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authordj <dj@138bc75d-0d04-0410-961f-82ee72b054a4>2016-12-06 06:38:23 +0000
committerdj <dj@138bc75d-0d04-0410-961f-82ee72b054a4>2016-12-06 06:38:23 +0000
commit7508edd7378156bc6c121afec515ac8e7a555ee9 (patch)
tree961450e3d60e5f55dde272bae8fba35846926c20 /libiberty/argv.c
parentfa063cbf773e78d7ddfc2c9b4044e32a40375457 (diff)
* argv.c (expandargv): Check for directories passed as @-files.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@243280 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libiberty/argv.c')
-rw-r--r--libiberty/argv.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/libiberty/argv.c b/libiberty/argv.c
index 994dd3531c0..fd43e78b170 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)