Import of code from heimdal

This commit updates the code imported from heimdal to
ee7340860a22f81fb869cc431efc1fd4e5c77d34 (switch-from-svn-to-git-2542-gee73408)

New files are:
	roken/setprogname.c

Change-Id: I4e6bbe0b76f6a79035937c1eb830008c972f1db4
Reviewed-on: http://gerrit.openafs.org/7249
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Reviewed-by: Derrick Brashear <shadow@dementix.org>

diff --git a/src/external/heimdal/roken/setprogname.c b/src/external/heimdal/roken/setprogname.c
new file mode 100644 (file)
index 0000000..88a5f9b
--- /dev/null
+++ b/src/external/heimdal/roken/setprogname.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 1995-2004 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
+ */
+
+#include <config.h>
+
+#include "roken.h"
+
+#ifndef HAVE___PROGNAME
+extern const char *__progname;
+#endif
+
+#ifndef HAVE_SETPROGNAME
+
+ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
+setprogname(const char *argv0)
+{
+
+#ifndef HAVE___PROGNAME
+
+    const char *p;
+    if(argv0 == NULL)
+       return;
+    p = strrchr(argv0, '/');
+
+#ifdef BACKSLASH_PATH_DELIM
+    {
+        const char * pb;
+
+        pb = strrchr((p != NULL)? p : argv0, '\\');
+        if (pb != NULL)
+            p = pb;
+    }
+#endif
+
+    if(p == NULL)
+       p = argv0;
+    else
+       p++;
+
+#ifdef _WIN32
+    {
+        char * fn = strdup(p);
+        char * ext;
+
+        strlwr(fn);
+        ext = strrchr(fn, '.');
+        if (ext != NULL && !strcmp(ext, ".exe"))
+            *ext = '\0';
+
+        __progname = fn;
+    }
+#else
+
+    __progname = p;
+
+#endif
+
+#endif  /* HAVE___PROGNAME */
+}
+
+#endif /* HAVE_SETPROGNAME */