Skip to content
Permalink
master
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Go to file
 
 
Cannot retrieve contributors at this time
/*
* Copyright (C) 2002 Red Hat, Inc.
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <https://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <sys/time.h>
#include <sys/types.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <glib.h>
static void
catfile(const char *pathname, long delay, long chunksize)
{
FILE *fp;
struct timeval tv;
char *buf;
int c;
long i;
if (!((pathname == NULL) || (strcmp(pathname, "-") == 0))) {
fp = fopen(pathname, "r");
if (fp == NULL) {
g_warning("Error opening file `%s': %s.\n",
pathname, strerror(errno));
return;
}
} else {
fp = stdin;
}
buf = g_malloc(chunksize);
while (!feof(fp)) {
tv.tv_sec = delay / 1000000;
tv.tv_usec = delay % 1000000;
select(0, NULL, NULL, NULL, &tv);
for (i = 0; i < chunksize; i++) {
c = fgetc(fp);
if (c != EOF) {
buf[i] = c;
} else {
break;
}
}
if (i > 0) {
int bytes G_GNUC_UNUSED;
bytes = write(STDOUT_FILENO, buf, i);
fsync(STDOUT_FILENO);
}
}
g_free(buf);
if (fp != stdin) {
fclose(fp);
}
}
int
main(int argc, char **argv)
{
int i, c;
long delay = 200000, chunksize = 1, tmp;
char *p;
GList *files = NULL, *file;
while ((c = getopt(argc, argv, "t:c:")) != -1) {
switch (c) {
case 't':
tmp = strtol(optarg, &p, 0);
if ((p != NULL) && (*p == '\0')) {
delay = tmp;
}
break;
case 'c':
tmp = strtol(optarg, &p, 0);
if ((p != NULL) && (*p == '\0')) {
chunksize = tmp;
}
break;
default:
g_printerr("Usage: slowcat [-t delay] [-c chunksize] [file ...]\n");
exit(1);
break;
}
}
for (i = optind; i < argc; i++) {
files = g_list_append(files, argv[i]);
}
if (files) {
for (file = files; file != NULL; file = g_list_next(file)) {
catfile((const char*)file->data, delay, chunksize);
}
} else {
catfile(NULL, delay, chunksize);
}
return 0;
}