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Diffstat (limited to 'builtin/apply.c')
-rw-r--r--builtin/apply.c96
1 files changed, 40 insertions, 56 deletions
diff --git a/builtin/apply.c b/builtin/apply.c
index 0769b09287..ce3b77853c 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -77,8 +77,7 @@ static enum ws_ignore {
static const char *patch_input_file;
-static const char *root;
-static int root_len;
+static struct strbuf root = STRBUF_INIT;
static int read_stdin = 1;
static int options;
@@ -208,7 +207,7 @@ struct patch {
struct patch *next;
/* three-way fallback result */
- unsigned char threeway_stage[3][20];
+ struct object_id threeway_stage[3];
};
static void free_fragment_list(struct fragment *list)
@@ -494,8 +493,8 @@ static char *find_name_gnu(const char *line, const char *def, int p_value)
}
strbuf_remove(&name, 0, cp - name.buf);
- if (root)
- strbuf_insert(&name, 0, root, root_len);
+ if (root.len)
+ strbuf_insert(&name, 0, root.buf, root.len);
return squash_slash(strbuf_detach(&name, NULL));
}
@@ -697,11 +696,8 @@ static char *find_name_common(const char *line, const char *def,
return squash_slash(xstrdup(def));
}
- if (root) {
- char *ret = xmalloc(root_len + len + 1);
- strcpy(ret, root);
- memcpy(ret + root_len, start, len);
- ret[root_len + len] = '\0';
+ if (root.len) {
+ char *ret = xstrfmt("%s%.*s", root.buf, len, start);
return squash_slash(ret);
}
@@ -785,7 +781,7 @@ static int guess_p_value(const char *nameline)
}
/*
- * Does the ---/+++ line has the POSIX timestamp after the last HT?
+ * Does the ---/+++ line have the POSIX timestamp after the last HT?
* GNU diff puts epoch there to signal a creation/deletion event. Is
* this such a timestamp?
*/
@@ -935,22 +931,19 @@ static char *gitdiff_verify_name(const char *line, int isnull, char *orig_name,
return find_name(line, NULL, p_value, TERM_TAB);
if (orig_name) {
- int len;
- const char *name;
+ int len = strlen(orig_name);
char *another;
- name = orig_name;
- len = strlen(name);
if (isnull)
- die(_("git apply: bad git-diff - expected /dev/null, got %s on line %d"), name, linenr);
+ die(_("git apply: bad git-diff - expected /dev/null, got %s on line %d"),
+ orig_name, linenr);
another = find_name(line, NULL, p_value, TERM_TAB);
- if (!another || memcmp(another, name, len + 1))
+ if (!another || memcmp(another, orig_name, len + 1))
die((side == DIFF_NEW_NAME) ?
_("git apply: bad git-diff - inconsistent new filename on line %d") :
_("git apply: bad git-diff - inconsistent old filename on line %d"), linenr);
free(another);
return orig_name;
- }
- else {
+ } else {
/* expect "/dev/null" */
if (memcmp("/dev/null", line, 9) || line[9] != '\n')
die(_("git apply: bad git-diff - expected /dev/null on line %d"), linenr);
@@ -960,21 +953,15 @@ static char *gitdiff_verify_name(const char *line, int isnull, char *orig_name,
static int gitdiff_oldname(const char *line, struct patch *patch)
{
- char *orig = patch->old_name;
patch->old_name = gitdiff_verify_name(line, patch->is_new, patch->old_name,
DIFF_OLD_NAME);
- if (orig != patch->old_name)
- free(orig);
return 0;
}
static int gitdiff_newname(const char *line, struct patch *patch)
{
- char *orig = patch->new_name;
patch->new_name = gitdiff_verify_name(line, patch->is_delete, patch->new_name,
DIFF_NEW_NAME);
- if (orig != patch->new_name)
- free(orig);
return 0;
}
@@ -1277,8 +1264,8 @@ static int parse_git_header(const char *line, int len, unsigned int size, struct
* the default name from the header.
*/
patch->def_name = git_header_name(line, len);
- if (patch->def_name && root) {
- char *s = xstrfmt("%s%s", root, patch->def_name);
+ if (patch->def_name && root.len) {
+ char *s = xstrfmt("%s%s", root.buf, patch->def_name);
free(patch->def_name);
patch->def_name = s;
}
@@ -1638,6 +1625,9 @@ static int parse_fragment(const char *line, unsigned long size,
}
if (oldlines || newlines)
return -1;
+ if (!deleted && !added)
+ return -1;
+
fragment->leading = leading;
fragment->trailing = trailing;
@@ -1873,6 +1863,11 @@ static struct fragment *parse_binary_hunk(char **buf_p,
return NULL;
}
+/*
+ * Returns:
+ * -1 in case of error,
+ * the length of the parsed binary patch otherwise
+ */
static int parse_binary(char *buffer, unsigned long size, struct patch *patch)
{
/*
@@ -2018,6 +2013,8 @@ static int parse_chunk(char *buffer, unsigned long size, struct patch *patch)
linenr++;
used = parse_binary(buffer + hd + llen,
size - hd - llen, patch);
+ if (used < 0)
+ return -1;
if (used)
patchsize = used + llen;
else
@@ -2633,7 +2630,7 @@ static void update_image(struct image *img,
insert_count = postimage->len;
/* Adjust the contents */
- result = xmalloc(img->len + insert_count - remove_count + 1);
+ result = xmalloc(st_add3(st_sub(img->len, remove_count), insert_count, 1));
memcpy(result, img->buf, applied_at);
memcpy(result + applied_at, postimage->buf, postimage->len);
memcpy(result + applied_at + postimage->len,
@@ -3426,11 +3423,11 @@ static int try_threeway(struct image *image, struct patch *patch,
if (status) {
patch->conflicted_threeway = 1;
if (patch->is_new)
- hashclr(patch->threeway_stage[0]);
+ oidclr(&patch->threeway_stage[0]);
else
- hashcpy(patch->threeway_stage[0], pre_sha1);
- hashcpy(patch->threeway_stage[1], our_sha1);
- hashcpy(patch->threeway_stage[2], post_sha1);
+ hashcpy(patch->threeway_stage[0].hash, pre_sha1);
+ hashcpy(patch->threeway_stage[1].hash, our_sha1);
+ hashcpy(patch->threeway_stage[2].hash, post_sha1);
fprintf(stderr, "Applied patch to '%s' with conflicts.\n", patch->new_name);
} else {
fprintf(stderr, "Applied patch to '%s' cleanly.\n", patch->new_name);
@@ -4186,14 +4183,14 @@ static void add_conflicted_stages_file(struct patch *patch)
remove_file_from_cache(patch->new_name);
for (stage = 1; stage < 4; stage++) {
- if (is_null_sha1(patch->threeway_stage[stage - 1]))
+ if (is_null_oid(&patch->threeway_stage[stage - 1]))
continue;
ce = xcalloc(1, ce_size);
memcpy(ce->name, patch->new_name, namelen);
ce->ce_mode = create_ce_mode(mode);
ce->ce_flags = create_ce_flags(stage);
ce->ce_namelen = namelen;
- hashcpy(ce->sha1, patch->threeway_stage[stage - 1]);
+ hashcpy(ce->sha1, patch->threeway_stage[stage - 1].hash);
if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0)
die(_("unable to add cache entry for %s"), patch->new_name);
}
@@ -4374,8 +4371,10 @@ static int apply_patch(int fd, const char *filename, int options)
patch->inaccurate_eof = !!(options & INACCURATE_EOF);
patch->recount = !!(options & RECOUNT);
nr = parse_chunk(buf.buf + offset, buf.len - offset, patch);
- if (nr < 0)
+ if (nr < 0) {
+ free_patch(patch);
break;
+ }
if (apply_in_reverse)
reverse_patches(patch);
if (use_patch(patch)) {
@@ -4465,16 +4464,6 @@ static int option_parse_p(const struct option *opt,
return 0;
}
-static int option_parse_z(const struct option *opt,
- const char *arg, int unset)
-{
- if (unset)
- line_termination = '\n';
- else
- line_termination = 0;
- return 0;
-}
-
static int option_parse_space_change(const struct option *opt,
const char *arg, int unset)
{
@@ -4498,14 +4487,9 @@ static int option_parse_whitespace(const struct option *opt,
static int option_parse_directory(const struct option *opt,
const char *arg, int unset)
{
- root_len = strlen(arg);
- if (root_len && arg[root_len - 1] != '/') {
- char *new_root;
- root = new_root = xmalloc(root_len + 2);
- strcpy(new_root, arg);
- strcpy(new_root + root_len++, "/");
- } else
- root = arg;
+ strbuf_reset(&root);
+ strbuf_addstr(&root, arg);
+ strbuf_complete(&root, '/');
return 0;
}
@@ -4552,9 +4536,9 @@ int cmd_apply(int argc, const char **argv, const char *prefix_)
N_( "attempt three-way merge if a patch does not apply")),
OPT_FILENAME(0, "build-fake-ancestor", &fake_ancestor,
N_("build a temporary index based on embedded index information")),
- { OPTION_CALLBACK, 'z', NULL, NULL, NULL,
- N_("paths are separated with NUL character"),
- PARSE_OPT_NOARG, option_parse_z },
+ /* Think twice before adding "--nul" synonym to this */
+ OPT_SET_INT('z', NULL, &line_termination,
+ N_("paths are separated with NUL character"), '\0'),
OPT_INTEGER('C', NULL, &p_context,
N_("ensure at least <n> lines of context match")),
{ OPTION_CALLBACK, 0, "whitespace", &whitespace_option, N_("action"),
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 14:33:26 +0000