X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=pretty.c;h=703f52176bf0b5cbf52cf1f77ba55ba6d87fac94;hb=f3ec549481827b10609a43bf504517a0e8063a12;hp=9db75b4e4f24b28ca44d65750ec6ebb4feb99eee;hpb=b2e163272c01aca4aee4684f5c683ba341c1953d;p=git.git diff --git a/pretty.c b/pretty.c index 9db75b4e4..703f52176 100644 --- a/pretty.c +++ b/pretty.c @@ -30,8 +30,7 @@ enum cmit_fmt get_commit_format(const char *arg) 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; } @@ -110,9 +109,9 @@ needquote: strbuf_addstr(sb, "?="); } -static void add_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb, - const char *line, enum date_mode dmode, - const char *encoding) +void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb, + const char *line, enum date_mode dmode, + const char *encoding) { char *date; int namelen; @@ -282,51 +281,59 @@ static char *logmsg_reencode(const struct commit *commit, 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 */ @@ -341,17 +348,28 @@ static void format_person_part(struct strbuf *sb, char part, 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 { @@ -412,7 +430,7 @@ static void parse_commit_header(struct format_commit_context *context) 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; @@ -425,12 +443,14 @@ static void parse_commit_header(struct format_commit_context *context) 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; @@ -441,23 +461,23 @@ static void format_commit_item(struct strbuf *sb, const char *placeholder, /* 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 */ @@ -467,34 +487,34 @@ static void format_commit_item(struct strbuf *sb, const char *placeholder, 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, ' '); @@ -503,14 +523,14 @@ static void format_commit_item(struct strbuf *sb, const char *placeholder, } 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. */ @@ -518,66 +538,33 @@ static void format_commit_item(struct strbuf *sb, const char *placeholder, 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, @@ -633,23 +620,23 @@ static void pp_header(enum cmit_fmt fmt, */ if (!memcmp(line, "author ", 7)) { strbuf_grow(sb, linelen + 80); - add_user_info("Author", fmt, sb, line + 7, dmode, encoding); + pp_user_info("Author", fmt, sb, line + 7, dmode, encoding); } if (!memcmp(line, "committer ", 10) && (fmt == CMIT_FMT_FULL || fmt == CMIT_FMT_FULLER)) { strbuf_grow(sb, linelen + 80); - add_user_info("Commit", fmt, sb, line + 10, dmode, encoding); + pp_user_info("Commit", fmt, sb, line + 10, dmode, encoding); } } } -static void pp_title_line(enum cmit_fmt fmt, - const char **msg_p, - struct strbuf *sb, - const char *subject, - const char *after_subject, - const char *encoding, - int plain_non_ascii) +void pp_title_line(enum cmit_fmt fmt, + const char **msg_p, + struct strbuf *sb, + const char *subject, + const char *after_subject, + const char *encoding, + int plain_non_ascii) { struct strbuf title; @@ -698,10 +685,10 @@ static void pp_title_line(enum cmit_fmt fmt, strbuf_release(&title); } -static void pp_remainder(enum cmit_fmt fmt, - const char **msg_p, - struct strbuf *sb, - int indent) +void pp_remainder(enum cmit_fmt fmt, + const char **msg_p, + struct strbuf *sb, + int indent) { int first = 1; for (;;) {