1a3c23234c
Mac wants a stdlib.h. Windows wants a void and doesn't like static const in array declarations. Change-Id: If1e8fb141e41200cf8a7348c6918c2f22465f5fe Reviewed-on: https://boringssl-review.googlesource.com/5030 Reviewed-by: Adam Langley <agl@google.com>
105 lines
3.0 KiB
C++
105 lines
3.0 KiB
C++
/* Copyright (c) 2014, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#include <string>
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#include <vector>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "internal.h"
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bool ParseKeyValueArguments(std::map<std::string, std::string> *out_args,
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const std::vector<std::string> &args,
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const struct argument *templates) {
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out_args->clear();
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for (size_t i = 0; i < args.size(); i++) {
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const std::string &arg = args[i];
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const struct argument *templ = nullptr;
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for (size_t j = 0; templates[j].name[0] != 0; j++) {
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if (strcmp(arg.c_str(), templates[j].name) == 0) {
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templ = &templates[j];
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break;
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}
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}
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if (templ == nullptr) {
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fprintf(stderr, "Unknown argument: %s\n", arg.c_str());
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return false;
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}
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if (out_args->find(arg) != out_args->end()) {
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fprintf(stderr, "Duplicate argument: %s\n", arg.c_str());
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return false;
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}
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if (templ->type == kBooleanArgument) {
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(*out_args)[arg] = "";
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} else {
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if (i + 1 >= args.size()) {
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fprintf(stderr, "Missing argument for option: %s\n", arg.c_str());
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return false;
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}
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(*out_args)[arg] = args[++i];
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}
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}
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for (size_t j = 0; templates[j].name[0] != 0; j++) {
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const struct argument *templ = &templates[j];
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if (templ->type == kRequiredArgument &&
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out_args->find(templ->name) == out_args->end()) {
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fprintf(stderr, "Missing value for required argument: %s\n", templ->name);
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return false;
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}
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}
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return true;
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}
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void PrintUsage(const struct argument *templates) {
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for (size_t i = 0; templates[i].name[0] != 0; i++) {
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const struct argument *templ = &templates[i];
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fprintf(stderr, "%s\t%s\n", templ->name, templ->description);
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}
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}
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bool GetUnsigned(unsigned *out, const std::string &arg_name,
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unsigned default_value,
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const std::map<std::string, std::string> &args) {
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const auto &it = args.find(arg_name);
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if (it == args.end()) {
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*out = default_value;
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return true;
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}
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const std::string &value = it->second;
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if (value.empty()) {
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return false;
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}
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char *endptr;
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unsigned long int num = strtoul(value.c_str(), &endptr, 10);
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if (*endptr ||
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num > UINT_MAX) {
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return false;
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}
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*out = num;
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return true;
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}
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