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Diffstat (limited to 'devel/got/files/openbsd-compat/basename.c')
-rw-r--r--devel/got/files/openbsd-compat/basename.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/devel/got/files/openbsd-compat/basename.c b/devel/got/files/openbsd-compat/basename.c
new file mode 100644
index 000000000000..2081cb95a28b
--- /dev/null
+++ b/devel/got/files/openbsd-compat/basename.c
@@ -0,0 +1,63 @@
+/* $OpenBSD: basename.c,v 1.16 2019/01/25 00:19:25 millert Exp $ */
+
+/*
+ * Copyright (c) 1997, 2004 Todd C. Miller <millert@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <errno.h>
+#include <libgen.h>
+#include <limits.h>
+#include <string.h>
+
+char *
+basename(const char *path)
+{
+ static char bname[PATH_MAX];
+ size_t len;
+ const char *endp, *startp;
+
+ /* Empty or NULL string gets treated as "." */
+ if (path == NULL || *path == '\0') {
+ bname[0] = '.';
+ bname[1] = '\0';
+ return (bname);
+ }
+
+ /* Strip any trailing slashes */
+ endp = path + strlen(path) - 1;
+ while (endp > path && *endp == '/')
+ endp--;
+
+ /* All slashes becomes "/" */
+ if (endp == path && *endp == '/') {
+ bname[0] = '/';
+ bname[1] = '\0';
+ return (bname);
+ }
+
+ /* Find the start of the base */
+ startp = endp;
+ while (startp > path && *(startp - 1) != '/')
+ startp--;
+
+ len = endp - startp + 1;
+ if (len >= sizeof(bname)) {
+ errno = ENAMETOOLONG;
+ return (NULL);
+ }
+ memcpy(bname, startp, len);
+ bname[len] = '\0';
+ return (bname);
+}