aboutsummaryrefslogtreecommitdiff
path: root/stdio-common/tst-popen.c
diff options
context:
space:
mode:
Diffstat (limited to 'stdio-common/tst-popen.c')
-rw-r--r--stdio-common/tst-popen.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/stdio-common/tst-popen.c b/stdio-common/tst-popen.c
new file mode 100644
index 0000000000..980cf935a7
--- /dev/null
+++ b/stdio-common/tst-popen.c
@@ -0,0 +1,72 @@
+/* Copyright (C) 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <stdio.h>
+#include <wchar.h>
+
+static int
+do_test (void)
+{
+ FILE *f = popen ("echo test", "r");
+ int result = 0, ret;
+ char *line = NULL;
+ size_t len = 0;
+
+ if (f == NULL)
+ {
+ printf ("popen failed %m");
+ return 1;
+ }
+
+ /* POSIX says that pipe streams are byte-oriented. */
+ if (fwide (f, 0) >= 0)
+ {
+ puts ("popen did not return byte-oriented stream");
+ result = 1;
+ }
+
+ if (getline (&line, &len, f) != 5)
+ {
+ puts ("could not read line from popen");
+ result = 1;
+ }
+ else if (strcmp (line, "test\n") != 0)
+ {
+ printf ("read \"%s\"\n", line);
+ result = 1;
+ }
+
+ if (getline (&line, &len, f) != -1)
+ {
+ puts ("second getline did not return -1");
+ result = 1;
+ }
+
+ ret = pclose (f);
+ if (ret != 0)
+ {
+ printf ("pclose returned %d\n", ret);
+ result = 1;
+ }
+
+ return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"