diff options
| -rw-r--r-- | commit.c | 82 |
1 files changed, 55 insertions, 27 deletions
@@ -464,20 +464,29 @@ static int get_one_line(const char *msg, unsigned long len) return ret; } +/* High bit set, or ISO-2022-INT */ +static int non_ascii(int ch) +{ + ch = (ch & 0xff); + return ((ch & 0x80) || (ch == 0x1b)); +} + static int is_rfc2047_special(char ch) { - return ((ch & 0x80) || (ch == '=') || (ch == '?') || (ch == '_')); + return (non_ascii(ch) || (ch == '=') || (ch == '?') || (ch == '_')); } -static int add_rfc2047(char *buf, const char *line, int len) +static int add_rfc2047(char *buf, const char *line, int len, + const char *encoding) { char *bp = buf; int i, needquote; - static const char q_utf8[] = "=?utf-8?q?"; + char q_encoding[128]; + const char *q_encoding_fmt = "=?%s?q?"; for (i = needquote = 0; !needquote && i < len; i++) { - unsigned ch = line[i]; - if (ch & 0x80) + int ch = line[i]; + if (non_ascii(ch)) needquote++; if ((i + 1 < len) && (ch == '=' && line[i+1] == '?')) @@ -486,8 +495,11 @@ static int add_rfc2047(char *buf, const char *line, int len) if (!needquote) return sprintf(buf, "%.*s", len, line); - memcpy(bp, q_utf8, sizeof(q_utf8)-1); - bp += sizeof(q_utf8)-1; + i = snprintf(q_encoding, sizeof(q_encoding), q_encoding_fmt, encoding); + if (sizeof(q_encoding) < i) + die("Insanely long encoding name %s", encoding); + memcpy(bp, q_encoding, i); + bp += i; for (i = 0; i < len; i++) { unsigned ch = line[i] & 0xFF; if (is_rfc2047_special(ch)) { @@ -505,7 +517,8 @@ static int add_rfc2047(char *buf, const char *line, int len) } static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, - const char *line, int relative_date) + const char *line, int relative_date, + const char *encoding) { char *date; int namelen; @@ -533,7 +546,8 @@ static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, filler = ""; strcpy(buf, "From: "); ret = strlen(buf); - ret += add_rfc2047(buf + ret, line, display_name_length); + ret += add_rfc2047(buf + ret, line, display_name_length, + encoding); memcpy(buf + ret, name_tail, namelen - display_name_length); ret += namelen - display_name_length; buf[ret++] = '\n'; @@ -668,21 +682,18 @@ static char *replace_encoding_header(char *buf, char *encoding) return buf; } -static char *logmsg_reencode(const struct commit *commit) +static char *logmsg_reencode(const struct commit *commit, + char *output_encoding) { char *encoding; char *out; - char *output_encoding = (git_log_output_encoding - ? git_log_output_encoding - : git_commit_encoding); + char *utf8 = "utf-8"; - if (!output_encoding) - output_encoding = "utf-8"; - else if (!*output_encoding) + if (!*output_encoding) return NULL; encoding = get_header(commit, "encoding"); if (!encoding) - return NULL; + encoding = utf8; if (!strcmp(encoding, output_encoding)) out = strdup(commit->buffer); else @@ -691,7 +702,8 @@ static char *logmsg_reencode(const struct commit *commit) if (out) out = replace_encoding_header(out, output_encoding); - free(encoding); + if (encoding != utf8) + free(encoding); if (!out) return NULL; return out; @@ -711,8 +723,15 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, int parents_shown = 0; const char *msg = commit->buffer; int plain_non_ascii = 0; - char *reencoded = logmsg_reencode(commit); + char *reencoded; + char *encoding; + encoding = (git_log_output_encoding + ? git_log_output_encoding + : git_commit_encoding); + if (!encoding) + encoding = "utf-8"; + reencoded = logmsg_reencode(commit, encoding); if (reencoded) msg = reencoded; @@ -738,7 +757,7 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, i + 1 < len && msg[i+1] == '\n') in_body = 1; } - else if (ch & 0x80) { + else if (non_ascii(ch)) { plain_non_ascii = 1; break; } @@ -797,13 +816,15 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, offset += add_user_info("Author", fmt, buf + offset, line + 7, - relative_date); + relative_date, + encoding); if (!memcmp(line, "committer ", 10) && (fmt == CMIT_FMT_FULL || fmt == CMIT_FMT_FULLER)) offset += add_user_info("Commit", fmt, buf + offset, line + 10, - relative_date); + relative_date, + encoding); continue; } @@ -826,7 +847,8 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, int slen = strlen(subject); memcpy(buf + offset, subject, slen); offset += slen; - offset += add_rfc2047(buf + offset, line, linelen); + offset += add_rfc2047(buf + offset, line, linelen, + encoding); } else { memset(buf + offset, ' ', indent); @@ -837,11 +859,17 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt, if (fmt == CMIT_FMT_ONELINE) break; if (subject && plain_non_ascii) { - static const char header[] = - "Content-Type: text/plain; charset=UTF-8\n" + int sz; + char header[512]; + const char *header_fmt = + "Content-Type: text/plain; charset=%s\n" "Content-Transfer-Encoding: 8bit\n"; - memcpy(buf + offset, header, sizeof(header)-1); - offset += sizeof(header)-1; + sz = snprintf(header, sizeof(header), header_fmt, + encoding); + if (sizeof(header) < sz) + die("Encoding name %s too long", encoding); + memcpy(buf + offset, header, sz); + offset += sz; } if (after_subject) { int slen = strlen(after_subject); |