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/* |
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* This file is part of uudeview, the simple and friendly multi-part multi- |
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* file uudecoder program (c) 1994-2001 by Frank Pilhofer. The author may |
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* be contacted at fp@fpx.de |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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*/ |
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|
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#ifndef __UUDEVIEW_H__ |
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#define __UUDEVIEW_H__ |
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|
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#include <stdint.h> |
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|
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/* |
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* This include file features all the definitions that should |
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* be externally visible. This isn't much. |
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*/ |
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|
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#ifndef _ANSI_ARGS_ |
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#ifdef PROTOTYPES |
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#define _ANSI_ARGS_(c) c |
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#else |
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#define _ANSI_ARGS_(c) () |
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#endif |
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#endif |
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|
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/* |
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* Message Types |
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*/ |
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|
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#define UUMSG_MESSAGE (0) /* just a message, nothing important */ |
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#define UUMSG_NOTE (1) /* something that should be noticed */ |
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#define UUMSG_WARNING (2) /* important msg, processing continues */ |
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#define UUMSG_ERROR (3) /* processing has been terminated */ |
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#define UUMSG_FATAL (4) /* decoder cannot process further requests */ |
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#define UUMSG_PANIC (5) /* recovery impossible, app must terminate */ |
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|
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/* |
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* Return Values |
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*/ |
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|
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#define UURET_OK (0) /* everything went fine */ |
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#define UURET_IOERR (1) /* I/O Error - examine errno */ |
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#define UURET_NOMEM (2) /* not enough memory */ |
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#define UURET_ILLVAL (3) /* illegal value for operation */ |
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#define UURET_NODATA (4) /* decoder didn't find any data */ |
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#define UURET_NOEND (5) /* encoded data wasn't ended properly */ |
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#define UURET_UNSUP (6) /* unsupported function (encoding) */ |
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#define UURET_EXISTS (7) /* file exists (decoding) */ |
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#define UURET_CONT (8) /* continue -- special from ScanPart */ |
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#define UURET_CANCEL (9) /* operation canceled */ |
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|
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/* |
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* File states, may be OR'ed |
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*/ |
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|
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#define UUFILE_READ (0) /* Read in, but not further processed */ |
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#define UUFILE_MISPART (1) /* Missing Part(s) detected */ |
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#define UUFILE_NOBEGIN (2) /* No 'begin' found */ |
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#define UUFILE_NOEND (4) /* No 'end' found */ |
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#define UUFILE_NODATA (8) /* File does not contain valid uudata */ |
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#define UUFILE_OK (16) /* All Parts found, ready to decode */ |
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#define UUFILE_ERROR (32) /* Error while decoding */ |
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#define UUFILE_DECODED (64) /* Successfully decoded */ |
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#define UUFILE_TMPFILE (128) /* Temporary decoded file exists */ |
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|
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/* |
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* Encoding Types |
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*/ |
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|
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#define UU_ENCODED (1) /* UUencoded data */ |
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#define B64ENCODED (2) /* Mime-Base64 data */ |
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#define XX_ENCODED (3) /* XXencoded data */ |
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#define BH_ENCODED (4) /* Binhex encoded */ |
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#define PT_ENCODED (5) /* Plain-Text encoded (MIME) */ |
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#define QP_ENCODED (6) /* Quoted-Printable (MIME) */ |
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#define YENC_ENCODED (7) /* yEnc encoded */ |
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|
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/* |
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* Option indices for GetOption / SetOption |
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*/ |
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|
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#define UUOPT_RBUF (90) /* file read I/O buffer size */ |
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#define UUOPT_WBUF (91) /* file write I/O buffer size */ |
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#define UUOPT_VERSION (0) /* version number MAJOR.MINORplPATCH (ro) */ |
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#define UUOPT_FAST (1) /* assumes only one part per file */ |
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#define UUOPT_DUMBNESS (2) /* switch off the program's intelligence */ |
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#define UUOPT_BRACKPOL (3) /* give numbers in [] higher precendence */ |
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#define UUOPT_VERBOSE (4) /* generate informative messages */ |
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#define UUOPT_DESPERATE (5) /* try to decode incomplete files */ |
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#define UUOPT_IGNREPLY (6) /* ignore RE:plies (off by default) */ |
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#define UUOPT_OVERWRITE (7) /* whether it's OK to overwrite ex. files */ |
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#define UUOPT_SAVEPATH (8) /* prefix to save-files on disk */ |
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#define UUOPT_IGNMODE (9) /* ignore the original file mode */ |
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#define UUOPT_DEBUG (10) /* print messages with FILE/LINE info */ |
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#define UUOPT_ERRNO (14) /* get last error code for UURET_IOERR (ro) */ |
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#define UUOPT_PROGRESS (15) /* retrieve progress information */ |
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#define UUOPT_USETEXT (16) /* handle text messages */ |
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#define UUOPT_PREAMB (17) /* handle Mime preambles/epilogues */ |
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#define UUOPT_TINYB64 (18) /* detect short B64 outside of Mime */ |
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#define UUOPT_ENCEXT (19) /* extension for single-part encoded files */ |
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#define UUOPT_REMOVE (20) /* remove input files after decoding */ |
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#define UUOPT_MOREMIME (21) /* strict MIME adherence */ |
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#define UUOPT_DOTDOT (22) /* .. unescaping has not yet been done on input files */ |
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#define UUOPT_AUTOCHECK (23) /* call checkgloballist after every part */ |
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|
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/* |
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* Code for the "action" in the progress structure |
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*/ |
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|
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#define UUACT_IDLE (0) /* we don't do anything */ |
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#define UUACT_SCANNING (1) /* scanning an input file */ |
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#define UUACT_DECODING (2) /* decoding into a temp file */ |
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#define UUACT_COPYING (3) /* copying temp to target */ |
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#define UUACT_ENCODING (4) /* encoding a file */ |
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|
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/* |
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* forward definition |
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*/ |
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|
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struct _uufile; |
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|
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/* |
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* Structure for holding the list of files that have been found |
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* uufile items are inserted into this list with UUInsertPartToList |
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* After inserting a bunch of files, UUCheckGlobalList must be called |
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* to update the states. |
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*/ |
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|
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typedef struct _uulist { |
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struct _uulist *NEXT; /* next item of the list */ |
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struct _uulist *PREV; /* previous item of the list */ |
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|
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uint8_t state; /* Status as described by the macros above */ |
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uint8_t flags; /* flags, especially for single-part files */ |
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uint8_t uudet; /* Encoding type (see macros above) */ |
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|
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int begin; /* part number where begin was detected */ |
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int end; /* part number where end was detected */ |
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|
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uint32_t filename_hash; /* hash of filename for faster comparisons */ |
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uint32_t mimeid_hash; /* hash of filename for faster comparisons */ |
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uint16_t mode; /* file mode as found on begin line */ |
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|
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char *filename; /* malloc'ed file name */ |
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char *subfname; /* malloc'ed ID from subject line */ |
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char *mimeid; /* malloc'ed MIME-ID, if available */ |
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char *mimetype; /* malloc'ed Content-Type, if available */ |
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|
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char *binfile; /* name of temp file, if already decoded */ |
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long size; /* approximate size of resulting file */ |
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|
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struct _uufile *thisfile; /* linked list of this file's parts */ |
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|
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int *haveparts; /* the parts we have (max. 256 are listed) */ |
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int *misparts; /* list of missing parts (max. 256) */ |
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} uulist; |
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|
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/* |
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* The "progress" structure which is passed to the Busy Callback |
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*/ |
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|
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typedef struct { |
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int action; /* see UUACT_* definitions above */ |
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char curfile[256]; /* the file we are working on, incl. path */ |
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int partno; /* part we're currently decoding */ |
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int numparts; /* total number of parts of this file */ |
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long fsize; /* size of the current file */ |
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int percent; /* % of _current part_ */ |
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long foffset; /* file offset -- internal use only */ |
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long totsize; /* file total size -- internal use only */ |
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} uuprogress; |
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|
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/* |
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* Structure that holds the information for a single file / part of |
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* a file. If a subject line is encountered, it is copied to subject; |
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* if a begin is found, the mode and name of the file is extracted. |
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* flags are set if 'begin' or 'end' is detected and 'uudet' if valid |
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* uuencoded data is found. If the file contains a 'From:' line with |
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* a '@' in it (indicating an origin email address), it is preserved |
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* in 'origin'. |
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**/ |
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|
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typedef struct _fileread { |
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char *subject; /* Whole subject line */ |
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char *filename; /* Only filled in if begin detected */ |
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char *origin; /* Whole 'From:' line */ |
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char *mimeid; /* the ID for Mime-encoded files */ |
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char *mimetype; /* Content-Type */ |
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int begin; /* begin detected */ |
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int end; /* end detected */ |
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long yefilesize; /* the yencode file size, or 0 */ |
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|
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uint16_t mode; /* Mode of File (from 'begin') */ |
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uint8_t flags; /* associated flags */ |
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uint8_t uudet; /* valid encoded data. value indicates encoding */ |
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int partno; /* Mime-files have a part number within */ |
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int maxpno; /* ... plus the total number of parts */ |
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|
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char *sfname; /* Associated source file */ |
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long startpos; /* ftell() position where data starts */ |
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long length; /* length of data */ |
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} fileread; |
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|
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/* |
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* Structure for holding one part of a file, with some more information |
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* about it. The UUPreProcessPart() function takes one a fileread structure |
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* and produces this uufile structure. |
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* Linked List, ordered by partno. |
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**/ |
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|
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typedef struct _uufile { |
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struct _uufile *NEXT; |
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char *filename; |
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char *subfname; |
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char *mimeid; |
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char *mimetype; |
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fileread *data; |
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long yefilesize; |
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int partno; |
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} uufile; |
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|
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/* |
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* Externally visible functions and variables |
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*/ |
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|
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#ifndef UUEXPORT |
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#define UUEXPORT |
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#endif |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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extern uulist *UUGlobalFileList; |
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|
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extern void (*uu_MsgCallback) (void *, char *, int); |
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extern int (*uu_BusyCallback) (void *, uuprogress *); |
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extern int (*uu_FileCallback) (void *, char *, char *, int); |
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extern char * (*uu_FNameFilter) (void *, char *); |
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extern char * (*uu_FileNameCallback)(void *, char *, char *); |
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|
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int UUEXPORT UUInitialize _ANSI_ARGS_((void)); |
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int UUEXPORT UUGetOption _ANSI_ARGS_((int, int *, char *, int)); |
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int UUEXPORT UUSetOption _ANSI_ARGS_((int, int, char *)); |
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char * UUEXPORT UUstrerror _ANSI_ARGS_((int)); |
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int UUEXPORT UUSetMsgCallback _ANSI_ARGS_((void *, |
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void (*) (void *, |
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char *, |
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int))); |
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int UUEXPORT UUSetBusyCallback _ANSI_ARGS_((void *, |
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int (*) (void *, |
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uuprogress *), |
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long)); |
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int UUEXPORT UUSetFileCallback _ANSI_ARGS_((void *, |
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int (*) (void *, char *, |
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char *, int))); |
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int UUEXPORT UUSetFNameFilter _ANSI_ARGS_((void *, |
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char * (*) (void *, |
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char *))); |
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int UUEXPORT UUSetFileNameCallback _ANSI_ARGS_((void *, |
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char * (*) (void *, |
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char *, char *))); |
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char * UUEXPORT UUFNameFilter _ANSI_ARGS_((char *)); |
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int UUEXPORT UULoadFile _ANSI_ARGS_((char *, char *, int, int *)); |
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int UUEXPORT UULoadFileWithPartNo _ANSI_ARGS_((char *, char *, int, int, int *)); |
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uulist *UUEXPORT UUGetFileListItem _ANSI_ARGS_((int)); |
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int UUEXPORT UURenameFile _ANSI_ARGS_((uulist *, char *)); |
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int UUEXPORT UUDecodeToTemp _ANSI_ARGS_((uulist *)); |
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int UUEXPORT UURemoveTemp _ANSI_ARGS_((uulist *)); |
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int UUEXPORT UUDecodeFile _ANSI_ARGS_((uulist *, char *)); |
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int UUEXPORT UUInfoFile _ANSI_ARGS_((uulist *, void *, |
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int (*) (void *, |
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char *))); |
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int UUEXPORT UUSmerge _ANSI_ARGS_((int)); |
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int UUEXPORT UUCleanUp _ANSI_ARGS_((void)); |
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|
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int UUEXPORT UUQuickDecode _ANSI_ARGS_((FILE *, FILE *, |
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char *, long)); |
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|
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int UUEXPORT UUEncodeMulti _ANSI_ARGS_((FILE *, FILE *, |
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char *, int, |
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char *, char *, int)); |
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int UUEXPORT UUEncodePartial _ANSI_ARGS_((FILE *, FILE *, |
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char *, int, |
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char *, char *, |
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int, int, long, |
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unsigned int *)); |
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int UUEXPORT UUEncodeToStream _ANSI_ARGS_((FILE *, FILE *, |
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char *, int, |
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char *, int)); |
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int UUEXPORT UUEncodeToFile _ANSI_ARGS_((FILE *, char *, int, |
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char *, char *, long)); |
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int UUEXPORT UUE_PrepSingle _ANSI_ARGS_((FILE *, FILE *, |
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char *, int, |
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char *, int, |
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char *, char *, |
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char *, int)); |
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int UUEXPORT UUE_PrepPartial _ANSI_ARGS_((FILE *, FILE *, |
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char *, int, |
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char *, int, |
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int, long, long, char *, |
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char *, char *, int)); |
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|
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int UUEXPORT UUE_PrepSingleExt _ANSI_ARGS_((FILE *, FILE *, |
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char *, int, |
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char *, int, |
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char *, char *, |
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char *, char *, |
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int)); |
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int UUEXPORT UUE_PrepPartialExt _ANSI_ARGS_((FILE *, FILE *, |
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char *, int, |
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char *, int, |
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int, long, long, char *, |
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char *, char *, char *, |
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int)); |
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void UUEXPORT UUCheckGlobalList (void); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif |
