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/**
* util_path_example - Example program for util_path
*
* Copyright IBM Corp. 2016, 2019
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
//! [code]
#include <dirent.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include "lib/util_path.h"
#include "lib/util_prg.h"
/*
* Define program description
*/
const struct util_prg prg = {
.desc = "Sample for util_dirlibrary",
.copyright_vec = {
{
.owner = "IBM Corp.",
.pub_first = 2001,
.pub_last = 2019,
},
UTIL_PRG_COPYRIGHT_END
}
};
/*
* Test util_path_sysfs()
*/
static void test_util_path_sysfs(void)
{
const char * const subsys_vec[] = {"cpu", "memory"};
char *path;
int i;
/* Construct sysfs paths for the subsystems */
for (i = 0; i < 2; i++) {
path = util_path_sysfs("devices/system/%s", subsys_vec[i]);
printf("Path for %6s: \"%s\"\n", subsys_vec[i], path);
free(path);
}
}
/*
* Test path
*/
static void test_path(const char *path)
{
printf("%-20s: ", path);
if (util_path_exists(path))
printf("exists=yes ");
else
printf("exists=no ");
if (util_path_is_readable(path))
printf("read=yes ");
else
printf("read=no ");
if (util_path_is_writable(path))
printf("write=yes ");
else
printf("write=no ");
if (util_path_is_reg_file(path))
printf("reg_file=yes ");
else
printf("reg_file=no ");
if (util_path_is_dir(path))
printf("dir=yes ");
else
printf("dir=no ");
if (util_path_is_readonly_file(path))
printf("read-only_file=yes ");
else
printf("read-only_file=no ");
if (util_path_is_writeonly_file(path))
printf("write-only_file=yes");
else
printf("write-only_file=no ");
printf("\n");
}
/*
* Test util_path_is_xxx()
*/
static void test_util_path_is_xxx(void)
{
test_path("util_path_example.c");
test_path("/tmp");
test_path("i_do_not_exist");
}
/*
* Usage: util_path_example sysfs [MOUNT_POINT] | is_xxx
*/
int main(int argc, char *argv[])
{
util_prg_init(&prg);
if (argc < 2)
goto out_fail;
if (strcmp(argv[1], "sysfs") == 0) {
if (argc == 3) {
/* Change sysfs path via SYSFS_ROOT env variable */
setenv("SYSFS_ROOT", argv[2], 1);
}
test_util_path_sysfs();
} else if (strcmp(argv[1], "is_xxx") == 0) {
test_util_path_is_xxx();
} else {
goto out_fail;
}
return EXIT_SUCCESS;
out_fail:
errx(EXIT_FAILURE, "Usage: %s sysfs [MOUNT_POINT] | is_xxx", argv[0]);
}
//! [code]
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