[Crackerjack-devel-changes] SF.net SVN: crackerjack: [420] trunk/crackerjack/testcases/old_mmap/ old_mmap_test.c

[<ky...@us...>]

Revision: 420
          http://svn.sourceforge.net/crackerjack/?rev=420&view=rev
Author:   kyagi
Date:     2007-03-21 07:21:35 -0700 (Wed, 21 Mar 2007)

Log Message:
-----------
mv filename

Added Paths:
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    trunk/crackerjack/testcases/old_mmap/old_mmap_test.c

Copied: trunk/crackerjack/testcases/old_mmap/old_mmap_test.c (from rev 417, trunk/crackerjack/testcases/old_mmap/mmap_test.c)
===================================================================
--- trunk/crackerjack/testcases/old_mmap/old_mmap_test.c	                        (rev 0)
+++ trunk/crackerjack/testcases/old_mmap/old_mmap_test.c	2007-03-21 14:21:35 UTC (rev 420)
@@ -0,0 +1,158 @@
+/*
+* Crackerjack Project
+*
+* Copyright (C) 2007 Miracle Linux Corp, All Rights Reserved.
+*
+* This program is free software; you can redistribute it and/or modify it
+* under the terms of version 2 of the GNU General Public License as
+* published by the Free Software Foundation.
+*
+* This program is distributed in the hope that it would be useful, but
+* WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+*
+* Further, this software is distributed without any warranty that it is
+* free of the rightful claim of any third person regarding infringement
+* or the like.  Any license provided herein, whether implied or
+* otherwise, applies only to this software file.  Patent licenses, if
+* any, provided herein do not apply to combinations of this program with
+* other software, or any other product whatsoever.
+*
+* You should have received a copy of the GNU General Public License along
+* with this program; if not, write the Free Software Foundation, Inc., 59
+* Temple Place - Suite 330, Boston MA 02111-1307, USA.
+*
+* $Id$
+*/
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <errno.h>
+
+#define PRINT(X) printf("%s\n", X)
+#define OK PRINT("OK")
+#define NG PRINT("NG")
+
+#define NUMBER_OF_MMAP_FILES 2
+static char *mmap_files[] = { "/etc/passwd", "/etc/inittab" };
+
+struct retval {
+  void *p;
+  size_t size;
+  int fd;
+};
+
+void *
+open_and_mmap(char *path, struct retval *retval)
+{
+  int fd;
+  void *p = NULL;
+  struct stat statbuf;
+  int ret;
+
+  fd = open(path, O_RDONLY);
+  if (fd < 0) {
+	perror("open");
+	puts (path);
+	NG;
+	return NULL;
+  }
+
+  ret = fstat(fd, &statbuf);
+  if (ret == -1) {
+	perror("fstat");
+	puts (path);
+	NG;
+	return NULL;
+  }
+
+  ret = lseek(fd, statbuf.st_size - 1, SEEK_SET);
+  if (ret == -1) {
+	perror("lseek");
+	puts (path);
+	NG;
+	return NULL;
+  }
+
+  retval->p = mmap(0, statbuf.st_size, PROT_READ, MAP_SHARED, fd, 0);
+  if (p == MAP_FAILED) {
+	switch(errno) {
+	case EACCES:
+	case EAGAIN:
+	case EBADF:
+	case EINVAL:
+	case ENFILE:
+	case ENODEV:
+	case ENOMEM:
+	case EPERM:
+	case ETXTBSY:
+	  break;
+	default:
+	  perror("mmap");
+	  NG;
+	  return NULL;
+	}
+  }
+
+  retval->size = statbuf.st_size;
+  retval->fd = fd;
+
+  return retval;
+}
+
+int
+close_and_munmap(struct retval *retval)
+{
+  int ret;
+
+  ret = munmap(retval->p, retval->size);
+  if (ret == -1) {
+	switch(errno) {
+	case EACCES:
+	case EAGAIN:
+	case EBADF:
+	case EINVAL:
+	case ENFILE:
+	case ENODEV:
+	case ENOMEM:
+	case EPERM:
+	case ETXTBSY:
+	  break;
+	default:
+	  perror("munmap");
+	  NG;
+	  return ret;
+	}
+  }
+
+  close(retval->fd);
+
+  return ret;
+}
+
+int
+main(int argc, char **argv)
+{
+  int i;
+  struct retval retval;
+  retval.p = NULL;
+  retval.size = 0;
+  retval.fd = -1;
+
+  for (i=0; i<NUMBER_OF_MMAP_FILES; i++) {
+	open_and_mmap(mmap_files[i], &retval);
+	if (retval.p == NULL || retval.p == MAP_FAILED) {
+	  NG;
+	  return 1;
+	}
+	close_and_munmap(&retval);
+  }
+
+  OK;
+  return 0;
+}
+


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