return the descriptive text associated with an
`errno' code. */
-char *
+static char *
my_strerror (errnum)
int errnum;
{
/* error - print error message and increment count of errors. */
void
-error (PRINTF_ALIST (msg))
- PRINTF_DCL (msg)
+error VPROTO ((char * msg, ...))
{
+#ifndef ANSI_PROTOTYPES
+ char * msg;
+#endif
va_list args;
VA_START (args, msg);
+
+#ifndef ANSI_PROTOTYPES
+ msg = va_arg (args, char *);
+#endif
+
verror (msg, args);
va_end (args);
}
break;
}
- if (ip != NULL)
- fprintf (stderr, "%s:%d: ", ip->nominal_fname, ip->lineno);
+ if (ip != NULL) {
+ eprint_string (ip->nominal_fname, ip->nominal_fname_len);
+ fprintf (stderr, ":%d: ", ip->lineno);
+ }
vfprintf (stderr, msg, args);
fprintf (stderr, "\n");
errors++;
error_from_errno (name)
char *name;
{
+ int e = errno;
int i;
FILE_BUF *ip = NULL;
break;
}
- if (ip != NULL)
- fprintf (stderr, "%s:%d: ", ip->nominal_fname, ip->lineno);
+ if (ip != NULL) {
+ eprint_string (ip->nominal_fname, ip->nominal_fname_len);
+ fprintf (stderr, ":%d: ", ip->lineno);
+ }
- fprintf (stderr, "%s: %s\n", name, my_strerror (errno));
+ fprintf (stderr, "%s: %s\n", name, my_strerror (e));
errors++;
}
/* Print error message but don't count it. */
void
-warning (PRINTF_ALIST (msg))
- PRINTF_DCL (msg)
+warning VPROTO ((char * msg, ...))
{
+#ifndef ANSI_PROTOTYPES
+ char * msg;
+#endif
va_list args;
VA_START (args, msg);
+
+#ifndef ANSI_PROTOTYPES
+ msg = va_arg (args, char *);
+#endif
+
vwarning (msg, args);
va_end (args);
}
break;
}
- if (ip != NULL)
- fprintf (stderr, "%s:%d: ", ip->nominal_fname, ip->lineno);
+ if (ip != NULL) {
+ eprint_string (ip->nominal_fname, ip->nominal_fname_len);
+ fprintf (stderr, ":%d: ", ip->lineno);
+ }
fprintf (stderr, "warning: ");
vfprintf (stderr, msg, args);
fprintf (stderr, "\n");
}
static void
-#if defined (__STDC__) && defined (HAVE_VPRINTF)
-error_with_line (int line, PRINTF_ALIST (msg))
-#else
-error_with_line (line, PRINTF_ALIST (msg))
- int line;
- PRINTF_DCL (msg)
-#endif
+error_with_line VPROTO ((int line, char * msg, ...))
{
+#ifndef ANSI_PROTOTYPES
+ int line;
+ char * msg;
+#endif
va_list args;
VA_START (args, msg);
+
+#ifndef ANSI_PROTOTYPES
+ line = va_arg (args, int);
+ msg = va_arg (args, char *);
+#endif
+
verror_with_line (line, msg, args);
va_end (args);
}
break;
}
- if (ip != NULL)
- fprintf (stderr, "%s:%d: ", ip->nominal_fname, line);
+ if (ip != NULL) {
+ eprint_string (ip->nominal_fname, ip->nominal_fname_len);
+ fprintf (stderr, ":%d: ", line);
+ }
vfprintf (stderr, msg, args);
fprintf (stderr, "\n");
errors++;
}
static void
-#if defined (__STDC__) && defined (HAVE_VPRINTF)
-warning_with_line (int line, PRINTF_ALIST (msg))
-#else
-warning_with_line (line, PRINTF_ALIST (msg))
- int line;
- PRINTF_DCL (msg)
-#endif
+warning_with_line VPROTO ((int line, char * msg, ...))
{
+#ifndef ANSI_PROTOTYPES
+ int line;
+ char * msg;
+#endif
va_list args;
VA_START (args, msg);
+
+#ifndef ANSI_PROTOTYPES
+ line = va_arg (args, int);
+ msg = va_arg (args, char *);
+#endif
+
vwarning_with_line (line, msg, args);
va_end (args);
}
break;
}
- if (ip != NULL)
- fprintf (stderr, line ? "%s:%d: " : "%s: ", ip->nominal_fname, line);
+ if (ip != NULL) {
+ eprint_string (ip->nominal_fname, ip->nominal_fname_len);
+ fprintf (stderr, line ? ":%d: " : ": ", line);
+ }
fprintf (stderr, "warning: ");
vfprintf (stderr, msg, args);
fprintf (stderr, "\n");
/* Print an error message and maybe count it. */
void
-pedwarn (PRINTF_ALIST (msg))
- PRINTF_DCL (msg)
+pedwarn VPROTO ((char * msg, ...))
{
+#ifndef ANSI_PROTOTYPES
+ char * msg;
+#endif
va_list args;
VA_START (args, msg);
+
+#ifndef ANSI_PROTOTYPES
+ msg = va_arg (args, char *);
+#endif
+
if (pedantic_errors)
verror (msg, args);
else
}
void
-#if defined (__STDC__) && defined (HAVE_VPRINTF)
-pedwarn_with_line (int line, PRINTF_ALIST (msg))
-#else
-pedwarn_with_line (line, PRINTF_ALIST (msg))
- int line;
- PRINTF_DCL (msg)
-#endif
+pedwarn_with_line VPROTO ((int line, char * msg, ...))
{
+#ifndef ANSI_PROTOTYPES
+ int line;
+ char * msg;
+#endif
va_list args;
VA_START (args, msg);
+
+#ifndef ANSI_PROTOTYPES
+ line = va_arg (args, int);
+ msg = va_arg (args, char *);
+#endif
+
if (pedantic_errors)
verror_with_line (line, msg, args);
else
giving specified file name and line number, not current. */
static void
-#if defined (__STDC__) && defined (HAVE_VPRINTF)
-pedwarn_with_file_and_line (char *file, int line, PRINTF_ALIST (msg))
-#else
-pedwarn_with_file_and_line (file, line, PRINTF_ALIST (msg))
- char *file;
- int line;
- PRINTF_DCL (msg)
+pedwarn_with_file_and_line VPROTO ((char *file, size_t file_len, int line,
+ char * msg, ...))
+{
+#ifndef ANSI_PROTOTYPES
+ char *file;
+ size_t file_len;
+ int line;
+ char * msg;
#endif
-{
va_list args;
if (!pedantic_errors && inhibit_warnings)
return;
- if (file != NULL)
- fprintf (stderr, "%s:%d: ", file, line);
+
+ VA_START (args, msg);
+
+#ifndef ANSI_PROTOTYPES
+ file = va_arg (args, char *);
+ file_len = va_arg (args, size_t);
+ line = va_arg (args, int);
+ msg = va_arg (args, char *);
+#endif
+
+ if (file) {
+ eprint_string (file, file_len);
+ fprintf (stderr, ":%d: ", line);
+ }
if (pedantic_errors)
errors++;
if (!pedantic_errors)
fprintf (stderr, "warning: ");
- VA_START (args, msg);
+
vfprintf (stderr, msg, args);
va_end (args);
fprintf (stderr, "\n");
fprintf (stderr, ",\n ");
}
- fprintf (stderr, " from %s:%d", ip->nominal_fname, ip->lineno);
+ fprintf (stderr, " from ");
+ eprint_string (ip->nominal_fname, ip->nominal_fname_len);
+ fprintf (stderr, ":%d", ip->lineno);
}
if (! first)
fprintf (stderr, ":\n");
}
/*
- * find the most recent hash node for name name (ending with first
+ * find the most recent hash node for name "name" (ending with first
* non-identifier char) installed by install
*
* If LEN is >= 0, it is the length of the name.
*/
static void
-make_definition (str, op)
+make_definition (str)
char *str;
- FILE_BUF *op;
{
FILE_BUF *ip;
struct directive *kt;
if (unterminated)
return;
while (p != p1)
- if (*p == '\\' && p[1] == '\n')
- p += 2;
- else
- *q++ = *p++;
+ *q++ = *p++;
} else if (*p == '\\' && p[1] == '\n')
p += 2;
/* Change newline chars into newline-markers. */
ip = &instack[++indepth];
ip->nominal_fname = ip->fname = "*Initialization*";
+ ip->nominal_fname_len = strlen (ip->nominal_fname);
ip->buf = ip->bufp = buf;
ip->length = strlen ((char *) buf);
ip = &instack[++indepth];
ip->nominal_fname = ip->fname = "*undef*";
+ ip->nominal_fname_len = strlen (ip->nominal_fname);
ip->buf = ip->bufp = (U_CHAR *) str;
ip->length = strlen (str);
ip = &instack[++indepth];
ip->nominal_fname = ip->fname = "*Initialization*";
+ ip->nominal_fname_len = strlen (ip->nominal_fname);
ip->buf = ip->bufp = buf;
ip->length = strlen ((char *) buf);
len = simplify_filename (dir->fname);
/* Convert directory name to a prefix. */
- if (dir->fname[len - 1] != DIR_SEPARATOR) {
+ if (len && dir->fname[len - 1] != DIR_SEPARATOR) {
if (len == 1 && dir->fname[len - 1] == '.')
len = 0;
else
+#ifdef VMS
+ /* must be '/', hack_vms_include_specification triggers on it. */
+ dir->fname[len++] = '/';
+#else
dir->fname[len++] = DIR_SEPARATOR;
+#endif
dir->fname[len] = 0;
}
last_include = last;
}
\f
+/* Place into DST a representation of the file named SRC that is suitable
+ for `make'. Do not null-terminate DST. Return its length. */
+static int
+quote_string_for_make (dst, src)
+ char *dst;
+ char *src;
+{
+ char *p = src;
+ int i = 0;
+ for (;;)
+ {
+ char c = *p++;
+ switch (c)
+ {
+ case '\0':
+ case ' ':
+ case '\t':
+ {
+ /* GNU make uses a weird quoting scheme for white space.
+ A space or tab preceded by 2N+1 backslashes represents
+ N backslashes followed by space; a space or tab
+ preceded by 2N backslashes represents N backslashes at
+ the end of a file name; and backslashes in other
+ contexts should not be doubled. */
+ char *q;
+ for (q = p - 1; src < q && q[-1] == '\\'; q--)
+ {
+ if (dst)
+ dst[i] = '\\';
+ i++;
+ }
+ }
+ if (!c)
+ return i;
+ if (dst)
+ dst[i] = '\\';
+ i++;
+ goto ordinary_char;
+
+ case '$':
+ if (dst)
+ dst[i] = c;
+ i++;
+ /* Fall through. This can mishandle things like "$(" but
+ there's no easy fix. */
+ default:
+ ordinary_char:
+ /* This can mishandle characters in the string "\0\n%*?[\\~";
+ exactly which chars are mishandled depends on the `make' version.
+ We know of no portable solution for this;
+ even GNU make 3.76.1 doesn't solve the problem entirely.
+ (Also, '\0' is mishandled due to our calling conventions.) */
+ if (dst)
+ dst[i] = c;
+ i++;
+ break;
+ }
+ }
+}
+
+
/* Add output to `deps_buffer' for the -M switch.
STRING points to the text to be output.
SPACER is ':' for targets, ' ' for dependencies. */
char *string;
int spacer;
{
- int size = strlen (string);
+ int size = quote_string_for_make ((char *) 0, string);
if (size == 0)
return;
spacer = 0;
}
- if (deps_size + size + 8 > deps_allocated_size) {
- deps_allocated_size = (deps_size + size + 50) * 2;
+ if (deps_size + 2 * size + 8 > deps_allocated_size) {
+ deps_allocated_size = (deps_size + 2 * size + 50) * 2;
deps_buffer = xrealloc (deps_buffer, deps_allocated_size);
}
if (spacer == ' ') {
deps_buffer[deps_size++] = ' ';
deps_column++;
}
- bcopy (string, &deps_buffer[deps_size], size);
+ quote_string_for_make (&deps_buffer[deps_size], string);
deps_size += size;
deps_column += size;
if (spacer == ':') {
}
\f
static void
-fatal (PRINTF_ALIST (msg))
- PRINTF_DCL (msg)
+fatal VPROTO ((char * msg, ...))
{
+#ifndef ANSI_PROTOTYPES
+ char * msg;
+#endif
va_list args;
fprintf (stderr, "%s: ", progname);
VA_START (args, msg);
+
+#ifndef ANSI_PROTOTYPES
+ msg = va_arg (args, char *);
+#endif
+
vfprintf (stderr, msg, args);
va_end (args);
fprintf (stderr, "\n");
perror_with_name (name)
char *name;
{
- fprintf (stderr, "%s: ", progname);
- fprintf (stderr, "%s: %s\n", name, my_strerror (errno));
+ fprintf (stderr, "%s: %s: %s\n", progname, name, my_strerror (errno));
errors++;
}
static void
pipe_closed (signo)
/* If this is missing, some compilers complain. */
- int signo;
+ int signo ATTRIBUTE_UNUSED;
{
fatal ("output pipe has been closed");
}
\f
#ifdef VMS
-/* Under VMS we need to fix up the "include" specification filename so
- that everything following the 1st slash is changed into its correct
- VMS file specification. */
+/* Under VMS we need to fix up the "include" specification filename.
-static void
-hack_vms_include_specification (fname, vaxc_include)
- char *fname;
+ Rules for possible conversions
+
+ fullname tried paths
+
+ name name
+ ./dir/name [.dir]name
+ /dir/name dir:name
+ /name [000000]name, name
+ dir/name dir:[000000]name, dir:name, dir/name
+ dir1/dir2/name dir1:[dir2]name, dir1:[000000.dir2]name
+ path:/name path:[000000]name, path:name
+ path:/dir/name path:[000000.dir]name, path:[dir]name
+ path:dir/name path:[dir]name
+ [path]:[dir]name [path.dir]name
+ path/[dir]name [path.dir]name
+
+ The path:/name input is constructed when expanding <> includes.
+
+ return 1 if name was changed, 0 else. */
+
+static int
+hack_vms_include_specification (fullname, vaxc_include)
+ char *fullname;
int vaxc_include;
{
- register char *cp, *cp1, *cp2;
- int f, check_filename_before_returning;
+ register char *basename, *unixname, *local_ptr, *first_slash;
+ int f, check_filename_before_returning, must_revert;
char Local[512];
check_filename_before_returning = 0;
+ must_revert = 0;
+ /* See if we can find a 1st slash. If not, there's no path information. */
+ first_slash = index (fullname, '/');
+ if (first_slash == 0)
+ return 0; /* Nothing to do!!! */
+
+ /* construct device spec if none given. */
+
+ if (index (fullname, ':') == 0)
+ {
+
+ /* If fullname has a slash, take it as device spec. */
+
+ if (first_slash == fullname)
+ {
+ first_slash = index (fullname+1, '/'); /* 2nd slash ? */
+ if (first_slash)
+ *first_slash = ':'; /* make device spec */
+ for (basename = fullname; *basename != 0; basename++)
+ *basename = *(basename+1); /* remove leading slash */
+ }
+ else if ((first_slash[-1] != '.') /* keep ':/', './' */
+ && (first_slash[-1] != ':')
+ && (first_slash[-1] != ']')) /* or a vms path */
+ {
+ *first_slash = ':';
+ }
+ else if ((first_slash[1] == '[') /* skip './' in './[dir' */
+ && (first_slash[-1] == '.'))
+ fullname += 2;
+ }
+
+ /* Get part after first ':' (basename[-1] == ':')
+ or last '/' (basename[-1] == '/'). */
- cp = base_name (fname);
+ basename = base_name (fullname);
/*
* Check if we have a vax-c style '#include filename'
* and add the missing .h
*/
- if (vaxc_include && !index (cp,'.'))
- strcat (cp, ".h");
- cp2 = Local; /* initialize */
+ if (vaxc_include && !index (basename,'.'))
+ strcat (basename, ".h");
+
+ local_ptr = Local; /* initialize */
/* We are trying to do a number of things here. First of all, we are
trying to hammer the filenames into a standard format, such that later
If no device is specified, then the first directory name is taken to be
a device name (or a rooted logical). */
- /* See if we found that 1st slash */
- if (cp == 0) return; /* Nothing to do!!! */
- if (*cp != '/') return; /* Nothing to do!!! */
- /* Point to the UNIX filename part (which needs to be fixed!) */
- cp1 = cp+1;
+ /* Point to the UNIX filename part (which needs to be fixed!)
+ but skip vms path information.
+ [basename != fullname since first_slash != 0]. */
+
+ if ((basename[-1] == ':') /* vms path spec. */
+ || (basename[-1] == ']')
+ || (basename[-1] == '>'))
+ unixname = basename;
+ else
+ unixname = fullname;
+
+ if (*unixname == '/')
+ unixname++;
+
/* If the directory spec is not rooted, we can just copy
- the UNIX filename part and we are done */
- if (((cp - fname) > 1) && ((cp[-1] == ']') || (cp[-1] == '>'))) {
- if (cp[-2] != '.') {
- /*
- * The VMS part ends in a `]', and the preceding character is not a `.'.
- * We strip the `]', and then splice the two parts of the name in the
- * usual way. Given the default locations for include files in cccp.c,
- * we will only use this code if the user specifies alternate locations
- * with the /include (-I) switch on the command line. */
- cp -= 1; /* Strip "]" */
- cp1--; /* backspace */
- } else {
- /*
- * The VMS part has a ".]" at the end, and this will not do. Later
- * processing will add a second directory spec, and this would be a syntax
- * error. Thus we strip the ".]", and thus merge the directory specs.
- * We also backspace cp1, so that it points to a '/'. This inhibits the
- * generation of the 000000 root directory spec (which does not belong here
- * in this case).
- */
- cp -= 2; /* Strip ".]" */
- cp1--; }; /* backspace */
- } else {
+ the UNIX filename part and we are done. */
- /* We drop in here if there is no VMS style directory specification yet.
- * If there is no device specification either, we make the first dir a
- * device and try that. If we do not do this, then we will be essentially
- * searching the users default directory (as if they did a #include "asdf.h").
- *
- * Then all we need to do is to push a '[' into the output string. Later
- * processing will fill this in, and close the bracket.
- */
- if (cp[-1] != ':') *cp2++ = ':'; /* dev not in spec. take first dir */
- *cp2++ = '['; /* Open the directory specification */
- }
+ if (((basename - fullname) > 1)
+ && ( (basename[-1] == ']')
+ || (basename[-1] == '>')))
+ {
+ if (basename[-2] != '.')
+ {
+
+ /* The VMS part ends in a `]', and the preceding character is not a `.'.
+ -> PATH]:/name (basename = '/name', unixname = 'name')
+ We strip the `]', and then splice the two parts of the name in the
+ usual way. Given the default locations for include files in cccp.c,
+ we will only use this code if the user specifies alternate locations
+ with the /include (-I) switch on the command line. */
+
+ basename -= 1; /* Strip "]" */
+ unixname--; /* backspace */
+ }
+ else
+ {
+
+ /* The VMS part has a ".]" at the end, and this will not do. Later
+ processing will add a second directory spec, and this would be a syntax
+ error. Thus we strip the ".]", and thus merge the directory specs.
+ We also backspace unixname, so that it points to a '/'. This inhibits the
+ generation of the 000000 root directory spec (which does not belong here
+ in this case). */
+
+ basename -= 2; /* Strip ".]" */
+ unixname--; /* backspace */
+ }
+ }
+
+ else
+
+ {
+
+ /* We drop in here if there is no VMS style directory specification yet.
+ If there is no device specification either, we make the first dir a
+ device and try that. If we do not do this, then we will be essentially
+ searching the users default directory (as if they did a #include "asdf.h").
+
+ Then all we need to do is to push a '[' into the output string. Later
+ processing will fill this in, and close the bracket. */
+
+ if ((unixname != fullname) /* vms path spec found. */
+ && (basename[-1] != ':'))
+ *local_ptr++ = ':'; /* dev not in spec. take first dir */
+
+ *local_ptr++ = '['; /* Open the directory specification */
+ }
+
+ if (unixname == fullname) /* no vms dir spec. */
+ {
+ must_revert = 1;
+ if ((first_slash != 0) /* unix dir spec. */
+ && (*unixname != '/') /* not beginning with '/' */
+ && (*unixname != '.')) /* or './' or '../' */
+ *local_ptr++ = '.'; /* dir is local ! */
+ }
/* at this point we assume that we have the device spec, and (at least
the opening "[" for a directory specification. We may have directories
- specified already */
+ specified already.
- /* If there are no other slashes then the filename will be
+ If there are no other slashes then the filename will be
in the "root" directory. Otherwise, we need to add
directory specifications. */
- if (index (cp1, '/') == 0) {
- /* Just add "000000]" as the directory string */
- strcpy (cp2, "000000]");
- cp2 += strlen (cp2);
- check_filename_before_returning = 1; /* we might need to fool with this later */
- } else {
- /* As long as there are still subdirectories to add, do them. */
- while (index (cp1, '/') != 0) {
- /* If this token is "." we can ignore it */
- if ((cp1[0] == '.') && (cp1[1] == '/')) {
- cp1 += 2;
- continue;
- }
- /* Add a subdirectory spec. Do not duplicate "." */
- if (cp2[-1] != '.' && cp2[-1] != '[' && cp2[-1] != '<')
- *cp2++ = '.';
- /* If this is ".." then the spec becomes "-" */
- if ((cp1[0] == '.') && (cp1[1] == '.') && (cp[2] == '/')) {
- /* Add "-" and skip the ".." */
- *cp2++ = '-';
- cp1 += 3;
- continue;
- }
- /* Copy the subdirectory */
- while (*cp1 != '/') *cp2++= *cp1++;
- cp1++; /* Skip the "/" */
+
+ if (index (unixname, '/') == 0)
+ {
+ /* if no directories specified yet and none are following. */
+ if (local_ptr[-1] == '[')
+ {
+ /* Just add "000000]" as the directory string */
+ strcpy (local_ptr, "000000]");
+ local_ptr += strlen (local_ptr);
+ check_filename_before_returning = 1; /* we might need to fool with this later */
+ }
+ }
+ else
+ {
+
+ /* As long as there are still subdirectories to add, do them. */
+ while (index (unixname, '/') != 0)
+ {
+ /* If this token is "." we can ignore it
+ if it's not at the beginning of a path. */
+ if ((unixname[0] == '.') && (unixname[1] == '/'))
+ {
+ /* remove it at beginning of path. */
+ if ( ((unixname == fullname) /* no device spec */
+ && (fullname+2 != basename)) /* starts with ./ */
+ /* or */
+ || ((basename[-1] == ':') /* device spec */
+ && (unixname-1 == basename))) /* and ./ afterwards */
+ *local_ptr++ = '.'; /* make '[.' start of path. */
+ unixname += 2;
+ continue;
+ }
+
+ /* Add a subdirectory spec. Do not duplicate "." */
+ if ( local_ptr[-1] != '.'
+ && local_ptr[-1] != '['
+ && local_ptr[-1] != '<')
+ *local_ptr++ = '.';
+
+ /* If this is ".." then the spec becomes "-" */
+ if ( (unixname[0] == '.')
+ && (unixname[1] == '.')
+ && (unixname[2] == '/'))
+ {
+ /* Add "-" and skip the ".." */
+ if ((local_ptr[-1] == '.')
+ && (local_ptr[-2] == '['))
+ local_ptr--; /* prevent [.- */
+ *local_ptr++ = '-';
+ unixname += 3;
+ continue;
+ }
+
+ /* Copy the subdirectory */
+ while (*unixname != '/')
+ *local_ptr++= *unixname++;
+
+ unixname++; /* Skip the "/" */
+ }
+
+ /* Close the directory specification */
+ if (local_ptr[-1] == '.') /* no trailing periods */
+ local_ptr--;
+
+ if (local_ptr[-1] == '[') /* no dir needed */
+ local_ptr--;
+ else
+ *local_ptr++ = ']';
}
- /* Close the directory specification */
- if (cp2[-1] == '.') /* no trailing periods */
- cp2--;
- *cp2++ = ']';
- }
- /* Now add the filename */
- while (*cp1) *cp2++ = *cp1++;
- *cp2 = 0;
+
+ /* Now add the filename. */
+
+ while (*unixname)
+ *local_ptr++ = *unixname++;
+ *local_ptr = 0;
+
/* Now append it to the original VMS spec. */
- strcpy (cp, Local);
+
+ strcpy ((must_revert==1)?fullname:basename, Local);
/* If we put a [000000] in the filename, try to open it first. If this fails,
remove the [000000], and return that name. This provides flexibility
to the user in that they can use both rooted and non-rooted logical names
to point to the location of the file. */
- if (check_filename_before_returning) {
- f = open (fname, O_RDONLY, 0666);
- if (f >= 0) {
- /* The file name is OK as it is, so return it as is. */
- close (f);
- return;
+ if (check_filename_before_returning)
+ {
+ f = open (fullname, O_RDONLY, 0666);
+ if (f >= 0)
+ {
+ /* The file name is OK as it is, so return it as is. */
+ close (f);
+ return 1;
+ }
+
+ /* The filename did not work. Try to remove the [000000] from the name,
+ and return it. */
+
+ basename = index (fullname, '[');
+ local_ptr = index (fullname, ']') + 1;
+ strcpy (basename, local_ptr); /* this gets rid of it */
+
}
- /* The filename did not work. Try to remove the [000000] from the name,
- and return it. */
- cp = index (fname, '[');
- cp2 = index (fname, ']') + 1;
- strcpy (cp, cp2); /* this gets rid of it */
- }
- return;
+
+ return 1;
}
#endif /* VMS */
\f
char *type;
FILE *oldfile;
{
+#undef freopen /* Get back the real freopen routine. */
if (strcmp (type, "w") == 0)
- return decc$freopen (fname, type, oldfile,
+ return freopen (fname, type, oldfile,
"mbc=16", "deq=64", "fop=tef", "shr=nil");
- return decc$freopen (fname, type, oldfile, "mbc=16");
+ return freopen (fname, type, oldfile, "mbc=16");
}
static FILE *
char *fname;
char *type;
{
+#undef fopen /* Get back the real fopen routine. */
/* The gcc-vms-1.42 distribution's header files prototype fopen with two
fixed arguments, which matches ANSI's specification but not VAXCRTL's
pre-ANSI implementation. This hack circumvents the mismatch problem. */
- FILE *(*vmslib_fopen)() = (FILE *(*)()) decc$fopen;
+ FILE *(*vmslib_fopen)() = (FILE *(*)()) fopen;
if (*type == 'w')
return (*vmslib_fopen) (fname, type, "mbc=32",
int flags;
int prot;
{
- return decc$open (fname, flags, prot, "mbc=16", "deq=64", "fop=tef");
+#undef open /* Get back the real open routine. */
+ return open (fname, flags, prot, "mbc=16", "deq=64", "fop=tef");
}
\f
/* more VMS hackery */
#include <fab.h>
#include <nam.h>
-extern unsigned long sys$parse(), sys$search();
+extern unsigned long SYS$PARSE(), SYS$SEARCH();
/* Work around another library bug. If a file is located via a searchlist,
and if the device it's on is not the same device as the one specified
bad enough, but then compounding the problem by reporting the reason for
failure as "normal successful completion." */
+#undef fstat /* Get back to the library version. */
static int
VMS_fstat (fd, statbuf)
int fd;
struct stat *statbuf;
{
- int result = decc$fstat (fd, statbuf);
+ int result = fstat (fd, statbuf);
if (result < 0)
{
{
struct FAB fab;
struct NAM nam;
- char exp_nam[NAM$C_MAXRSS+1], /* expanded name buffer for sys$parse */
- res_nam[NAM$C_MAXRSS+1]; /* resultant name buffer for sys$search */
+ char exp_nam[NAM$C_MAXRSS+1], /* expanded name buffer for SYS$PARSE */
+ res_nam[NAM$C_MAXRSS+1]; /* resultant name buffer for SYS$SEARCH */
fab = cc$rms_fab;
fab.fab$l_fna = (char *) name;
nam.nam$l_esa = exp_nam, nam.nam$b_ess = sizeof exp_nam - 1;
nam.nam$l_rsa = res_nam, nam.nam$b_rss = sizeof res_nam - 1;
nam.nam$b_nop = NAM$M_PWD | NAM$M_NOCONCEAL;
- if (sys$parse (&fab) & 1)
+ if (SYS$PARSE (&fab) & 1)
{
- if (sys$search (&fab) & 1)
+ if (SYS$SEARCH (&fab) & 1)
{
res_nam[nam.nam$b_rsl] = '\0';
result = stat (res_nam, statbuf);
/* Clean up searchlist context cached by the system. */
nam.nam$b_nop = NAM$M_SYNCHK;
fab.fab$l_fna = 0, fab.fab$b_fns = 0;
- (void) sys$parse (&fab);
+ (void) SYS$PARSE (&fab);
}
}