diplodocus.org Git - nmh/blob - h/mime.h

   1 /* mime.h -- definitions for MIME
   2  */
   3
   4 #define VRSN_FIELD      "MIME-Version"
   5 #define VRSN_VALUE      "1.0"
   6 #define XXX_FIELD_PRF   "Content-"
   7 #define TYPE_FIELD      "Content-Type"
   8 #define ENCODING_FIELD  "Content-Transfer-Encoding"
   9 #define ID_FIELD        "Content-ID"
  10 #define DESCR_FIELD     "Content-Description"
  11 #define DISPO_FIELD     "Content-Disposition"
  12 #define MD5_FIELD       "Content-MD5"
  13 #define PSEUDOHEADER_PREFIX        "Nmh-"
  14 #define ATTACH_FIELD               PSEUDOHEADER_PREFIX "Attach"
  15 #define ATTACH_FIELD_ALT           "Attach"
  16 #define MHBUILD_FILE_PSEUDOHEADER  PSEUDOHEADER_PREFIX "mhbuild-file-"
  17 #define MHBUILD_ARGS_PSEUDOHEADER  PSEUDOHEADER_PREFIX "mhbuild-args-"
  18
  19 /*
  20  * Test for valid characters used in "token"
  21  * as defined in RFC2045
  22  */
  23 #define istoken(c)  (isascii((unsigned char) c) \
  24                      && !isspace ((unsigned char) c) \
  25                      && !iscntrl ((unsigned char) c) && (c) != '(' \
  26                      && (c) != ')' && (c) != '<'  && (c) != '>' \
  27                      && (c) != '@' && (c) != ','  && (c) != ';' \
  28                      && (c) != ':' && (c) != '\\' && (c) != '"' \
  29                      && (c) != '/' && (c) != '['  && (c) != ']' \
  30                      && (c) != '?' && (c) != '=')
  31
  32 /*
  33  * Definitions for RFC 2231 encoding
  34  */
  35 #define istspecial(c)  ((c) == '(' || (c) == ')' || (c) == '<' || (c) == '>' \
  36                         || (c) == '@' || (c) == ',' || (c) == ';' \
  37                         || (c) == ':' || (c) == '\\' || (c) == '"' \
  38                         || (c) == '/' || (c) == '[' || (c) == ']' \
  39                         || (c) == '?' || (c) == '=')
  40
  41 #define isparamencode(c)  (!isascii((unsigned char) c) || \
  42                            iscntrl((unsigned char) c) || istspecial(c) || \
  43                            (c) == ' ' || (c) == '*' || (c) == '\'' || \
  44                            (c) == '%')
  45
  46 #define MAXTEXTPERLN 78
  47 #define MAXLONGLINE 998
  48 #define CPERLIN 76
  49 #define BPERLIN (CPERLIN / 4)
  50 #define LPERMSG 632
  51 #define CPERMSG (LPERMSG * CPERLIN)