1 /*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel (at) haxx.se>, et al. 9 * 10 * This software is licensed as described in the file COPYING, which 11 * you should have received as part of this distribution. The terms 12 * are also available at http://curl.haxx.se/docs/copyright.html. 13 * 14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 15 * copies of the Software, and permit persons to whom the Software is 16 * furnished to do so, under the terms of the COPYING file. 17 * 18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 19 * KIND, either express or implied. 20 * 21 ***************************************************************************/ 22 #include "curl_setup.h" 23 #include "strdup.h" 24 #include "curl_memory.h" 25 26 /* The last #include file should be: */ 27 #include "memdebug.h" 28 29 #ifndef HAVE_STRDUP 30 char *curlx_strdup(const char *str) 31 { 32 size_t len; 33 char *newstr; 34 35 if(!str) 36 return (char *)NULL; 37 38 len = strlen(str); 39 40 if(len >= ((size_t)-1) / sizeof(char)) 41 return (char *)NULL; 42 43 newstr = malloc((len+1)*sizeof(char)); 44 if(!newstr) 45 return (char *)NULL; 46 47 memcpy(newstr, str, (len+1)*sizeof(char)); 48 49 return newstr; 50 51 } 52 #endif 53 54 /*************************************************************************** 55 * 56 * Curl_memdup(source, length) 57 * 58 * Copies the 'source' data to a newly allocated buffer (that is 59 * returned). Copies 'length' bytes. 60 * 61 * Returns the new pointer or NULL on failure. 62 * 63 ***************************************************************************/ 64 char *Curl_memdup(const char *src, size_t length) 65 { 66 char *buffer = malloc(length); 67 if(!buffer) 68 return NULL; /* fail */ 69 70 memcpy(buffer, src, length); 71 72 return buffer; 73 } 74