mirror of
https://github.com/ibm-s390-linux/s390-tools.git
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b627b8d8e1
This commit is based on the s390-tools-1.39.0 version. Changes on top of s390-tools-1.39.0: - Add MIT license to all source files - Add LICENSE file - Transform REAMDE to README.md (markdown) - Add AUTHORS.md file - Add CONTRIBUTING.md file - Move changelog from README to CHANGELOG.md file Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
113 lines
2.1 KiB
C
113 lines
2.1 KiB
C
/**
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* util_path_example - Example program for util_path
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*
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* Copyright IBM Corp. 2016, 2017
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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//! [code]
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#include <dirent.h>
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "lib/util_path.h"
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#include "lib/util_prg.h"
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/*
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* Define program description
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*/
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const struct util_prg prg = {
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.desc = "Sample for util_dirlibrary",
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.copyright_vec = {
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{
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.owner = "IBM Corp.",
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.pub_first = 2001,
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.pub_last = 2016,
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},
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UTIL_PRG_COPYRIGHT_END
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}
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};
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/*
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* Test util_path_sysfs()
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*/
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static void test_util_path_sysfs(void)
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{
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const char * const subsys_vec[] = {"cpu", "memory"};
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char *path;
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int i;
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/* Construct sysfs paths for the subsystems */
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for (i = 0; i < 2; i++) {
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path = util_path_sysfs("devices/system/%s", subsys_vec[i]);
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printf("Path for %6s: \"%s\"\n", subsys_vec[i], path);
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free(path);
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}
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}
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/*
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* Test path
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*/
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static void test_path(const char *path)
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{
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printf("%-20s: ", path);
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if (util_path_is_readable(path))
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printf("read=yes, ");
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else
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printf("read=no , ");
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if (util_path_is_writable(path))
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printf("write=yes, ");
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else
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printf("write=no , ");
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if (util_path_is_reg_file(path))
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printf("reg_file=yes");
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else
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printf("reg_file=no ");
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if (util_path_is_dir(path))
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printf("dir=yes");
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else
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printf("dir=no ");
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printf("\n");
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}
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/*
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* Test util_path_is_xxx()
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*/
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static void test_util_path_is_xxx(void)
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{
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test_path("util_path_example.c");
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test_path("/tmp");
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test_path("i_do_not_exist");
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}
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/*
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* Usage: util_path_example [sysfs mount point] | "is_xxx"
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*/
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int main(int argc, char *argv[])
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{
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util_prg_init(&prg);
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if (argc < 2)
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goto out_fail;
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if (strcmp(argv[1], "sysfs") == 0) {
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if (argc == 3) {
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/* Change sysfs path via SYSFS_ROOT env variable */
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setenv("SYSFS_ROOT", argv[2], 1);
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}
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test_util_path_sysfs();
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} else if (strcmp(argv[1], "is_xxx") == 0) {
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test_util_path_is_xxx();
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} else {
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goto out_fail;
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}
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return EXIT_SUCCESS;
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out_fail:
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errx(EXIT_FAILURE, "Usage: %s sysfs <path> | is_xxx", argv[0]);
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}
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//! [code]
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