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-rw-r--r--third_party/heimdal/lib/roken/setprogname.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/roken/setprogname.c b/third_party/heimdal/lib/roken/setprogname.c
new file mode 100644
index 0000000..d24106a
--- /dev/null
+++ b/third_party/heimdal/lib/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") == 0)
+ *ext = '\0';
+
+ __progname = fn;
+ }
+#else
+
+ __progname = p;
+
+#endif
+
+#endif /* HAVE___PROGNAME */
+}
+
+#endif /* HAVE_SETPROGNAME */