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 #define DPCM2DPI(dpcm) (unsigned int)((dpcm)*2.54 + 0.5) 46 #define DPM2DPI(dpm) (unsigned int)((dpm)*0.0254 + 0.5) 47 #define DPI2DPCM(dpi) (unsigned int)((dpi)/2.54 + 0.5) 48 #define DPI2DPM(dpi) (unsigned int)((dpi)/0.0254 + 0.5) 49 50 #endif /* GDHELPERS_H */ 51 52
