+++ /dev/null
-/*
- * Copyright (C) 1994-2003, Index Data
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Id: xmalloc.c,v 1.19 2003-05-16 13:14:26 adam Exp $
- */
-
-#if HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <yaz/log.h>
-#include <yaz/xmalloc.h>
-
-#ifndef TRACE_XMALLOC
-#define TRACE_XMALLOC 1
-#endif
-
-#if TRACE_XMALLOC > 1
-
-static const unsigned char head[] = {88, 77, 66, 55, 44, 33, 22, 11};
-static const unsigned char tail[] = {11, 22, 33, 44, 55, 66, 77, 88};
-static const unsigned char freed[] = {11, 22, 33, 44, 55, 66, 77, 88};
-
-struct dmalloc_info {
- int len;
- char file[16];
- int line;
- struct dmalloc_info *next;
- struct dmalloc_info *prev;
-};
-
-struct dmalloc_info *dmalloc_list = 0;
-
-void *xmalloc_d(size_t nbytes, const char *file, int line)
-{
- char *res;
- struct dmalloc_info *dinfo;
-
- if (!(res = (char*) malloc(nbytes + sizeof(*dinfo)+16*sizeof(char))))
- return 0;
- dinfo = (struct dmalloc_info *) res;
- strncpy (dinfo->file, file, sizeof(dinfo->file)-1);
- dinfo->file[sizeof(dinfo->file)-1] = '\0';
- dinfo->line = line;
- dinfo->len = nbytes;
-
- dinfo->prev = 0;
- dinfo->next = dmalloc_list;
- if (dinfo->next)
- dinfo->next->prev = dinfo;
- dmalloc_list = dinfo;
-
- memcpy(res + sizeof(*dinfo), head, 8*sizeof(char));
- res += sizeof(*dinfo) + 8*sizeof(char);
- memcpy(res + nbytes, tail, 8*sizeof(char));
- return res;
-}
-
-void xfree_d(void *ptr, const char *file, int line)
-{
- struct dmalloc_info *dinfo;
-
- if (!ptr)
- return;
- dinfo = (struct dmalloc_info *)
- ((char*)ptr - 8*sizeof(char) - sizeof(*dinfo));
- if (memcmp(head, (char*) ptr - 8*sizeof(char), 8*sizeof(char)))
- {
- yaz_log(LOG_FATAL, "xfree_d bad head, %s:%d, %p", file, line, ptr);
- abort();
- }
- if (memcmp((char*) ptr + dinfo->len, tail, 8*sizeof(char)))
- {
- yaz_log(LOG_FATAL, "xfree_d bad tail, %s:%d, %p", file, line, ptr);
- abort();
- }
- if (dinfo->prev)
- dinfo->prev->next = dinfo->next;
- else
- dmalloc_list = dinfo->next;
- if (dinfo->next)
- dinfo->next->prev = dinfo->prev;
- memcpy ((char*) ptr - 8*sizeof(char), freed, 8*sizeof(char));
- free(dinfo);
- return;
-}
-
-void *xrealloc_d(void *p, size_t nbytes, const char *file, int line)
-{
- struct dmalloc_info *dinfo;
- char *ptr = (char*) p;
- char *res;
-
- if (!ptr)
- {
- if (!nbytes)
- return 0;
- res = (char *) malloc(nbytes + sizeof(*dinfo) + 16*sizeof(char));
- }
- else
- {
- if (memcmp(head, ptr - 8*sizeof(char), 8*sizeof(char)))
- {
- yaz_log(LOG_FATAL, "xrealloc_d bad head, %s:%d, %p",
- file, line, ptr);
- abort();
- }
- dinfo = (struct dmalloc_info *) (ptr-8*sizeof(char) - sizeof(*dinfo));
- if (memcmp(ptr + dinfo->len, tail, 8*sizeof(char)))
- {
- yaz_log(LOG_FATAL, "xrealloc_d bad tail, %s:%d, %p",
- file, line, ptr);
- abort();
- }
- if (dinfo->prev)
- dinfo->prev->next = dinfo->next;
- else
- dmalloc_list = dinfo->next;
- if (dinfo->next)
- dinfo->next->prev = dinfo->prev;
-
- if (!nbytes)
- {
- free (dinfo);
- return 0;
- }
- res = (char *)
- realloc(dinfo, nbytes + sizeof(*dinfo) + 16*sizeof(char));
- }
- if (!res)
- return 0;
- dinfo = (struct dmalloc_info *) res;
- strncpy (dinfo->file, file, sizeof(dinfo->file)-1);
- dinfo->file[sizeof(dinfo->file)-1] = '\0';
- dinfo->line = line;
- dinfo->len = nbytes;
-
- dinfo->prev = 0;
- dinfo->next = dmalloc_list;
- if (dmalloc_list)
- dmalloc_list->prev = dinfo;
- dmalloc_list = dinfo;
-
- memcpy(res + sizeof(*dinfo), head, 8*sizeof(char));
- res += sizeof(*dinfo) + 8*sizeof(char);
- memcpy(res + nbytes, tail, 8*sizeof(char));
- return res;
-}
-
-void *xcalloc_d(size_t nmemb, size_t size, const char *file, int line)
-{
- char *res;
- struct dmalloc_info *dinfo;
- size_t nbytes = nmemb * size;
-
- if (!(res = (char*) calloc(1, nbytes+sizeof(*dinfo)+16*sizeof(char))))
- return 0;
- dinfo = (struct dmalloc_info *) res;
- strncpy (dinfo->file, file, sizeof(dinfo->file)-1);
- dinfo->file[sizeof(dinfo->file)-1] = '\0';
- dinfo->line = line;
- dinfo->len = nbytes;
-
- dinfo->prev = 0;
- dinfo->next = dmalloc_list;
- if (dinfo->next)
- dinfo->next->prev = dinfo;
- dmalloc_list = dinfo;
-
- memcpy(res + sizeof(*dinfo), head, 8*sizeof(char));
- res += sizeof(*dinfo) + 8*sizeof(char);
- memcpy(res + nbytes, tail, 8*sizeof(char));
- return res;
-}
-
-void xmalloc_trav_d(const char *file, int line)
-{
- size_t size = 0;
- struct dmalloc_info *dinfo = dmalloc_list;
-
- yaz_log (LOG_MALLOC, "malloc_trav %s:%d", file, line);
- while (dinfo)
- {
- yaz_log (LOG_MALLOC, " %20s:%d p=%p size=%d", dinfo->file, dinfo->line,
- ((char*) dinfo)+sizeof(*dinfo)+8*sizeof(char), dinfo->len);
- size += dinfo->len;
- dinfo = dinfo->next;
- }
- yaz_log (LOG_MALLOC, "total bytes %ld", (long) size);
-}
-
-#else
-/* TRACE_XMALLOC <= 1 */
-#define xrealloc_d(o, x, f, l) realloc(o, x)
-#define xmalloc_d(x, f, l) malloc(x)
-#define xcalloc_d(x,y, f, l) calloc(x,y)
-#define xfree_d(x, f, l) free(x)
-#define xmalloc_trav_d(f, l)
-#endif
-
-void xmalloc_trav_f(const char *s, const char *file, int line)
-{
- xmalloc_trav_d(file, line);
-}
-
-void *xrealloc_f (void *o, size_t size, const char *file, int line)
-{
- void *p = xrealloc_d (o, size, file, line);
-
-#if TRACE_XMALLOC
- yaz_log (LOG_MALLOC,
- "%s:%d: xrealloc(s=%d) %p -> %p", file, line, size, o, p);
-#endif
- if (!p)
- {
- yaz_log (LOG_FATAL|LOG_ERRNO, "Out of memory, realloc (%d bytes)",
- size);
- exit(1);
- }
- return p;
-}
-
-void *xmalloc_f (size_t size, const char *file, int line)
-{
- void *p = xmalloc_d (size, file, line);
-
-#if TRACE_XMALLOC
- yaz_log (LOG_MALLOC, "%s:%d: xmalloc(s=%d) %p", file, line, size, p);
-#endif
- if (!p)
- {
- yaz_log (LOG_FATAL, "Out of memory - malloc (%d bytes)", size);
- exit (1);
- }
- return p;
-}
-
-void *xcalloc_f (size_t nmemb, size_t size, const char *file, int line)
-{
- void *p = xcalloc_d (nmemb, size, file, line);
-#if TRACE_XMALLOC
- yaz_log (LOG_MALLOC, "%s:%d: xcalloc(s=%d) %p", file, line, size, p);
-#endif
- if (!p)
- {
- yaz_log (LOG_FATAL, "Out of memory - calloc (%d, %d)", nmemb, size);
- exit (1);
- }
- return p;
-}
-
-char *xstrdup_f (const char *s, const char *file, int line)
-{
- char *p = (char *)xmalloc_d (strlen(s)+1, file, line);
-#if TRACE_XMALLOC
- yaz_log (LOG_MALLOC, "%s:%d: xstrdup(s=%d) %p", file, line, strlen(s)+1, p);
-#endif
- strcpy (p, s);
- return p;
-}
-
-void xfree_f(void *p, const char *file, int line)
-{
- if (!p)
- return ;
-#if TRACE_XMALLOC
- if (p)
- yaz_log (LOG_MALLOC, "%s:%d: xfree %p", file, line, p);
-#endif
- xfree_d(p, file, line);
-}
projects / yaz-moved-to-github.git / blobdiff