Import of GNU patch version 2.4.

1 files changed, 32 insertions, 0 deletions

diff --git a/contrib/patch/basename.c b/contrib/patch/basename.c
new file mode 100644
index 0000000..8d18a8f
--- /dev/null
+++ b/contrib/patch/basename.c
@@ -0,0 +1,32 @@
+/* basename.c -- return the last element in a path */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <backupfile.h>
+
+#ifndef FILESYSTEM_PREFIX_LEN
+#define FILESYSTEM_PREFIX_LEN(f) 0
+#endif
+
+#ifndef ISSLASH
+#define ISSLASH(c) ((c) == '/')
+#endif
+
+/* In general, we can't use the builtin `basename' function if available,
+   since it has different meanings in different environments.
+   In some environments the builtin `basename' modifies its argument.  */
+
+char *
+base_name (name)
+     char const *name;
+{
+  char const *base = name += FILESYSTEM_PREFIX_LEN (name);
+
+  for (; *name; name++)
+    if (ISSLASH (*name))
+      base = name + 1;
+
+  return (char *) base;
+}