hcl/lib/posix/sysdef.c

53 lines
1.5 KiB
C

#include <sys/types.h>
#include <fcntl.h>
#include <stdio.h>
#include <limits.h>
int main (int argc, char* argv[])
{
if (argc != 2)
{
fprintf (stderr, "Usage: %s package-name\n", argv[0]);
return -1;
}
printf ("package %s is\n", argv[1]);
printf ("\n");
printf ("\ttype size_t is mod 2 ** %d;\n", (int)(sizeof(size_t) * 8));
printf ("\ttype ssize_t is range -(2 ** (%d - 1)) .. +(2 ** (%d - 1)) - 1;\n", (int)(sizeof(size_t) * 8), (int)(sizeof(size_t) * 8));
printf ("\ttype ushort_t is mod 2 ** %u;\n", (int)(sizeof(unsigned short) * 8));
printf ("\ttype uint_t is mod 2 ** %u;\n", (int)(sizeof(int) * 8));
printf ("\ttype ulong_t is mod 2 ** %u;\n", (int)(sizeof(unsigned long) * 8));
printf ("\ttype short_t is range %d .. %d;\n", SHRT_MIN, SHRT_MAX);
printf ("\ttype int_t is range %d .. %d;\n", INT_MIN, INT_MAX);
printf ("\ttype long_t is range %ld .. %ld;\n", LONG_MIN, LONG_MAX);
printf ("\n");
printf ("\tO_RDONLY: constant := %d;\n", O_RDONLY);
printf ("\tO_WRONLY: constant := %d;\n", O_WRONLY);
printf ("\tO_RDWR: constant := %d;\n", O_RDWR);
printf ("\tO_CREAT: constant := %d;\n", O_CREAT);
printf ("\tO_EXCL: constant := %d;\n", O_EXCL);
printf ("\tO_TRUNC: constant := %d;\n", O_TRUNC);
printf ("\tO_APPEND: constant := %d;\n", O_APPEND);
#if !defined(O_NONBLOCK)
# define O_NONBLOCK 0
#endif
printf ("\tO_NONBLOCK: constant := %d;\n", O_NONBLOCK);
#if !defined(O_SYNC)
# define O_SYNC 0
#endif
printf ("\tO_SYNC: constant := %d;\n", O_SYNC);
printf ("\n");
printf ("end %s;\n", argv[1]);
return 0;
}