Add compat implementation of basename()

For Win32 and older unixes

3 files changed, 71 insertions, 2 deletions

diff --git a/common/compat.c b/common/compat.c
index 59aaa00..33e608f 100644
--- a/common/compat.c
+++ b/common/compat.c
@@ -41,6 +41,42 @@
 #include <stdlib.h>
 #include <string.h>
 
+/*-
+ * Portions of this file are covered by the following copyright:
+ *
+ * Copyright (c) 2001 Mike Barcroft <mike@FreeBSD.org>
+ * Copyright (c) 1990, 1993
+ * Copyright (c) 1987, 1993
+ *      The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Chris Torek.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ */
+
 #ifndef HAVE_GETPROGNAME
 
 #ifdef OS_UNIX
@@ -112,6 +148,32 @@ getprogname (void)
 
 #endif /* HAVE_GETPROGNAME */
 
+#ifndef HAVE_BASENAME
+
+char *
+basename (const char *name)
+{
+	char *p;
+#ifdef OS_WIN32
+	char *p2;
+#endif
+
+	if (!name || name[0] == '\0')
+		return ".";
+
+	p = strrchr (name, '/');
+#ifdef OS_WIN32
+	p2 = strrchr (name, '\\');
+	if (p2 > p)
+		p = p2;
+#endif
+	if (p != NULL)
+		return p + 1;
+	return (char *)name;
+}
+
+#endif /* HAVE_BASENAME */
+
 #ifdef OS_UNIX
 
 void
diff --git a/common/compat.h b/common/compat.h
index 48d97b3..1b74a35 100644
--- a/common/compat.h
+++ b/common/compat.h
@@ -68,6 +68,12 @@
 const char * getprogname (void);
 #endif
 
+#ifndef HAVE_BASENAME
+
+char *       basename    (const char *name);
+
+#endif /* HAVE_BASENAME */
+
 /* -----------------------------------------------------------------------------
  * WIN32
  */
diff --git a/configure.ac b/configure.ac
index e843dfa..ef6f06f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -72,9 +72,10 @@ if test "$os_unix" = "yes"; then
 		[AC_MSG_ERROR([could not find dlopen])])
 	AC_SEARCH_LIBS([nanosleep], [rt], [],
 		[AC_MSG_ERROR([could not find nanosleep])])
+
+	# These are thngs we can work around
 	AC_CHECK_MEMBERS([struct dirent.d_type],,,[#include <dirent.h>])
-	AC_CHECK_FUNCS([getprogname getexecname memdup])
-	AC_CHECK_FUNCS([getprogname getexecname strnstr memdup])
+	AC_CHECK_FUNCS([getprogname getexecname basename mkstemp mkdtemp])
 
 	# Check if these are declared and/or available to link against
 	AC_CHECK_DECLS([program_invocation_short_name])