patternSearch.c

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#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
 
#include "patternSearch.h"
 
uint32_t PatternSearch(char *text, char *pattern)
{
    uint32_t t = strlen(text);
    uint32_t p = strlen(pattern);
 
    for (uint32_t i = 0; i < t - p; i++)
    {
        uint32_t j;
        for (j = 0; j < p; j++)
            if (text[i + j] != pattern[j])
                break;
 
        if (j == p)
            return i + 1;
    }
    return -1;
}