diff options
Diffstat (limited to 'endian_check.c')
| -rw-r--r-- | endian_check.c | 53 |
1 files changed, 35 insertions, 18 deletions
diff --git a/endian_check.c b/endian_check.c index bc564e973..d838e14f3 100644 --- a/endian_check.c +++ b/endian_check.c @@ -11,22 +11,39 @@ // care of the real writing to the file. int main (int argc, char *argv[]) { - unsigned char EndianTest[2] = { 1, 0 }; - int force_BE = 0, force_LE = 0; - - if (argc > 1 && strcmp(argv[1], "BE") == 0) - force_BE = 1; - if (argc > 1 && strcmp(argv[1], "LE") == 0) - force_LE = 1; - - printf("#ifndef ENDIAN_H\n#define ENDIAN_H\n"); - - if ( (*(short *) EndianTest == 1 && force_BE != 1) || force_LE == 1) - printf("#define TTD_LITTLE_ENDIAN\n"); - else - printf("#define TTD_BIG_ENDIAN\n"); - - printf("#endif\n"); - - return 0; + unsigned char EndianTest[2] = { 1, 0 }; + int force_BE = 0, force_LE = 0; + + if (argc > 1 && strcmp(argv[1], "BE") == 0) + force_BE = 1; + if (argc > 1 && strcmp(argv[1], "LE") == 0) + force_LE = 1; + + printf("#ifndef ENDIAN_H\n#define ENDIAN_H\n"); + + if (force_LE == 1) { + printf("#define TTD_LITTLE_ENDIAN\n"); + } else { + if (force_BE == 1) { + printf("#define TTD_BIG_ENDIAN\n"); + } else { +#ifdef __APPLE__ + // adding support for universal binaries on OSX + // Universal binaries supports both PPC and x86 + printf("#ifdef __BIG_ENDIAN__\n"); + printf("#define TTD_BIG_ENDIAN\n"); + printf("#else\n"); + printf("#define TTD_LITTLE_ENDIAN\n"); + printf("#endif\n"); +#else + if ( *(short *) EndianTest == 1 ) + printf("#define TTD_LITTLE_ENDIAN\n"); + else + printf("#define TTD_BIG_ENDIAN\n"); +#endif + } + } + printf("#endif\n"); + + return 0; } |