#if defined (PREFER_STDARG)
# include <stdarg.h>
#else
-# if defined (PREFER_VARARGS)
-# include <varargs.h>
-# endif
+# include <varargs.h>
#endif
#include "bashansi.h"
#include "shell.h"
+#include "flags.h"
#include <y.tab.h> /* use <...> so we pick it up from the build directory */
-#include "stdc.h"
#include "builtins/common.h"
#if !HAVE_DECL_PRINTF
extern int printf __P((const char *, ...)); /* Yuck. Double yuck. */
#endif
+extern int indirection_level;
+
static int indentation;
static int indentation_amount = 4;
includes the group command that is a function body. */
static int group_command_nesting;
+/* A buffer to indicate the indirection level (PS4) when set -x is enabled. */
+static char indirection_string[100];
+
/* Print COMMAND (a command tree) on standard output. */
void
print_command (command)
_print_word_list (list, separator, xprintf);
}
+/* Return a string denoting what our indirection level is. */
+
+char *
+indirection_level_string ()
+{
+ register int i, j;
+ char *ps4;
+
+ indirection_string[0] = '\0';
+ ps4 = get_string_value ("PS4");
+
+ if (ps4 == 0 || *ps4 == '\0')
+ return (indirection_string);
+
+ change_flag ('x', FLAG_OFF);
+ ps4 = decode_prompt_string (ps4);
+ change_flag ('x', FLAG_ON);
+
+ for (i = 0; *ps4 && i < indirection_level && i < 99; i++)
+ indirection_string[i] = *ps4;
+
+ for (j = 1; *ps4 && ps4[j] && i < 99; i++, j++)
+ indirection_string[i] = ps4[j];
+
+ indirection_string[i] = '\0';
+ free (ps4);
+ return (indirection_string);
+}
+
/* A function to print the words of a simple command when set -x is on. */
void
xtrace_print_word_list (list)
fprintf (stderr, "%s%s", x, w->next ? " " : "");
free (x);
}
+ else if (ansic_shouldquote (t))
+ {
+ x = ansic_quote (t, 0, (int *)0);
+ fprintf (stderr, "%s%s", x, w->next ? " " : "");
+ free (x);
+ }
else
fprintf (stderr, "%s%s", t, w->next ? " " : "");
}
redirect->redirectee.filename->word, redirect->here_doc_eof);
break;
+ case r_reading_string:
+ if (redirector != 0)
+ cprintf ("%d", redirector);
+ if (ansic_shouldquote (redirect->redirectee.filename->word))
+ {
+ char *x;
+ x = ansic_quote (redirect->redirectee.filename->word, 0, (int *)0);
+ cprintf ("<<< %s", x);
+ free (x);
+ }
+ else
+ cprintf ("<<< %s", redirect->redirectee.filename->word);
+ break;
+
case r_duplicating_input:
cprintf ("%d<&%d", redirector, redir_fd);
break;
cprintf ("%d>&%s", redirector, redirectee->word);
break;
+ case r_move_input:
+ cprintf ("%d<&%d-", redirector, redir_fd);
+ break;
+
+ case r_move_output:
+ cprintf ("%d>&%d-", redirector, redir_fd);
+ break;
+
+ case r_move_input_word:
+ cprintf ("%d<&%s-", redirector, redirectee->word);
+ break;
+
+ case r_move_output_word:
+ cprintf ("%d>&%s-", redirector, redirectee->word);
+ break;
+
case r_close_this:
cprintf ("%d>&-", redirector);
break;
static void
semicolon ()
{
- if (command_string_index > 0 && the_printed_command[command_string_index - 1] == '&')
+ if (command_string_index > 0 &&
+ (the_printed_command[command_string_index - 1] == '&' ||
+ the_printed_command[command_string_index - 1] == '\n'))
return;
cprintf (";");
}
-#if !defined (USE_VARARGS)
-/* How to make the string. */
-static void
-cprintf (format, arg1, arg2)
- const char *format;
- char *arg1, *arg2;
-{
- register const char *s;
- char char_arg[2], *argp, *args[2], intbuf[INT_STRLEN_BOUND(int) + 1];
- int arg_len, c, arg_index, digit_arg;
-
- args[arg_index = 0] = arg1;
- args[1] = arg2;
-
- arg_len = strlen (format);
- the_printed_command_resize (arg_len + 1);
-
- char_arg[1] = '\0';
- s = format;
- while (s && *s)
- {
- int free_argp = 0;
- c = *s++;
- if (c != '%' || !*s)
- {
- char_arg[0] = c;
- argp = char_arg;
- arg_len = 1;
- }
- else
- {
- c = *s++;
- switch (c)
- {
- case '%':
- char_arg[0] = c;
- argp = char_arg;
- arg_len = 1;
- break;
-
- case 's':
- argp = (char *)args[arg_index++];
- arg_len = strlen (argp);
- break;
-
- case 'd':
- /* Represent an out-of-range file descriptor with an out-of-range
- integer value. We can do this because the only use of `%d' in
- the calls to cprintf is to output a file descriptor number for
- a redirection. */
- digit_arg = pointer_to_int (args[arg_index]);
- if (digit_arg < 0)
- {
- sprintf (intbuf, "%u", (unsigned)-1);
- argp = intbuf;
- }
- else
- argp = inttostr (digit_arg, intbuf, sizeof (intbuf));
- arg_index++;
- arg_len = strlen (argp);
- break;
-
- case 'c':
- char_arg[0] = pointer_to_int (args[arg_index]);
- arg_index++;
- argp = char_arg;
- arg_len = 1;
- break;
-
- default:
- programming_error ("cprintf: bad `%%' argument (%c)", c);
- }
- }
- if (argp)
- {
- the_printed_command_resize (arg_len + 1);
- FASTCOPY (argp, the_printed_command + command_string_index, arg_len);
- command_string_index += arg_len;
- if (free_argp)
- free (argp);
- }
- }
-
- the_printed_command[command_string_index] = '\0';
-}
-
-#else /* We have support for varargs. */
-
/* How to make the string. */
static void
#if defined (PREFER_STDARG)
int digit_arg, arg_len, c;
va_list args;
-#if defined (PREFER_STDARG)
- va_start (args, control);
-#else
- va_start (args);
-#endif
+ SH_VA_START (args, control);
arg_len = strlen (control);
the_printed_command_resize (arg_len + 1);
s = control;
while (s && *s)
{
- int free_argp;
- free_argp = 0;
c = *s++;
argp = (char *)NULL;
if (c != '%' || !*s)
the_printed_command_resize (arg_len + 1);
FASTCOPY (argp, the_printed_command + command_string_index, arg_len);
command_string_index += arg_len;
- if (free_argp)
- free (argp);
}
}
the_printed_command[command_string_index] = '\0';
}
-#endif /* HAVE_VARARGS_H */
/* Ensure that there is enough space to stuff LENGTH characters into
THE_PRINTED_COMMAND. */
{
va_list args;
-#if defined (PREFER_STDARG)
- va_start (args, format);
-#else
- va_start (args);
-#endif
+ SH_VA_START (args, format);
vfprintf (stdout, format, args);
va_end (args);
projects / platform / upstream / bash.git / blobdiff