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[PATCH] [PATCH] commit.c: Replace starts_with() with skip_prefix()

From
Karthik Nayak <karthik.188@gmail.com>
Date
Mar 4, 2014, 15:54 UTC
Message-ID
<1393948445-24689-1-git-send-email-karthik.188@gmail.com>

In record_author_date() : Replace "buf + strlen(author )" by skip_prefix(), which is saved in a new "const char" variable "indent_line".

In parse_signed_commit() : Replace "line + gpg_sig_header_len" by skip_prefix(), which is saved in a new "const char" variable "indent_line".

In parse_gpg_output() : Replace "buf + strlen(sigcheck_gpg_status[i].check + 1)" by skip_prefix(), which is saved in already available variable "found".

Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
---
 commit.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)
diff --git a/commit.c b/commit.c
index 6bf4fe0..71a03e3 100644
--- a/commit.c
+++ b/commit.c
@@ -553,6 +553,7 @@ static void record_author_date(struct author_date_slab *author_date,
 	struct ident_split ident;
 	char *date_end;
 	unsigned long date;
+	const char *indent_line;
 
 	if (!commit->buffer) {
 		unsigned long size;
@@ -562,18 +563,19 @@ static void record_author_date(struct author_date_slab *author_date,
 			return;
 	}
 
+	indent_line = skip_prefix(buf, "author ");
+
 	for (buf = commit->buffer ? commit->buffer : buffer;
 	     buf;
 	     buf = line_end + 1) {
 		line_end = strchrnul(buf, '\n');
-		if (!starts_with(buf, "author ")) {
+		if (!indent_line) {
 			if (!line_end[0] || line_end[1] == '\n')
 				return; /* end of header */
 			continue;
 		}
-		if (split_ident_line(&ident,
-				     buf + strlen("author "),
-				     line_end - (buf + strlen("author "))) ||
+		if (split_ident_line(&ident, indent_line,
+							 line_end - indent_line) ||
 		    !ident.date_begin || !ident.date_end)
 			goto fail_exit; /* malformed "author" line */
 		break;
@@ -1098,6 +1100,7 @@ int parse_signed_commit(const unsigned char *sha1,
 	char *buffer = read_sha1_file(sha1, &type, &size);
 	int in_signature, saw_signature = -1;
 	char *line, *tail;
+	const char *indent_line;
 
 	if (!buffer || type != OBJ_COMMIT)
 		goto cleanup;
@@ -1111,11 +1114,11 @@ int parse_signed_commit(const unsigned char *sha1,
 		char *next = memchr(line, '\n', tail - line);
 
 		next = next ? next + 1 : tail;
+		indent_line = skip_prefix(line, gpg_sig_header);
 		if (in_signature && line[0] == ' ')
 			sig = line + 1;
-		else if (starts_with(line, gpg_sig_header) &&
-			 line[gpg_sig_header_len] == ' ')
-			sig = line + gpg_sig_header_len + 1;
+		else if (indent_line && indent_line[1] == ' ')
+			sig = indent_line + 2;
 		if (sig) {
 			strbuf_add(signature, sig, next - sig);
 			saw_signature = 1;
@@ -1193,10 +1196,8 @@ static void parse_gpg_output(struct signature_check *sigc)
 	for (i = 0; i < ARRAY_SIZE(sigcheck_gpg_status); i++) {
 		const char *found, *next;
 
-		if (starts_with(buf, sigcheck_gpg_status[i].check + 1)) {
-			/* At the very beginning of the buffer */
-			found = buf + strlen(sigcheck_gpg_status[i].check + 1);
-		} else {
+		found = skip_prefix(buf, sigcheck_gpg_status[i].check +1);
+		if(!found) {
 			found = strstr(buf, sigcheck_gpg_status[i].check);
 			if (!found)
 				continue;
-- 
1.9.0.138.g2de3478

Hey Eric,
As per your suggestion in the previous mail :
http://article.gmane.org/gmane.comp.version-control.git/243316
I have made necessary changes:
1. Better Naming of variables as per suggestion
2. Proper replacement of skip_prefix() over starts_with() .
Next: Tanay Abhra
Message 1 of 7 in “commit.c: Replace starts_with() with skip_prefix()”
  1. [PATCH] commit.c: Replace starts_with() with skip_prefix()Karthik Nayak, Mar 4, 2014
  2. Tanay AbhraMar 4, 2014
  3. karthik nayakMar 4, 2014
  4. Eric SunshineMar 4, 2014
  5. Eric SunshineMar 4, 2014
  6. Eric SunshineMar 4, 2014
  7. Eric SunshineMar 5, 2014

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