static int add_message_id;
static int use_inbody_headers = 1;
-#define MAX_HDR_PARSED 10
#define MAX_BOUNDARIES 5
-static void cleanup_space(struct strbuf *sb);
-
+static void cleanup_space(struct strbuf *sb)
+{
+ size_t pos, cnt;
+ for (pos = 0; pos < sb->len; pos++) {
+ if (isspace(sb->buf[pos])) {
+ sb->buf[pos] = ' ';
+ for (cnt = 0; isspace(sb->buf[pos + cnt + 1]); cnt++);
+ strbuf_remove(sb, pos + 1, cnt);
+ }
+ }
+}
static void get_sane_name(struct strbuf *out, struct strbuf *name, struct strbuf *email)
{
strbuf_trim(subject);
}
-static void cleanup_space(struct strbuf *sb)
-{
- size_t pos, cnt;
- for (pos = 0; pos < sb->len; pos++) {
- if (isspace(sb->buf[pos])) {
- sb->buf[pos] = ' ';
- for (cnt = 0; isspace(sb->buf[pos + cnt + 1]); cnt++);
- strbuf_remove(sb, pos + 1, cnt);
- }
- }
-}
-
-static void decode_header(struct strbuf *line);
+#define MAX_HDR_PARSED 10
static const char *header[MAX_HDR_PARSED] = {
"From","Subject","Date",
};
return !memcmp(SAMPLE + (cp - line), cp, strlen(SAMPLE) - (cp - line));
}
-static int check_header(const struct strbuf *line,
- struct strbuf *hdr_data[], int overwrite)
-{
- int i, ret = 0, len;
- struct strbuf sb = STRBUF_INIT;
- /* search for the interesting parts */
- for (i = 0; header[i]; i++) {
- int len = strlen(header[i]);
- if ((!hdr_data[i] || overwrite) && cmp_header(line, header[i])) {
- /* Unwrap inline B and Q encoding, and optionally
- * normalize the meta information to utf8.
- */
- strbuf_add(&sb, line->buf + len + 2, line->len - len - 2);
- decode_header(&sb);
- handle_header(&hdr_data[i], &sb);
- ret = 1;
- goto check_header_out;
- }
- }
-
- /* Content stuff */
- if (cmp_header(line, "Content-Type")) {
- len = strlen("Content-Type: ");
- strbuf_add(&sb, line->buf + len, line->len - len);
- decode_header(&sb);
- strbuf_insert(&sb, 0, "Content-Type: ", len);
- handle_content_type(&sb);
- ret = 1;
- goto check_header_out;
- }
- if (cmp_header(line, "Content-Transfer-Encoding")) {
- len = strlen("Content-Transfer-Encoding: ");
- strbuf_add(&sb, line->buf + len, line->len - len);
- decode_header(&sb);
- handle_content_transfer_encoding(&sb);
- ret = 1;
- goto check_header_out;
- }
- if (cmp_header(line, "Message-Id")) {
- len = strlen("Message-Id: ");
- strbuf_add(&sb, line->buf + len, line->len - len);
- decode_header(&sb);
- handle_message_id(&sb);
- ret = 1;
- goto check_header_out;
- }
-
- /* for inbody stuff */
- if (starts_with(line->buf, ">From") && isspace(line->buf[5])) {
- ret = is_format_patch_separator(line->buf + 1, line->len - 1);
- goto check_header_out;
- }
- if (starts_with(line->buf, "[PATCH]") && isspace(line->buf[7])) {
- for (i = 0; header[i]; i++) {
- if (!strcmp("Subject", header[i])) {
- handle_header(&hdr_data[i], line);
- ret = 1;
- goto check_header_out;
- }
- }
- }
-
-check_header_out:
- strbuf_release(&sb);
- return ret;
-}
-
-static int is_rfc2822_header(const struct strbuf *line)
-{
- /*
- * The section that defines the loosest possible
- * field name is "3.6.8 Optional fields".
- *
- * optional-field = field-name ":" unstructured CRLF
- * field-name = 1*ftext
- * ftext = %d33-57 / %59-126
- */
- int ch;
- char *cp = line->buf;
-
- /* Count mbox From headers as headers */
- if (starts_with(cp, "From ") || starts_with(cp, ">From "))
- return 1;
-
- while ((ch = *cp++)) {
- if (ch == ':')
- return 1;
- if ((33 <= ch && ch <= 57) ||
- (59 <= ch && ch <= 126))
- continue;
- break;
- }
- return 0;
-}
-
-static int read_one_header_line(struct strbuf *line, FILE *in)
-{
- /* Get the first part of the line. */
- if (strbuf_getline(line, in, '\n'))
- return 0;
-
- /*
- * Is it an empty line or not a valid rfc2822 header?
- * If so, stop here, and return false ("not a header")
- */
- strbuf_rtrim(line);
- if (!line->len || !is_rfc2822_header(line)) {
- /* Re-add the newline */
- strbuf_addch(line, '\n');
- return 0;
- }
-
- /*
- * Now we need to eat all the continuation lines..
- * Yuck, 2822 header "folding"
- */
- for (;;) {
- int peek;
- struct strbuf continuation = STRBUF_INIT;
-
- peek = fgetc(in); ungetc(peek, in);
- if (peek != ' ' && peek != '\t')
- break;
- if (strbuf_getline(&continuation, in, '\n'))
- break;
- continuation.buf[0] = ' ';
- strbuf_rtrim(&continuation);
- strbuf_addbuf(line, &continuation);
- }
-
- return 1;
-}
-
static struct strbuf *decode_q_segment(const struct strbuf *q_seg, int rfc2047)
{
const char *in = q_seg->buf;
strbuf_release(&piecebuf);
}
+static int check_header(const struct strbuf *line,
+ struct strbuf *hdr_data[], int overwrite)
+{
+ int i, ret = 0, len;
+ struct strbuf sb = STRBUF_INIT;
+ /* search for the interesting parts */
+ for (i = 0; header[i]; i++) {
+ int len = strlen(header[i]);
+ if ((!hdr_data[i] || overwrite) && cmp_header(line, header[i])) {
+ /* Unwrap inline B and Q encoding, and optionally
+ * normalize the meta information to utf8.
+ */
+ strbuf_add(&sb, line->buf + len + 2, line->len - len - 2);
+ decode_header(&sb);
+ handle_header(&hdr_data[i], &sb);
+ ret = 1;
+ goto check_header_out;
+ }
+ }
+
+ /* Content stuff */
+ if (cmp_header(line, "Content-Type")) {
+ len = strlen("Content-Type: ");
+ strbuf_add(&sb, line->buf + len, line->len - len);
+ decode_header(&sb);
+ strbuf_insert(&sb, 0, "Content-Type: ", len);
+ handle_content_type(&sb);
+ ret = 1;
+ goto check_header_out;
+ }
+ if (cmp_header(line, "Content-Transfer-Encoding")) {
+ len = strlen("Content-Transfer-Encoding: ");
+ strbuf_add(&sb, line->buf + len, line->len - len);
+ decode_header(&sb);
+ handle_content_transfer_encoding(&sb);
+ ret = 1;
+ goto check_header_out;
+ }
+ if (cmp_header(line, "Message-Id")) {
+ len = strlen("Message-Id: ");
+ strbuf_add(&sb, line->buf + len, line->len - len);
+ decode_header(&sb);
+ handle_message_id(&sb);
+ ret = 1;
+ goto check_header_out;
+ }
+
+ /* for inbody stuff */
+ if (starts_with(line->buf, ">From") && isspace(line->buf[5])) {
+ ret = is_format_patch_separator(line->buf + 1, line->len - 1);
+ goto check_header_out;
+ }
+ if (starts_with(line->buf, "[PATCH]") && isspace(line->buf[7])) {
+ for (i = 0; header[i]; i++) {
+ if (!strcmp("Subject", header[i])) {
+ handle_header(&hdr_data[i], line);
+ ret = 1;
+ goto check_header_out;
+ }
+ }
+ }
+
+check_header_out:
+ strbuf_release(&sb);
+ return ret;
+}
+
static void decode_transfer_encoding(struct strbuf *line)
{
struct strbuf *ret;
free(ret);
}
-static void handle_filter(struct strbuf *line);
-
-static int find_boundary(void)
-{
- while (!strbuf_getline(&line, fin, '\n')) {
- if (*content_top && is_multipart_boundary(&line))
- return 1;
- }
- return 0;
-}
-
-static int handle_boundary(void)
-{
- struct strbuf newline = STRBUF_INIT;
-
- strbuf_addch(&newline, '\n');
-again:
- if (line.len >= (*content_top)->len + 2 &&
- !memcmp(line.buf + (*content_top)->len, "--", 2)) {
- /* we hit an end boundary */
- /* pop the current boundary off the stack */
- strbuf_release(*content_top);
- free(*content_top);
- *content_top = NULL;
-
- /* technically won't happen as is_multipart_boundary()
- will fail first. But just in case..
- */
- if (--content_top < content) {
- fprintf(stderr, "Detected mismatched boundaries, "
- "can't recover\n");
- exit(1);
- }
- handle_filter(&newline);
- strbuf_release(&newline);
-
- /* skip to the next boundary */
- if (!find_boundary())
- return 0;
- goto again;
- }
-
- /* set some defaults */
- transfer_encoding = TE_DONTCARE;
- strbuf_reset(&charset);
-
- /* slurp in this section's info */
- while (read_one_header_line(&line, fin))
- check_header(&line, p_hdr_data, 0);
-
- strbuf_release(&newline);
- /* replenish line */
- if (strbuf_getline(&line, fin, '\n'))
- return 0;
- strbuf_addch(&line, '\n');
- return 1;
-}
-
static inline int patchbreak(const struct strbuf *line)
{
size_t i;
gap * 2 < perforation);
}
-static int handle_commit_msg(struct strbuf *line)
+static int handle_commit_msg(struct strbuf *line, int *still_looking)
{
- static int still_looking = 1;
-
if (!cmitmsg)
return 0;
- if (still_looking) {
+ if (*still_looking) {
if (!line->len || (line->len == 1 && line->buf[0] == '\n'))
return 0;
}
- if (use_inbody_headers && still_looking) {
- still_looking = check_header(line, s_hdr_data, 0);
- if (still_looking)
+ if (use_inbody_headers && *still_looking) {
+ *still_looking = check_header(line, s_hdr_data, 0);
+ if (*still_looking)
return 0;
} else
/* Only trim the first (blank) line of the commit message
* when ignoring in-body headers.
*/
- still_looking = 0;
+ *still_looking = 0;
/* normalize the log message to UTF-8. */
if (metainfo_charset)
die_errno("Could not rewind output message file");
if (ftruncate(fileno(cmitmsg), 0))
die_errno("Could not truncate output message file at scissors");
- still_looking = 1;
+ *still_looking = 1;
/*
* We may have already read "secondary headers"; purge
patch_lines++;
}
-static void handle_filter(struct strbuf *line)
+static void handle_filter(struct strbuf *line, int *filter_stage, int *header_stage)
{
- static int filter = 0;
-
- /* filter tells us which part we left off on */
- switch (filter) {
+ switch (*filter_stage) {
case 0:
- if (!handle_commit_msg(line))
+ if (!handle_commit_msg(line, header_stage))
break;
- filter++;
+ (*filter_stage)++;
case 1:
handle_patch(line);
break;
}
}
-static void handle_body(void)
+static int is_rfc2822_header(const struct strbuf *line)
+{
+ /*
+ * The section that defines the loosest possible
+ * field name is "3.6.8 Optional fields".
+ *
+ * optional-field = field-name ":" unstructured CRLF
+ * field-name = 1*ftext
+ * ftext = %d33-57 / %59-126
+ */
+ int ch;
+ char *cp = line->buf;
+
+ /* Count mbox From headers as headers */
+ if (starts_with(cp, "From ") || starts_with(cp, ">From "))
+ return 1;
+
+ while ((ch = *cp++)) {
+ if (ch == ':')
+ return 1;
+ if ((33 <= ch && ch <= 57) ||
+ (59 <= ch && ch <= 126))
+ continue;
+ break;
+ }
+ return 0;
+}
+
+static int read_one_header_line(struct strbuf *line, FILE *in)
+{
+ struct strbuf continuation = STRBUF_INIT;
+
+ /* Get the first part of the line. */
+ if (strbuf_getline(line, in, '\n'))
+ return 0;
+
+ /*
+ * Is it an empty line or not a valid rfc2822 header?
+ * If so, stop here, and return false ("not a header")
+ */
+ strbuf_rtrim(line);
+ if (!line->len || !is_rfc2822_header(line)) {
+ /* Re-add the newline */
+ strbuf_addch(line, '\n');
+ return 0;
+ }
+
+ /*
+ * Now we need to eat all the continuation lines..
+ * Yuck, 2822 header "folding"
+ */
+ for (;;) {
+ int peek;
+
+ peek = fgetc(in); ungetc(peek, in);
+ if (peek != ' ' && peek != '\t')
+ break;
+ if (strbuf_getline(&continuation, in, '\n'))
+ break;
+ continuation.buf[0] = ' ';
+ strbuf_rtrim(&continuation);
+ strbuf_addbuf(line, &continuation);
+ }
+ strbuf_release(&continuation);
+
+ return 1;
+}
+
+static int find_boundary(void)
+{
+ while (!strbuf_getline(&line, fin, '\n')) {
+ if (*content_top && is_multipart_boundary(&line))
+ return 1;
+ }
+ return 0;
+}
+
+static int handle_boundary(struct strbuf *line, int *filter_stage, int *header_stage)
+{
+ struct strbuf newline = STRBUF_INIT;
+
+ strbuf_addch(&newline, '\n');
+again:
+ if (line->len >= (*content_top)->len + 2 &&
+ !memcmp(line->buf + (*content_top)->len, "--", 2)) {
+ /* we hit an end boundary */
+ /* pop the current boundary off the stack */
+ strbuf_release(*content_top);
+ free(*content_top);
+ *content_top = NULL;
+
+ /* technically won't happen as is_multipart_boundary()
+ will fail first. But just in case..
+ */
+ if (--content_top < content) {
+ fprintf(stderr, "Detected mismatched boundaries, "
+ "can't recover\n");
+ exit(1);
+ }
+ handle_filter(&newline, filter_stage, header_stage);
+ strbuf_release(&newline);
+
+ /* skip to the next boundary */
+ if (!find_boundary())
+ return 0;
+ goto again;
+ }
+
+ /* set some defaults */
+ transfer_encoding = TE_DONTCARE;
+ strbuf_reset(&charset);
+
+ /* slurp in this section's info */
+ while (read_one_header_line(line, fin))
+ check_header(line, p_hdr_data, 0);
+
+ strbuf_release(&newline);
+ /* replenish line */
+ if (strbuf_getline(line, fin, '\n'))
+ return 0;
+ strbuf_addch(line, '\n');
+ return 1;
+}
+
+static void handle_body(struct strbuf *line)
{
struct strbuf prev = STRBUF_INIT;
+ int filter_stage = 0;
+ int header_stage = 1;
/* Skip up to the first boundary */
if (*content_top) {
do {
/* process any boundary lines */
- if (*content_top && is_multipart_boundary(&line)) {
+ if (*content_top && is_multipart_boundary(line)) {
/* flush any leftover */
if (prev.len) {
- handle_filter(&prev);
+ handle_filter(&prev, &filter_stage, &header_stage);
strbuf_reset(&prev);
}
- if (!handle_boundary())
+ if (!handle_boundary(line, &filter_stage, &header_stage))
goto handle_body_out;
}
/* Unwrap transfer encoding */
- decode_transfer_encoding(&line);
+ decode_transfer_encoding(line);
switch (transfer_encoding) {
case TE_BASE64:
struct strbuf **lines, **it, *sb;
/* Prepend any previous partial lines */
- strbuf_insert(&line, 0, prev.buf, prev.len);
+ strbuf_insert(line, 0, prev.buf, prev.len);
strbuf_reset(&prev);
/*
* multiple new lines. Pass only one chunk
* at a time to handle_filter()
*/
- lines = strbuf_split(&line, '\n');
+ lines = strbuf_split(line, '\n');
for (it = lines; (sb = *it); it++) {
if (*(it + 1) == NULL) /* The last line */
if (sb->buf[sb->len - 1] != '\n') {
strbuf_addbuf(&prev, sb);
break;
}
- handle_filter(sb);
+ handle_filter(sb, &filter_stage, &header_stage);
}
/*
* The partial chunk is saved in "prev" and will be
break;
}
default:
- handle_filter(&line);
+ handle_filter(line, &filter_stage, &header_stage);
}
- } while (!strbuf_getwholeline(&line, fin, '\n'));
+ } while (!strbuf_getwholeline(line, fin, '\n'));
handle_body_out:
strbuf_release(&prev);
while (read_one_header_line(&line, fin))
check_header(&line, p_hdr_data, 1);
- handle_body();
+ handle_body(&line);
+ fclose(patchfile);
+
handle_info();
return 0;