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[PATCH] introduce xmalloc and xrealloc

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Introduce xmalloc and xrealloc to die gracefully with a descriptive
message when out of memory, rather than taking a SIGSEGV. 

Signed-off-by: Christopher Li<chrislgit@chrisli.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Christopher Li
2005-04-26 12:00:58 -07:00
committed by Linus Torvalds
parent f2a19340ad
commit 812666c8e6
18 changed files with 54 additions and 41 deletions
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8
tree.c
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@ -9,7 +9,7 @@ static int read_one_entry(unsigned char *sha1, const char *base, int baselen, co
{
int len = strlen(pathname);
unsigned int size = cache_entry_size(baselen + len);
struct cache_entry *ce = malloc(size);
struct cache_entry *ce = xmalloc(size);
memset(ce, 0, size);
@ -39,7 +39,7 @@ static int read_tree_recursive(void *buffer, unsigned long size,
if (S_ISDIR(mode)) {
int retval;
int pathlen = strlen(path);
char *newbase = malloc(baselen + 1 + pathlen);
char *newbase = xmalloc(baselen + 1 + pathlen);
void *eltbuf;
char elttype[20];
unsigned long eltsize;
@ -74,7 +74,7 @@ struct tree *lookup_tree(unsigned char *sha1)
{
struct object *obj = lookup_object(sha1);
if (!obj) {
struct tree *ret = malloc(sizeof(struct tree));
struct tree *ret = xmalloc(sizeof(struct tree));
memset(ret, 0, sizeof(struct tree));
created_object(sha1, &ret->object);
ret->object.type = tree_type;
@ -116,7 +116,7 @@ int parse_tree(struct tree *item)
sscanf(bufptr, "%o", &mode) != 1)
return -1;
entry = malloc(sizeof(struct tree_entry_list));
entry = xmalloc(sizeof(struct tree_entry_list));
entry->name = strdup(path + 1);
entry->directory = S_ISDIR(mode);
entry->executable = mode & S_IXUSR;