timeout: fix arguments to match coreutils
[oweals/busybox.git] / libbb / print_numbered_lines.c
1 /* vi: set sw=4 ts=4: */
2 /*
3  * Copyright (C) 2017 Denys Vlasenko <vda.linux@googlemail.com>
4  *
5  * Licensed under GPLv2, see file LICENSE in this source tree.
6  */
7 //kbuild:lib-y += print_numbered_lines.o
8
9 #include "libbb.h"
10
11 void FAST_FUNC print_numbered_lines(struct number_state *ns, const char *filename)
12 {
13         FILE *fp = fopen_or_warn_stdin(filename);
14         unsigned N = ns->start;
15         char *line;
16
17         while ((line = xmalloc_fgetline(fp)) != NULL) {
18                 if (ns->all
19                  || (ns->nonempty && line[0])
20                 ) {
21                         printf("%*u%s%s\n", ns->width, N, ns->sep, line);
22                         N += ns->inc;
23                 } else if (ns->empty_str)
24                         fputs(ns->empty_str, stdout);
25                 free(line);
26         }
27         ns->start = N;
28
29         fclose(fp);
30 }