date handling: handle "AM"/"PM" on time
[git/git.git] / blob.c
1 #include "blob.h"
2 #include "cache.h"
3 #include <stdlib.h>
4
5 const char *blob_type = "blob";
6
7 struct blob *lookup_blob(unsigned char *sha1)
8 {
9 struct object *obj = lookup_object(sha1);
10 if (!obj) {
11 struct blob *ret = xmalloc(sizeof(struct blob));
12 memset(ret, 0, sizeof(struct blob));
13 created_object(sha1, &ret->object);
14 ret->object.type = blob_type;
15 return ret;
16 }
17 if (obj->type != blob_type) {
18 error("Object %s is a %s, not a blob",
19 sha1_to_hex(sha1), obj->type);
20 return NULL;
21 }
22 return (struct blob *) obj;
23 }
24
25 int parse_blob(struct blob *item)
26 {
27 char type[20];
28 void *buffer;
29 unsigned long size;
30 if (item->object.parsed)
31 return 0;
32 item->object.parsed = 1;
33 buffer = read_sha1_file(item->object.sha1, type, &size);
34 if (!buffer)
35 return error("Could not read %s",
36 sha1_to_hex(item->object.sha1));
37 if (strcmp(type, blob_type))
38 return error("Object %s not a blob",
39 sha1_to_hex(item->object.sha1));
40 return 0;
41 }