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Unified Diff: webrtc/base/stringencode.cc

Issue 2877023002: Move webrtc/{base => rtc_base} (Closed)
Patch Set: update presubmit.py and DEPS include rules Created 3 years, 6 months ago
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Index: webrtc/base/stringencode.cc
diff --git a/webrtc/base/stringencode.cc b/webrtc/base/stringencode.cc
deleted file mode 100644
index c7d206fd9329724071095ec675681e98df65d271..0000000000000000000000000000000000000000
--- a/webrtc/base/stringencode.cc
+++ /dev/null
@@ -1,696 +0,0 @@
-/*
- * Copyright 2004 The WebRTC Project Authors. All rights reserved.
- *
- * Use of this source code is governed by a BSD-style license
- * that can be found in the LICENSE file in the root of the source
- * tree. An additional intellectual property rights grant can be found
- * in the file PATENTS. All contributing project authors may
- * be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "webrtc/base/stringencode.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "webrtc/base/checks.h"
-#include "webrtc/base/stringutils.h"
-
-namespace rtc {
-
-/////////////////////////////////////////////////////////////////////////////
-// String Encoding Utilities
-/////////////////////////////////////////////////////////////////////////////
-
-size_t escape(char * buffer, size_t buflen,
- const char * source, size_t srclen,
- const char * illegal, char escape) {
- RTC_DCHECK(buffer); // TODO(grunell): estimate output size
- if (buflen <= 0)
- return 0;
-
- size_t srcpos = 0, bufpos = 0;
- while ((srcpos < srclen) && (bufpos + 1 < buflen)) {
- char ch = source[srcpos++];
- if ((ch == escape) || ::strchr(illegal, ch)) {
- if (bufpos + 2 >= buflen)
- break;
- buffer[bufpos++] = escape;
- }
- buffer[bufpos++] = ch;
- }
-
- buffer[bufpos] = '\0';
- return bufpos;
-}
-
-size_t unescape(char * buffer, size_t buflen,
- const char * source, size_t srclen,
- char escape) {
- RTC_DCHECK(buffer); // TODO(grunell): estimate output size
- if (buflen <= 0)
- return 0;
-
- size_t srcpos = 0, bufpos = 0;
- while ((srcpos < srclen) && (bufpos + 1 < buflen)) {
- char ch = source[srcpos++];
- if ((ch == escape) && (srcpos < srclen)) {
- ch = source[srcpos++];
- }
- buffer[bufpos++] = ch;
- }
- buffer[bufpos] = '\0';
- return bufpos;
-}
-
-size_t encode(char * buffer, size_t buflen,
- const char * source, size_t srclen,
- const char * illegal, char escape) {
- RTC_DCHECK(buffer); // TODO(grunell): estimate output size
- if (buflen <= 0)
- return 0;
-
- size_t srcpos = 0, bufpos = 0;
- while ((srcpos < srclen) && (bufpos + 1 < buflen)) {
- char ch = source[srcpos++];
- if ((ch != escape) && !::strchr(illegal, ch)) {
- buffer[bufpos++] = ch;
- } else if (bufpos + 3 >= buflen) {
- break;
- } else {
- buffer[bufpos+0] = escape;
- buffer[bufpos+1] = hex_encode((static_cast<unsigned char>(ch) >> 4) & 0xF);
- buffer[bufpos+2] = hex_encode((static_cast<unsigned char>(ch) ) & 0xF);
- bufpos += 3;
- }
- }
- buffer[bufpos] = '\0';
- return bufpos;
-}
-
-size_t decode(char * buffer, size_t buflen,
- const char * source, size_t srclen,
- char escape) {
- if (buflen <= 0)
- return 0;
-
- unsigned char h1, h2;
- size_t srcpos = 0, bufpos = 0;
- while ((srcpos < srclen) && (bufpos + 1 < buflen)) {
- char ch = source[srcpos++];
- if ((ch == escape)
- && (srcpos + 1 < srclen)
- && hex_decode(source[srcpos], &h1)
- && hex_decode(source[srcpos+1], &h2)) {
- buffer[bufpos++] = (h1 << 4) | h2;
- srcpos += 2;
- } else {
- buffer[bufpos++] = ch;
- }
- }
- buffer[bufpos] = '\0';
- return bufpos;
-}
-
-const char* unsafe_filename_characters() {
- // It might be better to have a single specification which is the union of
- // all operating systems, unless one system is overly restrictive.
-#if defined(WEBRTC_WIN)
- return "\\/:*?\"<>|";
-#else // !WEBRTC_WIN
- // TODO(grunell): Should this never be reached?
- RTC_NOTREACHED();
- return "";
-#endif // !WEBRTC_WIN
-}
-
-const unsigned char URL_UNSAFE = 0x1; // 0-33 "#$%&+,/:;<=>?@[\]^`{|} 127
-const unsigned char XML_UNSAFE = 0x2; // "&'<>
-const unsigned char HTML_UNSAFE = 0x2; // "&'<>
-
-// ! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 6 5 7 8 9 : ; < = > ?
-//@ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _
-//` a b c d e f g h i j k l m n o p q r s t u v w x y z { | } ~
-
-const unsigned char ASCII_CLASS[128] = {
- 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
- 1,0,3,1,1,1,3,2,0,0,0,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0,1,1,3,1,3,1,
- 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,
- 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,1,
-};
-
-size_t url_encode(char * buffer, size_t buflen,
- const char * source, size_t srclen) {
- if (nullptr == buffer)
- return srclen * 3 + 1;
- if (buflen <= 0)
- return 0;
-
- size_t srcpos = 0, bufpos = 0;
- while ((srcpos < srclen) && (bufpos + 1 < buflen)) {
- unsigned char ch = source[srcpos++];
- if ((ch < 128) && (ASCII_CLASS[ch] & URL_UNSAFE)) {
- if (bufpos + 3 >= buflen) {
- break;
- }
- buffer[bufpos+0] = '%';
- buffer[bufpos+1] = hex_encode((ch >> 4) & 0xF);
- buffer[bufpos+2] = hex_encode((ch ) & 0xF);
- bufpos += 3;
- } else {
- buffer[bufpos++] = ch;
- }
- }
- buffer[bufpos] = '\0';
- return bufpos;
-}
-
-size_t url_decode(char * buffer, size_t buflen,
- const char * source, size_t srclen) {
- if (nullptr == buffer)
- return srclen + 1;
- if (buflen <= 0)
- return 0;
-
- unsigned char h1, h2;
- size_t srcpos = 0, bufpos = 0;
- while ((srcpos < srclen) && (bufpos + 1 < buflen)) {
- unsigned char ch = source[srcpos++];
- if (ch == '+') {
- buffer[bufpos++] = ' ';
- } else if ((ch == '%')
- && (srcpos + 1 < srclen)
- && hex_decode(source[srcpos], &h1)
- && hex_decode(source[srcpos+1], &h2))
- {
- buffer[bufpos++] = (h1 << 4) | h2;
- srcpos += 2;
- } else {
- buffer[bufpos++] = ch;
- }
- }
- buffer[bufpos] = '\0';
- return bufpos;
-}
-
-size_t utf8_decode(const char* source, size_t srclen, unsigned long* value) {
- const unsigned char* s = reinterpret_cast<const unsigned char*>(source);
- if ((s[0] & 0x80) == 0x00) { // Check s[0] == 0xxxxxxx
- *value = s[0];
- return 1;
- }
- if ((srclen < 2) || ((s[1] & 0xC0) != 0x80)) { // Check s[1] != 10xxxxxx
- return 0;
- }
- // Accumulate the trailer byte values in value16, and combine it with the
- // relevant bits from s[0], once we've determined the sequence length.
- unsigned long value16 = (s[1] & 0x3F);
- if ((s[0] & 0xE0) == 0xC0) { // Check s[0] == 110xxxxx
- *value = ((s[0] & 0x1F) << 6) | value16;
- return 2;
- }
- if ((srclen < 3) || ((s[2] & 0xC0) != 0x80)) { // Check s[2] != 10xxxxxx
- return 0;
- }
- value16 = (value16 << 6) | (s[2] & 0x3F);
- if ((s[0] & 0xF0) == 0xE0) { // Check s[0] == 1110xxxx
- *value = ((s[0] & 0x0F) << 12) | value16;
- return 3;
- }
- if ((srclen < 4) || ((s[3] & 0xC0) != 0x80)) { // Check s[3] != 10xxxxxx
- return 0;
- }
- value16 = (value16 << 6) | (s[3] & 0x3F);
- if ((s[0] & 0xF8) == 0xF0) { // Check s[0] == 11110xxx
- *value = ((s[0] & 0x07) << 18) | value16;
- return 4;
- }
- return 0;
-}
-
-size_t utf8_encode(char* buffer, size_t buflen, unsigned long value) {
- if ((value <= 0x7F) && (buflen >= 1)) {
- buffer[0] = static_cast<unsigned char>(value);
- return 1;
- }
- if ((value <= 0x7FF) && (buflen >= 2)) {
- buffer[0] = 0xC0 | static_cast<unsigned char>(value >> 6);
- buffer[1] = 0x80 | static_cast<unsigned char>(value & 0x3F);
- return 2;
- }
- if ((value <= 0xFFFF) && (buflen >= 3)) {
- buffer[0] = 0xE0 | static_cast<unsigned char>(value >> 12);
- buffer[1] = 0x80 | static_cast<unsigned char>((value >> 6) & 0x3F);
- buffer[2] = 0x80 | static_cast<unsigned char>(value & 0x3F);
- return 3;
- }
- if ((value <= 0x1FFFFF) && (buflen >= 4)) {
- buffer[0] = 0xF0 | static_cast<unsigned char>(value >> 18);
- buffer[1] = 0x80 | static_cast<unsigned char>((value >> 12) & 0x3F);
- buffer[2] = 0x80 | static_cast<unsigned char>((value >> 6) & 0x3F);
- buffer[3] = 0x80 | static_cast<unsigned char>(value & 0x3F);
- return 4;
- }
- return 0;
-}
-
-size_t html_encode(char * buffer, size_t buflen,
- const char * source, size_t srclen) {
- RTC_DCHECK(buffer); // TODO(grunell): estimate output size
- if (buflen <= 0)
- return 0;
-
- size_t srcpos = 0, bufpos = 0;
- while ((srcpos < srclen) && (bufpos + 1 < buflen)) {
- unsigned char ch = source[srcpos];
- if (ch < 128) {
- srcpos += 1;
- if (ASCII_CLASS[ch] & HTML_UNSAFE) {
- const char * escseq = 0;
- size_t esclen = 0;
- switch (ch) {
- case '<': escseq = "&lt;"; esclen = 4; break;
- case '>': escseq = "&gt;"; esclen = 4; break;
- case '\'': escseq = "&#39;"; esclen = 5; break;
- case '\"': escseq = "&quot;"; esclen = 6; break;
- case '&': escseq = "&amp;"; esclen = 5; break;
- default: RTC_NOTREACHED();
- }
- if (bufpos + esclen >= buflen) {
- break;
- }
- memcpy(buffer + bufpos, escseq, esclen);
- bufpos += esclen;
- } else {
- buffer[bufpos++] = ch;
- }
- } else {
- // Largest value is 0x1FFFFF => &#2097151; (10 characters)
- const size_t kEscseqSize = 11;
- char escseq[kEscseqSize];
- unsigned long val;
- if (size_t vallen = utf8_decode(&source[srcpos], srclen - srcpos, &val)) {
- srcpos += vallen;
- } else {
- // Not a valid utf8 sequence, just use the raw character.
- val = static_cast<unsigned char>(source[srcpos++]);
- }
- size_t esclen = sprintfn(escseq, kEscseqSize, "&#%lu;", val);
- if (bufpos + esclen >= buflen) {
- break;
- }
- memcpy(buffer + bufpos, escseq, esclen);
- bufpos += esclen;
- }
- }
- buffer[bufpos] = '\0';
- return bufpos;
-}
-
-size_t html_decode(char * buffer, size_t buflen,
- const char * source, size_t srclen) {
- RTC_DCHECK(buffer); // TODO(grunell): estimate output size
- return xml_decode(buffer, buflen, source, srclen);
-}
-
-size_t xml_encode(char * buffer, size_t buflen,
- const char * source, size_t srclen) {
- RTC_DCHECK(buffer); // TODO(grunell): estimate output size
- if (buflen <= 0)
- return 0;
-
- size_t srcpos = 0, bufpos = 0;
- while ((srcpos < srclen) && (bufpos + 1 < buflen)) {
- unsigned char ch = source[srcpos++];
- if ((ch < 128) && (ASCII_CLASS[ch] & XML_UNSAFE)) {
- const char * escseq = 0;
- size_t esclen = 0;
- switch (ch) {
- case '<': escseq = "&lt;"; esclen = 4; break;
- case '>': escseq = "&gt;"; esclen = 4; break;
- case '\'': escseq = "&apos;"; esclen = 6; break;
- case '\"': escseq = "&quot;"; esclen = 6; break;
- case '&': escseq = "&amp;"; esclen = 5; break;
- default: RTC_NOTREACHED();
- }
- if (bufpos + esclen >= buflen) {
- break;
- }
- memcpy(buffer + bufpos, escseq, esclen);
- bufpos += esclen;
- } else {
- buffer[bufpos++] = ch;
- }
- }
- buffer[bufpos] = '\0';
- return bufpos;
-}
-
-size_t xml_decode(char * buffer, size_t buflen,
- const char * source, size_t srclen) {
- RTC_DCHECK(buffer); // TODO(grunell): estimate output size
- if (buflen <= 0)
- return 0;
-
- size_t srcpos = 0, bufpos = 0;
- while ((srcpos < srclen) && (bufpos + 1 < buflen)) {
- unsigned char ch = source[srcpos++];
- if (ch != '&') {
- buffer[bufpos++] = ch;
- } else if ((srcpos + 2 < srclen)
- && (memcmp(source + srcpos, "lt;", 3) == 0)) {
- buffer[bufpos++] = '<';
- srcpos += 3;
- } else if ((srcpos + 2 < srclen)
- && (memcmp(source + srcpos, "gt;", 3) == 0)) {
- buffer[bufpos++] = '>';
- srcpos += 3;
- } else if ((srcpos + 4 < srclen)
- && (memcmp(source + srcpos, "apos;", 5) == 0)) {
- buffer[bufpos++] = '\'';
- srcpos += 5;
- } else if ((srcpos + 4 < srclen)
- && (memcmp(source + srcpos, "quot;", 5) == 0)) {
- buffer[bufpos++] = '\"';
- srcpos += 5;
- } else if ((srcpos + 3 < srclen)
- && (memcmp(source + srcpos, "amp;", 4) == 0)) {
- buffer[bufpos++] = '&';
- srcpos += 4;
- } else if ((srcpos < srclen) && (source[srcpos] == '#')) {
- int int_base = 10;
- if ((srcpos + 1 < srclen) && (source[srcpos+1] == 'x')) {
- int_base = 16;
- srcpos += 1;
- }
- char * ptr;
- // TODO(grunell): Fix hack (ptr may go past end of data)
- unsigned long val = strtoul(source + srcpos + 1, &ptr, int_base);
- if ((static_cast<size_t>(ptr - source) < srclen) && (*ptr == ';')) {
- srcpos = ptr - source + 1;
- } else {
- // Not a valid escape sequence.
- break;
- }
- if (size_t esclen = utf8_encode(buffer + bufpos, buflen - bufpos, val)) {
- bufpos += esclen;
- } else {
- // Not enough room to encode the character, or illegal character
- break;
- }
- } else {
- // Unrecognized escape sequence.
- break;
- }
- }
- buffer[bufpos] = '\0';
- return bufpos;
-}
-
-static const char HEX[] = "0123456789abcdef";
-
-char hex_encode(unsigned char val) {
- RTC_DCHECK_LT(val, 16);
- return (val < 16) ? HEX[val] : '!';
-}
-
-bool hex_decode(char ch, unsigned char* val) {
- if ((ch >= '0') && (ch <= '9')) {
- *val = ch - '0';
- } else if ((ch >= 'A') && (ch <= 'Z')) {
- *val = (ch - 'A') + 10;
- } else if ((ch >= 'a') && (ch <= 'z')) {
- *val = (ch - 'a') + 10;
- } else {
- return false;
- }
- return true;
-}
-
-size_t hex_encode(char* buffer, size_t buflen,
- const char* csource, size_t srclen) {
- return hex_encode_with_delimiter(buffer, buflen, csource, srclen, 0);
-}
-
-size_t hex_encode_with_delimiter(char* buffer, size_t buflen,
- const char* csource, size_t srclen,
- char delimiter) {
- RTC_DCHECK(buffer); // TODO(grunell): estimate output size
- if (buflen == 0)
- return 0;
-
- // Init and check bounds.
- const unsigned char* bsource =
- reinterpret_cast<const unsigned char*>(csource);
- size_t srcpos = 0, bufpos = 0;
- size_t needed = delimiter ? (srclen * 3) : (srclen * 2 + 1);
- if (buflen < needed)
- return 0;
-
- while (srcpos < srclen) {
- unsigned char ch = bsource[srcpos++];
- buffer[bufpos ] = hex_encode((ch >> 4) & 0xF);
- buffer[bufpos+1] = hex_encode((ch ) & 0xF);
- bufpos += 2;
-
- // Don't write a delimiter after the last byte.
- if (delimiter && (srcpos < srclen)) {
- buffer[bufpos] = delimiter;
- ++bufpos;
- }
- }
-
- // Null terminate.
- buffer[bufpos] = '\0';
- return bufpos;
-}
-
-std::string hex_encode(const std::string& str) {
- return hex_encode(str.c_str(), str.size());
-}
-
-std::string hex_encode(const char* source, size_t srclen) {
- return hex_encode_with_delimiter(source, srclen, 0);
-}
-
-std::string hex_encode_with_delimiter(const char* source, size_t srclen,
- char delimiter) {
- const size_t kBufferSize = srclen * 3;
- char* buffer = STACK_ARRAY(char, kBufferSize);
- size_t length = hex_encode_with_delimiter(buffer, kBufferSize,
- source, srclen, delimiter);
- RTC_DCHECK(srclen == 0 || length > 0);
- return std::string(buffer, length);
-}
-
-size_t hex_decode(char * cbuffer, size_t buflen,
- const char * source, size_t srclen) {
- return hex_decode_with_delimiter(cbuffer, buflen, source, srclen, 0);
-}
-
-size_t hex_decode_with_delimiter(char* cbuffer, size_t buflen,
- const char* source, size_t srclen,
- char delimiter) {
- RTC_DCHECK(cbuffer); // TODO(grunell): estimate output size
- if (buflen == 0)
- return 0;
-
- // Init and bounds check.
- unsigned char* bbuffer = reinterpret_cast<unsigned char*>(cbuffer);
- size_t srcpos = 0, bufpos = 0;
- size_t needed = (delimiter) ? (srclen + 1) / 3 : srclen / 2;
- if (buflen < needed)
- return 0;
-
- while (srcpos < srclen) {
- if ((srclen - srcpos) < 2) {
- // This means we have an odd number of bytes.
- return 0;
- }
-
- unsigned char h1, h2;
- if (!hex_decode(source[srcpos], &h1) ||
- !hex_decode(source[srcpos + 1], &h2))
- return 0;
-
- bbuffer[bufpos++] = (h1 << 4) | h2;
- srcpos += 2;
-
- // Remove the delimiter if needed.
- if (delimiter && (srclen - srcpos) > 1) {
- if (source[srcpos] != delimiter)
- return 0;
- ++srcpos;
- }
- }
-
- return bufpos;
-}
-
-size_t hex_decode(char* buffer, size_t buflen, const std::string& source) {
- return hex_decode_with_delimiter(buffer, buflen, source, 0);
-}
-size_t hex_decode_with_delimiter(char* buffer, size_t buflen,
- const std::string& source, char delimiter) {
- return hex_decode_with_delimiter(buffer, buflen,
- source.c_str(), source.length(), delimiter);
-}
-
-size_t transform(std::string& value, size_t maxlen, const std::string& source,
- Transform t) {
- char* buffer = STACK_ARRAY(char, maxlen + 1);
- size_t length = t(buffer, maxlen + 1, source.data(), source.length());
- value.assign(buffer, length);
- return length;
-}
-
-std::string s_transform(const std::string& source, Transform t) {
- // Ask transformation function to approximate the destination size (returns upper bound)
- size_t maxlen = t(nullptr, 0, source.data(), source.length());
- char * buffer = STACK_ARRAY(char, maxlen);
- size_t len = t(buffer, maxlen, source.data(), source.length());
- std::string result(buffer, len);
- return result;
-}
-
-size_t tokenize(const std::string& source, char delimiter,
- std::vector<std::string>* fields) {
- fields->clear();
- size_t last = 0;
- for (size_t i = 0; i < source.length(); ++i) {
- if (source[i] == delimiter) {
- if (i != last) {
- fields->push_back(source.substr(last, i - last));
- }
- last = i + 1;
- }
- }
- if (last != source.length()) {
- fields->push_back(source.substr(last, source.length() - last));
- }
- return fields->size();
-}
-
-size_t tokenize_with_empty_tokens(const std::string& source,
- char delimiter,
- std::vector<std::string>* fields) {
- fields->clear();
- size_t last = 0;
- for (size_t i = 0; i < source.length(); ++i) {
- if (source[i] == delimiter) {
- fields->push_back(source.substr(last, i - last));
- last = i + 1;
- }
- }
- fields->push_back(source.substr(last, source.length() - last));
- return fields->size();
-}
-
-size_t tokenize_append(const std::string& source, char delimiter,
- std::vector<std::string>* fields) {
- if (!fields) return 0;
-
- std::vector<std::string> new_fields;
- tokenize(source, delimiter, &new_fields);
- fields->insert(fields->end(), new_fields.begin(), new_fields.end());
- return fields->size();
-}
-
-size_t tokenize(const std::string& source, char delimiter, char start_mark,
- char end_mark, std::vector<std::string>* fields) {
- if (!fields) return 0;
- fields->clear();
-
- std::string remain_source = source;
- while (!remain_source.empty()) {
- size_t start_pos = remain_source.find(start_mark);
- if (std::string::npos == start_pos) break;
- std::string pre_mark;
- if (start_pos > 0) {
- pre_mark = remain_source.substr(0, start_pos - 1);
- }
-
- ++start_pos;
- size_t end_pos = remain_source.find(end_mark, start_pos);
- if (std::string::npos == end_pos) break;
-
- // We have found the matching marks. First tokenize the pre-mask. Then add
- // the marked part as a single field. Finally, loop back for the post-mark.
- tokenize_append(pre_mark, delimiter, fields);
- fields->push_back(remain_source.substr(start_pos, end_pos - start_pos));
- remain_source = remain_source.substr(end_pos + 1);
- }
-
- return tokenize_append(remain_source, delimiter, fields);
-}
-
-bool tokenize_first(const std::string& source,
- const char delimiter,
- std::string* token,
- std::string* rest) {
- // Find the first delimiter
- size_t left_pos = source.find(delimiter);
- if (left_pos == std::string::npos) {
- return false;
- }
-
- // Look for additional occurrances of delimiter.
- size_t right_pos = left_pos + 1;
- while (source[right_pos] == delimiter) {
- right_pos++;
- }
-
- *token = source.substr(0, left_pos);
- *rest = source.substr(right_pos);
- return true;
-}
-
-size_t split(const std::string& source, char delimiter,
- std::vector<std::string>* fields) {
- RTC_DCHECK(fields);
- fields->clear();
- size_t last = 0;
- for (size_t i = 0; i < source.length(); ++i) {
- if (source[i] == delimiter) {
- fields->push_back(source.substr(last, i - last));
- last = i + 1;
- }
- }
- fields->push_back(source.substr(last, source.length() - last));
- return fields->size();
-}
-
-char make_char_safe_for_filename(char c) {
- if (c < 32)
- return '_';
-
- switch (c) {
- case '<':
- case '>':
- case ':':
- case '"':
- case '/':
- case '\\':
- case '|':
- case '*':
- case '?':
- return '_';
-
- default:
- return c;
- }
-}
-
-/*
-void sprintf(std::string& value, size_t maxlen, const char * format, ...) {
- char * buffer = STACK_ARRAY(char, maxlen + 1);
- va_list args;
- va_start(args, format);
- value.assign(buffer, vsprintfn(buffer, maxlen + 1, format, args));
- va_end(args);
-}
-*/
-
-/////////////////////////////////////////////////////////////////////////////
-
-} // namespace rtc
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