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-rw-r--r--bundle/libxml/xmlmemory.c777
1 files changed, 0 insertions, 777 deletions
diff --git a/bundle/libxml/xmlmemory.c b/bundle/libxml/xmlmemory.c
deleted file mode 100644
index 2add3a321d..0000000000
--- a/bundle/libxml/xmlmemory.c
+++ /dev/null
@@ -1,777 +0,0 @@
-/*
- * xmlmemory.c: libxml memory allocator wrapper.
- *
- * daniel@veillard.com
- */
-
-#define IN_LIBXML
-#include "libxml.h"
-
-#include <string.h>
-
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-
-#ifdef HAVE_TIME_H
-#include <time.h>
-#endif
-
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#else
-#ifdef HAVE_MALLOC_H
-#include <malloc.h>
-#endif
-#endif
-
-#ifdef HAVE_CTYPE_H
-#include <ctype.h>
-#endif
-
-/**
- * MEM_LIST:
- *
- * keep track of all allocated blocks for error reporting
- * Always build the memory list !
- */
-#if DEBUG && !defined(MEMLIST)
-#define MEM_LIST /* keep a list of all the allocated memory blocks */
-#else
-#undef MEM_LIST
-#endif
-
-#include <libxml/xmlmemory.h>
-#include <libxml/globals.h>
-#include <libxml/xmlerror.h>
-
-void xmlMallocBreakpoint(void);
-void * xmlMemMalloc(size_t size);
-void * xmlMemRealloc(void *ptr,size_t size);
-void xmlMemFree(void *ptr);
-char * xmlMemoryStrdup(const char *str);
-
-/************************************************************************
- * *
- * Macros, variables and associated types *
- * *
- ************************************************************************/
-
-
-#ifdef xmlMalloc
-#undef xmlMalloc
-#endif
-#ifdef xmlRealloc
-#undef xmlRealloc
-#endif
-#ifdef xmlMemStrdup
-#undef xmlMemStrdup
-#endif
-
-
-/*
- * Each of the blocks allocated begin with a header containing informations
- */
-
-#define MEMTAG 0x5aa5
-
-#define MALLOC_TYPE 1
-#define REALLOC_TYPE 2
-#define STRDUP_TYPE 3
-
-typedef struct memnod {
- unsigned int mh_tag;
- unsigned int mh_type;
- unsigned long mh_number;
- size_t mh_size;
-#ifdef MEM_LIST
- struct memnod *mh_next;
- struct memnod *mh_prev;
-#endif
- const char *mh_file;
- unsigned int mh_line;
-} MEMHDR;
-
-
-#ifdef SUN4
-#define ALIGN_SIZE 16
-#else
-#define ALIGN_SIZE sizeof(double)
-#endif
-#define HDR_SIZE sizeof(MEMHDR)
-#define RESERVE_SIZE (((HDR_SIZE + (ALIGN_SIZE-1)) \
- / ALIGN_SIZE ) * ALIGN_SIZE)
-
-
-#define CLIENT_2_HDR(a) ((MEMHDR *) (((char *) (a)) - RESERVE_SIZE))
-#define HDR_2_CLIENT(a) ((void *) (((char *) (a)) + RESERVE_SIZE))
-
-
-static unsigned long debugMemSize = 0;
-static unsigned long debugMaxMemSize = 0;
-static int block=0;
-static int xmlMemStopAtBlock = 0;
-static void *xmlMemTraceBlockAt = NULL;
-static int xmlMemInitialized = 0;
-#ifdef MEM_LIST
-static MEMHDR *memlist = NULL;
-#endif
-
-static void debugmem_tag_error(void *addr);
-#ifdef MEM_LIST
-static void debugmem_list_add(MEMHDR *);
-static void debugmem_list_delete(MEMHDR *);
-#endif
-#define Mem_Tag_Err(a) debugmem_tag_error(a);
-
-#ifndef TEST_POINT
-#define TEST_POINT
-#endif
-
-/**
- * xmlMallocBreakpoint:
- *
- * Breakpoint to use in conjunction with xmlMemStopAtBlock. When the block
- * number reaches the specified value this function is called. One need to add a breakpoint
- * to it to get the context in which the given block is allocated.
- */
-
-void
-xmlMallocBreakpoint(void) {
- xmlGenericError(xmlGenericErrorContext,
- "xmlMallocBreakpoint reached on block %d\n", xmlMemStopAtBlock);
-}
-
-/**
- * xmlMallocLoc:
- * @size: an int specifying the size in byte to allocate.
- * @file: the file name or NULL
- * @line: the line number
- *
- * a malloc() equivalent, with logging of the allocation info.
- *
- * Returns a pointer to the allocated area or NULL in case of lack of memory.
- */
-
-void *
-xmlMallocLoc(size_t size, const char * file, int line)
-{
- MEMHDR *p;
- void *ret;
-
- if (!xmlMemInitialized) xmlInitMemory();
-#ifdef DEBUG_MEMORY
- xmlGenericError(xmlGenericErrorContext,
- "Malloc(%d)\n",size);
-#endif
-
- TEST_POINT
-
- p = (MEMHDR *) malloc(RESERVE_SIZE+size);
-
- if (!p) {
- xmlGenericError(xmlGenericErrorContext,
- "xmlMallocLoc : Out of free space\n");
- xmlMemoryDump();
- return(NULL);
- }
- p->mh_tag = MEMTAG;
- p->mh_number = ++block;
- p->mh_size = size;
- p->mh_type = MALLOC_TYPE;
- p->mh_file = file;
- p->mh_line = line;
- debugMemSize += size;
- if (debugMemSize > debugMaxMemSize) debugMaxMemSize = debugMemSize;
-#ifdef MEM_LIST
- debugmem_list_add(p);
-#endif
-
-#ifdef DEBUG_MEMORY
- xmlGenericError(xmlGenericErrorContext,
- "Malloc(%d) Ok\n",size);
-#endif
-
- if (xmlMemStopAtBlock == block) xmlMallocBreakpoint();
-
- ret = HDR_2_CLIENT(p);
-
- if (xmlMemTraceBlockAt == ret) {
- xmlGenericError(xmlGenericErrorContext,
- "%p : Malloc(%d) Ok\n", xmlMemTraceBlockAt, size);
- xmlMallocBreakpoint();
- }
-
- TEST_POINT
-
- return(ret);
-}
-
-/**
- * xmlMemMalloc:
- * @size: an int specifying the size in byte to allocate.
- *
- * a malloc() equivalent, with logging of the allocation info.
- *
- * Returns a pointer to the allocated area or NULL in case of lack of memory.
- */
-
-void *
-xmlMemMalloc(size_t size)
-{
- return(xmlMallocLoc(size, "none", 0));
-}
-
-/**
- * xmlReallocLoc:
- * @ptr: the initial memory block pointer
- * @size: an int specifying the size in byte to allocate.
- * @file: the file name or NULL
- * @line: the line number
- *
- * a realloc() equivalent, with logging of the allocation info.
- *
- * Returns a pointer to the allocated area or NULL in case of lack of memory.
- */
-
-void *
-xmlReallocLoc(void *ptr,size_t size, const char * file, int line)
-{
- MEMHDR *p;
- unsigned long number;
-
- if (!xmlMemInitialized) xmlInitMemory();
- TEST_POINT
-
- p = CLIENT_2_HDR(ptr);
- number = p->mh_number;
- if (p->mh_tag != MEMTAG) {
- Mem_Tag_Err(p);
- goto error;
- }
- p->mh_tag = ~MEMTAG;
- debugMemSize -= p->mh_size;
-#ifdef MEM_LIST
- debugmem_list_delete(p);
-#endif
-
- p = (MEMHDR *) realloc(p,RESERVE_SIZE+size);
- if (!p) {
- goto error;
- }
- if (xmlMemTraceBlockAt == ptr) {
- xmlGenericError(xmlGenericErrorContext,
- "%p : Realloced(%d -> %d) Ok\n",
- xmlMemTraceBlockAt, p->mh_size, size);
- xmlMallocBreakpoint();
- }
- p->mh_tag = MEMTAG;
- p->mh_number = number;
- p->mh_type = REALLOC_TYPE;
- p->mh_size = size;
- p->mh_file = file;
- p->mh_line = line;
- debugMemSize += size;
- if (debugMemSize > debugMaxMemSize) debugMaxMemSize = debugMemSize;
-#ifdef MEM_LIST
- debugmem_list_add(p);
-#endif
-
- TEST_POINT
-
- return(HDR_2_CLIENT(p));
-
-error:
- return(NULL);
-}
-
-/**
- * xmlMemRealloc:
- * @ptr: the initial memory block pointer
- * @size: an int specifying the size in byte to allocate.
- *
- * a realloc() equivalent, with logging of the allocation info.
- *
- * Returns a pointer to the allocated area or NULL in case of lack of memory.
- */
-
-void *
-xmlMemRealloc(void *ptr,size_t size) {
- return(xmlReallocLoc(ptr, size, "none", 0));
-}
-
-/**
- * xmlMemFree:
- * @ptr: the memory block pointer
- *
- * a free() equivalent, with error checking.
- */
-void
-xmlMemFree(void *ptr)
-{
- MEMHDR *p;
- char *target;
-
- if (ptr == (void *) -1) {
- xmlGenericError(xmlGenericErrorContext,
- "trying to free pointer from freed area\n");
- goto error;
- }
-
- if (xmlMemTraceBlockAt == ptr) {
- xmlGenericError(xmlGenericErrorContext,
- "%p : Freed()\n", xmlMemTraceBlockAt);
- xmlMallocBreakpoint();
- }
-
- TEST_POINT
-
- target = (char *) ptr;
-
- p = CLIENT_2_HDR(ptr);
- if (p->mh_tag != MEMTAG) {
- Mem_Tag_Err(p);
- goto error;
- }
- p->mh_tag = ~MEMTAG;
- debugMemSize -= p->mh_size;
- memset(target, -1, p->mh_size);
-
-#ifdef MEM_LIST
- debugmem_list_delete(p);
-#endif
- free(p);
-
- TEST_POINT
-
- return;
-
-error:
- xmlGenericError(xmlGenericErrorContext,
- "xmlMemFree(%lX) error\n", (unsigned long) ptr);
- xmlMallocBreakpoint();
- return;
-}
-
-/**
- * xmlMemStrdupLoc:
- * @str: the initial string pointer
- * @file: the file name or NULL
- * @line: the line number
- *
- * a strdup() equivalent, with logging of the allocation info.
- *
- * Returns a pointer to the new string or NULL if allocation error occurred.
- */
-
-char *
-xmlMemStrdupLoc(const char *str, const char *file, int line)
-{
- char *s;
- size_t size = strlen(str) + 1;
- MEMHDR *p;
-
- if (!xmlMemInitialized) xmlInitMemory();
- TEST_POINT
-
- p = (MEMHDR *) malloc(RESERVE_SIZE+size);
- if (!p) {
- goto error;
- }
- p->mh_tag = MEMTAG;
- p->mh_number = ++block;
- p->mh_size = size;
- p->mh_type = STRDUP_TYPE;
- p->mh_file = file;
- p->mh_line = line;
- debugMemSize += size;
- if (debugMemSize > debugMaxMemSize) debugMaxMemSize = debugMemSize;
-#ifdef MEM_LIST
- debugmem_list_add(p);
-#endif
- s = (char *) HDR_2_CLIENT(p);
-
- if (xmlMemStopAtBlock == block) xmlMallocBreakpoint();
-
- if (s != NULL)
- strcpy(s,str);
- else
- goto error;
-
- TEST_POINT
-
- if (xmlMemTraceBlockAt == s) {
- xmlGenericError(xmlGenericErrorContext,
- "%p : Strdup() Ok\n", xmlMemTraceBlockAt);
- xmlMallocBreakpoint();
- }
-
- return(s);
-
-error:
- return(NULL);
-}
-
-/**
- * xmlMemoryStrdup:
- * @str: the initial string pointer
- *
- * a strdup() equivalent, with logging of the allocation info.
- *
- * Returns a pointer to the new string or NULL if allocation error occurred.
- */
-
-char *
-xmlMemoryStrdup(const char *str) {
- return(xmlMemStrdupLoc(str, "none", 0));
-}
-
-/**
- * xmlMemUsed:
- *
- * Provides the amount of memory currently allocated
- *
- * Returns an int representing the amount of memory allocated.
- */
-
-int
-xmlMemUsed(void) {
- return(debugMemSize);
-}
-
-#ifdef MEM_LIST
-/**
- * xmlMemContentShow:
- * @fp: a FILE descriptor used as the output file
- * @p: a memory block header
- *
- * tries to show some content from the memory block
- */
-
-static void
-xmlMemContentShow(FILE *fp, MEMHDR *p)
-{
- int i,j,len = p->mh_size;
- const char *buf = (const char *) HDR_2_CLIENT(p);
-
- if (p == NULL) {
- fprintf(fp, " NULL");
- return;
- }
-
- for (i = 0;i < len;i++) {
- if (buf[i] == 0) break;
- if (!isprint((unsigned char) buf[i])) break;
- }
- if ((i < 4) && ((buf[i] != 0) || (i == 0))) {
- if (len >= 4) {
- MEMHDR *q;
- void *cur;
-
- for (j = 0;j < len -3;j += 4) {
- cur = *((void **) &buf[j]);
- q = CLIENT_2_HDR(cur);
- p = memlist;
- while (p != NULL) {
- if (p == q) break;
- p = p->mh_next;
- }
- if ((p != NULL) && (p == q)) {
- fprintf(fp, " pointer to #%lu at index %d",
- p->mh_number, j);
- return;
- }
- }
- }
- } else if ((i == 0) && (buf[i] == 0)) {
- fprintf(fp," null");
- } else {
- if (buf[i] == 0) fprintf(fp," \"%.25s\"", buf);
- else {
- fprintf(fp," [");
- for (j = 0;j < i;j++)
- fprintf(fp,"%c", buf[j]);
- fprintf(fp,"]");
- }
- }
-}
-#endif
-
-/**
- * xmlMemShow:
- * @fp: a FILE descriptor used as the output file
- * @nr: number of entries to dump
- *
- * show a show display of the memory allocated, and dump
- * the @nr last allocated areas which were not freed
- */
-
-void
-xmlMemShow(FILE *fp, int nr)
-{
-#ifdef MEM_LIST
- MEMHDR *p;
-#endif
-
- if (fp != NULL)
- fprintf(fp," MEMORY ALLOCATED : %lu, MAX was %lu\n",
- debugMemSize, debugMaxMemSize);
-#ifdef MEM_LIST
- if (nr > 0) {
- fprintf(fp,"NUMBER SIZE TYPE WHERE\n");
- p = memlist;
- while ((p) && nr > 0) {
- fprintf(fp,"%6lu %6lu ",p->mh_number,(unsigned long)p->mh_size);
- switch (p->mh_type) {
- case STRDUP_TYPE:fprintf(fp,"strdup() in ");break;
- case MALLOC_TYPE:fprintf(fp,"malloc() in ");break;
- case REALLOC_TYPE:fprintf(fp,"realloc() in ");break;
- default:fprintf(fp," ??? in ");break;
- }
- if (p->mh_file != NULL)
- fprintf(fp,"%s(%d)", p->mh_file, p->mh_line);
- if (p->mh_tag != MEMTAG)
- fprintf(fp," INVALID");
- xmlMemContentShow(fp, p);
- fprintf(fp,"\n");
- nr--;
- p = p->mh_next;
- }
- }
-#endif /* MEM_LIST */
-}
-
-/**
- * xmlMemDisplay:
- * @fp: a FILE descriptor used as the output file, if NULL, the result is
- * written to the file .memorylist
- *
- * show in-extenso the memory blocks allocated
- */
-
-void
-xmlMemDisplay(FILE *fp)
-{
-#ifdef MEM_LIST
- MEMHDR *p;
- unsigned idx;
- int nb = 0;
-#if defined(HAVE_LOCALTIME) && defined(HAVE_STRFTIME)
- time_t currentTime;
- char buf[500];
- struct tm * tstruct;
-
- currentTime = time(NULL);
- tstruct = localtime(&currentTime);
- strftime(buf, sizeof(buf) - 1, "%I:%M:%S %p", tstruct);
- fprintf(fp," %s\n\n", buf);
-#endif
-
-
- fprintf(fp," MEMORY ALLOCATED : %lu, MAX was %lu\n",
- debugMemSize, debugMaxMemSize);
- fprintf(fp,"BLOCK NUMBER SIZE TYPE\n");
- idx = 0;
- p = memlist;
- while (p) {
- fprintf(fp,"%-5u %6lu %6lu ",idx++,p->mh_number,
- (unsigned long)p->mh_size);
- switch (p->mh_type) {
- case STRDUP_TYPE:fprintf(fp,"strdup() in ");break;
- case MALLOC_TYPE:fprintf(fp,"malloc() in ");break;
- case REALLOC_TYPE:fprintf(fp,"realloc() in ");break;
- default:fprintf(fp," ??? in ");break;
- }
- if (p->mh_file != NULL) fprintf(fp,"%s(%d)", p->mh_file, p->mh_line);
- if (p->mh_tag != MEMTAG)
- fprintf(fp," INVALID");
- nb++;
- if (nb < 100)
- xmlMemContentShow(fp, p);
- else
- fprintf(fp," skip");
-
- fprintf(fp,"\n");
- p = p->mh_next;
- }
-#else
- fprintf(fp,"Memory list not compiled (MEM_LIST not defined !)\n");
-#endif
-}
-
-#ifdef MEM_LIST
-
-static void debugmem_list_add(MEMHDR *p)
-{
- p->mh_next = memlist;
- p->mh_prev = NULL;
- if (memlist) memlist->mh_prev = p;
- memlist = p;
-#ifdef MEM_LIST_DEBUG
- if (stderr)
- Mem_Display(stderr);
-#endif
-}
-
-static void debugmem_list_delete(MEMHDR *p)
-{
- if (p->mh_next)
- p->mh_next->mh_prev = p->mh_prev;
- if (p->mh_prev)
- p->mh_prev->mh_next = p->mh_next;
- else memlist = p->mh_next;
-#ifdef MEM_LIST_DEBUG
- if (stderr)
- Mem_Display(stderr);
-#endif
-}
-
-#endif
-
-/*
- * debugmem_tag_error:
- *
- * internal error function.
- */
-
-static void debugmem_tag_error(void *p)
-{
- xmlGenericError(xmlGenericErrorContext,
- "Memory tag error occurs :%p \n\t bye\n", p);
-#ifdef MEM_LIST
- if (stderr)
- xmlMemDisplay(stderr);
-#endif
-}
-
-static FILE *xmlMemoryDumpFile = NULL;
-
-
-/**
- * xmlMemoryDump:
- *
- * Dump in-extenso the memory blocks allocated to the file .memorylist
- */
-
-void
-xmlMemoryDump(void)
-{
- FILE *dump;
-
- if (debugMaxMemSize == 0)
- return;
- dump = fopen(".memdump", "w");
- if (dump == NULL)
- xmlMemoryDumpFile = stderr;
- else xmlMemoryDumpFile = dump;
-
- xmlMemDisplay(xmlMemoryDumpFile);
-
- if (dump != NULL) fclose(dump);
-}
-
-
-/****************************************************************
- * *
- * Initialization Routines *
- * *
- ****************************************************************/
-
-static int xmlInitMemoryDone = 0;
-
-/**
- * xmlInitMemory:
- *
- * Initialize the memory layer.
- *
- * Returns 0 on success
- */
-int
-xmlInitMemory(void)
-{
- int ret;
-
-#ifdef HAVE_STDLIB_H
- char *breakpoint;
-#endif
-
- if (xmlInitMemoryDone) return(-1);
-
-#ifdef HAVE_STDLIB_H
- breakpoint = getenv("XML_MEM_BREAKPOINT");
- if (breakpoint != NULL) {
- sscanf(breakpoint, "%d", &xmlMemStopAtBlock);
- }
-#endif
-#ifdef HAVE_STDLIB_H
- breakpoint = getenv("XML_MEM_TRACE");
- if (breakpoint != NULL) {
- sscanf(breakpoint, "%p", &xmlMemTraceBlockAt);
- }
-#endif
-
-#ifdef DEBUG_MEMORY
- xmlGenericError(xmlGenericErrorContext,
- "xmlInitMemory() Ok\n");
-#endif
- xmlMemInitialized = 1;
- xmlInitMemoryDone = 1;
-
- ret = 0;
- return(ret);
-}
-
-/**
- * xmlMemSetup:
- * @freeFunc: the free() function to use
- * @mallocFunc: the malloc() function to use
- * @reallocFunc: the realloc() function to use
- * @strdupFunc: the strdup() function to use
- *
- * Override the default memory access functions with a new set
- * This has to be called before any other libxml routines !
- *
- * Should this be blocked if there was already some allocations
- * done ?
- *
- * Returns 0 on success
- */
-int
-xmlMemSetup(xmlFreeFunc freeFunc, xmlMallocFunc mallocFunc,
- xmlReallocFunc reallocFunc, xmlStrdupFunc strdupFunc) {
- if (freeFunc == NULL)
- return(-1);
- if (mallocFunc == NULL)
- return(-1);
- if (reallocFunc == NULL)
- return(-1);
- if (strdupFunc == NULL)
- return(-1);
- xmlFree = freeFunc;
- xmlMalloc = mallocFunc;
- xmlRealloc = reallocFunc;
- xmlMemStrdup = strdupFunc;
- return(0);
-}
-
-/**
- * xmlMemGet:
- * @freeFunc: place to save the free() function in use
- * @mallocFunc: place to save the malloc() function in use
- * @reallocFunc: place to save the realloc() function in use
- * @strdupFunc: place to save the strdup() function in use
- *
- * Provides the memory access functions set currently in use
- *
- * Returns 0 on success
- */
-int
-xmlMemGet(xmlFreeFunc *freeFunc, xmlMallocFunc *mallocFunc,
- xmlReallocFunc *reallocFunc, xmlStrdupFunc *strdupFunc) {
- if (freeFunc != NULL) *freeFunc = xmlFree;
- if (mallocFunc != NULL) *mallocFunc = xmlMalloc;
- if (reallocFunc != NULL) *reallocFunc = xmlRealloc;
- if (strdupFunc != NULL) *strdupFunc = xmlMemStrdup;
- return(0);
-}
-
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