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Don't rely on LSB_FIRST

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twinaphex
2015-07-23 22:18:46 +02:00
parent 46ac3a807b
commit 5cfa9e8ac9
9 changed files with 62 additions and 60 deletions
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12
src/fceu-endian.c
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@@ -63,22 +63,22 @@ int read32le(uint32 *Bufo, FILE *fp) {
uint32 buf;
if (fread(&buf, 1, 4, fp) < 4)
return 0;
#ifdef LSB_FIRST
*(uint32*)Bufo = buf;
#else
#ifdef MSB_FIRST
*(uint32*)Bufo = ((buf & 0xFF) << 24) | ((buf & 0xFF00) << 8) | ((buf & 0xFF0000) >> 8) | ((buf & 0xFF000000) >> 24);
#else
*(uint32*)Bufo = buf;
#endif
return 1;
}
int read16le(char *d, FILE *fp) {
#ifdef LSB_FIRST
return((fread(d, 1, 2, fp) < 2) ? 0 : 2);
#else
#ifdef MSB_FIRST
int ret;
ret = fread(d + 1, 1, 1, fp);
ret += fread(d, 1, 1, fp);
return ret < 2 ? 0 : 2;
#else
return((fread(d, 1, 2, fp) < 2) ? 0 : 2);
#endif
}