ndk-busybox/libbb/print_numbered_lines.c
Denys Vlasenko 75e90b1548 cat: fix "cat -An" ignoring -n; make numbering go througn all files
function                                             old     new   delta
cat_main                                             418     428     +10

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2017-07-14 10:47:18 +02:00

31 lines
672 B
C

/* vi: set sw=4 ts=4: */
/*
* Copyright (C) 2017 Denys Vlasenko <vda.linux@googlemail.com>
*
* Licensed under GPLv2, see file LICENSE in this source tree.
*/
//kbuild:lib-y += print_numbered_lines.o
#include "libbb.h"
void FAST_FUNC print_numbered_lines(struct number_state *ns, const char *filename)
{
FILE *fp = fopen_or_warn_stdin(filename);
unsigned N = ns->start;
char *line;
while ((line = xmalloc_fgetline(fp)) != NULL) {
if (ns->all
|| (ns->nonempty && line[0])
) {
printf("%*u%s%s\n", ns->width, N, ns->sep, line);
N += ns->inc;
} else if (ns->empty_str)
fputs(ns->empty_str, stdout);
free(line);
}
ns->start = N;
fclose(fp);
}