37 lines
781 B
C
37 lines
781 B
C
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// A small utility to get the hash of a string for SilverMUD's command evaluator:
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#include <string.h>
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#include <stdio.h>
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#include <ctype.h>
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unsigned int hashCommand(char * command, unsigned int commandLength)
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{
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// Lowercase the string:
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for (char * character = command; *character; ++character)
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{
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*character = tolower(*character);
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}
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// Hash the string:
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char * currentCharacter = command;
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unsigned int hash = 0;
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for (unsigned int index = 0; index < commandLength && *currentCharacter != '\0'; currentCharacter++)
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{
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hash = 37 * hash + *currentCharacter;
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}
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return hash;
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}
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void main(int argc, char ** argv)
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{
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if(argc >= 2)
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{
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printf("%u\n", hashCommand(argv[1], strlen(argv[1])));
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}
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else
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{
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printf("Please provide a string to hash as argument one.\n");
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}
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}
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