summaryrefslogtreecommitdiff
path: root/src/vpopen.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/vpopen.c')
-rw-r--r--src/vpopen.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/vpopen.c b/src/vpopen.c
new file mode 100644
index 0000000..777f168
--- /dev/null
+++ b/src/vpopen.c
@@ -0,0 +1,62 @@
+/*===========================================================================
+ Copyright (c) 1998-2000, The Santa Cruz Operation
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ *Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ *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.
+
+ *Neither name of The Santa Cruz Operation 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 COPYRIGHT HOLDERS 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 REGENTS 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.
+ =========================================================================*/
+
+
+/* vpopen - view path version of the open system call */
+
+#include <stdio.h>
+#include "global.h"
+#include "vp.h"
+
+#define OPENFLAG_READ 0
+
+static char const rcsid[] = "$Id: vpopen.c,v 1.4 2002/07/28 15:40:07 broeker Exp $";
+
+int
+vpopen(char *path, int oflag)
+{
+ char buf[MAXPATH + 1];
+ int returncode;
+ int i;
+
+ if ((returncode = myopen(path, oflag, 0666)) == -1 && path[0] != '/' &&
+ oflag == OPENFLAG_READ) {
+ vpinit(NULL);
+ for (i = 1; i < vpndirs; i++) {
+ (void) sprintf(buf, "%s/%s", vpdirs[i], path);
+ if ((returncode = myopen(buf, oflag, 0666)) != -1) {
+ break;
+ }
+ }
+ }
+ return(returncode);
+}