+++ /dev/null
-/******************************************************************************/
-/* pfixtools: a collection of postfix related tools */
-/* ~~~~~~~~~ */
-/* ________________________________________________________________________ */
-/* */
-/* Redistribution and use in source and binary forms, with or without */
-/* modification, are permitted provided that the following conditions */
-/* are met: */
-/* */
-/* 1. Redistributions of source code must retain the above copyright */
-/* notice, this list of conditions and the following disclaimer. */
-/* 2. Redistributions in binary form must reproduce the above copyright */
-/* notice, this list of conditions and the following disclaimer in the */
-/* documentation and/or other materials provided with the distribution. */
-/* 3. The names of its contributors may not be used to endorse or promote */
-/* products derived from this software without specific prior written */
-/* permission. */
-/* */
-/* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND */
-/* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE */
-/* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR */
-/* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS */
-/* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR */
-/* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF */
-/* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS */
-/* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN */
-/* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) */
-/* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF */
-/* THE POSSIBILITY OF SUCH DAMAGE. */
-/******************************************************************************/
-
-/*
- * Copyright © 2006 Pierre Habouzit
- */
-
-#ifndef PFIXTOOLS_MEM_H
-#define PFIXTOOLS_MEM_H
-
-#include <assert.h>
-#include <ctype.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define MIN(a, b) ((a) < (b) ? (a) : (b))
-#define MAX(a, b) ((a) > (b) ? (a) : (b))
-
-#define ssizeof(foo) (ssize_t)sizeof(foo)
-#define countof(foo) (ssizeof(foo) / ssizeof(foo[0]))
-
-#define p_new(type, count) ((type *)xmalloc(sizeof(type) * (count)))
-#define p_clear(p, count) ((void)memset((p), 0, sizeof(*(p)) * (count)))
-#define p_dup(p, count) xmemdup((p), sizeof(*(p)) * (count))
-#define p_dupstr(p, len) xmemdupstr((p), (len))
-#define p_realloc(pp, count) xrealloc((void*)(pp), sizeof(**(pp)) * (count))
-
-# define p_alloc_nr(x) (((x) + 16) * 3 / 2)
-# define p_allocgrow(pp, goalnb, allocnb) \
- do { \
- if ((goalnb) > *(allocnb)) { \
- if (p_alloc_nr(goalnb) > *(allocnb)) { \
- *(allocnb) = (goalnb); \
- } else { \
- *(allocnb) = p_alloc_nr(goalnb); \
- } \
- p_realloc(pp, *(allocnb)); \
- } \
- } while (0)
-
-#ifdef __GNUC__
-
-# define p_delete(mem_pp) \
- do { \
- typeof(**(mem_pp)) **__ptr = (mem_pp); \
- free(*__ptr); \
- *__ptr = NULL; \
- } while(0)
-
-#else
-
-# define p_delete(mem_p) \
- do { \
- void *__ptr = (mem_p); \
- free(*__ptr); \
- *(void **)__ptr = NULL; \
- } while (0)
-
-#endif
-
-static inline void *xmalloc(ssize_t size) {
- void *mem;
-
- if (size <= 0)
- return NULL;
-
- mem = calloc(size, 1);
- if (!mem)
- abort();
- return mem;
-}
-
-static inline void xmemfree(void **ptr) {
- p_delete(ptr);
-}
-
-static inline void xrealloc(void **ptr, ssize_t newsize) {
- if (newsize <= 0) {
- p_delete(ptr);
- } else {
- *ptr = realloc(*ptr, newsize);
- if (!*ptr)
- abort();
- }
-}
-
-static inline void *xmemdup(const void *src, ssize_t size) {
- return memcpy(xmalloc(size), src, size);
-}
-
-static inline void *xmemdupstr(const void *src, ssize_t len) {
- char *res = memcpy(xmalloc(len + 1), src, len);
- res[len] = '\0';
- return res;
-}
-
-
-#define DO_INIT(type, prefix) \
- static inline type * prefix##_init(type *var) { \
- p_clear(var, 1); \
- return var; \
- }
-#define DO_WIPE(type, prefix) \
- static inline void prefix##_wipe(type *var __attribute__((unused))) { }
-
-#define DO_NEW(type, prefix) \
- static inline type * prefix##_new(void) { \
- return prefix##_init(p_new(type, 1)); \
- }
-#define DO_DELETE(type, prefix) \
- static inline void __attribute__((nonnull)) \
- prefix##_delete(type **var) { \
- if (*var) { \
- prefix##_wipe(*var); \
- p_delete(var); \
- } \
- }
-
-#endif /* PFIXTOOLS_MEM_H */
projects / apps / pfixtools.git / blobdiff