diff options
| -rw-r--r-- | zone.h | 22 |
1 files changed, 18 insertions, 4 deletions
@@ -3,6 +3,9 @@ #include <stdint.h> +#define ZONE_USE_MALLOC 0 +#define ZONE_USE_MMAP 1 + typedef struct ZoneFrame ZoneFrame; struct ZoneFrame { ZoneFrame *prev, *next; @@ -32,11 +35,20 @@ char *zn_strdup(Zone *z, const char *s); #ifdef ZONE_IMPL #include <stdio.h> +#include <stdlib.h> #include <string.h> #include "zone.h" -#if defined(ZONE_USE_MMAP) +#ifndef ZONE_BACKEND + #ifdef __unix__ + #define ZONE_BACKEND ZONE_USE_MMAP + #else + #define ZONE_BACKEND ZONE_USE_MALLOC + #endif +#endif + +#if ZONE_BACKEND == ZONE_USE_MMAP #include <sys/mman.h> #include <unistd.h> @@ -54,9 +66,7 @@ char *zn_strdup(Zone *z, const char *s); munmap(zf, sizeof *zf + zf->capacity * sizeof(uintptr_t)); } -#else - - #include <stdlib.h> +#elif ZONE_BACKEND == ZONE_USE_MALLOC #define ZONE_CAPACITY 1024 static ZoneFrame *zn_zf_allocate(size_t capacity) { @@ -71,6 +81,10 @@ char *zn_strdup(Zone *z, const char *s); free(zf); } +#else + + #error "unknown or unsupported zone backend" + #endif static ZoneFrame *zn_zf_new(size_t capacity) { |