X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=commit.c;h=754d1b8a0b8282fd3d1d6bd8f6ccb21b407504a5;hb=885b98107547fe3f6d17ca0af0578e040f7600d0;hp=555252734298540ffc5678ac5d80888fd23dd4e5;hpb=99e6ac503b175ef38ca98e88a6ec1e290ad79d69;p=git.git

diff --git a/commit.c b/commit.c
index 555252734..754d1b8a0 100644
--- a/commit.c
+++ b/commit.c
@@ -651,9 +651,10 @@ static char *get_header(const struct commit *commit, const char *key)
 	}
 }
 
-static char *replace_encoding_header(char *buf, char *encoding)
+static char *replace_encoding_header(char *buf, const char *encoding)
 {
 	char *encoding_header = strstr(buf, "\nencoding ");
+	char *header_end = strstr(buf, "\n\n");
 	char *end_of_encoding_header;
 	int encoding_header_pos;
 	int encoding_header_len;
@@ -661,8 +662,10 @@ static char *replace_encoding_header(char *buf, char *encoding)
 	int need_len;
 	int buflen = strlen(buf) + 1;
 
-	if (!encoding_header)
-		return buf; /* should not happen but be defensive */
+	if (!header_end)
+		header_end = buf + buflen;
+	if (!encoding_header || encoding_header >= header_end)
+		return buf;
 	encoding_header++;
 	end_of_encoding_header = strchr(encoding_header, '\n');
 	if (!end_of_encoding_header)
@@ -694,29 +697,26 @@ static char *replace_encoding_header(char *buf, char *encoding)
 }
 
 static char *logmsg_reencode(const struct commit *commit,
-			     char *output_encoding)
+			     const char *output_encoding)
 {
+	static const char *utf8 = "utf-8";
+	const char *use_encoding;
 	char *encoding;
 	char *out;
-	char *utf8 = "utf-8";
 
 	if (!*output_encoding)
 		return NULL;
 	encoding = get_header(commit, "encoding");
-	if (!encoding)
-		encoding = utf8;
-	if (!strcmp(encoding, output_encoding))
-		out = strdup(commit->buffer);
+	use_encoding = encoding ? encoding : utf8;
+	if (!strcmp(use_encoding, output_encoding))
+		out = xstrdup(commit->buffer);
 	else
 		out = reencode_string(commit->buffer,
-				      output_encoding, encoding);
+				      output_encoding, use_encoding);
 	if (out)
 		out = replace_encoding_header(out, output_encoding);
 
-	if (encoding != utf8)
-		free(encoding);
-	if (!out)
-		return NULL;
+	free(encoding);
 	return out;
 }
 
@@ -763,7 +763,7 @@ static void fill_person(struct interp *table, const char *msg, int len)
 	if (msg + start == ep)
 		return;
 
-	table[5].value = xstrndup(msg + start, ep - msg + start);
+	table[5].value = xstrndup(msg + start, ep - (msg + start));
 
 	/* parse tz */
 	for (start = ep - msg + 1; start < len && isspace(msg[start]); start++)
@@ -852,19 +852,23 @@ static long format_commit_message(const struct commit *commit,
 	interp_set_entry(table, ITREE_ABBREV,
 			find_unique_abbrev(commit->tree->object.sha1,
 				DEFAULT_ABBREV));
+
+	parents[1] = 0;
 	for (i = 0, p = commit->parents;
 			p && i < sizeof(parents) - 1;
 			p = p->next)
-		i += snprintf(parents + i, sizeof(parents) - i - 1, "%s ",
+		i += snprintf(parents + i, sizeof(parents) - i - 1, " %s",
 			sha1_to_hex(p->item->object.sha1));
-	interp_set_entry(table, IPARENTS, parents);
+	interp_set_entry(table, IPARENTS, parents + 1);
+
+	parents[1] = 0;
 	for (i = 0, p = commit->parents;
 			p && i < sizeof(parents) - 1;
 			p = p->next)
-		i += snprintf(parents + i, sizeof(parents) - i - 1, "%s ",
+		i += snprintf(parents + i, sizeof(parents) - i - 1, " %s",
 			find_unique_abbrev(p->item->object.sha1,
 				DEFAULT_ABBREV));
-	interp_set_entry(table, IPARENTS_ABBREV, parents);
+	interp_set_entry(table, IPARENTS_ABBREV, parents + 1);
 
 	for (i = 0, state = HEADER; msg[i] && state < BODY; i++) {
 		int eol;
@@ -887,7 +891,8 @@ static long format_commit_message(const struct commit *commit,
 			fill_person(table + ICOMMITTER_NAME,
 					msg + i + 10, eol - i - 10);
 		else if (!prefixcmp(msg + i, "encoding "))
-			table[IENCODING].value = xstrndup(msg + i, eol - i);
+			table[IENCODING].value =
+				xstrndup(msg + i + 9, eol - i - 9);
 		i = eol;
 	}
 	if (msg[i])
@@ -917,7 +922,7 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt,
 	const char *msg = commit->buffer;
 	int plain_non_ascii = 0;
 	char *reencoded;
-	char *encoding;
+	const char *encoding;
 
 	if (fmt == CMIT_FMT_USERFORMAT)
 		return format_commit_message(commit, msg, buf, space);