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msvc: Fix some -W4 warnings

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Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
This commit is contained in:
Ramsay Jones 2010-01-04 18:57:13 +00:00
parent 1a7bae4d0f
commit e8a952561c
4 changed files with 14 additions and 9 deletions
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14
src/delta-apply.c
View File

@ -9,7 +9,8 @@
* Nicolas Pitre <nico@cam.org>.
*/
static size_t hdr_sz(
static int hdr_sz(
size_t *size,
const unsigned char **delta,
const unsigned char *end)
{
@ -25,7 +26,8 @@ static size_t hdr_sz(
shift += 7;
} while (c & 0x80);
*delta = d;
return r;
*size = r;
return 0;
}
int git__delta_apply(
@ -36,17 +38,19 @@ int git__delta_apply(
size_t delta_len)
{
const unsigned char *delta_end = delta + delta_len;
size_t res_sz;
size_t base_sz, res_sz;
unsigned char *res_dp;
/* Check that the base size matches the data we were given;
* if not we would underflow while accessing data from the
* base object, resulting in data corruption or segfault.
*/
if (base_len != hdr_sz(&delta, delta_end))
if ((hdr_sz(&base_sz, &delta, delta_end) < 0) || (base_sz != base_len))
return GIT_ERROR;
if (hdr_sz(&res_sz, &delta, delta_end) < 0)
return GIT_ERROR;
res_sz = hdr_sz(&delta, delta_end);
if ((res_dp = git__malloc(res_sz + 1)) == NULL)
return GIT_ERROR;
res_dp[res_sz] = '\0';

1
src/fileops.c
View File

@ -209,7 +209,6 @@ int gitfo_write_cached(gitfo_cache *ioc, void *buff, size_t len)
if (len > ioc->cache_size)
return gitfo_write(ioc->fd, buf, len);
}
return GIT_SUCCESS;
}
int gitfo_close_cached(gitfo_cache *ioc)

2
src/odb.c
View File

@ -840,6 +840,8 @@ static void packlist_dec(git_odb *db, git_packlist *pl)
{
int need_free;
assert(db && pl);
gitlck_lock(&db->lock);
need_free = !--pl->refcnt;
gitlck_unlock(&db->lock);

6
tests/t0101-oid.c
View File

@ -19,7 +19,7 @@ BEGIN_TEST(invalid_string_moo)
must_fail(git_oid_mkstr(&out, "moo"));
END_TEST
static int from_hex(unsigned char i)
static int from_hex(unsigned int i)
{
if (i >= '0' && i <= '9')
return i - '0';
@ -38,14 +38,14 @@ BEGIN_TEST(invalid_string_all_chars)
0xb7, 0x75, 0x21, 0x3c, 0x23,
0xa8, 0xbd, 0x74, 0xf5, 0xe0,
};
char in[41] = "16a67770b7d8d72317c4b775213c23a8bd74f5e0\0";
char in[41] = "16a67770b7d8d72317c4b775213c23a8bd74f5e0";
unsigned int i;
for (i = 0; i < 256; i++) {
in[38] = (char)i;
if (from_hex(i) >= 0) {
exp[19] = (from_hex(i) << 4);
exp[19] = (unsigned char)(from_hex(i) << 4);
if (git_oid_mkstr(&out, in))
test_die("line %d: must accept '%s'", __LINE__, in);
if (memcmp(out.id, exp, sizeof(out.id)))