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authorPeter S. Mazinger <ps.m@gmx.net>2006-01-03 14:50:18 +0000
committerPeter S. Mazinger <ps.m@gmx.net>2006-01-03 14:50:18 +0000
commit167d5e33fcb821e51e2f9dcf460591737c3c7972 (patch)
tree79acefdd8c9781098adbf77278415eda6365fd3d /libc/string/dirname.c
parentfe68563b9a070fedf117c8738652587945427bb3 (diff)
Complete split of all the string functions. Hope haven't broken too much. wcscoll/strcoll needs some love ...
Diffstat (limited to 'libc/string/dirname.c')
-rw-r--r--libc/string/dirname.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/libc/string/dirname.c b/libc/string/dirname.c
new file mode 100644
index 000000000..a6242e238
--- /dev/null
+++ b/libc/string/dirname.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2002 Manuel Novoa III
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include "_string.h"
+
+char *dirname(char *path)
+{
+ static const char null_or_empty_or_noslash[] = ".";
+ register char *s;
+ register char *last;
+ char *first;
+
+ last = s = path;
+
+ if (s != NULL) {
+
+ LOOP:
+ while (*s && (*s != '/')) ++s;
+ first = s;
+ while (*s == '/') ++s;
+ if (*s) {
+ last = first;
+ goto LOOP;
+ }
+
+ if (last == path) {
+ if (*last != '/') {
+ goto DOT;
+ }
+ if ((*++last == '/') && (last[1] == 0)) {
+ ++last;
+ }
+ }
+ *last = 0;
+ return path;
+ }
+ DOT:
+ return (char *) null_or_empty_or_noslash;
+}