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-rw-r--r--cpukit/libcsupport/src/access.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/access.c b/cpukit/libcsupport/src/access.c
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index 0000000000..a8be44a9a3
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+++ b/cpukit/libcsupport/src/access.c
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+/*
+ * access() - POSIX 1003.1b 5.6.3 - File Accessibility
+ *
+ * COPYRIGHT (c) 1989-1998.
+ * On-Line Applications Research Corporation (OAR).
+ * Copyright assigned to U.S. Government, 1994.
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.OARcorp.com/rtems/license.html.
+ *
+ * $Id$
+ */
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+int access(
+ const char *path,
+ int amode
+)
+{
+ struct stat statbuf;
+
+ if ( stat(path, &statbuf) )
+ return -1;
+
+ if ( amode & R_OK ) {
+ if (!( statbuf.st_mode & S_IREAD ))
+ return -1;
+ }
+
+ if ( amode & W_OK ) {
+ if ( !( statbuf.st_mode & S_IWRITE ) )
+ return -1;
+ }
+
+ if ( amode & X_OK ) {
+ if ( !( statbuf.st_mode & S_IEXEC ) )
+ return -1;
+ }
+
+ return 0;
+}
+