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utils: cleanup Base64Encode

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This commit is contained in:
Peter Keresztes Schmidt
2021-04-04 00:39:40 +02:00
parent e330f8553d
commit 545f0dbb96
7 changed files with 26 additions and 30 deletions
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27
src/zm_utils.cpp
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@@ -21,7 +21,6 @@
#include "zm_config.h"
#include "zm_logger.h"
#include <algorithm>
#include <array>
#include <cstring>
#include <fcntl.h> /* Definition of AT_* constants */
@@ -121,36 +120,36 @@ std::string Join(const StringVector &values, const std::string &delim) {
return ss.str();
}
const std::string base64Encode(const std::string &inString) {
static char base64_table[64] = { '\0' };
std::string Base64Encode(const std::string &str) {
static char base64_table[64] = {'\0'};
if ( !base64_table[0] ) {
if (!base64_table[0]) {
int i = 0;
for ( char c = 'A'; c <= 'Z'; c++ )
for (char c = 'A'; c <= 'Z'; c++)
base64_table[i++] = c;
for ( char c = 'a'; c <= 'z'; c++ )
for (char c = 'a'; c <= 'z'; c++)
base64_table[i++] = c;
for ( char c = '0'; c <= '9'; c++ )
for (char c = '0'; c <= '9'; c++)
base64_table[i++] = c;
base64_table[i++] = '+';
base64_table[i++] = '/';
}
std::string outString;
outString.reserve(2 * inString.size());
outString.reserve(2 * str.size());
const char *inPtr = inString.c_str();
while ( *inPtr ) {
const char *inPtr = str.c_str();
while (*inPtr) {
unsigned char selection = *inPtr >> 2;
unsigned char remainder = (*inPtr++ & 0x03) << 4;
outString += base64_table[selection];
if ( *inPtr ) {
if (*inPtr) {
selection = remainder | (*inPtr >> 4);
remainder = (*inPtr++ & 0x0f) << 2;
outString += base64_table[selection];
if ( *inPtr ) {
if (*inPtr) {
selection = remainder | (*inPtr >> 6);
outString += base64_table[selection];
selection = (*inPtr++ & 0x3f);
@@ -333,10 +332,6 @@ std::string UriDecode( const std::string &encoded ) {
return retbuf;
}
void string_toupper( std::string& str) {
std::transform(str.begin(), str.end(), str.begin(), ::toupper);
}
void touch(const char *pathname) {
int fd = open(pathname,
O_WRONLY|O_CREAT|O_NOCTTY|O_NONBLOCK,