50 lines
998 B
C
50 lines
998 B
C
/**
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* autocorrect.h
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* Header for command auto-correction functionality
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*/
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#ifndef AUTOCORRECT_H
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#define AUTOCORRECT_H
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#include "common.h"
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#include "line_reader.h"
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#include <limits.h>
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/**
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* Calculate Levenshtein distance between two strings
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*
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* @param s1 First string
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* @param s2 Second string
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* @return Edit distance between the strings
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*/
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int levenshtein_distance(const char *s1, const char *s2);
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/**
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* Helper function to find minimum of three integers
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*/
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int min3(int a, int b, int c);
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/**
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* Initialize the autocorrect system
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*/
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void init_autocorrect(void);
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/**
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* Shutdown the autocorrect system
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*/
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void shutdown_autocorrect(void);
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/**
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* Check a command for possible corrections
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*
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* @param args Command arguments
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* @return Corrected arguments array (must be freed by caller) or NULL if no correction
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*/
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char **check_for_corrections(char **args);
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/**
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* Count the number of arguments in a NULL-terminated array
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*/
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int count_args(char **args);
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#endif // AUTOCORRECT_H
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