| /* genarch.c */ |
| /* Generate a header file (arch.h) with parameters */ |
| /* reflecting the machine architecture. */ |
| |
| #include <stdio.h> |
| |
| /* We should write the result on stdout, but the Turbo C 'make' */ |
| /* can't handle output redirection (sigh). */ |
| |
| main(argc, argv) |
| int argc; |
| char *argv[]; |
| { long one = 1; |
| int v16 = 1 << 16; |
| FILE *f = fopen("arch.h", "w"); |
| if ( f == NULL ) |
| { fprintf(stderr, "genarch.c: can't open arch.h for writing\n"); |
| exit(1); |
| } |
| fprintf(f, "#define big_endian %d\n", 1 - *(char *)&one); |
| fprintf(f, "#define ints_are_short %d\n", v16 == 0); |
| fclose(f); |
| return 0; |
| } |
