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

   1
   2 /*
   3  * mime.h -- definitions for MIME
   4  */
   5
   6 #define VRSN_FIELD      "MIME-Version"
   7 #define VRSN_VALUE      "1.0"
   8 #define XXX_FIELD_PRF   "Content-"
   9 #define TYPE_FIELD      "Content-Type"
  10 #define ENCODING_FIELD  "Content-Transfer-Encoding"
  11 #define ID_FIELD        "Content-ID"
  12 #define DESCR_FIELD     "Content-Description"
  13 #define DISPO_FIELD     "Content-Disposition"
  14 #define MD5_FIELD       "Content-MD5"
  15 #define PSEUDOHEADER_PREFIX        "Nmh-"
  16 #define ATTACH_FIELD               PSEUDOHEADER_PREFIX "Attach"
  17 #define ATTACH_FIELD_ALT           "Attach"
  18 #define MHBUILD_FILE_PSEUDOHEADER  PSEUDOHEADER_PREFIX "mhbuild-file-"
  19 #define MHBUILD_ARGS_PSEUDOHEADER  PSEUDOHEADER_PREFIX "mhbuild-args-"
  20
  21 #define isatom(c)   (isascii((unsigned char) c) \
  22                      && !isspace ((unsigned char) c) \
  23                      && !iscntrl ((unsigned char) c) && (c) != '(' \
  24                      && (c) != ')' && (c) != '<'  && (c) != '>' \
  25                      && (c) != '@' && (c) != ','  && (c) != ';' \
  26                      && (c) != ':' && (c) != '\\' && (c) != '"' \
  27                      && (c) != '.' && (c) != '['  && (c) != ']')
  28
  29 /*
  30  * Test for valid characters used in "token"
  31  * as defined in RFC2045
  32  */
  33 #define istoken(c)  (isascii((unsigned char) c) \
  34                      && !isspace ((unsigned char) c) \
  35                      && !iscntrl ((unsigned char) c) && (c) != '(' \
  36                      && (c) != ')' && (c) != '<'  && (c) != '>' \
  37                      && (c) != '@' && (c) != ','  && (c) != ';' \
  38                      && (c) != ':' && (c) != '\\' && (c) != '"' \
  39                      && (c) != '/' && (c) != '['  && (c) != ']' \
  40                      && (c) != '?' && (c) != '=')
  41
  42 /*
  43  * Definitions for RFC 2231 encoding
  44  */
  45 #define istspecial(c)  ((c) == '(' || (c) == ')' || (c) == '<' || (c) == '>' \
  46                         || (c) == '@' || (c) == ',' || (c) == ';' \
  47                         || (c) == ':' || (c) == '\\' || (c) == '"' \
  48                         || (c) == '/' || (c) == '[' || (c) == ']' \
  49                         || (c) == '?' || (c) == '=')
  50
  51 #define isparamencode(c)  (!isascii((unsigned char) c) || \
  52                            iscntrl((unsigned char) c) || istspecial(c) || \
  53                            (c) == ' ' || (c) == '*' || (c) == '\'' || \
  54                            (c) == '%')
  55
  56 #define MAXTEXTPERLN 78
  57 #define MAXLONGLINE 998
  58 #define CPERLIN 76
  59 #define BPERLIN (CPERLIN / 4)
  60 #define LPERMSG 632
  61 #define CPERMSG (LPERMSG * CPERLIN)
  62