git.sur5r.net Git - cc65/blob - src/ca65/mem.c

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                   mem.c                                   */
   4 /*                                                                           */
   5 /*               Memory allocation for the ca65 macroassembler               */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 1998     Ullrich von Bassewitz                                        */
  10 /*              Wacholderweg 14                                              */
  11 /*              D-70597 Stuttgart                                            */
  12 /* EMail:       uz@musoftware.de                                             */
  13 /*                                                                           */
  14 /*                                                                           */
  15 /* This software is provided 'as-is', without any expressed or implied       */
  16 /* warranty.  In no event will the authors be held liable for any damages    */
  17 /* arising from the use of this software.                                    */
  18 /*                                                                           */
  19 /* Permission is granted to anyone to use this software for any purpose,     */
  20 /* including commercial applications, and to alter it and redistribute it    */
  21 /* freely, subject to the following restrictions:                            */
  22 /*                                                                           */
  23 /* 1. The origin of this software must not be misrepresented; you must not   */
  24 /*    claim that you wrote the original software. If you use this software   */
  25 /*    in a product, an acknowledgment in the product documentation would be  */
  26 /*    appreciated but is not required.                                       */
  27 /* 2. Altered source versions must be plainly marked as such, and must not   */
  28 /*    be misrepresented as being the original software.                      */
  29 /* 3. This notice may not be removed or altered from any source              */
  30 /*    distribution.                                                          */
  31 /*                                                                           */
  32 /*****************************************************************************/
  33
  34
  35
  36 #include <stdlib.h>
  37 #include <string.h>
  38
  39 #include "error.h"
  40 #include "mem.h"
  41
  42
  43
  44 /*****************************************************************************/
  45 /*                                   code                                    */
  46 /*****************************************************************************/
  47
  48
  49
  50 void* Xmalloc (size_t size)
  51 /* Allocate memory, check for out of memory condition. Do some debugging */
  52 {
  53     void* p;
  54
  55     p = malloc (size);
  56     if (p == 0 && size != 0) {
  57         Fatal (FAT_OUT_OF_MEMORY);
  58     }
  59
  60     /* Return a pointer to the block */
  61     return p;
  62 }
  63
  64
  65
  66 void Xfree (const void* block)
  67 /* Free the block, do some debugging */
  68 {
  69     free ((void*) block);
  70 }
  71
  72
  73
  74 char* StrDup (const char* s)
  75 /* Duplicate a string on the heap. The function checks for out of memory */
  76 {
  77     unsigned len;
  78
  79     len = strlen (s) + 1;
  80     return memcpy (Xmalloc (len), s, len);
  81 }
  82
  83
  84