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Initial s390-tools-2.0.0 import

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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>
This commit is contained in:
Michael Holzheu
2017-08-07 16:13:17 +02:00
commit b627b8d8e1
647 changed files with 168974 additions and 0 deletions
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52
libutil/util_libc_example.c Normal file
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/**
* util_libc_example - Example program for util_libc
*
* Copyright IBM Corp. 2016, 2017
*
* 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 <stdio.h>
#include <stdlib.h>
#include "lib/util_libc.h"
#include "lib/util_panic.h"
/*
* Demonstrate that out of memory is automatically handled via panic()
*/
int main(void)
{
unsigned long ulong_max = (unsigned long)-1;
void *ptr;
char *zeroes, *str;
/* Use util_strcat_realloc() for string concatenation */
fprintf(stderr, "Try to concatenate \"Hello\", \", \" and \"world!\": ");
str = util_strdup("Hello");
str = util_strcat_realloc(str, ", ");
str = util_strcat_realloc(str, "world!");
fprintf(stderr, "result = \"%s\"\n", str);
free(str);
/* One byte allocation should work */
fprintf(stderr, "Try to allocate 1 byte: ");
ptr = util_malloc(1);
fprintf(stderr, "done\n");
/* One byte zeroed-allocation should work */
fprintf(stderr, "Try to allocate 1 byte initialized with zeroes: ");
zeroes = util_zalloc(1);
fprintf(stderr, "done\n");
util_assert(*zeroes == 0, "Garbage found in zero initialized memory\n");
/* The next allocation will probably fail */
fprintf(stderr, "Try to allocate %lu bytes:\n", ulong_max);
ptr = util_malloc(ulong_max);
fprintf(stderr, "You should not see me (ptr=%p)!\n", ptr);
return EXIT_FAILURE;
}
//! [code]