diff options
Diffstat (limited to 'libiberty/argv.c')
| -rw-r--r-- | libiberty/argv.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/libiberty/argv.c b/libiberty/argv.c index 994dd35..fd43e78 100644 --- a/libiberty/argv.c +++ b/libiberty/argv.c @@ -35,6 +35,13 @@ Boston, MA 02110-1301, USA. */ #include <string.h> #include <stdlib.h> #include <stdio.h> +#include <sys/types.h> +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif +#if HAVE_SYS_STAT_H +#include <sys/stat.h> +#endif #ifndef NULL #define NULL 0 @@ -387,6 +394,9 @@ expandargv (int *argcp, char ***argvp) char **file_argv; /* The number of options read from the response file, if any. */ size_t file_argc; +#ifdef S_ISDIR + struct stat sb; +#endif /* We are only interested in options of the form "@file". */ filename = (*argvp)[i]; if (filename[0] != '@') @@ -397,6 +407,15 @@ expandargv (int *argcp, char ***argvp) fprintf (stderr, "%s: error: too many @-files encountered\n", (*argvp)[0]); xexit (1); } +#ifdef S_ISDIR + if (stat (filename+1, &sb) < 0) + continue; + if (S_ISDIR(sb.st_mode)) + { + fprintf (stderr, "%s: error: @-file refers to a directory\n", (*argvp)[0]); + xexit (1); + } +#endif /* Read the contents of the file. */ f = fopen (++filename, "r"); if (!f) |