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-rw-r--r--pretty.c64
1 files changed, 26 insertions, 38 deletions
diff --git a/pretty.c b/pretty.c
index f64ff9a10c..f3e8b6c5bc 100644
--- a/pretty.c
+++ b/pretty.c
@@ -555,14 +555,13 @@ static char *get_header(const struct commit *commit, const char *msg,
const char *line = msg;
while (line) {
- const char *eol = strchr(line, '\n'), *next;
+ const char *eol = strchrnul(line, '\n'), *next;
if (line == eol)
return NULL;
- if (!eol) {
+ if (!*eol) {
warning("malformed commit (header is missing newline): %s",
sha1_to_hex(commit->object.sha1));
- eol = line + strlen(line);
next = NULL;
} else
next = eol + 1;
@@ -607,29 +606,16 @@ static char *replace_encoding_header(char *buf, const char *encoding)
return strbuf_detach(&tmp, NULL);
}
-char *logmsg_reencode(const struct commit *commit,
- char **commit_encoding,
- const char *output_encoding)
+const char *logmsg_reencode(const struct commit *commit,
+ char **commit_encoding,
+ const char *output_encoding)
{
static const char *utf8 = "UTF-8";
const char *use_encoding;
char *encoding;
- char *msg = commit->buffer;
+ const char *msg = get_commit_buffer(commit, NULL);
char *out;
- if (!msg) {
- enum object_type type;
- unsigned long size;
-
- msg = read_sha1_file(commit->object.sha1, &type, &size);
- if (!msg)
- die("Cannot read commit object %s",
- sha1_to_hex(commit->object.sha1));
- if (type != OBJ_COMMIT)
- die("Expected commit for '%s', got %s",
- sha1_to_hex(commit->object.sha1), typename(type));
- }
-
if (!output_encoding || !*output_encoding) {
if (commit_encoding)
*commit_encoding =
@@ -653,12 +639,13 @@ char *logmsg_reencode(const struct commit *commit,
* Otherwise, we still want to munge the encoding header in the
* result, which will be done by modifying the buffer. If we
* are using a fresh copy, we can reuse it. But if we are using
- * the cached copy from commit->buffer, we need to duplicate it
- * to avoid munging commit->buffer.
+ * the cached copy from get_commit_buffer, we need to duplicate it
+ * to avoid munging the cached copy.
*/
- out = msg;
- if (out == commit->buffer)
- out = xstrdup(out);
+ if (msg == get_cached_commit_buffer(commit, NULL))
+ out = xstrdup(msg);
+ else
+ out = (char *)msg;
}
else {
/*
@@ -668,8 +655,8 @@ char *logmsg_reencode(const struct commit *commit,
* copy, we can free it.
*/
out = reencode_string(msg, output_encoding, use_encoding);
- if (out && msg != commit->buffer)
- free(msg);
+ if (out)
+ unuse_commit_buffer(commit, msg);
}
/*
@@ -688,12 +675,6 @@ char *logmsg_reencode(const struct commit *commit,
return out ? out : msg;
}
-void logmsg_free(char *msg, const struct commit *commit)
-{
- if (msg != commit->buffer)
- free(msg);
-}
-
static int mailmap_name(const char **email, size_t *email_len,
const char **name, size_t *name_len)
{
@@ -797,7 +778,7 @@ struct format_commit_context {
struct signature_check signature_check;
enum flush_type flush_type;
enum trunc_type truncate;
- char *message;
+ const char *message;
char *commit_encoding;
size_t width, indent1, indent2;
int auto_color;
@@ -1268,6 +1249,8 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
if (c->signature_check.key)
strbuf_addstr(sb, c->signature_check.key);
break;
+ default:
+ return 0;
}
return 2;
}
@@ -1507,13 +1490,18 @@ void format_commit_message(const struct commit *commit,
context.commit = commit;
context.pretty_ctx = pretty_ctx;
context.wrap_start = sb->len;
+ /*
+ * convert a commit message to UTF-8 first
+ * as far as 'format_commit_item' assumes it in UTF-8
+ */
context.message = logmsg_reencode(commit,
&context.commit_encoding,
- output_enc);
+ utf8);
strbuf_expand(sb, format, format_commit_item, &context);
rewrap_message_tail(sb, &context, 0, 0, 0);
+ /* then convert a commit message to an actual output encoding */
if (output_enc) {
if (same_encoding(utf8, output_enc))
output_enc = NULL;
@@ -1532,7 +1520,7 @@ void format_commit_message(const struct commit *commit,
}
free(context.commit_encoding);
- logmsg_free(context.message, commit);
+ unuse_commit_buffer(commit, context.message);
free(context.signature_check.gpg_output);
free(context.signature_check.signer);
}
@@ -1701,7 +1689,7 @@ void pretty_print_commit(struct pretty_print_context *pp,
unsigned long beginning_of_body;
int indent = 4;
const char *msg;
- char *reencoded;
+ const char *reencoded;
const char *encoding;
int need_8bit_cte = pp->need_8bit_cte;
@@ -1768,7 +1756,7 @@ void pretty_print_commit(struct pretty_print_context *pp,
if (pp->fmt == CMIT_FMT_EMAIL && sb->len <= beginning_of_body)
strbuf_addch(sb, '\n');
- logmsg_free(reencoded, commit);
+ unuse_commit_buffer(commit, reencoded);
}
void pp_commit_easy(enum cmit_fmt fmt, const struct commit *commit,