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Diffstat (limited to 'src/hex.h')
| -rw-r--r-- | src/hex.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/hex.h b/src/hex.h new file mode 100644 index 000000000..1afb87597 --- /dev/null +++ b/src/hex.h @@ -0,0 +1,44 @@ +/* +Minetest-c55 +Copyright (C) 2012 Jonathan Neuschäfer <j.neuschaefer@gmx.net> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along +with this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +#ifndef HEX_HEADER +#define HEX_HEADER + +#include <string> + +static const char hex_chars[] = "0123456789abcdef"; + +static std::string hex_encode(const char *data, unsigned int data_size) +{ + std::string ret; + char buf2[3]; + buf2[2] = '\0'; + + for(unsigned int i = 0; i < data_size; i++) + { + unsigned char c = (unsigned char) data[i]; + buf2[0] = hex_chars[(c & 0xf0) >> 4]; + buf2[1] = hex_chars[c & 0x0f]; + ret.append(buf2); + } + + return ret; +} + +#endif |