| 10 |
|
#include <string.h> |
| 11 |
|
#include "bmpfile.h" |
| 12 |
|
|
| 13 |
+ |
#ifdef getc_unlocked /* avoid horrendous overhead of flockfile */ |
| 14 |
+ |
#define getc getc_unlocked |
| 15 |
+ |
#define putc putc_unlocked |
| 16 |
+ |
#endif |
| 17 |
+ |
|
| 18 |
|
/* get corresponding error message */ |
| 19 |
|
const char * |
| 20 |
|
BMPerrorMessage(int ec) |
| 605 |
|
{ |
| 606 |
|
if (pos == bw->fpos) |
| 607 |
|
return BIR_OK; |
| 608 |
< |
if (bw->seek == NULL) { |
| 609 |
< |
if (pos < bw->fpos) |
| 605 |
< |
return BIR_SEEKERR; |
| 606 |
< |
while (bw->fpos < pos) |
| 607 |
< |
wrbyte(0, bw); |
| 608 |
< |
return BIR_OK; |
| 609 |
< |
} |
| 608 |
> |
if (bw->seek == NULL) |
| 609 |
> |
return BIR_SEEKERR; |
| 610 |
|
if ((*bw->seek)(pos, bw->c_data) != 0) |
| 611 |
|
return BIR_SEEKERR; |
| 612 |
|
bw->fpos = pos; |
| 753 |
|
break; |
| 754 |
|
val = *sp; /* output run */ |
| 755 |
|
for (cnt = 1; cnt < 255; cnt++) |
| 756 |
< |
if (!--n | *++sp != val) |
| 756 |
> |
if ((!--n) | (*++sp != val)) |
| 757 |
|
break; |
| 758 |
|
wrbyte(cnt, bw); |
| 759 |
|
wrbyte(val, bw); |
| 761 |
|
bw->yscan++; /* write line break or EOD */ |
| 762 |
|
if (bw->yscan == bw->hdr->height) { |
| 763 |
|
wrbyte(0, bw); wrbyte(1, bw); /* end of bitmap marker */ |
| 764 |
< |
if (bw->seek == NULL || (*bw->seek)(2, bw->c_data) != 0) |
| 764 |
> |
if (wrseek(2, bw) != BIR_OK) |
| 765 |
|
return BIR_OK; /* no one may care */ |
| 766 |
< |
bw->fpos = 2; |
| 766 |
> |
wrint32(bw->flen, bw); /* correct file length */ |
| 767 |
> |
if (wrseek(34, bw) != BIR_OK) |
| 768 |
> |
return BIR_OK; |
| 769 |
|
wrint32(bw->flen-bw->fbmp, bw); /* correct bitmap length */ |
| 770 |
|
} else { |
| 771 |
|
wrbyte(0, bw); wrbyte(0, bw); /* end of line marker */ |
