diff options
Diffstat (limited to 'engines/cge/general.cpp')
| -rw-r--r-- | engines/cge/general.cpp | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/engines/cge/general.cpp b/engines/cge/general.cpp index a851957b21..b07ddbc362 100644 --- a/engines/cge/general.cpp +++ b/engines/cge/general.cpp @@ -148,24 +148,23 @@ unsigned FastRand(unsigned s) { } uint16 RCrypt(void *buf, uint16 siz, uint16 seed) { - /* - if (buf && siz) { - uint8 * q = BUF + (siz-1); - seed = FastRand(seed); - * (BUF ++) ^= seed; - while (buf < q) * (BUF ++) ^= FastRand(); - if (buf == q) * BUF ^= (seed = FastRand()); - } - return seed; - */ - warning("STUB: RCrypt"); - return 0; + if (buf && siz) { + byte *b = static_cast<byte *>(buf); + byte *q = b + (siz - 1); + seed = FastRand(seed); + *b++ ^= seed; + while (buf < q) + *b++ ^= FastRand(); + if (buf == q) + *b ^= (seed = FastRand()); + } + return seed; } uint16 XCrypt(void *buf, uint16 siz, uint16 seed) { byte *b = static_cast<byte *>(buf); - for (uint16 i = 0; i < siz; i ++) + for (uint16 i = 0; i < siz; i++) *b++ ^= seed; return seed; @@ -175,7 +174,7 @@ uint16 atow(const char *a) { uint16 w = 0; if (a) while (IsDigit(*a)) - w = (10 * w) + (*(a ++) & 0xF); + w = (10 * w) + (*(a++) & 0xF); return w; } @@ -183,7 +182,7 @@ uint16 xtow(const char *x) { uint16 w = 0; if (x) { while (IsHxDig(*x)) { - register uint16 d = * (x ++); + register uint16 d = *(x++); if (d > '9') d -= 'A' - ('9' + 1); w = (w << 4) | (d & 0xF); @@ -332,7 +331,7 @@ DATACK *LoadWave(XFILE *file, EMM *emm) { int TakeEnum(const char **tab, const char *txt) { const char **e; if (txt) { - for (e = tab; *e; e ++) { + for (e = tab; *e; e++) { if (scumm_stricmp(txt, *e) == 0) { return e - tab; } |