2 * Another stupid program, this one parsing the headers of an
3 * email to figure out authorship and subject
10 static FILE *cmitmsg
, *patchfile
, *fin
, *fout
;
12 static int keep_subject
;
13 static int keep_non_patch_brackets_in_subject
;
14 static const char *metainfo_charset
;
15 static struct strbuf line
= STRBUF_INIT
;
16 static struct strbuf name
= STRBUF_INIT
;
17 static struct strbuf email
= STRBUF_INIT
;
20 TE_DONTCARE
, TE_QP
, TE_BASE64
26 static struct strbuf charset
= STRBUF_INIT
;
27 static int patch_lines
;
28 static struct strbuf
**p_hdr_data
, **s_hdr_data
;
29 static int use_scissors
;
30 static int use_inbody_headers
= 1;
32 #define MAX_HDR_PARSED 10
33 #define MAX_BOUNDARIES 5
35 static void cleanup_space(struct strbuf
*sb
);
38 static void get_sane_name(struct strbuf
*out
, struct strbuf
*name
, struct strbuf
*email
)
40 struct strbuf
*src
= name
;
41 if (name
->len
< 3 || 60 < name
->len
|| strchr(name
->buf
, '@') ||
42 strchr(name
->buf
, '<') || strchr(name
->buf
, '>'))
47 strbuf_addbuf(out
, src
);
50 static void parse_bogus_from(const struct strbuf
*line
)
52 /* John Doe <johndoe> */
55 /* This is fallback, so do not bother if we already have an
61 bra
= strchr(line
->buf
, '<');
64 ket
= strchr(bra
, '>');
69 strbuf_add(&email
, bra
+ 1, ket
- bra
- 1);
72 strbuf_add(&name
, line
->buf
, bra
- line
->buf
);
74 get_sane_name(&name
, &name
, &email
);
77 static void handle_from(const struct strbuf
*from
)
83 strbuf_init(&f
, from
->len
);
84 strbuf_addbuf(&f
, from
);
86 at
= strchr(f
.buf
, '@');
88 parse_bogus_from(from
);
93 * If we already have one email, don't take any confusing lines
95 if (email
.len
&& strchr(at
+ 1, '@')) {
100 /* Pick up the string around '@', possibly delimited with <>
101 * pair; that is the email part.
113 el
= strcspn(at
, " \n\t\r\v\f>");
114 strbuf_reset(&email
);
115 strbuf_add(&email
, at
, el
);
116 strbuf_remove(&f
, at
- f
.buf
, el
+ (at
[el
] ? 1 : 0));
118 /* The remainder is name. It could be
120 * - "John Doe <john.doe@xz>" (a), or
121 * - "john.doe@xz (John Doe)" (b), or
122 * - "John (zzz) Doe <john.doe@xz> (Comment)" (c)
124 * but we have removed the email part, so
126 * - remove extra spaces which could stay after email (case 'c'), and
127 * - trim from both ends, possibly removing the () pair at the end
128 * (cases 'a' and 'b').
132 if (f
.buf
[0] == '(' && f
.len
&& f
.buf
[f
.len
- 1] == ')') {
133 strbuf_remove(&f
, 0, 1);
134 strbuf_setlen(&f
, f
.len
- 1);
137 get_sane_name(&name
, &f
, &email
);
141 static void handle_header(struct strbuf
**out
, const struct strbuf
*line
)
144 *out
= xmalloc(sizeof(struct strbuf
));
145 strbuf_init(*out
, line
->len
);
149 strbuf_addbuf(*out
, line
);
152 /* NOTE NOTE NOTE. We do not claim we do full MIME. We just attempt
153 * to have enough heuristics to grok MIME encoded patches often found
154 * on our mailing lists. For example, we do not even treat header lines
155 * case insensitively.
158 static int slurp_attr(const char *line
, const char *name
, struct strbuf
*attr
)
160 const char *ends
, *ap
= strcasestr(line
, name
);
163 strbuf_setlen(attr
, 0);
173 sz
= strcspn(ap
, ends
);
174 strbuf_add(attr
, ap
, sz
);
178 static struct strbuf
*content
[MAX_BOUNDARIES
];
180 static struct strbuf
**content_top
= content
;
182 static void handle_content_type(struct strbuf
*line
)
184 struct strbuf
*boundary
= xmalloc(sizeof(struct strbuf
));
185 strbuf_init(boundary
, line
->len
);
187 if (!strcasestr(line
->buf
, "text/"))
188 message_type
= TYPE_OTHER
;
189 if (slurp_attr(line
->buf
, "boundary=", boundary
)) {
190 strbuf_insert(boundary
, 0, "--", 2);
191 if (++content_top
> &content
[MAX_BOUNDARIES
]) {
192 fprintf(stderr
, "Too many boundaries to handle\n");
195 *content_top
= boundary
;
198 slurp_attr(line
->buf
, "charset=", &charset
);
201 strbuf_release(boundary
);
206 static void handle_content_transfer_encoding(const struct strbuf
*line
)
208 if (strcasestr(line
->buf
, "base64"))
209 transfer_encoding
= TE_BASE64
;
210 else if (strcasestr(line
->buf
, "quoted-printable"))
211 transfer_encoding
= TE_QP
;
213 transfer_encoding
= TE_DONTCARE
;
216 static int is_multipart_boundary(const struct strbuf
*line
)
218 return (((*content_top
)->len
<= line
->len
) &&
219 !memcmp(line
->buf
, (*content_top
)->buf
, (*content_top
)->len
));
222 static void cleanup_subject(struct strbuf
*subject
)
226 while (at
< subject
->len
) {
230 switch (subject
->buf
[at
]) {
232 if (subject
->len
<= at
+ 3)
234 if ((subject
->buf
[at
+ 1] == 'e' ||
235 subject
->buf
[at
+ 1] == 'E') &&
236 subject
->buf
[at
+ 2] == ':') {
237 strbuf_remove(subject
, at
, 3);
242 case ' ': case '\t': case ':':
243 strbuf_remove(subject
, at
, 1);
246 pos
= strchr(subject
->buf
+ at
, ']');
249 remove
= pos
- subject
->buf
+ at
+ 1;
250 if (!keep_non_patch_brackets_in_subject
||
252 memmem(subject
->buf
+ at
, remove
, "PATCH", 5)))
253 strbuf_remove(subject
, at
, remove
);
257 * If the input had a space after the ], keep
258 * it. We don't bother with finding the end of
259 * the space, since we later normalize it
262 if (isspace(subject
->buf
[at
]))
269 strbuf_trim(subject
);
272 static void cleanup_space(struct strbuf
*sb
)
275 for (pos
= 0; pos
< sb
->len
; pos
++) {
276 if (isspace(sb
->buf
[pos
])) {
278 for (cnt
= 0; isspace(sb
->buf
[pos
+ cnt
+ 1]); cnt
++);
279 strbuf_remove(sb
, pos
+ 1, cnt
);
284 static void decode_header(struct strbuf
*line
);
285 static const char *header
[MAX_HDR_PARSED
] = {
286 "From","Subject","Date",
289 static inline int cmp_header(const struct strbuf
*line
, const char *hdr
)
291 int len
= strlen(hdr
);
292 return !strncasecmp(line
->buf
, hdr
, len
) && line
->len
> len
&&
293 line
->buf
[len
] == ':' && isspace(line
->buf
[len
+ 1]);
296 static int check_header(const struct strbuf
*line
,
297 struct strbuf
*hdr_data
[], int overwrite
)
300 struct strbuf sb
= STRBUF_INIT
;
301 /* search for the interesting parts */
302 for (i
= 0; header
[i
]; i
++) {
303 int len
= strlen(header
[i
]);
304 if ((!hdr_data
[i
] || overwrite
) && cmp_header(line
, header
[i
])) {
305 /* Unwrap inline B and Q encoding, and optionally
306 * normalize the meta information to utf8.
308 strbuf_add(&sb
, line
->buf
+ len
+ 2, line
->len
- len
- 2);
310 handle_header(&hdr_data
[i
], &sb
);
312 goto check_header_out
;
317 if (cmp_header(line
, "Content-Type")) {
318 len
= strlen("Content-Type: ");
319 strbuf_add(&sb
, line
->buf
+ len
, line
->len
- len
);
321 strbuf_insert(&sb
, 0, "Content-Type: ", len
);
322 handle_content_type(&sb
);
324 goto check_header_out
;
326 if (cmp_header(line
, "Content-Transfer-Encoding")) {
327 len
= strlen("Content-Transfer-Encoding: ");
328 strbuf_add(&sb
, line
->buf
+ len
, line
->len
- len
);
330 handle_content_transfer_encoding(&sb
);
332 goto check_header_out
;
335 /* for inbody stuff */
336 if (!prefixcmp(line
->buf
, ">From") && isspace(line
->buf
[5])) {
337 ret
= 1; /* Should this return 0? */
338 goto check_header_out
;
340 if (!prefixcmp(line
->buf
, "[PATCH]") && isspace(line
->buf
[7])) {
341 for (i
= 0; header
[i
]; i
++) {
342 if (!memcmp("Subject", header
[i
], 7)) {
343 handle_header(&hdr_data
[i
], line
);
345 goto check_header_out
;
355 static int is_rfc2822_header(const struct strbuf
*line
)
358 * The section that defines the loosest possible
359 * field name is "3.6.8 Optional fields".
361 * optional-field = field-name ":" unstructured CRLF
362 * field-name = 1*ftext
363 * ftext = %d33-57 / %59-126
366 char *cp
= line
->buf
;
368 /* Count mbox From headers as headers */
369 if (!prefixcmp(cp
, "From ") || !prefixcmp(cp
, ">From "))
372 while ((ch
= *cp
++)) {
375 if ((33 <= ch
&& ch
<= 57) ||
376 (59 <= ch
&& ch
<= 126))
383 static int read_one_header_line(struct strbuf
*line
, FILE *in
)
385 /* Get the first part of the line. */
386 if (strbuf_getline(line
, in
, '\n'))
390 * Is it an empty line or not a valid rfc2822 header?
391 * If so, stop here, and return false ("not a header")
394 if (!line
->len
|| !is_rfc2822_header(line
)) {
395 /* Re-add the newline */
396 strbuf_addch(line
, '\n');
401 * Now we need to eat all the continuation lines..
402 * Yuck, 2822 header "folding"
406 struct strbuf continuation
= STRBUF_INIT
;
408 peek
= fgetc(in
); ungetc(peek
, in
);
409 if (peek
!= ' ' && peek
!= '\t')
411 if (strbuf_getline(&continuation
, in
, '\n'))
413 continuation
.buf
[0] = ' ';
414 strbuf_rtrim(&continuation
);
415 strbuf_addbuf(line
, &continuation
);
421 static struct strbuf
*decode_q_segment(const struct strbuf
*q_seg
, int rfc2047
)
423 const char *in
= q_seg
->buf
;
425 struct strbuf
*out
= xmalloc(sizeof(struct strbuf
));
426 strbuf_init(out
, q_seg
->len
);
428 while ((c
= *in
++) != 0) {
432 break; /* drop trailing newline */
433 strbuf_addch(out
, (hexval(d
) << 4) | hexval(*in
++));
436 if (rfc2047
&& c
== '_') /* rfc2047 4.2 (2) */
438 strbuf_addch(out
, c
);
443 static struct strbuf
*decode_b_segment(const struct strbuf
*b_seg
)
445 /* Decode in..ep, possibly in-place to ot */
446 int c
, pos
= 0, acc
= 0;
447 const char *in
= b_seg
->buf
;
448 struct strbuf
*out
= xmalloc(sizeof(struct strbuf
));
449 strbuf_init(out
, b_seg
->len
);
451 while ((c
= *in
++) != 0) {
456 else if ('A' <= c
&& c
<= 'Z')
458 else if ('a' <= c
&& c
<= 'z')
460 else if ('0' <= c
&& c
<= '9')
463 continue; /* garbage */
469 strbuf_addch(out
, (acc
| (c
>> 4)));
473 strbuf_addch(out
, (acc
| (c
>> 2)));
477 strbuf_addch(out
, (acc
| c
));
486 * When there is no known charset, guess.
488 * Right now we assume that if the target is UTF-8 (the default),
489 * and it already looks like UTF-8 (which includes US-ASCII as its
490 * subset, of course) then that is what it is and there is nothing
493 * Otherwise, we default to assuming it is Latin1 for historical
496 static const char *guess_charset(const struct strbuf
*line
, const char *target_charset
)
498 if (is_encoding_utf8(target_charset
)) {
499 if (is_utf8(line
->buf
))
505 static void convert_to_utf8(struct strbuf
*line
, const char *charset
)
509 if (!charset
|| !*charset
) {
510 charset
= guess_charset(line
, metainfo_charset
);
515 if (!strcasecmp(metainfo_charset
, charset
))
517 out
= reencode_string(line
->buf
, metainfo_charset
, charset
);
519 die("cannot convert from %s to %s",
520 charset
, metainfo_charset
);
521 strbuf_attach(line
, out
, strlen(out
), strlen(out
));
524 static int decode_header_bq(struct strbuf
*it
)
527 struct strbuf outbuf
= STRBUF_INIT
, *dec
;
528 struct strbuf charset_q
= STRBUF_INIT
, piecebuf
= STRBUF_INIT
;
532 while (in
- it
->buf
<= it
->len
&& (ep
= strstr(in
, "=?")) != NULL
) {
534 strbuf_reset(&charset_q
);
535 strbuf_reset(&piecebuf
);
540 * We are about to process an encoded-word
541 * that begins at ep, but there is something
542 * before the encoded word.
545 for (scan
= in
; scan
< ep
; scan
++)
549 if (scan
!= ep
|| in
== it
->buf
) {
551 * We should not lose that "something",
552 * unless we have just processed an
553 * encoded-word, and there is only LWS
554 * before the one we are about to process.
556 strbuf_add(&outbuf
, in
, ep
- in
);
560 * ep : "=?iso-2022-jp?B?GyR...?= foo"
561 * ep : "=?ISO-8859-1?Q?Foo=FCbar?= baz"
565 if (ep
- it
->buf
>= it
->len
|| !(cp
= strchr(ep
, '?')))
566 goto decode_header_bq_out
;
568 if (cp
+ 3 - it
->buf
> it
->len
)
569 goto decode_header_bq_out
;
570 strbuf_add(&charset_q
, ep
, cp
- ep
);
573 if (!encoding
|| cp
[2] != '?')
574 goto decode_header_bq_out
;
575 ep
= strstr(cp
+ 3, "?=");
577 goto decode_header_bq_out
;
578 strbuf_add(&piecebuf
, cp
+ 3, ep
- cp
- 3);
579 switch (tolower(encoding
)) {
581 goto decode_header_bq_out
;
583 dec
= decode_b_segment(&piecebuf
);
586 dec
= decode_q_segment(&piecebuf
, 1);
589 if (metainfo_charset
)
590 convert_to_utf8(dec
, charset_q
.buf
);
592 strbuf_addbuf(&outbuf
, dec
);
597 strbuf_addstr(&outbuf
, in
);
599 strbuf_addbuf(it
, &outbuf
);
600 decode_header_bq_out
:
601 strbuf_release(&outbuf
);
602 strbuf_release(&charset_q
);
603 strbuf_release(&piecebuf
);
607 static void decode_header(struct strbuf
*it
)
609 if (decode_header_bq(it
))
611 /* otherwise "it" is a straight copy of the input.
612 * This can be binary guck but there is no charset specified.
614 if (metainfo_charset
)
615 convert_to_utf8(it
, "");
618 static void decode_transfer_encoding(struct strbuf
*line
)
622 switch (transfer_encoding
) {
624 ret
= decode_q_segment(line
, 0);
627 ret
= decode_b_segment(line
);
634 strbuf_addbuf(line
, ret
);
639 static void handle_filter(struct strbuf
*line
);
641 static int find_boundary(void)
643 while (!strbuf_getline(&line
, fin
, '\n')) {
644 if (*content_top
&& is_multipart_boundary(&line
))
650 static int handle_boundary(void)
652 struct strbuf newline
= STRBUF_INIT
;
654 strbuf_addch(&newline
, '\n');
656 if (line
.len
>= (*content_top
)->len
+ 2 &&
657 !memcmp(line
.buf
+ (*content_top
)->len
, "--", 2)) {
658 /* we hit an end boundary */
659 /* pop the current boundary off the stack */
660 strbuf_release(*content_top
);
664 /* technically won't happen as is_multipart_boundary()
665 will fail first. But just in case..
667 if (--content_top
< content
) {
668 fprintf(stderr
, "Detected mismatched boundaries, "
672 handle_filter(&newline
);
673 strbuf_release(&newline
);
675 /* skip to the next boundary */
676 if (!find_boundary())
681 /* set some defaults */
682 transfer_encoding
= TE_DONTCARE
;
683 strbuf_reset(&charset
);
684 message_type
= TYPE_TEXT
;
686 /* slurp in this section's info */
687 while (read_one_header_line(&line
, fin
))
688 check_header(&line
, p_hdr_data
, 0);
690 strbuf_release(&newline
);
692 if (strbuf_getline(&line
, fin
, '\n'))
694 strbuf_addch(&line
, '\n');
698 static inline int patchbreak(const struct strbuf
*line
)
702 /* Beginning of a "diff -" header? */
703 if (!prefixcmp(line
->buf
, "diff -"))
706 /* CVS "Index: " line? */
707 if (!prefixcmp(line
->buf
, "Index: "))
711 * "--- <filename>" starts patches without headers
712 * "---<sp>*" is a manual separator
717 if (!prefixcmp(line
->buf
, "---")) {
718 /* space followed by a filename? */
719 if (line
->buf
[3] == ' ' && !isspace(line
->buf
[4]))
721 /* Just whitespace? */
722 for (i
= 3; i
< line
->len
; i
++) {
723 unsigned char c
= line
->buf
[i
];
734 static int is_scissors_line(const struct strbuf
*line
)
736 size_t i
, len
= line
->len
;
737 int scissors
= 0, gap
= 0;
738 int first_nonblank
= -1;
739 int last_nonblank
= 0, visible
, perforation
= 0, in_perforation
= 0;
740 const char *buf
= line
->buf
;
742 for (i
= 0; i
< len
; i
++) {
743 if (isspace(buf
[i
])) {
744 if (in_perforation
) {
751 if (first_nonblank
< 0)
759 (!memcmp(buf
+ i
, ">8", 2) || !memcmp(buf
+ i
, "8<", 2) ||
760 !memcmp(buf
+ i
, ">%", 2) || !memcmp(buf
+ i
, "%<", 2))) {
771 * The mark must be at least 8 bytes long (e.g. "-- >8 --").
772 * Even though there can be arbitrary cruft on the same line
773 * (e.g. "cut here"), in order to avoid misidentification, the
774 * perforation must occupy more than a third of the visible
775 * width of the line, and dashes and scissors must occupy more
776 * than half of the perforation.
779 visible
= last_nonblank
- first_nonblank
+ 1;
780 return (scissors
&& 8 <= visible
&&
781 visible
< perforation
* 3 &&
782 gap
* 2 < perforation
);
785 static int handle_commit_msg(struct strbuf
*line
)
787 static int still_looking
= 1;
793 if (!line
->len
|| (line
->len
== 1 && line
->buf
[0] == '\n'))
797 if (use_inbody_headers
&& still_looking
) {
798 still_looking
= check_header(line
, s_hdr_data
, 0);
802 /* Only trim the first (blank) line of the commit message
803 * when ignoring in-body headers.
807 /* normalize the log message to UTF-8. */
808 if (metainfo_charset
)
809 convert_to_utf8(line
, charset
.buf
);
811 if (use_scissors
&& is_scissors_line(line
)) {
813 if (fseek(cmitmsg
, 0L, SEEK_SET
))
814 die_errno("Could not rewind output message file");
815 if (ftruncate(fileno(cmitmsg
), 0))
816 die_errno("Could not truncate output message file at scissors");
820 * We may have already read "secondary headers"; purge
821 * them to give ourselves a clean restart.
823 for (i
= 0; header
[i
]; i
++) {
825 strbuf_release(s_hdr_data
[i
]);
826 s_hdr_data
[i
] = NULL
;
831 if (patchbreak(line
)) {
837 fputs(line
->buf
, cmitmsg
);
841 static void handle_patch(const struct strbuf
*line
)
843 fwrite(line
->buf
, 1, line
->len
, patchfile
);
847 static void handle_filter(struct strbuf
*line
)
849 static int filter
= 0;
851 /* filter tells us which part we left off on */
854 if (!handle_commit_msg(line
))
863 static void handle_body(void)
865 struct strbuf prev
= STRBUF_INIT
;
867 /* Skip up to the first boundary */
869 if (!find_boundary())
870 goto handle_body_out
;
874 /* process any boundary lines */
875 if (*content_top
&& is_multipart_boundary(&line
)) {
876 /* flush any leftover */
878 handle_filter(&prev
);
881 if (!handle_boundary())
882 goto handle_body_out
;
885 /* Unwrap transfer encoding */
886 decode_transfer_encoding(&line
);
888 switch (transfer_encoding
) {
892 struct strbuf
**lines
, **it
, *sb
;
894 /* Prepend any previous partial lines */
895 strbuf_insert(&line
, 0, prev
.buf
, prev
.len
);
898 /* binary data most likely doesn't have newlines */
899 if (message_type
!= TYPE_TEXT
) {
900 handle_filter(&line
);
904 * This is a decoded line that may contain
905 * multiple new lines. Pass only one chunk
906 * at a time to handle_filter()
908 lines
= strbuf_split(&line
, '\n');
909 for (it
= lines
; (sb
= *it
); it
++) {
910 if (*(it
+ 1) == NULL
) /* The last line */
911 if (sb
->buf
[sb
->len
- 1] != '\n') {
912 /* Partial line, save it for later. */
913 strbuf_addbuf(&prev
, sb
);
919 * The partial chunk is saved in "prev" and will be
920 * appended by the next iteration of read_line_with_nul().
922 strbuf_list_free(lines
);
926 handle_filter(&line
);
929 } while (!strbuf_getwholeline(&line
, fin
, '\n'));
932 strbuf_release(&prev
);
935 static void output_header_lines(FILE *fout
, const char *hdr
, const struct strbuf
*data
)
937 const char *sp
= data
->buf
;
939 char *ep
= strchr(sp
, '\n');
945 fprintf(fout
, "%s: %.*s\n", hdr
, len
, sp
);
952 static void handle_info(void)
957 for (i
= 0; header
[i
]; i
++) {
958 /* only print inbody headers if we output a patch file */
959 if (patch_lines
&& s_hdr_data
[i
])
961 else if (p_hdr_data
[i
])
966 if (!memcmp(header
[i
], "Subject", 7)) {
968 cleanup_subject(hdr
);
971 output_header_lines(fout
, "Subject", hdr
);
972 } else if (!memcmp(header
[i
], "From", 4)) {
975 fprintf(fout
, "Author: %s\n", name
.buf
);
976 fprintf(fout
, "Email: %s\n", email
.buf
);
979 fprintf(fout
, "%s: %s\n", header
[i
], hdr
->buf
);
985 static int mailinfo(FILE *in
, FILE *out
, const char *msg
, const char *patch
)
991 cmitmsg
= fopen(msg
, "w");
996 patchfile
= fopen(patch
, "w");
1003 p_hdr_data
= xcalloc(MAX_HDR_PARSED
, sizeof(*p_hdr_data
));
1004 s_hdr_data
= xcalloc(MAX_HDR_PARSED
, sizeof(*s_hdr_data
));
1008 } while (isspace(peek
));
1011 /* process the email header */
1012 while (read_one_header_line(&line
, fin
))
1013 check_header(&line
, p_hdr_data
, 1);
1021 static int git_mailinfo_config(const char *var
, const char *value
, void *unused
)
1023 if (prefixcmp(var
, "mailinfo."))
1024 return git_default_config(var
, value
, unused
);
1025 if (!strcmp(var
, "mailinfo.scissors")) {
1026 use_scissors
= git_config_bool(var
, value
);
1029 /* perhaps others here */
1033 static const char mailinfo_usage
[] =
1034 "git mailinfo [-k|-b] [-u | --encoding=<encoding> | -n] [--scissors | --no-scissors] msg patch < mail >info";
1036 int cmd_mailinfo(int argc
, const char **argv
, const char *prefix
)
1038 const char *def_charset
;
1040 /* NEEDSWORK: might want to do the optional .git/ directory
1043 git_config(git_mailinfo_config
, NULL
);
1045 def_charset
= get_commit_output_encoding();
1046 metainfo_charset
= def_charset
;
1048 while (1 < argc
&& argv
[1][0] == '-') {
1049 if (!strcmp(argv
[1], "-k"))
1051 else if (!strcmp(argv
[1], "-b"))
1052 keep_non_patch_brackets_in_subject
= 1;
1053 else if (!strcmp(argv
[1], "-u"))
1054 metainfo_charset
= def_charset
;
1055 else if (!strcmp(argv
[1], "-n"))
1056 metainfo_charset
= NULL
;
1057 else if (!prefixcmp(argv
[1], "--encoding="))
1058 metainfo_charset
= argv
[1] + 11;
1059 else if (!strcmp(argv
[1], "--scissors"))
1061 else if (!strcmp(argv
[1], "--no-scissors"))
1063 else if (!strcmp(argv
[1], "--no-inbody-headers"))
1064 use_inbody_headers
= 0;
1066 usage(mailinfo_usage
);
1071 usage(mailinfo_usage
);
1073 return !!mailinfo(stdin
, stdout
, argv
[1], argv
[2]);