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minidump_dump: add proper cli processing

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In preparation for adding more flexibility to this tool, add a
proper parser for the command line flags.  This uses the style
as seen in other breakpad tools.

BUG=chromium:598947

Change-Id: I95495e6ca7093be34d0d426f98a6c22880ff24a3
Reviewed-on: https://chromium-review.googlesource.com/457019
Reviewed-by: Mark Mentovai <mark@chromium.org>
This commit is contained in:
Mike Frysinger 2017-03-20 00:16:01 -04:00
parent b37547bc70
commit 117aa25107
1 changed files with 53 additions and 8 deletions
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63
src/processor/minidump_dump.cc
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@ -34,6 +34,7 @@
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "common/scoped_ptr.h"
#include "google_breakpad/processor/minidump.h"
@ -52,6 +53,13 @@ using google_breakpad::MinidumpSystemInfo;
using google_breakpad::MinidumpMiscInfo;
using google_breakpad::MinidumpBreakpadInfo;
struct Options {
Options()
: minidumpPath() {}
string minidumpPath;
};
static void DumpRawStream(Minidump *minidump,
uint32_t stream_type,
const char *stream_name,
@ -91,7 +99,7 @@ static void DumpRawStream(Minidump *minidump,
printf("\n\n");
}
static bool PrintMinidumpDump(const char *minidump_file) {
static bool PrintMinidumpDump(const string& minidump_file) {
Minidump minidump(minidump_file);
if (!minidump.Read()) {
BPLOG(ERROR) << "minidump.Read() failed";
@ -199,15 +207,52 @@ static bool PrintMinidumpDump(const char *minidump_file) {
return errors == 0;
}
//=============================================================================
static void
Usage(int argc, const char *argv[], bool error) {
FILE *fp = error ? stderr : stdout;
fprintf(fp,
"Usage: %s [options...] <minidump>\n"
"Dump data in a minidump.\n"
"\n"
"Options:\n"
" <minidump> should be a minidump.\n"
" -h:\t Usage\n",
argv[0]);
}
//=============================================================================
static void
SetupOptions(int argc, const char *argv[], Options *options) {
int ch;
while ((ch = getopt(argc, (char * const *)argv, "h")) != -1) {
switch (ch) {
case 'h':
Usage(argc, argv, false);
exit(0);
default:
Usage(argc, argv, true);
exit(1);
break;
}
}
if ((argc - optind) != 1) {
fprintf(stderr, "%s: Missing minidump file\n", argv[0]);
exit(1);
}
options->minidumpPath = argv[optind];
}
} // namespace
int main(int argc, char **argv) {
int main(int argc, const char *argv[]) {
Options options;
BPLOG_INIT(&argc, &argv);
if (argc != 2) {
fprintf(stderr, "usage: %s <file>\n", argv[0]);
return 1;
}
return PrintMinidumpDump(argv[1]) ? 0 : 1;
SetupOptions(argc, argv, &options);
return PrintMinidumpDump(options.minidumpPath) ? 0 : 1;
}