X-Git-Url: https://jxself.org/git/?p=open-adventure.git;a=blobdiff_plain;f=misc.c;h=aef3eff81da99c528bce205e1ed9e5a4b1f77a66;hp=e69fc9bdf495fe2c63b52e2d3e273509db3b5d54;hb=d9d089bdcc31698970747fc829edb057c0a0da5b;hpb=39a25f8ec79c2a6e0f25fb9060cdb932e3383905 diff --git a/misc.c b/misc.c index e69fc9b..aef3eff 100644 --- a/misc.c +++ b/misc.c @@ -10,38 +10,6 @@ #include "linenoise/linenoise.h" #include "dungeon.h" -const char new_advent_to_ascii[] = { - ' ', '!', '"', '#', '$', '%', '&', '\'', - '(', ')', '*', '+', ',', '-', '.', '/', - '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', ':', ';', '<', '=', '>', '?', - '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', - 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', - 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', - 'X', 'Y', 'Z', '\0', '\0', '\0', '\0', '\0', -}; - -const char new_ascii_to_advent[] = { - 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 63, - - 0, 1, 2, 3, 4, 5, 6, 7, - 8, 9, 10, 11, 12, 13, 14, 15, - 16, 17, 18, 19, 20, 21, 22, 23, - 24, 25, 26, 27, 28, 29, 30, 31, - 32, 33, 34, 35, 36, 37, 38, 39, - 40, 41, 42, 43, 44, 45, 46, 47, - 48, 49, 50, 51, 52, 53, 54, 55, - 56, 57, 58, 59, 60, 61, 62, 63, - - 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 63, - 63, 63, 63, 63, 63, 63, 63, 63, -}; - char* xstrdup(const char* s) { char* ptr = strdup(s); @@ -69,10 +37,22 @@ void* xmalloc(size_t size) void packed_to_token(long packed, char token[6]) { + // The advent->ascii mapping. + const char advent_to_ascii[] = { + ' ', '!', '"', '#', '$', '%', '&', '\'', + '(', ')', '*', '+', ',', '-', '.', '/', + '0', '1', '2', '3', '4', '5', '6', '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', '\0', '\0', '\0', '\0', '\0', +}; + // Unpack and map back to ASCII. for (int i = 0; i < 5; ++i) { char advent = (packed >> i * 6) & 63; - token[i] = new_advent_to_ascii[(int) advent]; + token[i] = advent_to_ascii[(int) advent]; } // Ensure the last character is \0. @@ -89,10 +69,31 @@ void packed_to_token(long packed, char token[6]) long token_to_packed(const char token[6]) { + const char ascii_to_advent[] = { + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 31, + 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 50, 51, 52, 53, 54, 55, + 56, 57, 58, 59, 60, 61, 62, 63, + + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, + 63, 63, 63, 63, 63, 63, 63, 63, +}; + size_t t_len = strlen(token); long packed = 0; for (size_t i = 0; i < t_len; ++i) { - char mapped = new_ascii_to_advent[(int) token[i]]; + char mapped = ascii_to_advent[(int) token[i]]; packed |= (mapped << (6 * i)); } return (packed);