From 2cd2156f48361fa342ce1ad18cead5cae6ce4af5 Mon Sep 17 00:00:00 2001 From: DJ Delorie Date: Sat, 24 Apr 2010 01:03:21 +0000 Subject: [PATCH] merge from gcc --- include/ChangeLog | 22 ++++++++++++++++++++++ include/filenames.h | 52 +++++++++++++++++++++++++++++++-------------------- include/libiberty.h | 11 +++++++++++ libiberty/ChangeLog | 8 ++++++++ libiberty/Makefile.in | 2 +- libiberty/lbasename.c | 28 +++++++++++++++++++++++---- 6 files changed, 98 insertions(+), 25 deletions(-) diff --git a/include/ChangeLog b/include/ChangeLog index 6c57a4f..4ecae89 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,25 @@ +2010-04-23 Pedro Alves + + * filenames.h (IS_DIR_SEPARATOR_1): Rename from IS_DIR_SEPARATOR, + always define it independently of host, add `dos_based' parameter, + and handle it. + (HAS_DRIVE_SPEC_1): Rename from HAS_DRIVE_SPEC, always define it + independently of host, add `dos_based' parameter, and handle it. + (IS_ABSOLUTE_PATH_1): Rename from IS_ABSOLUTE_PATH, always define + it independently of host, add `dos_based' parameter, and handle + it. + (IS_DOS_DIR_SEPARATOR, IS_DOS_ABSOLUTE_PATH) + (IS_UNIX_DIR_SEPARATOR, IS_UNIX_ABSOLUTE_PATH) + (HAS_DOS_DRIVE_SPEC): New. + (HAS_DRIVE_SPEC): Reimplement on top of HAS_DRIVE_SPEC_1. + (IS_DIR_SEPARATOR): Reimplement on top of IS_DIR_SEPARATOR_1. + (IS_ABSOLUTE_PATH): Reimplement on top of IS_ABSOLUTE_PATH_1. + * libiberty.h (dos_lbasename, unix_lbasename): Declare. + +2010-04-20 Nick Clifton + + * sha1.h: Update copyright notice to use GPLv3. + 2010-04-15 Nick Clifton * bout.h: Update copyright notice to use GPLv3. diff --git a/include/filenames.h b/include/filenames.h index d5e34a0..ff4e5ac 100644 --- a/include/filenames.h +++ b/include/filenames.h @@ -31,34 +31,46 @@ extern "C" { #endif #if defined(__MSDOS__) || defined(_WIN32) || defined(__OS2__) || defined (__CYGWIN__) - -#ifndef HAVE_DOS_BASED_FILE_SYSTEM -#define HAVE_DOS_BASED_FILE_SYSTEM 1 +# ifndef HAVE_DOS_BASED_FILE_SYSTEM +# define HAVE_DOS_BASED_FILE_SYSTEM 1 +# endif +# define PATH_SEPARATOR ';' +# define HAS_DRIVE_SPEC(f) HAS_DOS_DRIVE_SPEC (f) +# define IS_DIR_SEPARATOR(c) IS_DOS_DIR_SEPARATOR (c) +# define IS_ABSOLUTE_PATH(f) IS_DOS_ABSOLUTE_PATH (f) +#else /* not DOSish */ +# define PATH_SEPARATOR ':' +# define HAS_DRIVE_SPEC(f) (0) +# define IS_DIR_SEPARATOR(c) IS_UNIX_DIR_SEPARATOR (c) +# define IS_ABSOLUTE_PATH(f) IS_UNIX_ABSOLUTE_PATH (f) #endif -#define IS_DIR_SEPARATOR(c) ((c) == '/' || (c) == '\\') +#define IS_DIR_SEPARATOR_1(dos_based, c) \ + (((c) == '/') \ + || (((c) == '\\') && (dos_based))) -#define HAS_DRIVE_SPEC(f) (((f)[0]) && ((f)[1] == ':')) +#define HAS_DRIVE_SPEC_1(dos_based, f) \ + ((f)[0] && ((f)[1] == ':') && (dos_based)) /* Remove the drive spec from F, assuming HAS_DRIVE_SPEC (f). The result is a pointer to the remainder of F. */ #define STRIP_DRIVE_SPEC(f) ((f) + 2) -/* Note that IS_ABSOLUTE_PATH accepts d:foo as well, although it is - only semi-absolute. This is because the users of IS_ABSOLUTE_PATH - want to know whether to prepend the current working directory to - a file name, which should not be done with a name like d:foo. */ -#define IS_ABSOLUTE_PATH(f) (IS_DIR_SEPARATOR((f)[0]) || HAS_DRIVE_SPEC(f)) - -#else /* not DOSish */ - -#define IS_DIR_SEPARATOR(c) ((c) == '/') -#define IS_ABSOLUTE_PATH(f) (IS_DIR_SEPARATOR((f)[0])) - -#define HAS_DRIVE_SPEC(f) (0) -#define STRIP_DRIVE_SPEC(f) (f) - -#endif /* not DOSish */ +#define IS_DOS_DIR_SEPARATOR(c) IS_DIR_SEPARATOR_1 (1, c) +#define IS_DOS_ABSOLUTE_PATH(f) IS_ABSOLUTE_PATH_1 (1, f) +#define HAS_DOS_DRIVE_SPEC(f) HAS_DRIVE_SPEC_1 (1, f) + +#define IS_UNIX_DIR_SEPARATOR(c) IS_DIR_SEPARATOR_1 (0, c) +#define IS_UNIX_ABSOLUTE_PATH(f) IS_ABSOLUTE_PATH_1 (0, f) + +/* Note that when DOS_BASED is true, IS_ABSOLUTE_PATH accepts d:foo as + well, although it is only semi-absolute. This is because the users + of IS_ABSOLUTE_PATH want to know whether to prepend the current + working directory to a file name, which should not be done with a + name like d:foo. */ +#define IS_ABSOLUTE_PATH_1(dos_based, f) \ + (IS_DIR_SEPARATOR_1 (dos_based, (f)[0]) \ + || HAS_DRIVE_SPEC_1 (dos_based, f)) extern int filename_cmp (const char *s1, const char *s2); #define FILENAME_CMP(s1, s2) filename_cmp(s1, s2) diff --git a/include/libiberty.h b/include/libiberty.h index a7716e4..b320b18 100644 --- a/include/libiberty.h +++ b/include/libiberty.h @@ -116,6 +116,17 @@ extern char *basename (const char *); extern const char *lbasename (const char *); +/* Same, but assumes DOS semantics (drive name, backslash is also a + dir separator) regardless of host. */ + +extern const char *dos_lbasename (const char *); + +/* Same, but assumes Unix semantics (absolute paths always start with + a slash, only forward slash is accepted as dir separator) + regardless of host. */ + +extern const char *unix_lbasename (const char *); + /* A well-defined realpath () that is always compiled in. */ extern char *lrealpath (const char *); diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index eb47537..cf4cdc4 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,3 +1,11 @@ +2010-04-23 Pedro Alves + + * lbasename.c (lbasename): Split into ... + (unix_lbasename, dos_basename): ... these. + (lbasename): ... and reimplement on top of them. + * Makefile.in (lbasename.o): Add dependency on + $(INCDIR)/filenames.h. + 2010-04-07 Jakub Jelinek * regex.c (byte_re_match_2_internal): Avoid set but not used diff --git a/libiberty/Makefile.in b/libiberty/Makefile.in index f22d3a3..fbce3cd 100644 --- a/libiberty/Makefile.in +++ b/libiberty/Makefile.in @@ -724,7 +724,7 @@ $(CONFIGURED_OFILES): stamp-picdir ./lbasename.o: $(srcdir)/lbasename.c config.h $(INCDIR)/ansidecl.h \ $(INCDIR)/filenames.h $(INCDIR)/libiberty.h \ - $(INCDIR)/safe-ctype.h + $(INCDIR)/safe-ctype.h $(INCDIR)/filenames.h if [ x"$(PICFLAG)" != x ]; then \ $(COMPILE.c) $(PICFLAG) $(srcdir)/lbasename.c -o pic/$@; \ else true; fi diff --git a/libiberty/lbasename.c b/libiberty/lbasename.c index 56fcd62..ed1dd1f 100644 --- a/libiberty/lbasename.c +++ b/libiberty/lbasename.c @@ -46,19 +46,39 @@ and a path ending in @code{/} returns the empty string after it. #include "filenames.h" const char * -lbasename (const char *name) +unix_lbasename (const char *name) +{ + const char *base; + + for (base = name; *name; name++) + if (IS_UNIX_DIR_SEPARATOR (*name)) + base = name + 1; + + return base; +} + +const char * +dos_lbasename (const char *name) { const char *base; -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) /* Skip over a possible disk name. */ if (ISALPHA (name[0]) && name[1] == ':') name += 2; -#endif for (base = name; *name; name++) - if (IS_DIR_SEPARATOR (*name)) + if (IS_DOS_DIR_SEPARATOR (*name)) base = name + 1; return base; } + +const char * +lbasename (const char *name) +{ +#if defined (HAVE_DOS_BASED_FILE_SYSTEM) + return dos_lbasename (name); +#else + return unix_lbasename (name); +#endif +} -- 2.7.4