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>
85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
/*
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* zipl - zSeries Initial Program Loader tool
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*
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* Functions to handle error messages
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*
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* Copyright IBM Corp. 2001, 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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#include <stdarg.h>
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#include <stdio.h>
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#include "error.h"
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#define ERROR_STRING_SIZE 1024
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static char error_reason_string[ERROR_STRING_SIZE];
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static char error_text_string[ERROR_STRING_SIZE];
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static int error_is_reason = 0;
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static int error_is_text = 0;
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/* Specify the actual reason why an operation failed by providing a formatted
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* text string FMT and a variable amount of extra arguments. */
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void
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error_reason(const char* fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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vsnprintf(error_reason_string, ERROR_STRING_SIZE, fmt, args);
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va_end(args);
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error_is_reason = 1;
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}
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/* Specify the (higher level) tool operation failure by providing a formatted
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* text string FMT and a variable amount of extra arguments. */
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void
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error_text(const char* fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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vsnprintf(error_text_string, ERROR_STRING_SIZE, fmt, args);
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va_end(args);
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error_is_text = 1;
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}
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/* Clear a previously specified error_reason() message. */
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void
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error_clear_reason(void)
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{
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error_is_reason = 0;
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}
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/* Clear a previously specified error_text() message. */
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void
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error_clear_text(void)
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{
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error_is_text = 0;
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}
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/* Print out the error reason and text message to stderr. */
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void
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error_print(void)
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{
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if (error_is_text && error_is_reason) {
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fprintf(stderr, "Error: %s: %s\n", error_text_string,
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error_reason_string);
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} else if (error_is_text)
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fprintf(stderr, "Error: %s\n", error_text_string);
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else if (error_is_reason)
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fprintf(stderr, "Error: %s\n", error_reason_string);
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else
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fprintf(stderr, "Error: An unspecified error occurred\n");
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}
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