pd.if.org Git - pdclib/blob - _PDCLIB_stdstreams.c

   1 /* _PDCLIB_stdstream
   2
   3    This file is part of the Public Domain C Library (PDCLib).
   4    Permission is granted to use, modify, and / or redistribute at will.
   5 */
   6
   7 #include <stdio.h>
   8 #include <locale.h>
   9 #include <limits.h>
  10
  11 #ifndef REGTEST
  12 #include <_PDCLIB_io.h>
  13 #include <threads.h>
  14
  15 static char _PDCLIB_sin_buffer[BUFSIZ];
  16 static char _PDCLIB_sout_buffer[BUFSIZ];
  17 static char _PDCLIB_serr_buffer[BUFSIZ];
  18
  19 static unsigned char _PDCLIB_sin_ungetbuf[_PDCLIB_UNGETCBUFSIZE];
  20 static unsigned char _PDCLIB_sout_ungetbuf[_PDCLIB_UNGETCBUFSIZE];
  21 static unsigned char _PDCLIB_serr_ungetbuf[_PDCLIB_UNGETCBUFSIZE];
  22
  23 extern _PDCLIB_fileops_t _PDCLIB_fileops;
  24
  25 static FILE _PDCLIB_serr = {
  26     .ops        = &_PDCLIB_fileops,
  27     .handle     = { .pointer = NULL },
  28     .buffer     = _PDCLIB_serr_buffer,
  29     .bufsize    = BUFSIZ,
  30     .bufidx     = 0,
  31     .bufend     = 0,
  32     .ungetidx   = 0,
  33     .ungetbuf   = _PDCLIB_serr_ungetbuf,
  34     .status     = _IONBF | _PDCLIB_FWRITE | _PDCLIB_STATIC,
  35     .filename   = NULL,
  36     .next       = NULL,
  37 };
  38 static FILE _PDCLIB_sout = {
  39     .ops        = &_PDCLIB_fileops,
  40     .handle     = { .pointer = NULL },
  41     .buffer     = _PDCLIB_sout_buffer,
  42     .bufsize    = BUFSIZ,
  43     .bufidx     = 0,
  44     .bufend     = 0,
  45     .ungetidx   = 0,
  46     .ungetbuf   = _PDCLIB_sout_ungetbuf,
  47     .status     = _IOLBF | _PDCLIB_FWRITE | _PDCLIB_STATIC,
  48     .filename   = NULL,
  49     .next       = &_PDCLIB_serr
  50 };
  51 static FILE _PDCLIB_sin  = {
  52     .ops        = &_PDCLIB_fileops,
  53     .handle     = { .pointer = NULL },
  54     .buffer     = _PDCLIB_sin_buffer,
  55     .bufsize    = BUFSIZ,
  56     .bufidx     = 0,
  57     .bufend     = 0,
  58     .ungetidx   = 0,
  59     .ungetbuf   = _PDCLIB_sin_ungetbuf,
  60     .status     = _IOLBF | _PDCLIB_FREAD | _PDCLIB_STATIC,
  61     .filename   = NULL,
  62     .next       = &_PDCLIB_sout
  63 };
  64
  65 FILE * stdin  = &_PDCLIB_sin;
  66 FILE * stdout = &_PDCLIB_sout;
  67 FILE * stderr = &_PDCLIB_serr;
  68
  69 FILE * _PDCLIB_filelist = &_PDCLIB_sin;
  70
  71 /* Todo: Better solution than this! */
  72 __attribute__((constructor)) static void init_stdio(void)
  73 {
  74     _PDCLIB_initclocale( &_PDCLIB_global_locale );
  75     mtx_init(&stdin->lock,  mtx_recursive);
  76     mtx_init(&stdout->lock, mtx_recursive);
  77     mtx_init(&stderr->lock, mtx_recursive);
  78 }
  79
  80 #endif
  81
  82 #ifdef TEST
  83 #include <_PDCLIB_test.h>
  84
  85 int main( void )
  86 {
  87     /* Testing covered by several other testdrivers using stdin / stdout /
  88        stderr.
  89     */
  90     return TEST_RESULTS;
  91 }
  92
  93 #endif