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812666c8e6
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>
24 lines
548 B
C
24 lines
548 B
C
#include "blob.h"
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#include "cache.h"
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#include <stdlib.h>
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const char *blob_type = "blob";
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struct blob *lookup_blob(unsigned char *sha1)
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{
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struct object *obj = lookup_object(sha1);
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if (!obj) {
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struct blob *ret = xmalloc(sizeof(struct blob));
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memset(ret, 0, sizeof(struct blob));
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created_object(sha1, &ret->object);
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ret->object.type = blob_type;
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return ret;
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}
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if (obj->parsed && obj->type != blob_type) {
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error("Object %s is a %s, not a blob",
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sha1_to_hex(sha1), obj->type);
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return NULL;
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}
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return (struct blob *) obj;
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}
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