pith/util.h

   1 /*
   2  * $Id: util.h 761 2007-10-23 22:35:18Z hubert@u.washington.edu $
   3  *
   4  * ========================================================================
   5  * Copyright 2006 University of Washington
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *     http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * ========================================================================
  14  */
  15
  16 #ifndef PITH_UTIL_INCLUDED
  17 #define PITH_UTIL_INCLUDED
  18
  19
  20 #include "../pith/news.h"
  21
  22
  23 #define plural(n)       ((n) == 1 ? "" : "s")
  24
  25
  26 #define READONLY_FOLDER(S)  ((S) && (S)->rdonly && !IS_NEWS(S))
  27
  28 #define STREAMNAME(S)   (((S) && sp_fldr(S) && sp_fldr(S)[0])        \
  29                           ? sp_fldr(S)                               \
  30                           : ((S) && (S)->mailbox && (S)->mailbox[0]) \
  31                             ? (S)->mailbox                           \
  32                             : "?")
  33
  34
  35 /*
  36  * Simple, handy macro to determine if folder name is remote
  37  * (on an imap server)
  38  */
  39 #define IS_REMOTE(X)    (*(X) == '{' && *((X) + 1) && *((X) + 1) != '}' \
  40                          && strchr(((X) + 2), '}'))
  41
  42
  43 /* (0,0) is upper left */
  44 typedef struct screen_position {
  45     int row;
  46     int col;
  47 } Pos;
  48
  49
  50 #define SCREEN_FUN_NULL ((void (*)(struct pine *)) NULL)
  51
  52
  53 /* exported protoypes */
  54 int           *cpyint(int);
  55
  56 /* currently mandatory to implement stubs */
  57
  58 /* called when we detect a serious program error */
  59 void      panic(char *);
  60
  61 /* called when testing to see if panic state is in effect */
  62 int      panicking(void);
  63
  64 /* logs or prints a message then exits */
  65 void      exceptional_exit(char *, int);
  66
  67
  68 #endif /* PITH_UTIL_INCLUDED */