From 53e5696b30660410b150074d86a0c93db870b0c9 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Wed, 23 Feb 2005 02:42:55 +0000
Subject: Test for exec function.

---
 posix/tst-execvp2.c | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 posix/tst-execvp2.c

(limited to 'posix/tst-execvp2.c')

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;
+}
-- 
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