To libify the apply functionality the 'unidiff_zero' variable should
not be static and global to the file. Let's move it into
'struct apply_state'.
Reviewed-by: Stefan Beller <sbeller@xxxxxxxxxx>
Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
---
builtin/apply.c | 42 ++++++++++++++++++++++++------------------
1 file changed, 24 insertions(+), 18 deletions(-)
diff --git a/builtin/apply.c b/builtin/apply.c
index e133033..44ae95d 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -24,6 +24,8 @@
struct apply_state {
const char *prefix;
int prefix_length;
+
+ int unidiff_zero;
};
/*
@@ -37,7 +39,6 @@ struct apply_state {
*/
static int newfd = -1;
-static int unidiff_zero;
static int state_p_value = 1;
static int p_value_known;
static int check_index;
@@ -2694,7 +2695,8 @@ static void update_image(struct image *img,
* postimage) for the hunk. Find lines that match "preimage" in "img" and
* replace the part of "img" with "postimage" text.
*/
-static int apply_one_fragment(struct image *img, struct fragment *frag,
+static int apply_one_fragment(struct apply_state *state,
+ struct image *img, struct fragment *frag,
int inaccurate_eof, unsigned ws_rule,
int nth_fragment)
{
@@ -2836,7 +2838,7 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
* without leading context must match at the beginning.
*/
match_beginning = (!frag->oldpos ||
- (frag->oldpos == 1 && !unidiff_zero));
+ (frag->oldpos == 1 && !state->unidiff_zero));
/*
* A hunk without trailing lines must match at the end.
@@ -2844,7 +2846,7 @@ static int apply_one_fragment(struct image *img, struct fragment *frag,
* from the lack of trailing lines if the patch was generated
* with unidiff without any context.
*/
- match_end = !unidiff_zero && !trailing;
+ match_end = !state->unidiff_zero && !trailing;
pos = frag->newpos ? (frag->newpos - 1) : 0;
preimage.buf = oldlines;
@@ -3067,7 +3069,7 @@ static int apply_binary(struct image *img, struct patch *patch)
return 0;
}
-static int apply_fragments(struct image *img, struct patch *patch)
+static int apply_fragments(struct apply_state *state, struct image *img, struct patch *patch)
{
struct fragment *frag = patch->fragments;
const char *name = patch->old_name ? patch->old_name : patch->new_name;
@@ -3080,7 +3082,7 @@ static int apply_fragments(struct image *img, struct patch *patch)
while (frag) {
nth++;
- if (apply_one_fragment(img, frag, inaccurate_eof, ws_rule, nth)) {
+ if (apply_one_fragment(state, img, frag, inaccurate_eof, ws_rule, nth)) {
error(_("patch failed: %s:%ld"), name, frag->oldpos);
if (!apply_with_reject)
return -1;
@@ -3388,8 +3390,11 @@ static int load_current(struct image *image, struct patch *patch)
return 0;
}
-static int try_threeway(struct image *image, struct patch *patch,
- struct stat *st, const struct cache_entry *ce)
+static int try_threeway(struct apply_state *state,
+ struct image *image,
+ struct patch *patch,
+ struct stat *st,
+ const struct cache_entry *ce)
{
unsigned char pre_sha1[20], post_sha1[20], our_sha1[20];
struct strbuf buf = STRBUF_INIT;
@@ -3415,7 +3420,7 @@ static int try_threeway(struct image *image, struct patch *patch,
img = strbuf_detach(&buf, &len);
prepare_image(&tmp_image, img, len, 1);
/* Apply the patch to get the post image */
- if (apply_fragments(&tmp_image, patch) < 0) {
+ if (apply_fragments(state, &tmp_image, patch) < 0) {
clear_image(&tmp_image);
return -1;
}
@@ -3459,7 +3464,8 @@ static int try_threeway(struct image *image, struct patch *patch,
return 0;
}
-static int apply_data(struct patch *patch, struct stat *st, const struct cache_entry *ce)
+static int apply_data(struct apply_state *state, struct patch *patch,
+ struct stat *st, const struct cache_entry *ce)
{
struct image image;
@@ -3467,9 +3473,9 @@ static int apply_data(struct patch *patch, struct stat *st, const struct cache_e
return -1;
if (patch->direct_to_threeway ||
- apply_fragments(&image, patch) < 0) {
+ apply_fragments(state, &image, patch) < 0) {
/* Note: with --reject, apply_fragments() returns 0 */
- if (!threeway || try_threeway(&image, patch, st, ce) < 0)
+ if (!threeway || try_threeway(state, &image, patch, st, ce) < 0)
return -1;
}
patch->result = image.buf;
@@ -3717,7 +3723,7 @@ static void die_on_unsafe_path(struct patch *patch)
* Check and apply the patch in-core; leave the result in patch->result
* for the caller to write it out to the final destination.
*/
-static int check_patch(struct patch *patch)
+static int check_patch(struct apply_state *state, struct patch *patch)
{
struct stat st;
const char *old_name = patch->old_name;
@@ -3816,13 +3822,13 @@ static int check_patch(struct patch *patch)
return error(_("affected file '%s' is beyond a symbolic link"),
patch->new_name);
- if (apply_data(patch, &st, ce) < 0)
+ if (apply_data(state, patch, &st, ce) < 0)
return error(_("%s: patch does not apply"), name);
patch->rejected = 0;
return 0;
}
-static int check_patch_list(struct patch *patch)
+static int check_patch_list(struct apply_state *state, struct patch *patch)
{
int err = 0;
@@ -3832,7 +3838,7 @@ static int check_patch_list(struct patch *patch)
if (apply_verbosely)
say_patch_name(stderr,
_("Checking patch %s..."), patch);
- err |= check_patch(patch);
+ err |= check_patch(state, patch);
patch = patch->next;
}
return err;
@@ -4434,7 +4440,7 @@ static int apply_patch(struct apply_state *state,
}
if ((check || apply) &&
- check_patch_list(list) < 0 &&
+ check_patch_list(state, list) < 0 &&
!apply_with_reject)
exit(1);
@@ -4597,7 +4603,7 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
PARSE_OPT_NOARG, option_parse_space_change },
OPT_BOOL('R', "reverse", &apply_in_reverse,
N_("apply the patch in reverse")),
- OPT_BOOL(0, "unidiff-zero", &unidiff_zero,
+ OPT_BOOL(0, "unidiff-zero", &state.unidiff_zero,
N_("don't expect at least one line of context")),
OPT_BOOL(0, "reject", &apply_with_reject,
N_("leave the rejected hunks in corresponding *.rej files")),
--
2.8.2.490.g3dabe57
--
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