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Fix erronous return value when writting ie 512 byte on 4096-byte sector

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This commit is contained in:
Christophe Grenier 2013-09-12 12:02:16 +02:00
parent 94f6943be7
commit a21a497016
1 changed files with 3 additions and 1 deletions
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4
src/alignio.h
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@ -59,6 +59,7 @@ static int align_pwrite(int (*fnct_pread)(disk_t *disk_car, void *buf, const uns
(((size_t)(buf) & (disk_car->sector_size-1))!=0))
)
{
int tmp;
if(disk_car->wbuffer==NULL)
disk_car->wbuffer_size=128*512;
while(disk_car->wbuffer_size < count_new)
@ -75,7 +76,8 @@ static int align_pwrite(int (*fnct_pread)(disk_t *disk_car, void *buf, const uns
memset(disk_car->wbuffer,0, disk_car->wbuffer_size);
}
memcpy((char*)disk_car->wbuffer+(offset_new%disk_car->sector_size),buf,count);
return fnct_pwrite(disk_car, disk_car->wbuffer, count_new, offset_new/disk_car->sector_size*disk_car->sector_size);
tmp=fnct_pwrite(disk_car, disk_car->wbuffer, count_new, offset_new/disk_car->sector_size*disk_car->sector_size);
return (tmp < (signed)count ? tmp : (signed)count);
}
return fnct_pwrite(disk_car, buf, count, offset_new);
}