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seek: actually act properly

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Matheus
2022-09-27 10:35:26 -03:00
parent b3a74baaa4
commit e1f29c259d
1 changed files with 1 additions and 15 deletions
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src/sys/syscalls/lseek.c
-14
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@@ -44,24 +44,10 @@ syscallret syscall_lseek(int ifd, off_t offset, int whence){
switch(whence){ switch(whence){
case SEEK_SET: case SEEK_SET:
if(offset < 0 || offset > fsize){
retv.errno = EINVAL;
goto _ret;
}
newoffset = offset; newoffset = offset;
break; break;
case SEEK_CUR: case SEEK_CUR:
newoffset += offset; newoffset += offset;
if(offset == 0){
retv.errno = 0;
retv.ret = fd->offset;
goto _ret;
}
if(newoffset < 0 || newoffset > fsize){
retv.errno = EINVAL;
goto _ret;
}
if(newoffset < offset){ if(newoffset < offset){
retv.errno = EOVERFLOW; retv.errno = EOVERFLOW;
goto _ret; goto _ret;