43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_memcmp.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: rparodi <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/11/07 16:49:04 by rparodi #+# #+# */
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/* Updated: 2024/10/31 17:59:48 by rparodi ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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/**
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* @brief Compares two memory blocks
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*
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* @param s1 Pointer to the first memory area
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* @param s2 Pointer to the second memory area
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* @param n Number of bytes to compare
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*
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* @return An integer indicating the relationship between the two memory areas:
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* - `< 0` if `s1` is less than `s2`
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* - `0` if `s1` equals `s2`
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* - `> 0` if `s1` is greater than `s2`
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*/
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int ft_memcmp(const void *s1, const void *s2, size_t n)
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{
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size_t i;
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unsigned char *str1;
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unsigned char *str2;
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i = 0;
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str1 = (unsigned char *)s1;
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str2 = (unsigned char *)s2;
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while (i < n)
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{
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if (str1[i] != str2[i])
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return (str1[i] - str2[i]);
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i++;
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}
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return (0);
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}
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