From 6a7420b6dc0b431a5f67aa547d8d84d1f40a6c67 Mon Sep 17 00:00:00 2001
From: Marko Kreen <markokr@gmail.com>
Date: Tue, 4 Mar 2008 11:55:55 +0000
Subject: [PATCH] detect basename() function, include small compat func if
 missing

---
 configure.ac     |  4 ++--
 include/system.h |  6 ++++++
 src/system.c     | 12 ++++++++++++
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 6036a8f..f747860 100644
--- a/configure.ac
+++ b/configure.ac
@@ -66,7 +66,7 @@ if test x"$GCC" = xyes; then
 fi
 
 dnl Checks for header files.
-AC_CHECK_HEADERS([crypt.h sys/param.h sys/socket.h])
+AC_CHECK_HEADERS([crypt.h sys/param.h sys/socket.h libgen.h])
 dnl ucred.h may have prereqs
 AC_CHECK_HEADERS([sys/ucred.h], [], [], [
 #ifdef HAVE_SYS_TYPES_H
@@ -92,7 +92,7 @@ AC_TYPE_UINT64_T
 ])
 
 dnl Checks for library functions.
-AC_CHECK_FUNCS(strlcpy strlcat getpeereid getpeerucred)
+AC_CHECK_FUNCS(strlcpy strlcat getpeereid getpeerucred basename)
 AC_SEARCH_LIBS(crypt, crypt, [], AC_MSG_ERROR([crypt not found]))
 AC_SEARCH_LIBS(clock_gettime, rt)
 
diff --git a/include/system.h b/include/system.h
index 2564302..48e45e7 100644
--- a/include/system.h
+++ b/include/system.h
@@ -53,6 +53,9 @@
 #ifdef HAVE_CRYPT_H
 #include <crypt.h>
 #endif
+#ifdef HAVE_LIBGEN_H
+#include <libgen.h>
+#endif
 
 /* how to specify array with unknown length */
 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
@@ -137,6 +140,9 @@ size_t strlcat(char *dst, const char *src, size_t n) _MUSTCHECK;
 #ifndef HAVE_GETPEEREID
 int getpeereid(int fd, uid_t *uid_p, gid_t *gid_p) _MUSTCHECK;
 #endif
+#ifndef HAVE_BASENAME
+const char *basename(const char *path);
+#endif
 
 /*
  * memcpy() optimization - improves hash.c.
diff --git a/src/system.c b/src/system.c
index 4dc1868..5107001 100644
--- a/src/system.c
+++ b/src/system.c
@@ -89,3 +89,15 @@ int getpeereid(int fd, uid_t *uid_p, gid_t *gid_p)
 }
 #endif /* !HAVE_GETPEEREID */
 
+#ifndef HAVE_BASENAME
+const char *basename(const char *path)
+{
+	const char *p;
+	if (path == NULL || path[0] == 0)
+		return ".";
+	if ((p = strrchr(path, '/')) != NULL)
+		return p[1] ? p + 1 : p;
+	return path;
+}
+#endif
+
-- 
2.39.5