blob: a9e7ebf8c6ef526c4bcb1bbf690c4b34317b911c [file] [log] [blame]
// Copyright 2017 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "build_ids.h"
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include "lib/fxl/files/directory.h"
#include "lib/fxl/files/path.h"
#include "lib/fxl/logging.h"
#include "lib/fxl/strings/string_printf.h"
#include "util.h"
namespace debugger_utils {
bool BuildIdTable::ReadIdsFile(const std::string& file) {
FXL_LOG(INFO) << "Loading ids data from " << file;
FILE* f = fopen(file.c_str(), "r");
if (!f) {
FXL_LOG(ERROR) << "error opening ids file, " << ErrnoString(errno);
return false;
}
char* line = nullptr;
size_t linelen = 0;
int lineno = 1;
for (; getline(&line, &linelen, f) > 0; ++lineno) {
size_t n = strlen(line);
if (n > 0 && line[n - 1] == '\n')
line[n - 1] = '\0';
FXL_VLOG(2) << fxl::StringPrintf("read %d: %s", lineno, line);
#define MAX_LINE_LEN 1024
if (linelen > MAX_LINE_LEN) {
FXL_VLOG(2) << fxl::StringPrintf("%d: ignoring: %s", lineno, line);
continue;
}
if (!strcmp(line, "\n"))
continue;
if (line[0] == '#')
continue;
char build_id[linelen];
char path[linelen];
if (sscanf(line, "%s %s", build_id, path) == 2) {
AddBuildId(files::GetDirectoryName(file), build_id, path);
} else {
FXL_VLOG(2) << fxl::StringPrintf("%d: ignoring: %s", lineno, line);
}
}
free(line);
fclose(f);
return true;
}
void BuildIdTable::AddBuildId(const std::string& file_dir,
const std::string& build_id,
const std::string& path) {
std::string abs_path;
// Convert relative paths to absolute ones.
if (path[0] != '/') {
std::string abs_file_dir = files::AbsolutePath(file_dir);
abs_path = abs_file_dir + "/" + path;
} else {
abs_path = path;
}
FXL_VLOG(2) << fxl::StringPrintf("build_id %s, file %s", build_id.c_str(),
abs_path.c_str());
BuildId build_id_object;
build_id_object.build_id = build_id;
build_id_object.file = abs_path;
build_ids_.push_back(build_id_object);
}
const BuildId* BuildIdTable::LookupBuildId(const std::string& bid) {
for (const auto& b : build_ids_) {
if (bid == b.build_id)
return &b;
}
return nullptr;
}
} // namespace debugger_utils