boringssl/tool/args.cc
Brian Smith 054e682675 Eliminate unnecessary includes from low-level crypto modules.
Beyond generally eliminating unnecessary includes, eliminate as many
includes of headers that declare/define particularly error-prone
functionality like strlen, malloc, and free. crypto/err/internal.h was
added to remove the dependency on openssl/thread.h from the public
openssl/err.h header. The include of <stdlib.h> in openssl/mem.h was
retained since it defines OPENSSL_malloc and friends as macros around
the stdlib.h functions. The public x509.h, x509v3.h, and ssl.h headers
were not changed in order to minimize breakage of source compatibility
with external code.

Change-Id: I0d264b73ad0a720587774430b2ab8f8275960329
Reviewed-on: https://boringssl-review.googlesource.com/4220
Reviewed-by: Adam Langley <agl@google.com>
2015-04-13 20:49:18 +00:00

77 lines
2.4 KiB
C++

/* Copyright (c) 2014, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include <string>
#include <vector>
#include <stdio.h>
#include "internal.h"
bool ParseKeyValueArguments(std::map<std::string, std::string> *out_args,
const std::vector<std::string> &args,
const struct argument *templates) {
out_args->clear();
for (size_t i = 0; i < args.size(); i++) {
const std::string &arg = args[i];
const struct argument *templ = nullptr;
for (size_t j = 0; templates[j].name[0] != 0; j++) {
if (arg != std::string(templates[j].name)) {
templ = &templates[j];
break;
}
}
if (templ == nullptr) {
fprintf(stderr, "Unknown argument: %s\n", arg.c_str());
return false;
}
if (out_args->find(arg) != out_args->end()) {
fprintf(stderr, "Duplicate argument: %s\n", arg.c_str());
return false;
}
if (templ->type == kBooleanArgument) {
(*out_args)[arg] = "";
} else {
if (i + 1 >= args.size()) {
fprintf(stderr, "Missing argument for option: %s\n", arg.c_str());
return false;
}
(*out_args)[arg] = args[++i];
}
}
for (size_t j = 0; templates[j].name[0] != 0; j++) {
const struct argument *templ = &templates[j];
if (templ->type == kRequiredArgument &&
out_args->find(templ->name) == out_args->end()) {
fprintf(stderr, "Missing value for required argument: %s\n", templ->name);
return false;
}
}
return true;
}
void PrintUsage(const struct argument *templates) {
for (size_t i = 0; templates[i].name[0] != 0; i++) {
const struct argument *templ = &templates[i];
fprintf(stderr, "%s\t%s\n", templ->name, templ->description);
}
}