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sbase/wc.c
sin b8edf3b4ee Add weprintf() and replace fprintf(stderr, ...) calls
There is still some programs left to be updated for this.

Many of these programs would stop on the first file that they
could not open.
2013-11-13 11:41:43 +00:00

103 lines
1.6 KiB
C

/* See LICENSE file for copyright and license details. */
#include <ctype.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "util.h"
static void output(const char *, long, long, long);
static void wc(FILE *, const char *);
static bool lflag = false;
static bool wflag = false;
static char cmode = 0;
static long tc = 0, tl = 0, tw = 0;
static void
usage(void)
{
eprintf("usage: %s [-clmw] [files...]\n", argv0);
}
int
main(int argc, char *argv[])
{
FILE *fp;
int i;
ARGBEGIN {
case 'c':
cmode = 'c';
break;
case 'm':
cmode = 'm';
break;
case 'l':
lflag = true;
break;
case 'w':
wflag = true;
break;
default:
usage();
} ARGEND;
if (argc == 0) {
wc(stdin, NULL);
} else {
for (i = 0; i < argc; i++) {
if(!(fp = fopen(argv[i], "r"))) {
weprintf("fopen %s:", argv[i]);
continue;
}
wc(fp, argv[i]);
fclose(fp);
}
if (argc > 1)
output("total", tc, tl, tw);
}
return EXIT_SUCCESS;
}
void
output(const char *str, long nc, long nl, long nw)
{
bool noflags = !cmode && !lflag && !wflag;
if(lflag || noflags)
printf(" %5ld", nl);
if(wflag || noflags)
printf(" %5ld", nw);
if(cmode || noflags)
printf(" %5ld", nc);
if(str)
printf(" %s", str);
putchar('\n');
}
void
wc(FILE *fp, const char *str)
{
bool word = false;
int c;
long nc = 0, nl = 0, nw = 0;
while((c = getc(fp)) != EOF) {
if(cmode != 'm' || UTF8_POINT(c))
nc++;
if(c == '\n')
nl++;
if(!isspace(c))
word = true;
else if(word) {
word = false;
nw++;
}
}
tc += nc;
tl += nl;
tw += nw;
output(str, nc, nl, nw);
}