Fix fseek behavior.

diff --git a/libc/stdio/stdio.c b/libc/stdio/stdio.c
index 01588aa..e67408d 100644 (file)
--- a/libc/stdio/stdio.c
+++ b/libc/stdio/stdio.c
@@ -588,15 +588,16 @@ int fseek(FILE *fp, long int offset, int ref)
                                --offset;                       /* adjust offset (clear flag below). */
                        }
                }
-               fp->bufpos = fp->bufread = fp->bufstart;
        }
 
        if ((fp->mode & __MODE_ERR) || 
                (((ref != SEEK_CUR) || offset) && (lseek(fp->fd, offset, ref) < 0))) {
-               fp->mode |= __MODE_ERR; /* Possibly redundant, but doesn't hurt. */
                return -1;
        }
 
+       if (READING(fp)) {
+               fp->bufpos = fp->bufread = fp->bufstart;
+       }
        fp->mode &=     ~(__MODE_EOF | __MODE_UNGOT);
 
        return 0;