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- #ifndef GDHELPERS_H
- #define GDHELPERS_H 1
- #include <sys/types.h>
- #include "php.h"
- /* TBB: strtok_r is not universal; provide an implementation of it. */
- extern char *gd_strtok_r(char *s, char *sep, char **state);
- /* These functions wrap memory management. gdFree is
- in gd.h, where callers can utilize it to correctly
- free memory allocated by these functions with the
- right version of free(). */
- #define gdCalloc(nmemb, size) ecalloc(nmemb, size)
- #define gdMalloc(size) emalloc(size)
- #define gdRealloc(ptr, size) erealloc(ptr, size)
- #define gdEstrdup(ptr) estrdup(ptr)
- #define gdFree(ptr) efree(ptr)
- #define gdPMalloc(ptr) pemalloc(ptr, 1)
- #define gdPFree(ptr) pefree(ptr, 1)
- #define gdPEstrdup(ptr) pestrdup(ptr, 1)
- /* Returns nonzero if multiplying the two quantities will
- result in integer overflow. Also returns nonzero if
- either quantity is negative. By Phil Knirsch based on
- netpbm fixes by Alan Cox. */
- int overflow2(int a, int b);
- #ifdef ZTS
- #define gdMutexDeclare(x) MUTEX_T x
- #define gdMutexSetup(x) x = tsrm_mutex_alloc()
- #define gdMutexShutdown(x) tsrm_mutex_free(x)
- #define gdMutexLock(x) tsrm_mutex_lock(x)
- #define gdMutexUnlock(x) tsrm_mutex_unlock(x)
- #else
- #define gdMutexDeclare(x)
- #define gdMutexSetup(x)
- #define gdMutexShutdown(x)
- #define gdMutexLock(x)
- #define gdMutexUnlock(x)
- #endif
- #define DPCM2DPI(dpcm) (unsigned int)((dpcm)*2.54 + 0.5)
- #define DPM2DPI(dpm) (unsigned int)((dpm)*0.0254 + 0.5)
- #define DPI2DPCM(dpi) (unsigned int)((dpi)/2.54 + 0.5)
- #define DPI2DPM(dpi) (unsigned int)((dpi)/0.0254 + 0.5)
- #endif /* GDHELPERS_H */
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