[src/trunk]: src/regress/lib/libc/popen Regress test for popen().

[tron <tron%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/378842b4df4c
branches:  trunk
changeset: 476862:378842b4df4c
user:      tron <tron%NetBSD.org@localhost>
date:      Thu Sep 30 09:23:23 1999 +0000

description:
Regress test for popen().

diffstat:

 regress/lib/libc/popen/Makefile |   12 ++++
 regress/lib/libc/popen/popen.c  |  118 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 130 insertions(+), 0 deletions(-)

diffs (138 lines):

diff -r 9b5e1f777d80 -r 378842b4df4c regress/lib/libc/popen/Makefile
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/regress/lib/libc/popen/Makefile   Thu Sep 30 09:23:23 1999 +0000
@@ -0,0 +1,12 @@
+#      $NetBSD: Makefile,v 1.1.1.1 1999/09/30 09:23:23 tron Exp $
+
+PROG=  popen
+SRCS=  popen.c
+NOMAN= noman, no way, man
+
+CLEANFILES+= popen.data
+
+regress: ${PROG}
+       ./${PROG}
+
+.include <bsd.prog.mk>
diff -r 9b5e1f777d80 -r 378842b4df4c regress/lib/libc/popen/popen.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/regress/lib/libc/popen/popen.c    Thu Sep 30 09:23:23 1999 +0000
@@ -0,0 +1,118 @@
+/*     $NetBSD: popen.c,v 1.1.1.1 1999/09/30 09:23:23 tron Exp $       */
+
+/*-
+ * Copyright (c) 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Matthias Scheler.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the NetBSD
+ *     Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#ifndef lint
+__COPYRIGHT("@(#) Copyright (c) 1999 The NetBSD Foundation, Inc.\n\
+        All rights reserved.\n");
+#endif /* not lint */
+
+#ifndef lint
+__RCSID("$NetBSD: popen.c,v 1.1.1.1 1999/09/30 09:23:23 tron Exp $");
+#endif /* not lint */
+
+#include <sys/param.h>
+
+#include <errno.h>
+#include <paths.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
+
+#define _PATH_CAT      "/bin/cat"
+#define BUFSIZE                (640*1024)
+                       /* 640KB ought to be enough for everyone. */
+#define DATAFILE       "popen.data"
+
+int    main __P((int, char *[]));
+
+main(argc, argv)
+       int argc;
+       char *argv[];
+{
+       char *buffer, command[MAXPATHLEN];
+       int index, in;
+       FILE *pipe;
+
+       if ((buffer = malloc(BUFSIZE*sizeof(char))) == NULL)
+           err(1, NULL);
+
+       srand ((unsigned int)time(NULL));
+       for (index=0; index<BUFSIZE; index++)
+           buffer[index]=(char)rand();
+
+       (void)snprintf(command, sizeof(command), "%s >%s",
+                      _PATH_CAT, DATAFILE);
+       if ((pipe = popen(command, "w")) == NULL)
+           err(1, "popen write");
+
+       if (fwrite(buffer, sizeof(char), BUFSIZE, pipe) != BUFSIZE)
+           err(1, "write");
+
+       if (pclose(pipe) == -1)
+           err(1, "pclose");
+
+       (void)snprintf(command, sizeof(command), "%s %s",
+                      _PATH_CAT, DATAFILE);
+       if ((pipe = popen(command, "r")) == NULL)
+           err(1, "popen read");
+
+       index = 0;
+       while ((in = fgetc(pipe)) != EOF)
+           if (index == BUFSIZE) {
+               errno = EFBIG;
+               err(1, "read");
+           }
+           else
+               if ((char)in != buffer[index++]) {
+                   errno = EINVAL;
+                   err(1, "read");
+               }
+
+       if (index < BUFSIZE) {
+           errno = EIO;
+           err(1, "read");
+       }
+
+       if (pclose(pipe) == -1)
+           err(1, "pclose");
+
+       (void)unlink(DATAFILE);
+       return 0;
+}