printf_filtered ("Source language is %s.\n", language_str (s->language));
printf_filtered ("Compiled with %s debugging format.\n", s->debugformat);
+ printf_filtered ("%s preprocessor macro info.\n",
+ s->macro_table ? "Includes" : "Does not include");
}
\f
+/* Return True if the file NAME exists and is a regular file */
+static int
+is_regular_file (const char *name)
+{
+ struct stat st;
+ const int status = stat (name, &st);
+
+ /* Stat should never fail except when the file does not exist.
+ If stat fails, analyze the source of error and return True
+ unless the file does not exist, to avoid returning false results
+ on obscure systems where stat does not work as expected.
+ */
+ if (status != 0)
+ return (errno != ENOENT);
+
+ return S_ISREG (st.st_mode);
+}
/* Open a file named STRING, searching path PATH (dir names sep by some char)
using mode MODE and protection bits PROT in the calls to open.
get that particular version of foo or an error message).
If FILENAME_OPENED is non-null, set it to a newly allocated string naming
- the actual file opened (this string will always start with a "/". We
+ the actual file opened (this string will always start with a "/"). We
have to take special pains to avoid doubling the "/" between the directory
and the file, sigh! Emacs gets confuzzed by this when we print the
source file name!!!
Otherwise, return -1, with errno set for the last name we tried to open. */
/* >>>> This should only allow files of certain types,
- >>>> eg executable, non-directory */
+ >>>> eg executable, non-directory */
int
openp (const char *path, int try_cwd_first, const char *string,
int mode, int prot,
mode |= O_BINARY;
#endif
- if (try_cwd_first || IS_ABSOLUTE_PATH (string))
+ if ((try_cwd_first || IS_ABSOLUTE_PATH (string)) && is_regular_file (string))
{
int i;
filename = alloca (strlen (string) + 1);
strcat (filename + len, SLASH_STRING);
strcat (filename, string);
- fd = open (filename, mode);
- if (fd >= 0)
- break;
+ if (is_regular_file (filename))
+ {
+ fd = open (filename, mode);
+ if (fd >= 0)
+ break;
+ }
}
done:
if (filename_opened)
{
+ /* If a file was opened, canonicalize its filename. Use xfullpath
+ rather than gdb_realpath to avoid resolving the basename part
+ of filenames when the associated file is a symbolic link. This
+ fixes a potential inconsistency between the filenames known to
+ GDB and the filenames it prints in the annotations. */
if (fd < 0)
*filename_opened = NULL;
else if (IS_ABSOLUTE_PATH (filename))
- *filename_opened = gdb_realpath (filename);
+ *filename_opened = xfullpath (filename);
else
{
/* Beware the // my son, the Emacs barfs, the botch that catch... */
IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])
? "" : SLASH_STRING,
filename, NULL);
- *filename_opened = gdb_realpath (f);
+ *filename_opened = xfullpath (f);
xfree (f);
}
}