root/ext/gd/libgd/gdhelpers.h

INCLUDED FROM

   1 #ifndef GDHELPERS_H
   2 #define GDHELPERS_H 1
   3 
   4 #include <sys/types.h>
   5 #include "php.h"
   6 
   7 /* TBB: strtok_r is not universal; provide an implementation of it. */
   8 
   9 extern char *gd_strtok_r(char *s, char *sep, char **state);
  10 
  11 /* These functions wrap memory management. gdFree is
  12         in gd.h, where callers can utilize it to correctly
  13         free memory allocated by these functions with the
  14         right version of free(). */
  15 #define gdCalloc(nmemb, size)   ecalloc(nmemb, size)
  16 #define gdMalloc(size)          emalloc(size)
  17 #define gdRealloc(ptr, size)    erealloc(ptr, size)
  18 #define gdEstrdup(ptr)          estrdup(ptr)
  19 #define gdFree(ptr)             efree(ptr)
  20 #define gdPMalloc(ptr)          pemalloc(ptr, 1)
  21 #define gdPFree(ptr)            pefree(ptr, 1)
  22 #define gdPEstrdup(ptr)         pestrdup(ptr, 1)
  23 
  24 /* Returns nonzero if multiplying the two quantities will
  25         result in integer overflow. Also returns nonzero if
  26         either quantity is negative. By Phil Knirsch based on
  27         netpbm fixes by Alan Cox. */
  28 
  29 int overflow2(int a, int b);
  30 
  31 #ifdef ZTS
  32 #define gdMutexDeclare(x) MUTEX_T x
  33 #define gdMutexSetup(x) x = tsrm_mutex_alloc()
  34 #define gdMutexShutdown(x) tsrm_mutex_free(x)
  35 #define gdMutexLock(x) tsrm_mutex_lock(x)
  36 #define gdMutexUnlock(x) tsrm_mutex_unlock(x)
  37 #else
  38 #define gdMutexDeclare(x)
  39 #define gdMutexSetup(x)
  40 #define gdMutexShutdown(x)
  41 #define gdMutexLock(x)
  42 #define gdMutexUnlock(x)
  43 #endif
  44 
  45 #endif /* GDHELPERS_H */
  46