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diff --git a/pretty.c b/pretty.c
index 9db75b4e4f24b28ca44d65750ec6ebb4feb99eee..4bf3be2dd9552b1881ec863835fa2cd28e008090 100644 (file)
--- a/pretty.c
+++ b/pretty.c
if (*arg == '=')
arg++;
if (!prefixcmp(arg, "format:")) {
- if (user_format)
- free(user_format);
+ free(user_format);
user_format = xstrdup(arg + 7);
return CMIT_FMT_USERFORMAT;
}
return out;
}
-static void format_person_part(struct strbuf *sb, char part,
+static size_t format_person_part(struct strbuf *sb, char part,
const char *msg, int len)
{
+ /* currently all placeholders have same length */
+ const int placeholder_len = 2;
int start, end, tz = 0;
- unsigned long date;
+ unsigned long date = 0;
char *ep;
- /* parse name */
+ /* advance 'end' to point to email start delimiter */
for (end = 0; end < len && msg[end] != '<'; end++)
; /* do nothing */
- start = end + 1;
- while (end > 0 && isspace(msg[end - 1]))
- end--;
+
+ /*
+ * When end points at the '<' that we found, it should have
+ * matching '>' later, which means 'end' must be strictly
+ * below len - 1.
+ */
+ if (end >= len - 2)
+ goto skip;
+
if (part == 'n') { /* name */
+ while (end > 0 && isspace(msg[end - 1]))
+ end--;
strbuf_add(sb, msg, end);
- return;
+ return placeholder_len;
}
+ start = ++end; /* save email start position */
- if (start >= len)
- return;
-
- /* parse email */
- for (end = start + 1; end < len && msg[end] != '>'; end++)
+ /* advance 'end' to point to email end delimiter */
+ for ( ; end < len && msg[end] != '>'; end++)
; /* do nothing */
if (end >= len)
- return;
+ goto skip;
if (part == 'e') { /* email */
strbuf_add(sb, msg + start, end - start);
- return;
+ return placeholder_len;
}
- /* parse date */
+ /* advance 'start' to point to date start delimiter */
for (start = end + 1; start < len && isspace(msg[start]); start++)
; /* do nothing */
if (start >= len)
- return;
+ goto skip;
date = strtoul(msg + start, &ep, 10);
if (msg + start == ep)
- return;
+ goto skip;
if (part == 't') { /* date, UNIX timestamp */
strbuf_add(sb, msg + start, ep - (msg + start));
- return;
+ return placeholder_len;
}
/* parse tz */
switch (part) {
case 'd': /* date */
strbuf_addstr(sb, show_date(date, tz, DATE_NORMAL));
- return;
+ return placeholder_len;
case 'D': /* date, RFC2822 style */
strbuf_addstr(sb, show_date(date, tz, DATE_RFC2822));
- return;
+ return placeholder_len;
case 'r': /* date, relative */
strbuf_addstr(sb, show_date(date, tz, DATE_RELATIVE));
- return;
+ return placeholder_len;
case 'i': /* date, ISO 8601 */
strbuf_addstr(sb, show_date(date, tz, DATE_ISO8601));
- return;
+ return placeholder_len;
}
+
+skip:
+ /*
+ * bogus commit, 'sb' cannot be updated, but we still need to
+ * compute a valid return value.
+ */
+ if (part == 'n' || part == 'e' || part == 't' || part == 'd'
+ || part == 'D' || part == 'r' || part == 'i')
+ return placeholder_len;
+
+ return 0; /* unknown placeholder */
}
struct chunk {
if (i == eol) {
state++;
/* strip empty lines */
- while (msg[eol + 1] == '\n')
+ while (msg[eol] == '\n' && msg[eol + 1] == '\n')
eol++;
} else if (!prefixcmp(msg + i, "author ")) {
context->author.off = i + 7;
context->encoding.len = eol - i - 9;
}
i = eol;
+ if (!msg[i])
+ break;
}
context->body_off = i;
context->commit_header_parsed = 1;
}
-static void format_commit_item(struct strbuf *sb, const char *placeholder,
+static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
void *context)
{
struct format_commit_context *c = context;
/* these are independent of the commit */
switch (placeholder[0]) {
case 'C':
- switch (placeholder[3]) {
- case 'd': /* red */
+ if (!prefixcmp(placeholder + 1, "red")) {
strbuf_addstr(sb, "\033[31m");
- return;
- case 'e': /* green */
+ return 4;
+ } else if (!prefixcmp(placeholder + 1, "green")) {
strbuf_addstr(sb, "\033[32m");
- return;
- case 'u': /* blue */
+ return 6;
+ } else if (!prefixcmp(placeholder + 1, "blue")) {
strbuf_addstr(sb, "\033[34m");
- return;
- case 's': /* reset color */
+ return 5;
+ } else if (!prefixcmp(placeholder + 1, "reset")) {
strbuf_addstr(sb, "\033[m");
- return;
- }
+ return 6;
+ } else
+ return 0;
case 'n': /* newline */
strbuf_addch(sb, '\n');
- return;
+ return 1;
}
/* these depend on the commit */
switch (placeholder[0]) {
case 'H': /* commit hash */
strbuf_addstr(sb, sha1_to_hex(commit->object.sha1));
- return;
+ return 1;
case 'h': /* abbreviated commit hash */
if (add_again(sb, &c->abbrev_commit_hash))
- return;
+ return 1;
strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1,
DEFAULT_ABBREV));
c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off;
- return;
+ return 1;
case 'T': /* tree hash */
strbuf_addstr(sb, sha1_to_hex(commit->tree->object.sha1));
- return;
+ return 1;
case 't': /* abbreviated tree hash */
if (add_again(sb, &c->abbrev_tree_hash))
- return;
+ return 1;
strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.sha1,
DEFAULT_ABBREV));
c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off;
- return;
+ return 1;
case 'P': /* parent hashes */
for (p = commit->parents; p; p = p->next) {
if (p != commit->parents)
strbuf_addch(sb, ' ');
strbuf_addstr(sb, sha1_to_hex(p->item->object.sha1));
}
- return;
+ return 1;
case 'p': /* abbreviated parent hashes */
if (add_again(sb, &c->abbrev_parent_hashes))
- return;
+ return 1;
for (p = commit->parents; p; p = p->next) {
if (p != commit->parents)
strbuf_addch(sb, ' ');
}
c->abbrev_parent_hashes.len = sb->len -
c->abbrev_parent_hashes.off;
- return;
+ return 1;
case 'm': /* left/right/bottom */
strbuf_addch(sb, (commit->object.flags & BOUNDARY)
? '-'
: (commit->object.flags & SYMMETRIC_LEFT)
? '<'
: '>');
- return;
+ return 1;
}
/* For the rest we have to parse the commit header. */
parse_commit_header(c);
switch (placeholder[0]) {
- case 's':
+ case 's': /* subject */
strbuf_add(sb, msg + c->subject.off, c->subject.len);
- return;
- case 'a':
- format_person_part(sb, placeholder[1],
+ return 1;
+ case 'a': /* author ... */
+ return format_person_part(sb, placeholder[1],
msg + c->author.off, c->author.len);
- return;
- case 'c':
- format_person_part(sb, placeholder[1],
+ case 'c': /* committer ... */
+ return format_person_part(sb, placeholder[1],
msg + c->committer.off, c->committer.len);
- return;
- case 'e':
+ case 'e': /* encoding */
strbuf_add(sb, msg + c->encoding.off, c->encoding.len);
- return;
- case 'b':
+ return 1;
+ case 'b': /* body */
strbuf_addstr(sb, msg + c->body_off);
- return;
+ return 1;
}
+ return 0; /* unknown placeholder */
}
void format_commit_message(const struct commit *commit,
const void *format, struct strbuf *sb)
{
- const char *placeholders[] = {
- "H", /* commit hash */
- "h", /* abbreviated commit hash */
- "T", /* tree hash */
- "t", /* abbreviated tree hash */
- "P", /* parent hashes */
- "p", /* abbreviated parent hashes */
- "an", /* author name */
- "ae", /* author email */
- "ad", /* author date */
- "aD", /* author date, RFC2822 style */
- "ar", /* author date, relative */
- "at", /* author date, UNIX timestamp */
- "ai", /* author date, ISO 8601 */
- "cn", /* committer name */
- "ce", /* committer email */
- "cd", /* committer date */
- "cD", /* committer date, RFC2822 style */
- "cr", /* committer date, relative */
- "ct", /* committer date, UNIX timestamp */
- "ci", /* committer date, ISO 8601 */
- "e", /* encoding */
- "s", /* subject */
- "b", /* body */
- "Cred", /* red */
- "Cgreen", /* green */
- "Cblue", /* blue */
- "Creset", /* reset color */
- "n", /* newline */
- "m", /* left/right/bottom */
- NULL
- };
struct format_commit_context context;
memset(&context, 0, sizeof(context));
context.commit = commit;
- strbuf_expand(sb, format, placeholders, format_commit_item, &context);
+ strbuf_expand(sb, format, format_commit_item, &context);
}
static void pp_header(enum cmit_fmt fmt,