110 lines
1.8 KiB
C
110 lines
1.8 KiB
C
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/*
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** Copyright 1998 - 2000 Double Precision, Inc. See COPYING for
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** distribution information.
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "rfc822.h"
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#include "rfc2047.h"
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static const char rcsid[]="$Id$";
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#if HAVE_LIBUNICODE
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#include "../unicode/unicode.h"
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struct decode_unicode_s {
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const struct unicode_info *mychset;
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int options;
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char *bufptr;
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size_t bufsize;
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} ;
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static void save_unicode_text(const char *p, int l, struct decode_unicode_s *s)
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{
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if (s->bufptr)
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memcpy(s->bufptr+s->bufsize, p, l);
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s->bufsize += l;
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}
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static int save_unicode(const char *txt, int len, const char *chset,
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void *arg)
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{
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struct decode_unicode_s *p=(struct decode_unicode_s *)arg;
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char *txts=malloc(len+1);
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char *s;
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if (!txts)
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return (-1);
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memcpy(txts, txt, len);
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txts[len]=0;
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if (!chset)
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chset=unicode_ISO8859_1.chset;
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s=unicode_convert_fromchset(txts, chset, p->mychset);
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free(txts);
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if (s)
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{
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save_unicode_text(s, strlen(s), p);
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free(s);
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return (0);
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}
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if (p->options & RFC2047_DECODE_ABORT)
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{
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errno=EINVAL;
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return (-1);
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}
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if (p->options & RFC2047_DECODE_DISCARD)
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return (0);
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save_unicode_text(" [", 2, p);
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save_unicode_text(chset, strlen(chset), p);
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save_unicode_text("] ", 2, p);
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save_unicode_text(txt, len, p);
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return (0);
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}
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char *rfc2047_decode_unicode(const char *text,
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const struct unicode_info *mychset,
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int options)
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{
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struct decode_unicode_s s;
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char *p=0;
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s.mychset=mychset;
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s.options=0;
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s.bufptr=0;
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s.bufsize=1;
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if (rfc2047_decode(text, &save_unicode, &s))
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return (0);
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s.bufptr=p=malloc(s.bufsize);
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if (!s.bufptr)
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return (0);
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s.bufsize=0;
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if (rfc2047_decode(text, &save_unicode, &s))
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{
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free(p);
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return (0);
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}
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save_unicode_text("", 1, (void *)&s);
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return (p);
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}
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#endif
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