| 157,11 → 157,11 |
|---|
| unsigned short dos_write(unsigned short handle, unsigned short count, unsigned short *bytes, const void far *buf); |
| /* NOTE: last parameter (far pointer buf) is passed on the stack */ |
| #pragma aux dos_write = \ |
| "push ds" \ |
| "push ds" /* save DS into AX */ \ |
| "pop ax" \ |
| "pop dx" \ |
| "pop ds" \ |
| "push ax" \ |
| "push ax" /* save DS into stack for later restoration */ \ |
| "mov ah, 0x40" \ |
| "int 0x21" \ |
| "pop ds" \ |
| 195,12 → 195,18 |
|---|
| } |
| |
| |
| /* TODO this function does not handle overlapping strings well! */ |
| static void fmemmove(void far *dst, const void far *src, size_t len) { |
| short delta = 1; |
| /* detect possible overlap in the forward direction */ |
| if (dst >= src) { |
| dst = (char far *)dst + len - 1; |
| src = (char far *)src + len - 1; |
| delta = -1; |
| } |
| while (len-- > 0) { |
| *(char far *)dst = *(char far *)src; |
| dst = (char far *)dst + 1; |
| src = (char far *)src + 1; |
| dst = (char far *)dst + delta; |
| src = (char far *)src + delta; |
| } |
| } |
| |