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authorUlrich Drepper <drepper@redhat.com>2005-02-23 02:42:55 +0000
committerUlrich Drepper <drepper@redhat.com>2005-02-23 02:42:55 +0000
commit53e5696b30660410b150074d86a0c93db870b0c9 (patch)
treec98be26b23be6b57802538db7c32e619c0af1184 /posix/tst-execvp2.c
parentb17ebefa45a5e3e128775fec5b3f158afc0b59c1 (diff)
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Test for exec function.
Diffstat (limited to 'posix/tst-execvp2.c')
-rw-r--r--posix/tst-execvp2.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/posix/tst-execvp2.c b/posix/tst-execvp2.c
new file mode 100644
index 0000000000..7e0f5d882c
--- /dev/null
+++ b/posix/tst-execvp2.c
@@ -0,0 +1,82 @@
+#include <errno.h>
+#include <libgen.h>
+#undef basename
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+
+static void prepare (int argc, char *argv[]);
+static int do_test (void);
+#define PREPARE(argc, argv) prepare (argc, argv)
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
+
+
+static char *copy;
+
+static void
+prepare (int argc, char *argv[])
+{
+ char *buf;
+ int off;
+ asprintf (&buf, "cp %s %n%s-copy", argv[0], &off, argv[0]);
+ if (buf == NULL)
+ {
+ puts ("asprintf failed");
+ exit (1);
+ }
+ if (system (buf) != 0)
+ {
+ puts ("system failed");
+ exit (1);
+ }
+
+ /* Make it not executable. */
+ copy = buf + off;
+ if (chmod (copy, 0666) != 0)
+ {
+ puts ("chmod failed");
+ exit (1);
+ }
+
+ add_temp_file (copy);
+}
+
+
+static int
+do_test (void)
+{
+ /* Make sure we do not find a binary with the name we are going to
+ use. */
+ char *bindir = strdupa (copy);
+ bindir = canonicalize_file_name (dirname (bindir));
+ if (bindir == NULL)
+ {
+ puts ("canonicalize_file_name failed");
+ return 1;
+ }
+ char *path;
+ asprintf (&path, "%s:../libio:../elf", bindir);
+ if (path == NULL)
+ {
+ puts ("asprintf failed");
+ return 1;
+ }
+
+ setenv ("PATH", path, 1);
+
+ char *argv[] = { basename (copy), NULL };
+ errno = 0;
+ execvp (argv[0], argv);
+
+ if (errno != EACCES)
+ {
+ printf ("errno = %d (%m), expected EACCES\n", errno);
+ return 1;
+ }
+
+ return 0;
+}