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Edit File: gssapi_alloc.h
/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */ /* To the extent possible under law, Painless Security, LLC has waived * all copyright and related or neighboring rights to GSS-API Memory * Management Header. This work is published from: United States. */ #ifndef GSSAPI_ALLOC_H #define GSSAPI_ALLOC_H #ifdef _WIN32 #include "winbase.h" #endif #include <string.h> #if defined(_WIN32) static inline void gssalloc_free(void *value) { if (value) HeapFree(GetProcessHeap(), 0, value); } static inline void * gssalloc_malloc(size_t size) { return HeapAlloc(GetProcessHeap(), 0, size); } static inline void * gssalloc_calloc(size_t count, size_t size) { return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, count * size); } static inline void * gssalloc_realloc(void *value, size_t size) { /* Unlike realloc(), HeapReAlloc() does not work on null values. */ if (value == NULL) return HeapAlloc(GetProcessHeap(), 0, size); return HeapReAlloc(GetProcessHeap(), 0, value, size); } #elif defined(DEBUG_GSSALLOC) /* Be deliberately incompatible with malloc and free, to allow us to detect * mismatched malloc/gssalloc usage on Unix. */ static inline void gssalloc_free(void *value) { char *p = (char *)value - 8; if (value == NULL) return; if (memcmp(p, "gssalloc", 8) != 0) abort(); free(p); } static inline void * gssalloc_malloc(size_t size) { char *p = calloc(size + 8, 1); memcpy(p, "gssalloc", 8); return p + 8; } static inline void * gssalloc_calloc(size_t count, size_t size) { return gssalloc_malloc(count * size); } static inline void * gssalloc_realloc(void *value, size_t size) { char *p = (char *)value - 8; if (value == NULL) return gssalloc_malloc(size); if (memcmp(p, "gssalloc", 8) != 0) abort(); return (char *)realloc(p, size + 8) + 8; } #else /* not _WIN32 or DEBUG_GSSALLOC */ /* Normal Unix case, just use free/malloc/calloc/realloc. */ static inline void gssalloc_free(void *value) { free(value); } static inline void * gssalloc_malloc(size_t size) { return malloc(size); } static inline void * gssalloc_calloc(size_t count, size_t size) { return calloc(count, size); } static inline void * gssalloc_realloc(void *value, size_t size) { return realloc(value, size); } #endif /* not _WIN32 or DEBUG_GSSALLOC */ static inline char * gssalloc_strdup(const char *str) { size_t size = strlen(str)+1; char *copy = gssalloc_malloc(size); if (copy) { memcpy(copy, str, size); copy[size-1] = '\0'; } return copy; } #endif