php-src/TSRM/tsrm_config_common.h
2014-02-24 10:12:18 +01:00

71 lines
1.4 KiB
C

#ifndef TSRM_CONFIG_COMMON_H
#define TSRM_CONFIG_COMMON_H
#ifndef __CYGWIN__
# ifdef _WIN32
# define TSRM_WIN32
# endif
#endif
#ifdef TSRM_WIN32
# include "tsrm_config.w32.h"
#else
# include <tsrm_config.h>
# include <sys/param.h>
#endif
#if HAVE_ALLOCA_H && !defined(_ALLOCA_H)
# include <alloca.h>
#endif
/* AIX requires this to be the first thing in the file. */
#ifndef __GNUC__
# ifndef HAVE_ALLOCA_H
# ifdef _AIX
#pragma alloca
# else
# ifndef alloca /* predefined by HP cc +Olibcalls */
# ifndef NETWARE
char *alloca ();
# endif
# endif
# endif
# endif
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_LIMITS_H
#include <limits.h>
#endif
#ifndef MAXPATHLEN
# ifdef PATH_MAX
# define MAXPATHLEN PATH_MAX
# elif defined(MAX_PATH)
# define MAXPATHLEN MAX_PATH
# else
# define MAXPATHLEN 256
# endif
#endif
#if (HAVE_ALLOCA || (defined (__GNUC__) && __GNUC__ >= 2))
# define TSRM_ALLOCA_MAX_SIZE 4096
# define TSRM_ALLOCA_FLAG(name) \
int name;
# define tsrm_do_alloca_ex(size, limit, use_heap) \
((use_heap = ((size) > (limit))) ? malloc(size) : alloca(size))
# define tsrm_do_alloca(size, use_heap) \
tsrm_do_alloca_ex(size, TSRM_ALLOCA_MAX_SIZE, use_heap)
# define tsrm_free_alloca(p, use_heap) \
do { if (use_heap) free(p); } while (0)
#else
# define TSRM_ALLOCA_FLAG(name)
# define tsrm_do_alloca(p, use_heap) malloc(p)
# define tsrm_free_alloca(p, use_heap) free(p)
#endif
#endif /* TSRM_CONFIG_COMMON_H */