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lseek: return current position on SEEK_CUR offset 0

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Matheus
2022-09-21 16:33:10 -03:00
parent ec67d3fe27
commit 190a57c313
1 changed files with 5 additions and 0 deletions
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src/sys/syscalls/lseek.c
+5
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@@ -44,6 +44,11 @@ syscallret syscall_lseek(int ifd, off_t offset, int whence){
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){ if(newoffset < 0 || newoffset > fsize){
retv.errno = EINVAL; retv.errno = EINVAL;
goto _ret; goto _ret;