the “I found my first real bug” commit.

[apps/madmutt.git] / rfc2047.c

diff --git a/rfc2047.c b/rfc2047.c
index 333667c..d4e7d6a 100644 (file)
--- a/rfc2047.c
+++ b/rfc2047.c
@@ -13,9 +13,11 @@
 #endif
 
 #include "mutt.h"
+#include "ascii.h"
 #include "mime.h"
 #include "charset.h"
 #include "rfc2047.h"
+#include "thread.h"
 
 #include "lib/mem.h"
 #include "lib/str.h"
@@ -44,10 +46,10 @@
 
 extern char RFC822Specials[];
 
-typedef size_t (*encoder_t) (char *, ICONV_CONST char *, size_t,
+typedef size_t (*encoder_t) (char *, const char *, size_t,
                              const char *);
 
-static size_t convert_string (ICONV_CONST char *f, size_t flen,
+static size_t convert_string (const char *f, size_t flen,
                               const char *from, const char *to,
                               char **t, size_t * tlen)
 {
@@ -60,11 +62,11 @@ static size_t convert_string (ICONV_CONST char *f, size_t flen,
   if (cd == (iconv_t) (-1))
     return (size_t) (-1);
   obl = 4 * flen + 1;
-  ob = buf = safe_malloc (obl);
+  ob = buf = mem_malloc (obl);
   n = iconv (cd, &f, &flen, &ob, &obl);
   if (n == (size_t) (-1) || iconv (cd, 0, 0, &ob, &obl) == (size_t) (-1)) {
     e = errno;
-    FREE (&buf);
+    mem_free (&buf);
     iconv_close (cd);
     errno = e;
     return (size_t) (-1);
@@ -73,7 +75,7 @@ static size_t convert_string (ICONV_CONST char *f, size_t flen,
 
   *tlen = ob - buf;
 
-  safe_realloc (&buf, ob - buf + 1);
+  mem_realloc (&buf, ob - buf + 1);
   *t = buf;
   iconv_close (cd);
 
@@ -102,7 +104,7 @@ char *mutt_choose_charset (const char *fromcode, const char *charsets,
         n > (ENCWORD_LEN_MAX - ENCWORD_LEN_MIN + 2 - 12))
       continue;
 
-    t = safe_malloc (n + 1);
+    t = mem_malloc (n + 1);
     memcpy (t, p, n);
     t[n] = '\0';
 
@@ -112,21 +114,21 @@ char *mutt_choose_charset (const char *fromcode, const char *charsets,
 
     if (!tocode || n < bestn) {
       bestn = n;
-      FREE (&tocode);
+      mem_free (&tocode);
       tocode = t;
       if (d) {
-        FREE (&e);
+        mem_free (&e);
         e = s;
       }
       else
-        FREE (&s);
+        mem_free (&s);
       elen = slen;
       if (!bestn)
         break;
     }
     else {
-      FREE (&t);
-      FREE (&s);
+      mem_free (&t);
+      mem_free (&s);
     }
   }
   if (tocode) {
@@ -141,7 +143,7 @@ char *mutt_choose_charset (const char *fromcode, const char *charsets,
   return tocode;
 }
 
-static size_t b_encoder (char *s, ICONV_CONST char *d, size_t dlen,
+static size_t b_encoder (char *s, const char *d, size_t dlen,
                          const char *tocode)
 {
   char *s0 = s;
@@ -178,7 +180,7 @@ static size_t b_encoder (char *s, ICONV_CONST char *d, size_t dlen,
   return s - s0;
 }
 
-static size_t q_encoder (char *s, ICONV_CONST char *d, size_t dlen,
+static size_t q_encoder (char *s, const char *d, size_t dlen,
                          const char *tocode)
 {
   char hex[] = "0123456789ABCDEF";
@@ -213,13 +215,13 @@ static size_t q_encoder (char *s, ICONV_CONST char *d, size_t dlen,
  * tocode, unless fromcode is 0, in which case the data is assumed to
  * be already in tocode, which should be 8-bit and stateless.
  */
-static size_t try_block (ICONV_CONST char *d, size_t dlen,
+static size_t try_block (const char *d, size_t dlen,
                          const char *fromcode, const char *tocode,
                          encoder_t * encoder, size_t * wlen)
 {
   char buf1[ENCWORD_LEN_MAX - ENCWORD_LEN_MIN + 1];
   iconv_t cd;
-  ICONV_CONST char *ib;
+  const char *ib;
   char *ob, *p;
   size_t ibl, obl;
   int count, len, len_b, len_q;
@@ -286,7 +288,7 @@ static size_t encode_block (char *s, char *d, size_t dlen,
 {
   char buf1[ENCWORD_LEN_MAX - ENCWORD_LEN_MIN + 1];
   iconv_t cd;
-  ICONV_CONST char *ib;
+  const char *ib;
   char *ob;
   size_t ibl, obl, n1, n2;
 
@@ -342,7 +344,7 @@ static size_t choose_block (char *d, size_t dlen, int col,
  * The input data is assumed to be a single line starting at column col;
  * if col is non-zero, the preceding character was a space.
  */
-static int rfc2047_encode (ICONV_CONST char *d, size_t dlen, int col,
+static int rfc2047_encode (const char *d, size_t dlen, int col,
                            const char *fromcode, const char *charsets,
                            char **e, size_t * elen, char *specials)
 {
@@ -361,7 +363,7 @@ static int rfc2047_encode (ICONV_CONST char *d, size_t dlen, int col,
   if (convert_string (d, dlen, fromcode, icode, &u, &ulen)) {
     ret = 1;
     icode = 0;
-    u = safe_malloc ((ulen = dlen) + 1);
+    u = mem_malloc ((ulen = dlen) + 1);
     memcpy (u, d, dlen);
     u[ulen] = 0;
   }
@@ -446,7 +448,7 @@ static int rfc2047_encode (ICONV_CONST char *d, size_t dlen, int col,
 
   /* Initialise the output buffer with the us-ascii prefix. */
   buflen = 2 * ulen;
-  buf = safe_malloc (buflen);
+  buf = mem_malloc (buflen);
   bufpos = t0 - u;
   memcpy (buf, u, t0 - u);
 
@@ -482,7 +484,7 @@ static int rfc2047_encode (ICONV_CONST char *d, size_t dlen, int col,
 #define LINEBREAK "\n\t"
     if (bufpos + wlen + str_len (LINEBREAK) > buflen) {
       buflen = bufpos + wlen + str_len (LINEBREAK);
-      safe_realloc (&buf, buflen);
+      mem_realloc (&buf, buflen);
     }
     r = encode_block (buf + bufpos, t, n, icode, tocode, encoder);
     assert (r == wlen);
@@ -498,14 +500,14 @@ static int rfc2047_encode (ICONV_CONST char *d, size_t dlen, int col,
 
   /* Add last encoded word and us-ascii suffix to buffer. */
   buflen = bufpos + wlen + (u + ulen - t1);
-  safe_realloc (&buf, buflen + 1);
+  mem_realloc (&buf, buflen + 1);
   r = encode_block (buf + bufpos, t, t1 - t, icode, tocode, encoder);
   assert (r == wlen);
   bufpos += wlen;
   memcpy (buf + bufpos, t1, u + ulen - t1);
 
-  FREE (&tocode1);
-  FREE (&u);
+  mem_free (&tocode1);
+  mem_free (&u);
 
   buf[buflen] = '\0';
 
@@ -531,7 +533,7 @@ void _rfc2047_encode_string (char **pd, int encode_specials, int col)
                   Charset, charsets, &e, &elen,
                   encode_specials ? RFC822Specials : NULL);
 
-  FREE (pd);
+  mem_free (pd);
   *pd = e;
 }
 
@@ -555,7 +557,7 @@ static int rfc2047_decode_word (char *d, const char *s, size_t len)
   int enc = 0, count = 0;
   char *charset = NULL;
 
-  pd = d0 = safe_malloc (str_len (s));
+  pd = d0 = mem_malloc (str_len (s));
 
   for (pp = s; (pp1 = strchr (pp, '?')); pp = pp1 + 1) {
     count++;
@@ -565,7 +567,7 @@ static int rfc2047_decode_word (char *d, const char *s, size_t len)
       t = pp1;
       if ((t1 = memchr (pp, '*', t - pp)))
         t = t1;
-      charset = safe_malloc (t - pp + 1);
+      charset = mem_malloc (t - pp + 1);
       memcpy (charset, pp, t - pp);
       charset[t - pp] = '\0';
       break;
@@ -575,8 +577,8 @@ static int rfc2047_decode_word (char *d, const char *s, size_t len)
       else if (toupper ((unsigned char) *pp) == 'B')
         enc = ENCBASE64;
       else {
-        FREE (&charset);
-        FREE (&d0);
+        mem_free (&charset);
+        mem_free (&d0);
         return (-1);
       }
       break;
@@ -623,8 +625,8 @@ static int rfc2047_decode_word (char *d, const char *s, size_t len)
   if (charset)
     mutt_convert_string (&d0, charset, Charset, M_ICONV_HOOK_FROM);
   strfcpy (d, d0, len);
-  FREE (&charset);
-  FREE (&d0);
+  mem_free (&charset);
+  mem_free (&d0);
   return (0);
 }
 
@@ -712,7 +714,7 @@ void rfc2047_decode (char **pd)
     return;
 
   dlen = 4 * str_len (s);        /* should be enough */
-  d = d0 = safe_malloc (dlen + 1);
+  d = d0 = mem_malloc (dlen + 1);
 
   while (*s && dlen > 0) {
     if (!(p = find_encoded_word (s, &q))) {
@@ -728,7 +730,7 @@ void rfc2047_decode (char **pd)
           char *t;
           size_t tlen;
 
-          t = safe_malloc (n + 1);
+          t = mem_malloc (n + 1);
           strfcpy (t, s, n + 1);
           if (mutt_convert_nonmime_string (&t) == 0) {
             tlen = str_len (t);
@@ -739,7 +741,7 @@ void rfc2047_decode (char **pd)
             strncpy (d, s, n);
             d += n;
           }
-          FREE (&t);
+          mem_free (&t);
           break;
         }
       }
@@ -787,7 +789,7 @@ void rfc2047_decode (char **pd)
   }
   *d = 0;
 
-  FREE (pd);
+  mem_free (pd);
   *pd = d0;
   str_adjust (pd);
 }
@@ -800,3 +802,24 @@ void rfc2047_decode_adrlist (ADDRESS * a)
     a = a->next;
   }
 }
+
+void rfc2047_decode_envelope (ENVELOPE* e) {
+
+  if (!e)
+    return;
+
+  /* do RFC2047 decoding */
+  rfc2047_decode_adrlist (e->from);
+  rfc2047_decode_adrlist (e->to);
+  rfc2047_decode_adrlist (e->cc);
+  rfc2047_decode_adrlist (e->bcc);
+  rfc2047_decode_adrlist (e->reply_to);
+  rfc2047_decode_adrlist (e->mail_followup_to);
+  rfc2047_decode_adrlist (e->return_path);
+  rfc2047_decode_adrlist (e->sender);
+
+  if (e->subject) {
+    rfc2047_decode (&e->subject);
+    mutt_adjust_subject (e);
+  }
+}