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authorChristopher Li <git@chrisli.org>2005-04-26 19:00:58 (GMT)
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-26 19:00:58 (GMT)
commit812666c8e66a21e668c0789d0422aa5a7db54961 (patch)
treeb98a096f4b3c70aac3110f905a1367c23b402cca /convert-cache.c
parentf2a19340ada1188e278d5b198d3466ed7411e2d4 (diff)
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[PATCH] introduce xmalloc and xrealloc
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>
Diffstat (limited to 'convert-cache.c')
-rw-r--r--convert-cache.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/convert-cache.c b/convert-cache.c
index 7102e45..631d1aa 100644
--- a/convert-cache.c
+++ b/convert-cache.c
@@ -18,8 +18,7 @@ static struct entry * convert_entry(unsigned char *sha1);
static struct entry *insert_new(unsigned char *sha1, int pos)
{
- struct entry *new = malloc(sizeof(struct entry));
-
+ struct entry *new = xmalloc(sizeof(struct entry));
memset(new, 0, sizeof(*new));
memcpy(new->old_sha1, sha1, 20);
memmove(convert + pos + 1, convert + pos, (nr_convert - pos) * sizeof(struct entry *));
@@ -68,7 +67,7 @@ static void convert_ascii_sha1(void *buffer)
static int write_subdirectory(void *buffer, unsigned long size, const char *base, int baselen, unsigned char *result_sha1)
{
- char *new = malloc(size);
+ char *new = xmalloc(size);
unsigned long newlen = 0;
unsigned long used;
@@ -226,9 +225,9 @@ static int convert_date_line(char *dst, void **buf, unsigned long *sp)
static void convert_date(void *buffer, unsigned long size, unsigned char *result_sha1)
{
- char *new = malloc(size + 100);
+ char *new = xmalloc(size + 100);
unsigned long newlen = 0;
-
+
// "tree <sha1>\n"
memcpy(new + newlen, buffer, 46);
newlen += 46;
@@ -283,7 +282,7 @@ static struct entry * convert_entry(unsigned char *sha1)
if (!data)
die("unable to read object %s", sha1_to_hex(sha1));
- buffer = malloc(size);
+ buffer = xmalloc(size);
memcpy(buffer, data, size);
if (!strcmp(type, "blob")) {