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>
136 lines
3.3 KiB
C++
136 lines
3.3 KiB
C++
/*
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* vmconvert - Convert z/VM VMDUMPs into Linux lkcd dumps
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*
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* Main program
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*
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* Copyright IBM Corp. 2004, 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 <getopt.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include "lib/vmdump.h"
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#include "lib/zt_common.h"
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static struct option longopts[] = {
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{"file",required_argument,0,'f'},
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{"help",no_argument,0,'h'},
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{"version",no_argument,0,'v'},
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{"output",required_argument,0,'o'},
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{0,0,0,0}
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};
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#define OPTSTRING "f:o:vh"
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extern char *optarg;
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/* Version info */
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static const char version_text[] = "vmconvert: vmdump converter tool version "\
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RELEASE_STRING;
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/* Copyright notice */
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static const char copyright_notice[] = "Copyright IBM Corp. 2004, 2017";
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/* Usage information */
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static const char usage_text[] = \
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"Usage: vmconvert -f VMDUMPFILE [-o OUTPUTFILE]\n" \
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" vmconvert VMDUMPFILE [OUTPUTFILE]\n" \
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"\n" \
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"Convert a vmdump into a lkcd (linux kernel crash dumps) dump.\n" \
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"\n" \
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"-h, --help Print this help, then exit.\n" \
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"-v, --version Print version information, then exit.\n" \
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"-f, --file VMDUMPFILE The vmdump file VMDUMPFILE, which should be\n"\
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" converted.\n" \
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"-o, --output OUTPUTFILE The converted lkcd dump file OUTPUTFILE.\n"\
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" The default file name is 'dump.lkcd'.\n";
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/* Globals */
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char inputFileName[1024];
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char outputFileName[1024] = "dump.lkcd";
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void
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parseOpts(int argc, char* argv[])
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{
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int inputFileSet = 0;
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int outputFileSet = 0;
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int c, longIndex;
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while((c = getopt_long(argc, argv, OPTSTRING, longopts,
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&longIndex)) != -1) {
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switch (c) {
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case 'f':
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strcpy(inputFileName, optarg);
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inputFileSet = 1;
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break;
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case 'o':
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strcpy(outputFileName, optarg);
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outputFileSet = 1;
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break;
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case 'h':
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printf("%s", usage_text);
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exit(0);
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case 'v':
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printf("%s\n", version_text);
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printf("%s\n", copyright_notice);
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exit(0);
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default:
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fprintf(stderr, "Try 'vmconvert --help' for"
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" more information.\n");
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exit(1);
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}
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}
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/* check for positional parameters */
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if (optind < argc) {
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int count = 0;
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while (optind < argc){
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if(!inputFileSet && count==0){
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strcpy(inputFileName, argv[optind]);
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inputFileSet = 1;
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} else if(!outputFileSet && count==1){
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strcpy(outputFileName, argv[optind]);
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outputFileSet = 1;
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} else if(count == 2){
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printf("%s", usage_text);
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exit(0);
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}
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count++;
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optind++;
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}
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}
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if(!inputFileSet){
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printf("%s: input file required - use '-f' option!\n",argv[0]);
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exit(1);
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}
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}
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int
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main(int argc, char* argv[])
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{
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struct stat s;
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int rc;
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parseOpts(argc,argv);
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/* Check if output file already exists */
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if(stat(outputFileName,&s) == 0){
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char answer[100];
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printf("%s: overwrite file '%s'? ",argv[0],outputFileName);
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if(scanf("%s",answer) != 1)
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exit(1);
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if((strcmp(answer,"y") != 0) && (strcmp(answer,"yes") != 0))
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exit(0);
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}
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rc = vmdump_convert(inputFileName, outputFileName, argv[0]);
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if (!rc)
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printf("'%s' has been written successfully.\n", outputFileName);
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return rc;
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}
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