To libify the apply functionality the 'state_linenr' 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 | 75 ++++++++++++++++++++++++++++++---------------------------
1 file changed, 40 insertions(+), 35 deletions(-)
diff --git a/builtin/apply.c b/builtin/apply.c
index deba14c..5c003a1 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -84,6 +84,13 @@ struct apply_state {
int max_change;
int max_len;
+ /*
+ * Various "current state", notably line numbers and what
+ * file (and how) we're patching right now.. The "is_xxxx"
+ * things are flags, where -1 means "don't know yet".
+ */
+ int linenr;
+
int p_value;
int p_value_known;
unsigned int p_context;
@@ -156,13 +163,6 @@ static void set_default_whitespace_mode(struct apply_state *state)
state->ws_error_action = (state->apply ? warn_on_ws_error : nowarn_ws_error);
}
-/*
- * Various "current state", notably line numbers and what
- * file (and how) we're patching right now.. The "is_xxxx"
- * things are flags, where -1 means "don't know yet".
- */
-static int state_linenr = 1;
-
/*
* This represents one "hunk" from a patch, starting with
* "@@ -oldpos,oldlines +newpos,newlines @@" marker. The
@@ -939,7 +939,7 @@ static void parse_traditional_patch(struct apply_state *state,
}
}
if (!name)
- die(_("unable to find filename in patch at line %d"), state_linenr);
+ die(_("unable to find filename in patch at line %d"), state->linenr);
}
static int gitdiff_hdrend(struct apply_state *state,
@@ -977,17 +977,17 @@ static void gitdiff_verify_name(struct apply_state *state,
char *another;
if (isnull)
die(_("git apply: bad git-diff - expected /dev/null, got %s on line %d"),
- *name, state_linenr);
+ *name, state->linenr);
another = find_name(state, line, NULL, state->p_value, TERM_TAB);
if (!another || memcmp(another, *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"), state_linenr);
+ _("git apply: bad git-diff - inconsistent old filename on line %d"), state->linenr);
free(another);
} 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"), state_linenr);
+ die(_("git apply: bad git-diff - expected /dev/null on line %d"), state->linenr);
}
}
@@ -1350,8 +1350,8 @@ static int parse_git_header(struct apply_state *state,
line += len;
size -= len;
- state_linenr++;
- for (offset = len ; size > 0 ; offset += len, size -= len, line += len, state_linenr++) {
+ state->linenr++;
+ for (offset = len ; size > 0 ; offset += len, size -= len, line += len, state->linenr++) {
static const struct opentry {
const char *str;
int (*fn)(struct apply_state *, const char *, struct patch *);
@@ -1522,7 +1522,7 @@ static int find_header(struct apply_state *state,
patch->is_new = patch->is_delete = -1;
patch->old_mode = patch->new_mode = 0;
patch->old_name = patch->new_name = NULL;
- for (offset = 0; size > 0; offset += len, size -= len, line += len, state_linenr++) {
+ for (offset = 0; size > 0; offset += len, size -= len, line += len, state->linenr++) {
unsigned long nextlen;
len = linelen(line, size);
@@ -1543,7 +1543,7 @@ static int find_header(struct apply_state *state,
if (parse_fragment_header(line, len, &dummy) < 0)
continue;
die(_("patch fragment without header at line %d: %.*s"),
- state_linenr, (int)len-1, line);
+ state->linenr, (int)len-1, line);
}
if (size < len + 6)
@@ -1564,13 +1564,13 @@ static int find_header(struct apply_state *state,
"git diff header lacks filename information when removing "
"%d leading pathname components (line %d)",
state->p_value),
- state->p_value, state_linenr);
+ state->p_value, state->linenr);
patch->old_name = xstrdup(patch->def_name);
patch->new_name = xstrdup(patch->def_name);
}
if (!patch->is_delete && !patch->new_name)
die("git diff header lacks filename information "
- "(line %d)", state_linenr);
+ "(line %d)", state->linenr);
patch->is_toplevel_relative = 1;
*hdrsize = git_hdr_len;
return offset;
@@ -1592,7 +1592,7 @@ static int find_header(struct apply_state *state,
/* Ok, we'll consider it a patch */
parse_traditional_patch(state, line, line+len, patch);
*hdrsize = len + nextlen;
- state_linenr += 2;
+ state->linenr += 2;
return offset;
}
return -1;
@@ -1627,7 +1627,7 @@ static void check_whitespace(struct apply_state *state,
{
unsigned result = ws_check(line + 1, len - 1, ws_rule);
- record_ws_error(state, result, line + 1, len - 2, state_linenr);
+ record_ws_error(state, result, line + 1, len - 2, state->linenr);
}
/*
@@ -1660,11 +1660,11 @@ static int parse_fragment(struct apply_state *state,
/* Parse the thing.. */
line += len;
size -= len;
- state_linenr++;
+ state->linenr++;
added = deleted = 0;
for (offset = len;
0 < size;
- offset += len, size -= len, line += len, state_linenr++) {
+ offset += len, size -= len, line += len, state->linenr++) {
if (!oldlines && !newlines)
break;
len = linelen(line, size);
@@ -1763,10 +1763,10 @@ static int parse_single_patch(struct apply_state *state,
int len;
fragment = xcalloc(1, sizeof(*fragment));
- fragment->linenr = state_linenr;
+ fragment->linenr = state->linenr;
len = parse_fragment(state, line, size, patch, fragment);
if (len <= 0)
- die(_("corrupt patch at line %d"), state_linenr);
+ die(_("corrupt patch at line %d"), state->linenr);
fragment->patch = line;
fragment->size = len;
oldlines += fragment->oldlines;
@@ -1852,7 +1852,8 @@ static char *inflate_it(const void *data, unsigned long size,
* points at an allocated memory that the caller must free, so
* it is marked as "->free_patch = 1".
*/
-static struct fragment *parse_binary_hunk(char **buf_p,
+static struct fragment *parse_binary_hunk(struct apply_state *state,
+ char **buf_p,
unsigned long *sz_p,
int *status_p,
int *used_p)
@@ -1894,13 +1895,13 @@ static struct fragment *parse_binary_hunk(char **buf_p,
else
return NULL;
- state_linenr++;
+ state->linenr++;
buffer += llen;
while (1) {
int byte_length, max_byte_length, newsize;
llen = linelen(buffer, size);
used += llen;
- state_linenr++;
+ state->linenr++;
if (llen == 1) {
/* consume the blank line */
buffer++;
@@ -1954,7 +1955,7 @@ static struct fragment *parse_binary_hunk(char **buf_p,
free(data);
*status_p = -1;
error(_("corrupt binary patch at line %d: %.*s"),
- state_linenr-1, llen-1, buffer);
+ state->linenr-1, llen-1, buffer);
return NULL;
}
@@ -1963,7 +1964,10 @@ static struct fragment *parse_binary_hunk(char **buf_p,
* -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)
+static int parse_binary(struct apply_state *state,
+ char *buffer,
+ unsigned long size,
+ struct patch *patch)
{
/*
* We have read "GIT binary patch\n"; what follows is a line
@@ -1984,15 +1988,15 @@ static int parse_binary(char *buffer, unsigned long size, struct patch *patch)
int status;
int used, used_1;
- forward = parse_binary_hunk(&buffer, &size, &status, &used);
+ forward = parse_binary_hunk(state, &buffer, &size, &status, &used);
if (!forward && !status)
/* there has to be one hunk (forward hunk) */
- return error(_("unrecognized binary patch at line %d"), state_linenr-1);
+ return error(_("unrecognized binary patch at line %d"), state->linenr-1);
if (status)
/* otherwise we already gave an error message */
return status;
- reverse = parse_binary_hunk(&buffer, &size, &status, &used_1);
+ reverse = parse_binary_hunk(state, &buffer, &size, &status, &used_1);
if (reverse)
used += used_1;
else if (status) {
@@ -2107,8 +2111,8 @@ static int parse_chunk(struct apply_state *state, char *buffer, unsigned long si
if (llen == sizeof(git_binary) - 1 &&
!memcmp(git_binary, buffer + hd, llen)) {
int used;
- state_linenr++;
- used = parse_binary(buffer + hd + llen,
+ state->linenr++;
+ used = parse_binary(state, buffer + hd + llen,
size - hd - llen, patch);
if (used < 0)
return -1;
@@ -2128,7 +2132,7 @@ static int parse_chunk(struct apply_state *state, char *buffer, unsigned long si
int len = strlen(binhdr[i]);
if (len < size - hd &&
!memcmp(binhdr[i], buffer + hd, len)) {
- state_linenr++;
+ state->linenr++;
patch->is_binary = 1;
patchsize = llen;
break;
@@ -2142,7 +2146,7 @@ static int parse_chunk(struct apply_state *state, char *buffer, unsigned long si
*/
if ((state->apply || state->check) &&
(!patch->is_binary && !metadata_changes(patch)))
- die(_("patch with only garbage at line %d"), state_linenr);
+ die(_("patch with only garbage at line %d"), state->linenr);
}
return offset + hdrsize + patchsize;
@@ -4661,6 +4665,7 @@ static void init_apply_state(struct apply_state *state, const char *prefix)
state->squelch_whitespace_errors = 5;
state->ws_error_action = warn_on_ws_error;
state->ws_ignore_action = ignore_ws_none;
+ state->linenr = 1;
strbuf_init(&state->root, 0);
git_apply_config();
--
2.8.2.490.g3dabe57
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