1 /* 2 * Copyright (c) 1995-2004 Kungliga Tekniska Högskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <config.h> 35 36 #include "roken.h" 37 38 #ifndef HAVE___PROGNAME 39 extern const char *__progname; 40 #endif 41 42 #ifndef HAVE_SETPROGNAME 43 44 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL 45 setprogname(const char *argv0) 46 { 47 48 #ifndef HAVE___PROGNAME 49 50 const char *p; 51 if(argv0 == NULL) 52 return; 53 p = strrchr(argv0, '/'); 54 55 #ifdef BACKSLASH_PATH_DELIM 56 { 57 const char * pb; 58 59 pb = strrchr((p != NULL)? p : argv0, '\\'); 60 if (pb != NULL) 61 p = pb; 62 } 63 #endif 64 65 if(p == NULL) 66 p = argv0; 67 else 68 p++; 69 70 #ifdef _WIN32 71 { 72 char * fn = strdup(p); 73 char * ext; 74 75 strlwr(fn); 76 ext = strrchr(fn, '.'); 77 if (ext != NULL && !strcmp(ext, ".exe")) 78 *ext = '\0'; 79 80 __progname = fn; 81 } 82 #else 83 84 __progname = p; 85 86 #endif 87 88 #endif /* HAVE___PROGNAME */ 89 } 90 91 #endif /* HAVE_SETPROGNAME */ 92