Simple tests for fmemopen(3) and open_memstream(3)

1 files changed, 68 insertions, 0 deletions

diff --git a/src/regress/lib/libc/fmemopen/fmemopentest.c b/src/regress/lib/libc/fmemopen/fmemopentest.c
new file mode 100644
index 0000000000..ef7e9ff64f
--- /dev/null
+++ b/src/regress/lib/libc/fmemopen/fmemopentest.c
@@ -0,0 +1,68 @@
+/*      $OpenBSD: fmemopentest.c,v 1.1 2013/01/01 17:43:07 mpi Exp $ */
+/*
+ * Copyright (c) 2011 Martin Pieuchot <mpi@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+int
+main(void)
+{
+        FILE    *s1, *s2;
+        char     c, string[] = "fmemopen test string!";
+        char     buffer[1024], *buf = NULL;
+        size_t   len;
+        int      failures = 0;
+
+        s1 = fmemopen(string, strlen(string), "r");
+        if (s1 == NULL) {
+                warn("unable to open a stream s1");
+                return (1);
+        }
+
+        s2 = fmemopen(buf, 22, "w+");
+        if (s2 == NULL) {
+                warn("unable to create a stream s2");
+                fclose(s1);
+                return (1);
+        }
+
+        while ((c = fgetc(s1)) != EOF)
+                fputc(c, s2);
+
+        if (ftell(s2) != strlen(string)) {
+                warnx("failed copy test (1)");
+                failures++;
+        }
+        fclose(s1);
+
+        fseek(s2, 0, SEEK_SET);
+        if (ftell(s2) != 0) {
+                warnx("failed seek test (2)");
+                failures++;
+        }
+
+        len = fread(buffer, 1, sizeof(buffer) - 1, s2);
+        if (len != strlen(string)) {
+                warnx("failed read test (3)");
+                failures++;
+        }
+
+        return (failures);
+}