1 /* ------------------------------------------------------------------------ */
3 /* header.c -- header manipulate functions */
5 /* Modified Nobutaka Watazaki */
7 /* Original Y.Tagawa */
8 /* modified 1991.12.16 M.Oki */
9 /* Ver. 1.10 Symbolic Link added 1993.10.01 N.Watazaki */
10 /* Ver. 1.13b Symbolic Link Bug Fix 1994.08.22 N.Watazaki */
11 /* Ver. 1.14 Source All chagned 1995.01.14 N.Watazaki */
12 /* Ver. 1.14i bug fixed 2000.10.06 t.okamoto */
13 /* ------------------------------------------------------------------------ */
16 #if !STRCHR_8BIT_CLEAN
17 /* should use 8 bit clean version */
20 #define strchr xstrchr
21 #define strrchr xstrrchr
24 /* ------------------------------------------------------------------------ */
26 #define setup_get(PTR) (get_ptr = (PTR))
27 #define get_byte() (*get_ptr++ & 0xff)
28 #define put_ptr get_ptr
29 #define setup_put(PTR) (put_ptr = (PTR))
30 #define put_byte(c) (*put_ptr++ = (char)(c))
32 int optional_archive_kanji_code = NONE;
33 int optional_system_kanji_code = NONE;
34 char *optional_archive_delim = NULL;
35 char *optional_system_delim = NULL;
36 int optional_filename_case = NONE;
38 #ifdef MULTIBYTE_FILENAME
39 int default_system_kanji_code = MULTIBYTE_FILENAME;
41 int default_system_kanji_code = NONE;
44 /* ------------------------------------------------------------------------ */
52 for (sum = 0; len; len--)
58 /* ------------------------------------------------------------------------ */
66 return (b1 << 8) + b0;
69 /* ------------------------------------------------------------------------ */
78 /* ------------------------------------------------------------------------ */
88 return (b3 << 24) + (b2 << 16) + (b1 << 8) + b0;
91 /* ------------------------------------------------------------------------ */
103 get_bytes(buf, len, size)
108 for (i = 0; i < len && i < size; i++)
120 for (i = 0; i < len; i++)
124 /* added by Koji Arai */
126 convert_filename(name, len, size,
128 from_delim, to_delim,
133 int from_code, to_code, case_to;
134 char *from_delim, *to_delim;
138 #ifdef MULTIBYTE_FILENAME
139 char tmp[FILENAME_LENGTH];
141 if (from_code == CODE_SJIS && to_code == CODE_UTF8) {
142 for (i = 0; i < len; i++)
143 /* FIXME: provisionally fix for the Mac OS CoreFoundation */
144 if ((unsigned char)name[i] == LHA_PATHSEP) name[i] = '/';
145 sjis_to_utf8(tmp, name, sizeof(tmp));
146 strncpy(name, tmp, size);
149 for (i = 0; i < len; i++)
150 if (name[i] == '/') name[i] = LHA_PATHSEP;
151 from_code = CODE_UTF8;
153 else if (from_code == CODE_UTF8 && to_code == CODE_SJIS) {
154 for (i = 0; i < len; i++)
155 /* FIXME: provisionally fix for the Mac OS CoreFoundation */
156 if ((unsigned char)name[i] == LHA_PATHSEP) name[i] = '/';
157 utf8_to_sjis(tmp, name, sizeof(tmp));
158 strncpy(name, tmp, size);
161 for (i = 0; i < len; i++)
162 if (name[i] == '/') name[i] = LHA_PATHSEP;
163 from_code = CODE_SJIS;
167 for (i = 0; i < len; i ++) {
168 #ifdef MULTIBYTE_FILENAME
169 if (from_code == CODE_EUC &&
170 (unsigned char)name[i] == 0x8e) {
171 if (to_code != CODE_SJIS) {
177 memmove(name + i, name + i + 1, len - i);
181 if (from_code == CODE_SJIS && X0201_KANA_P(name[i])) {
182 if (to_code != CODE_EUC) {
186 if (len == size - 1) /* check overflow */
188 memmove(name+i+1, name+i, len-i);
194 if (from_code == CODE_EUC && (name[i] & 0x80) && (name[i+1] & 0x80)) {
196 if (to_code != CODE_SJIS) {
201 c1 = (unsigned char)name[i];
202 c2 = (unsigned char)name[i+1];
209 if (from_code == CODE_SJIS &&
210 SJC_FIRST_P(name[i]) &&
211 SJC_SECOND_P(name[i+1])) {
214 if (to_code != CODE_EUC) {
219 c1 = (unsigned char)name[i];
220 c2 = (unsigned char)name[i+1];
227 #endif /* MULTIBYTE_FILENAME */
231 /* transpose from_delim to to_delim */
233 if ((ptr = strchr(from_delim, name[i])) != NULL) {
234 name[i] = to_delim[ptr - from_delim];
239 if (case_to == TO_UPPER && islower(name[i])) {
240 name[i] = toupper(name[i]);
243 if (case_to == TO_LOWER && isupper(name[i])) {
244 name[i] = tolower(name[i]);
250 /* ------------------------------------------------------------------------ */
252 /* Generic stamp format: */
254 /* 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 */
255 /* |<-------- year ------->|<- month ->|<-- day -->| */
257 /* 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 */
258 /* |<--- hour --->|<---- minute --->|<- second*2 ->| */
260 /* ------------------------------------------------------------------------ */
263 * NOTE : If you don't have `gettimeofday(2)', or your gettimeofday(2)
264 * returns bogus timezone information, try FTIME, MKTIME, TIMELOCAL or TZSET.
268 #if defined(HAVE_MKTIME)
269 #ifdef HAVE_TIMELOCAL
270 #undef HAVE_TIMELOCAL
272 #endif /* defined(HAVE_MKTIME) */
274 #if defined(HAVE_MKTIME) || defined(HAVE_TIMELOCAL)
278 #endif /* defined(HAVE_MKTIME) || defined(HAVE_TIMELOCAL) */
280 #if defined(HAVE_MKTIME) || defined(HAVE_TIMELOCAL) || defined(HAVE_TZSET)
286 #if defined(HAVE_MKTIME) || defined(HAVE_TIMELOCAL) || defined(HAVE_TZSET) || defined(HAVE_FTIME)
287 #ifdef HAVE_GETTIMEOFDAY
288 #undef HAVE_GETTIMEOFDAY
291 #ifndef HAVE_GETTIMEOFDAY
292 #define HAVE_GETTIMEOFDAY /* use gettimeofday() */
297 #include <sys/timeb.h>
301 * You may define as : #define TIMEZONE_HOOK \ extern long
302 * timezone ; \ extern void tzset();
306 /* Which do you like better, `TIMEZONE_HOOK' or `TIMEZONE_HOOK;' ? */
309 #if defined(HAVE_TZSET) && defined(_MINIX)
310 extern long timezone; /* not defined in time.h */
313 /* ------------------------------------------------------------------------ */
314 #if defined(HAVE_FTIME) || defined(HAVE_GETTIMEOFDAY) || defined(HAVE_TZSET)
324 /* ------------------------------------------------------------------------ */
325 #if !defined(HAVE_TZSET) && defined(HAVE_FTIME)
330 return buf.timezone * 60L;
334 /* ------------------------------------------------------------------------ */
335 #if !defined(HAVE_TZSET) && !defined(HAVE_FTIME) /* maybe defined(HAVE_GETTIMEOFDAY) */
337 #ifdef HAVE_STRUCT_TM_TM_GMTOFF
341 return -localtime(&tt)->tm_gmtoff;
342 #else /* HAVE_STRUCT_TM_TM_GMTOFF */
345 gettimeofday(&tp, &tzp);/* specific to 4.3BSD */
347 * return (tzp.tz_minuteswest * 60L + (tzp.tz_dsttime != 0 ? 60L *
350 return (tzp.tz_minuteswest * 60L);
351 #endif /* HAVE_STRUCT_TM_TM_GMTOFF */
354 #endif /* defined(HAVE_FTIME) || defined(HAVE_GETTIMEOFDAY) ||
355 * defined(HAVE_TZSET) */
357 /* ------------------------------------------------------------------------ */
359 generic_to_unix_stamp(t)
361 #if defined(HAVE_MKTIME) || defined(HAVE_TIMELOCAL)
366 * special case: if MSDOS format date and time were zero, then we
367 * set time to be zero here too.
372 dostm.tm_sec = (t & 0x1f) * 2;
373 dostm.tm_min = t >> 5 & 0x3f;
374 dostm.tm_hour = t >> 11 & 0x1f;
375 dostm.tm_mday = t >> 16 & 0x1f;
376 dostm.tm_mon = (t >> 16 + 5 & 0x0f) - 1; /* 0..11 */
377 dostm.tm_year = (t >> 16 + 9 & 0x7f) + 80;
379 dostm.tm_isdst = 0; /* correct? */
381 dostm.tm_isdst = -1; /* correct? */
383 return (time_t) mktime(&dostm);
384 #else /* maybe defined(HAVE_TIMELOCAL) */
385 return (time_t) timelocal(&dostm);
389 #else /* defined(HAVE_MKTIME) || defined(HAVE_TIMELOCAL) */
391 int year, month, day, hour, min, sec;
393 static unsigned int dsboy[12] = {0, 31, 59, 90, 120, 151,
394 181, 212, 243, 273, 304, 334};
398 * special case: if MSDOS format date and time were zero, then we
399 * set time to be zero here too.
404 year = ((int) (t >> 16 + 9) & 0x7f) + 1980;
405 month = (int) (t >> 16 + 5) & 0x0f; /* 1..12 means Jan..Dec */
406 day = (int) (t >> 16) & 0x1f; /* 1..31 means 1st,...31st */
408 hour = ((int) t >> 11) & 0x1f;
409 min = ((int) t >> 5) & 0x3f;
410 sec = ((int) t & 0x1f) * 2;
412 /* Calculate days since 1970.01.01 */
413 days = (365 * (year - 1970) + /* days due to whole years */
414 (year - 1970 + 1) / 4 + /* days due to leap years */
415 dsboy[month - 1] + /* days since beginning of this year */
416 day - 1); /* days since beginning of month */
418 if ((year % 4 == 0) &&
419 (year % 100 != 0 || year % 400 == 0) && /* 1999.5.24 t.oka */
420 (month >= 3)) /* if this is a leap year and month */
421 days++; /* is March or later, add a day */
423 /* Knowing the days, we can find seconds */
424 longtime = (((days * 24) + hour) * 60 + min) * 60 + sec;
425 longtime += gettz(); /* adjust for timezone */
427 /* LONGTIME is now the time in seconds, since 1970/01/01 00:00:00. */
428 return (time_t) longtime;
430 #endif /* defined(HAVE_MKTIME) || defined(HAVE_TIMELOCAL) */
432 /* ------------------------------------------------------------------------ */
434 unix_to_generic_stamp(t)
437 struct tm *tm = localtime(&t);
439 return ((((long) (tm->tm_year - 80)) << 25) +
440 (((long) (tm->tm_mon + 1)) << 21) +
441 (((long) tm->tm_mday) << 16) +
442 (long) ((tm->tm_hour << 11) +
447 /* ------------------------------------------------------------------------ */
448 /* build header functions */
449 /* ------------------------------------------------------------------------ */
455 * --------------------------------
457 * 2 next-header size [*1]
458 * --------------------------------------
459 * ext header: 1 ext-type ^
460 * ? contents | [*1] next-header size
461 * 2 next-header size v
462 * --------------------------------------
466 get_extended_header(fp, hdr, header_size)
471 char data[LZHEADER_STRAGE];
473 char dirname[FILENAME_LENGTH];
476 int whole_size = header_size;
478 if (hdr->header_level == 0)
481 name_length = strlen(hdr->name);
483 for (; header_size != 0; whole_size += header_size = get_word()) {
485 if (sizeof(data) < header_size)
486 fatal_error("header size too large.");
488 if (fread(data, header_size, 1, fp) == 0) {
489 error("Invalid header (LHa file ?)");
492 switch (get_byte()) {
495 setup_get(get_ptr + header_size - 3); /* FIXME: ignored? */
500 get_bytes(hdr->name, header_size-3, sizeof(hdr->name)-1);
501 hdr->name[name_length] = 0;
505 dir_length = get_bytes(dirname, header_size-3, sizeof(dirname)-1);
506 dirname[dir_length] = 0;
509 /* MS-DOS attribute */
510 if (hdr->extend_type == EXTEND_MSDOS ||
511 hdr->extend_type == EXTEND_HUMAN ||
512 hdr->extend_type == EXTEND_GENERIC)
513 hdr->attribute = get_word();
516 /* UNIX permission */
517 if (hdr->extend_type == EXTEND_UNIX)
518 hdr->unix_mode = get_word();
521 /* UNIX gid and uid */
522 if (hdr->extend_type == EXTEND_UNIX) {
523 hdr->unix_gid = get_word();
524 hdr->unix_uid = get_word();
528 /* UNIX group name */
529 if (hdr->extend_type == EXTEND_UNIX) {
530 i = get_bytes(hdr->group, header_size-3, sizeof(hdr->group)-1);
531 hdr->group[i] = '\0';
536 if (hdr->extend_type == EXTEND_UNIX) {
537 i = get_bytes(hdr->user, header_size-3, sizeof(hdr->user)-1);
542 /* UNIX last modified time */
543 if (hdr->extend_type == EXTEND_UNIX)
544 hdr->unix_last_modified_stamp = (time_t) get_longword();
548 setup_get(get_ptr + header_size - 3);
554 if (name_length + dir_length >= sizeof(hdr->name)) {
555 warning("the length of pathname \"%s%s\" is too long.",
557 name_length = sizeof(hdr->name) - dir_length - 1;
558 hdr->name[name_length] = 0;
560 strcat(dirname, hdr->name);
561 strcpy(hdr->name, dirname);
562 name_length += dir_length;
572 * offset size field name
573 * ----------------------------------
574 * 0 1 header size [*1]
576 * ---------------------------------------
578 * 7 4 packed size [*2] |
579 * 11 4 original size |
582 * 19 1 attribute | [*1] header size (X+Y+22)
583 * 20 1 level (0x00 fixed) |
587 * X +24 Y ext-header(old style) v
588 * -------------------------------------------------
592 * ext-header(old style)
602 get_header_level0(fp, hdr, data)
613 hdr->header_size = header_size = get_byte();
614 checksum = get_byte();
616 if (fread(data+I_NAME_LENGTH, header_size+2-I_NAME_LENGTH, 1, fp) == 0) {
617 error("Invalid header (LHarc file ?)");
618 return FALSE; /* finish */
621 if (calc_sum(data + I_METHOD, header_size) != checksum) {
622 error("Checksum error (LHarc file?)");
626 get_bytes(hdr->method, 5, sizeof(hdr->method));
627 hdr->packed_size = get_longword();
628 hdr->original_size = get_longword();
629 hdr->unix_last_modified_stamp = generic_to_unix_stamp(get_longword());
630 hdr->attribute = get_byte(); /* MS-DOS attribute */
631 hdr->header_level = get_byte();
632 name_length = get_byte();
633 i = get_bytes(hdr->name, name_length, sizeof(hdr->name)-1);
636 /* defaults for other type */
637 hdr->unix_mode = UNIX_FILE_REGULAR | UNIX_RW_RW_RW;
641 extend_size = header_size+2 - name_length - 24;
643 if (extend_size < 0) {
644 if (extend_size == -2) {
645 /* CRC field does not given */
646 hdr->extend_type = EXTEND_GENERIC;
647 hdr->has_crc = FALSE;
652 error("Unkonwn header (lha file?)");
657 hdr->crc = get_word();
659 if (extend_size == 0)
662 hdr->extend_type = get_byte();
665 if (hdr->extend_type == EXTEND_UNIX) {
666 if (extend_size >= 11) {
667 hdr->minor_version = get_byte();
668 hdr->unix_last_modified_stamp = (time_t) get_longword();
669 hdr->unix_mode = get_word();
670 hdr->unix_uid = get_word();
671 hdr->unix_gid = get_word();
674 hdr->extend_type = EXTEND_GENERIC;
678 setup_get(get_ptr + extend_size);
687 * offset size field name
688 * -----------------------------------
689 * 0 1 header size [*1]
691 * -------------------------------------
693 * 7 4 skip size [*2] |
694 * 11 4 original size |
697 * 19 1 attribute (0x20 fixed) | [*1] header size (X+Y+25)
698 * 20 1 level (0x01 fixed) |
704 * X+Y+25 2 next-header size v
705 * -------------------------------------------------
706 * X+Y+27 Z ext-header ^
708 * ----------------------------------- | [*2] skip size
711 * -------------------------------------------------
715 get_header_level1(fp, hdr, data)
720 int header_size, extend_size;
725 hdr->header_size = header_size = get_byte();
726 checksum = get_byte();
728 if (fread(data+I_NAME_LENGTH, header_size+2-I_NAME_LENGTH, 1, fp) == 0) {
729 error("Invalid header (LHarc file ?)");
730 return FALSE; /* finish */
733 if (calc_sum(data + I_METHOD, header_size) != checksum) {
734 error("Checksum error (LHarc file?)");
738 get_bytes(hdr->method, 5, sizeof(hdr->method));
739 hdr->packed_size = get_longword(); /* skip size */
740 hdr->original_size = get_longword();
741 hdr->unix_last_modified_stamp = generic_to_unix_stamp(get_longword());
742 hdr->attribute = get_byte(); /* 0x20 fixed */
743 hdr->header_level = get_byte();
745 name_length = get_byte();
746 i = get_bytes(hdr->name, name_length, sizeof(hdr->name)-1);
749 /* defaults for other type */
750 hdr->unix_mode = UNIX_FILE_REGULAR | UNIX_RW_RW_RW;
755 hdr->crc = get_word();
756 hdr->extend_type = get_byte();
758 dummy = header_size+2 - name_length - 27;
760 setup_get(get_ptr + dummy); /* skip old style extend header */
762 extend_size = get_word();
763 extend_size = get_extended_header(fp, hdr, extend_size);
764 if (extend_size == -1)
767 /* On level 1 header, size fields should be adjusted. */
768 /* the `packed_size' field contains the extended header size. */
769 /* the `header_size' field does not. */
770 hdr->packed_size -= extend_size;
771 hdr->header_size += extend_size;
780 * offset size field name
781 * --------------------------------------------------
782 * 0 2 total header size [*1] ^
783 * ----------------------- |
785 * 7 4 packed size [*2] |
786 * 11 4 original size |
788 * 19 1 RESERVED | [*1] total header size
789 * 20 1 level (0x02 fixed) | (X+26+(1))
792 * 24 2 next-header size |
793 * ----------------------------------- |
796 * ----------------------------------- |
797 * X +26 (1) padding v
798 * -------------------------------------------------
800 * : | [*2] packed size
802 * -------------------------------------------------
806 get_header_level2(fp, hdr, data)
811 int header_size, extend_size;
814 hdr->header_size = header_size = get_word();
816 if (fread(data + I_NAME_LENGTH, 26 - I_NAME_LENGTH, 1, fp) == 0) {
817 error("Invalid header (LHarc file ?)");
818 return FALSE; /* finish */
821 get_bytes(hdr->method, 5, sizeof(hdr->method));
822 hdr->packed_size = get_longword();
823 hdr->original_size = get_longword();
824 hdr->unix_last_modified_stamp = get_longword();
825 hdr->attribute = get_byte(); /* reserved */
826 hdr->header_level = get_byte();
828 /* defaults for other type */
829 hdr->unix_mode = UNIX_FILE_REGULAR | UNIX_RW_RW_RW;
834 hdr->crc = get_word();
835 hdr->extend_type = get_byte();
836 extend_size = get_word();
838 extend_size = get_extended_header(fp, hdr, extend_size);
839 if (extend_size == -1)
842 padding = header_size - 26 - extend_size;
843 while (padding--) /* padding should be 0 or 1 */
846 /* FIXME: no collate the header CRC */
856 char data[LZHEADER_STRAGE];
858 int archive_kanji_code = CODE_SJIS;
859 int system_kanji_code = default_system_kanji_code;
860 char *archive_delim = "\377\\"; /* `\' is for level 0 header and
862 char *system_delim = "//";
863 int filename_case = NONE;
865 memset(hdr, 0, sizeof(LzHeader));
869 switch (fread(data, 1, I_NAME_LENGTH, fp)) {
873 return FALSE; /* end of file */
875 if (data[0] == '\0') /* end mark */
879 error("Invalid header (LHarc file ?)");
880 return FALSE; /* finish */
883 switch (data[I_HEADER_LEVEL]) {
885 if (get_header_level0(fp, hdr, data) == FALSE)
889 if (get_header_level1(fp, hdr, data) == FALSE)
893 if (get_header_level2(fp, hdr, data) == FALSE)
897 error("Unknown level header (level %d)", data[I_HEADER_LEVEL]);
901 /* filename conversion */
902 switch (hdr->extend_type) {
904 filename_case = noconvertcase ? NONE : TO_LOWER;
910 filename_case = NONE;
914 archive_delim = "\377/:\\";
915 /* `\' is for level 0 header and broken archive. */
916 system_delim = "/://";
917 filename_case = NONE;
921 filename_case = noconvertcase ? NONE : TO_LOWER;
922 /* FIXME: if small letter is included in filename,
923 the generic_to_unix_filename() do not case conversion,
924 but this code does not consider it. */
928 if (optional_archive_kanji_code)
929 archive_kanji_code = optional_archive_kanji_code;
930 if (optional_system_kanji_code)
931 system_kanji_code = optional_system_kanji_code;
932 if (optional_archive_delim)
933 archive_delim = optional_archive_delim;
934 if (optional_system_delim)
935 system_delim = optional_system_delim;
936 if (optional_filename_case)
937 filename_case = optional_filename_case;
939 /* kanji code and delimiter conversion */
940 convert_filename(hdr->name, strlen(hdr->name), sizeof(hdr->name),
943 archive_delim, system_delim, filename_case);
948 /* ------------------------------------------------------------------------ */
950 init_header(name, v_stat, hdr)
957 memset(hdr, 0, sizeof(LzHeader));
959 if (compress_method == LZHUFF5_METHOD_NUM) /* Changed N.Watazaki */
960 memcpy(hdr->method, LZHUFF5_METHOD, METHOD_TYPE_STRAGE);
961 else if (compress_method)
962 memcpy(hdr->method, LZHUFF1_METHOD, METHOD_TYPE_STRAGE);
964 memcpy(hdr->method, LZHUFF0_METHOD, METHOD_TYPE_STRAGE);
966 hdr->packed_size = 0;
967 hdr->original_size = v_stat->st_size;
968 hdr->attribute = GENERIC_ATTRIBUTE;
969 hdr->header_level = header_level;
970 strcpy(hdr->name, name);
973 hdr->extend_type = EXTEND_UNIX;
974 hdr->unix_last_modified_stamp = v_stat->st_mtime;
975 /* since 00:00:00 JAN.1.1970 */
976 #ifdef NOT_COMPATIBLE_MODE
977 /* Please need your modification in this space. */
979 hdr->unix_mode = v_stat->st_mode;
982 hdr->unix_uid = v_stat->st_uid;
983 hdr->unix_gid = v_stat->st_gid;
985 #if INCLUDE_OWNER_NAME_IN_HEADER
988 struct passwd *ent = getpwuid(hdr->unix_uid);
991 strncpy(hdr->user, ent->pw_name, sizeof(hdr->user));
992 if (hdr->user[sizeof(hdr->user)-1])
993 hdr->user[sizeof(hdr->user)-1] = 0;
999 struct group *ent = getgrgid(hdr->unix_gid);
1002 strncpy(hdr->group, ent->gr_name, sizeof(hdr->group));
1003 if (hdr->group[sizeof(hdr->group)-1])
1004 hdr->group[sizeof(hdr->group)-1] = 0;
1008 #endif /* INCLUDE_OWNER_NAME_IN_HEADER */
1009 if (is_directory(v_stat)) {
1010 memcpy(hdr->method, LZHDIRS_METHOD, METHOD_TYPE_STRAGE);
1011 hdr->attribute = GENERIC_DIRECTORY_ATTRIBUTE;
1012 hdr->original_size = 0;
1013 if (len > 0 && hdr->name[len - 1] != '/')
1014 strcpy(&hdr->name[len++], "/");
1018 if (is_symlink(v_stat)) {
1019 char lkname[FILENAME_LENGTH];
1021 memcpy(hdr->method, LZHDIRS_METHOD, METHOD_TYPE_STRAGE);
1022 hdr->attribute = GENERIC_DIRECTORY_ATTRIBUTE;
1023 hdr->original_size = 0;
1024 len = readlink(name, lkname, sizeof(lkname));
1025 if (xsnprintf(hdr->name, sizeof(hdr->name),
1026 "%s|%.*s", hdr->name, len, lkname) == -1)
1027 error("file name is too long (%s -> %.*s)", hdr->name, len, lkname);
1032 /* ------------------------------------------------------------------------ */
1033 /* Write unix extended header or generic header. */
1035 write_header(nafp, hdr)
1041 char data[LZHEADER_STRAGE];
1043 char *headercrc_ptr;
1045 int archive_kanji_code = CODE_SJIS;
1046 int system_kanji_code = default_system_kanji_code;
1047 char *archive_delim = "\377";
1048 char *system_delim = "/";
1049 int filename_case = NONE;
1050 char lzname[FILENAME_LENGTH];
1052 if (optional_archive_kanji_code)
1053 archive_kanji_code = optional_archive_kanji_code;
1054 if (optional_system_kanji_code)
1055 system_kanji_code = optional_system_kanji_code;
1057 memset(data, 0, LZHEADER_STRAGE);
1058 memcpy(data + I_METHOD, hdr->method, METHOD_TYPE_STRAGE);
1059 setup_put(data + I_PACKED_SIZE);
1060 put_longword(hdr->packed_size);
1061 put_longword(hdr->original_size);
1063 if (hdr->header_level == HEADER_LEVEL2)
1064 put_longword((long) hdr->unix_last_modified_stamp);
1066 put_longword(unix_to_generic_stamp(hdr->unix_last_modified_stamp));
1068 switch (hdr->header_level) {
1070 put_byte(hdr->attribute);
1078 put_byte(hdr->header_level);
1081 filename_case = TO_UPPER;
1083 if (hdr->header_level == HEADER_LEVEL0) {
1084 archive_delim = "\\";
1087 strncpy(lzname, hdr->name, sizeof(lzname));
1088 convert_filename(lzname, strlen(lzname), sizeof(lzname),
1091 system_delim, archive_delim, filename_case);
1093 if (hdr->header_level != HEADER_LEVEL2) {
1095 /* level 0 header: write pathname (contain the directory part) */
1096 /* level 1 header: write filename (basename only) */
1097 if (hdr->header_level == HEADER_LEVEL0 ||
1098 (p = strrchr(lzname, LHA_PATHSEP)) == 0)
1102 name_length = strlen(p);
1104 limit = 255 - I_UNIX_EXTEND_BOTTOM + 2;
1105 if (header_level == 0) {
1107 limit = 255 - I_GENERIC_HEADER_BOTTOM + 2;
1109 if (name_length > limit) {
1110 warning("the length of pathname \"%s\" is too long.", p);
1111 name_length = limit;
1115 if (header_level == 1) {
1119 put_byte(name_length);
1120 memcpy(data + I_NAME, p, name_length);
1121 setup_put(data + I_NAME + name_length);
1126 if (header_level == HEADER_LEVEL0) {
1127 if (generic_format) {
1128 header_size = I_GENERIC_HEADER_BOTTOM - 2 + name_length;
1129 data[I_HEADER_SIZE] = header_size;
1130 data[I_HEADER_CHECKSUM] = calc_sum(data + I_METHOD, header_size);
1132 /* write old-style extend header */
1133 put_byte(EXTEND_UNIX);
1134 put_byte(CURRENT_UNIX_MINOR_VERSION);
1135 put_longword((long) hdr->unix_last_modified_stamp);
1136 put_word(hdr->unix_mode);
1137 put_word(hdr->unix_uid);
1138 put_word(hdr->unix_gid);
1139 header_size = I_UNIX_EXTEND_BOTTOM - 2 + name_length;
1140 data[I_HEADER_SIZE] = header_size;
1141 data[I_HEADER_CHECKSUM] = calc_sum(data + I_METHOD, header_size);
1144 /* write extend header. */
1150 put_byte(EXTEND_UNIX);
1153 if (hdr->header_level == HEADER_LEVEL2) {
1154 /* write common header */
1157 headercrc_ptr = put_ptr;
1161 if (generic_format) {
1162 header_size = put_ptr - data; /* +2 for last 0x0000 */
1165 if (hdr->header_level == HEADER_LEVEL1)
1166 header_size = put_ptr - data - 2;
1167 put_byte(0x50); /* permission */
1168 put_word(hdr->unix_mode);
1170 put_byte(0x51); /* gid and uid */
1171 put_word(hdr->unix_gid);
1172 put_word(hdr->unix_uid);
1175 int len = strlen(hdr->group);
1178 put_byte(0x52); /* group name */
1179 put_bytes(hdr->group, len);
1182 len = strlen(hdr->user);
1185 put_byte(0x53); /* user name */
1186 put_bytes(hdr->user, len);
1190 if (hdr->header_level == 1) {
1191 if (p = strrchr(lzname, LHA_PATHSEP))
1192 name_length = strlen(++p);
1195 name_length = strlen(lzname);
1197 put_word(name_length + 3);
1198 put_byte(1); /* filename */
1199 put_bytes(p, name_length);
1202 if (p = strrchr(lzname, LHA_PATHSEP)) {
1203 name_length = p - lzname + 1;
1204 put_word(name_length + 3);
1205 put_byte(2); /* dirname */
1206 put_bytes(lzname, name_length);
1208 } /* if generic .. */
1210 if (header_level != HEADER_LEVEL2) {
1211 if (!generic_format) {
1213 put_byte(0x54); /* time stamp */
1214 put_longword(hdr->unix_last_modified_stamp);
1216 hdr->packed_size += put_ptr - ptr;
1218 setup_put(data + I_PACKED_SIZE);
1219 put_longword(hdr->packed_size);
1221 data[I_HEADER_SIZE] = header_size;
1222 data[I_HEADER_CHECKSUM] = calc_sum(data + I_METHOD, header_size);
1223 } else { /* header level 2 */
1224 if (p = strrchr(lzname, LHA_PATHSEP))
1225 name_length = strlen(++p);
1228 name_length = strlen(lzname);
1230 put_word(name_length + 3);
1231 put_byte(1); /* filename */
1232 put_bytes(p, name_length);
1233 } /* if he.. != HEAD_LV2 */
1234 header_size = put_ptr - data;
1237 if (header_level == HEADER_LEVEL2) {
1238 unsigned short hcrc;
1240 if ((header_size + 2 & 0xff) == 0) {
1241 /* cannot write zero at the first byte on level 2 header. */
1242 /* adjust header size. */
1245 printf("%d\n", header_size);
1247 setup_put(data + I_HEADER_SIZE);
1248 put_word(header_size + 2);
1250 hcrc = calc_header_crc(data, (unsigned int) header_size + 2);
1251 setup_put(headercrc_ptr);
1255 if (fwrite(data, header_size + 2, 1, nafp) == 0)
1256 fatal_error("Cannot write to temporary file");
1259 #if MULTIBYTE_FILENAME
1261 #if defined(__APPLE__)
1263 #include <CoreFoundation/CFString.h>
1264 #include <CoreFoundation/CFStringEncodingExt.h>
1266 /* this is not need for Mac OS X v 10.2 later */
1268 kCFStringEncodingAllowLossyConversion = 1,
1269 kCFStringEncodingBasicDirectionLeftToRight = (1 << 1),
1270 kCFStringEncodingBasicDirectionRightToLeft = (1 << 2),
1271 kCFStringEncodingSubstituteCombinings = (1 << 3),
1272 kCFStringEncodingComposeCombinings = (1 << 4),
1273 kCFStringEncodingIgnoreCombinings = (1 << 5),
1274 kCFStringEncodingUseCanonical = (1 << 6),
1275 kCFStringEncodingUseHFSPlusCanonical = (1 << 7),
1276 kCFStringEncodingPrependBOM = (1 << 8),
1277 kCFStringEncodingDisableCorporateArea = (1 << 9),
1278 kCFStringEncodingASCIICompatibleConversion = (1 << 10),
1282 ConvertEncodingToUTF8(const char* inCStr,
1283 char* outUTF8Buffer,
1284 int outUTF8BufferLength,
1285 unsigned long scriptEncoding,
1286 unsigned long flags)
1288 unsigned long unicodeChars;
1289 unsigned long srcCharsUsed;
1290 unsigned long usedByteLen = 0;
1291 UniChar uniStr[512];
1292 unsigned long cfResult;
1294 cfResult = CFStringEncodingBytesToUnicode(scriptEncoding,
1302 if (cfResult == 0) {
1303 cfResult = CFStringEncodingUnicodeToBytes(kCFStringEncodingUTF8,
1308 (char*)outUTF8Buffer,
1309 outUTF8BufferLength - 1,
1311 outUTF8Buffer[usedByteLen] = '\0';
1318 ConvertUTF8ToEncoding(const char* inUTF8Buf,
1319 int inUTF8BufLength,
1320 char* outCStrBuffer,
1321 int outCStrBufferLength,
1322 unsigned long scriptEncoding,
1323 unsigned long flags)
1325 unsigned long unicodeChars;
1326 unsigned long srcCharsUsed;
1327 unsigned long usedByteLen = 0;
1328 UniChar uniStr[256];
1329 unsigned long cfResult;
1331 cfResult = CFStringEncodingBytesToUnicode(kCFStringEncodingUTF8,
1339 if (cfResult == 0) {
1340 cfResult = CFStringEncodingUnicodeToBytes(scriptEncoding,
1345 (char*)outCStrBuffer,
1346 outCStrBufferLength - 1,
1348 outCStrBuffer[usedByteLen] = '\0';
1358 ConvertEncodingByIconv(const char *src, char *dst, int dstsize,
1359 const char *srcEnc, const char *dstEnc)
1362 static char szTmpBuf[2048];
1368 dst_p = &szTmpBuf[0];
1369 iLen = (size_t)sizeof(szTmpBuf)-1;
1370 src_p = (char *)src;
1371 sLen = (size_t)strlen(src);
1372 memset(szTmpBuf, 0, sizeof(szTmpBuf));
1373 memset(dst, 0, dstsize);
1375 ic = iconv_open(dstEnc, srcEnc);
1376 if (ic == (iconv_t)-1) {
1377 error("iconv_open() failure");
1381 if (iconv(ic, &src_p, &sLen, &dst_p, &iLen) == (size_t)-1) {
1382 error("iconv() failure");
1387 strncpy(dst, szTmpBuf, dstsize);
1393 #endif /* defined(__APPLE__) */
1396 sjis_to_utf8(char *dst, const char *src, size_t dstsize)
1398 #if defined(__APPLE__)
1400 if (ConvertEncodingToUTF8(src, dst, dstsize,
1401 kCFStringEncodingDOSJapanese,
1402 kCFStringEncodingUseHFSPlusCanonical) == 0)
1405 if (ConvertEncodingByIconv(src, dst, dstsize, "SJIS", "UTF-8") != -1)
1408 error("not support utf-8 conversion");
1412 if (dstsize < 1) return dst;
1414 return strncpy(dst, src, dstsize-1);
1418 utf8_to_sjis(char *dst, const char *src, size_t dstsize)
1420 #if defined(__APPLE__)
1424 srclen = strlen(src);
1425 if (ConvertUTF8ToEncoding(src, srclen, dst, dstsize,
1426 kCFStringEncodingDOSJapanese,
1427 kCFStringEncodingUseHFSPlusCanonical) == 0)
1430 if (ConvertEncodingByIconv(src, dst, dstsize, "UTF-8", "SJIS") != -1)
1433 error("not support utf-8 conversion");
1437 if (dstsize < 1) return dst;
1439 return strncpy(dst, src, dstsize-1);
1443 * SJIS <-> EUC ÊÑ´¹´Ø¿ô
1444 * ¡ÖÆüËܸì¾ðÊó½èÍý¡× ¥½¥Õ¥È¥Ð¥ó¥¯(³ô)
1445 * ¤è¤êÈ´¿è(by Koji Arai)
1448 euc2sjis(int *p1, int *p2)
1450 unsigned char c1 = *p1 & 0x7f;
1451 unsigned char c2 = *p2 & 0x7f;
1452 int rowoff = c1 < 0x5f ? 0x70 : 0xb0;
1453 int celoff = c1 % 2 ? (c2 > 0x5f ? 0x20 : 0x1f) : 0x7e;
1454 *p1 = ((c1 + 1) >> 1) + rowoff;
1455 *p2 += celoff - 0x80;
1459 sjis2euc(int *p1, int *p2)
1461 unsigned char c1 = *p1;
1462 unsigned char c2 = *p2;
1463 int adjust = c2 < 0x9f;
1464 int rowoff = c1 < 0xa0 ? 0x70 : 0xb0;
1465 int celoff = adjust ? (c2 > 0x7f ? 0x20 : 0x1f) : 0x7e;
1466 *p1 = ((c1 - rowoff) << 1) - adjust;
1472 #endif /* MULTIBYTE_FILENAME */
1474 /* Local Variables: */
1477 /* compile-command:"gcc -c header.c" */
1479 /* vi: set tabstop=4: */