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oid: make git_oid_fromstrn support hex strings of odd length

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This fixes issue #433.

Signed-off-by: J. David Ibáñez <jdavid.ibp@gmail.com>
This commit is contained in:
J. David Ibáñez 2011-09-30 19:08:48 +02:00
parent 358a15fd65
commit e724b058b2
1 changed files with 9 additions and 5 deletions
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14
src/oid.c
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@ -34,15 +34,13 @@ static char to_hex[] = "0123456789abcdef";
int git_oid_fromstrn(git_oid *out, const char *str, size_t length)
{
size_t p;
int v;
if (length > GIT_OID_HEXSZ)
length = GIT_OID_HEXSZ;
if (length % 2)
length--;
for (p = 0; p < length; p += 2) {
int v = (from_hex[(unsigned char)str[p + 0]] << 4)
for (p = 0; p < length - 1; p += 2) {
v = (from_hex[(unsigned char)str[p + 0]] << 4)
| from_hex[(unsigned char)str[p + 1]];
if (v < 0)
@ -51,6 +49,12 @@ int git_oid_fromstrn(git_oid *out, const char *str, size_t length)
out->id[p / 2] = (unsigned char)v;
}
if (length % 2) {
v = (from_hex[(unsigned char)str[p + 0]] << 4);
out->id[p / 2] = (unsigned char)v;
p += 2;
}
for (; p < GIT_OID_HEXSZ; p += 2)
out->id[p / 2] = 0x0;