/crypto/heimdal/lib/roken/setprogname.c
https://bitbucket.org/freebsd/freebsd-head/ · C · 91 lines · 42 code · 17 blank · 32 comment · 10 complexity · 66e14d5753d37da00be56477e2376fef MD5 · raw file
- /*
- * Copyright (c) 1995-2004 Kungliga Tekniska Hรถgskolan
- * (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 */