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Diffstat (limited to 'builtin/apply.c')
-rw-r--r--builtin/apply.c77
1 files changed, 29 insertions, 48 deletions
diff --git a/builtin/apply.c b/builtin/apply.c
index 4aa53f7fd8..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;
@@ -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);
}
@@ -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;
}
@@ -1876,6 +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)
{
/*
@@ -2021,6 +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
@@ -2636,7 +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,
@@ -4377,8 +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)) {
@@ -4468,16 +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)
{
@@ -4501,14 +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;
}
@@ -4555,9 +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 2024-11-24 21:19:23 +0000