1 /************************************************************************** 2 * 3 * Copyright 2008 VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 /** 29 * @file 30 * Platform independent functions for string manipulation. 31 * 32 * @author Jose Fonseca <jfonseca@vmware.com> 33 */ 34 35 #ifndef U_STRING_H_ 36 #define U_STRING_H_ 37 38 #if !defined(XF86_LIBC_H) 39 #include <stdio.h> 40 #endif 41 #include <stdlib.h> 42 #include <stddef.h> 43 #include <stdarg.h> 44 #include <string.h> 45 #include <limits.h> 46 47 #include "util/macros.h" // PRINTFLIKE 48 49 50 #ifdef __cplusplus 51 extern "C" { 52 #endif 53 54 #if !defined(_GNU_SOURCE) || defined(__APPLE__) 55 56 #define strchrnul util_strchrnul 57 static inline char * util_strchrnul(const char * s,char c)58 util_strchrnul(const char *s, char c) 59 { 60 for (; *s && *s != c; ++s); 61 62 return (char *)s; 63 } 64 65 #endif 66 67 #ifdef _WIN32 68 69 #define sprintf util_sprintf 70 static inline void 71 PRINTFLIKE(2, 3) util_sprintf(char * str,const char * format,...)72 util_sprintf(char *str, const char *format, ...) 73 { 74 va_list ap; 75 va_start(ap, format); 76 vsnprintf(str, INT_MAX, format, ap); 77 va_end(ap); 78 } 79 80 #define vasprintf util_vasprintf 81 static inline int util_vasprintf(char ** ret,const char * format,va_list ap)82 util_vasprintf(char **ret, const char *format, va_list ap) 83 { 84 va_list ap_copy; 85 86 /* Compute length of output string first */ 87 va_copy(ap_copy, ap); 88 int r = vsnprintf(NULL, 0, format, ap_copy); 89 va_end(ap_copy); 90 91 if (r < 0) 92 return -1; 93 94 *ret = (char *) malloc(r + 1); 95 if (!*ret) 96 return -1; 97 98 /* Print to buffer */ 99 return vsnprintf(*ret, r + 1, format, ap); 100 } 101 102 #define asprintf util_asprintf 103 static inline int util_asprintf(char ** str,const char * fmt,...)104 util_asprintf(char **str, const char *fmt, ...) 105 { 106 int ret; 107 va_list args; 108 va_start(args, fmt); 109 ret = vasprintf(str, fmt, args); 110 va_end(args); 111 return ret; 112 } 113 114 #ifndef strcasecmp 115 #define strcasecmp stricmp 116 #endif 117 118 #define strdup _strdup 119 120 #if defined(_WIN32) && !defined(HAVE_STRTOK_R) 121 #define strtok_r strtok_s 122 #endif 123 124 #endif 125 126 127 #ifdef __cplusplus 128 } 129 #endif 130 131 #endif /* U_STRING_H_ */ 132