The gitdiff_*() functions that are called as p->fn() in parse_git_header()
should return 1 instead of -1 in case of end of header or unrecognized
input, as these are not real errors. It just instructs the parser to break
out.
This makes it possible for gitdiff_*() functions to return -1 in case of a
real error. This will be done in a following patch.
Helped-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
---
builtin/apply.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/builtin/apply.c b/builtin/apply.c
index f99498b..eb918e5 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -812,7 +812,7 @@ static int gitdiff_hdrend(struct apply_state *state,
const char *line,
struct patch *patch)
{
- return -1;
+ return 1;
}
/*
@@ -1016,7 +1016,7 @@ static int gitdiff_unrecognized(struct apply_state *state,
const char *line,
struct patch *patch)
{
- return -1;
+ return 1;
}
/*
@@ -1248,9 +1248,13 @@ static int parse_git_header(struct apply_state *state,
for (i = 0; i < ARRAY_SIZE(optable); i++) {
const struct opentry *p = optable + i;
int oplen = strlen(p->str);
+ int res;
if (len < oplen || memcmp(p->str, line, oplen))
continue;
- if (p->fn(state, line + oplen, patch) < 0)
+ res = p->fn(state, line + oplen, patch);
+ if (res < 0)
+ return -1;
+ if (res > 0)
return offset;
break;
}
@@ -1430,6 +1434,8 @@ static int find_header(struct apply_state *state,
*/
if (!memcmp("diff --git ", line, 11)) {
int git_hdr_len = parse_git_header(state, line, len, size, patch);
+ if (git_hdr_len < 0)
+ return -128;
if (git_hdr_len <= len)
continue;
if (!patch->old_name && !patch->new_name) {
--
2.9.2.614.g4980f51
--
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