summaryrefslogtreecommitdiffstats
path: root/libc/bionic/dirname_r.c
diff options
context:
space:
mode:
Diffstat (limited to 'libc/bionic/dirname_r.c')
-rw-r--r--libc/bionic/dirname_r.c88
1 files changed, 0 insertions, 88 deletions
diff --git a/libc/bionic/dirname_r.c b/libc/bionic/dirname_r.c
deleted file mode 100644
index df2e9bf..0000000
--- a/libc/bionic/dirname_r.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- * 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.
- *
- * 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
- * COPYRIGHT OWNER 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 <libgen.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/param.h>
-
-int
-dirname_r(const char* path, char* buffer, size_t bufflen)
-{
- const char *endp;
- int result, len;
-
- /* Empty or NULL string gets treated as "." */
- if (path == NULL || *path == '\0') {
- path = ".";
- len = 1;
- goto Exit;
- }
-
- /* Strip trailing slashes */
- endp = path + strlen(path) - 1;
- while (endp > path && *endp == '/')
- endp--;
-
- /* Find the start of the dir */
- while (endp > path && *endp != '/')
- endp--;
-
- /* Either the dir is "/" or there are no slashes */
- if (endp == path) {
- path = (*endp == '/') ? "/" : ".";
- len = 1;
- goto Exit;
- }
-
- do {
- endp--;
- } while (endp > path && *endp == '/');
-
- len = endp - path +1;
-
-Exit:
- result = len;
- if (len+1 > MAXPATHLEN) {
- errno = ENAMETOOLONG;
- return -1;
- }
- if (buffer == NULL)
- return result;
-
- if (len > (int)bufflen-1) {
- len = (int)bufflen-1;
- result = -1;
- errno = ERANGE;
- }
-
- if (len >= 0) {
- memcpy( buffer, path, len );
- buffer[len] = 0;
- }
- return result;
-}