67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_strmapi.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: kcolin <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/10/18 11:34:37 by kcolin #+# #+# */
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/* Updated: 2024/10/18 11:52:51 by kcolin ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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#include <stdlib.h>
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char *ft_strmapi(char const *s, char (*f)(unsigned int, char))
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{
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unsigned int i;
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char *out;
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out = ft_calloc(ft_strlen(s) + 1, sizeof(char));
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if (out == NULL)
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return (NULL);
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i = 0;
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while (s[i] != '\0')
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{
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out[i] = (*f)(i, s[i]);
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i++;
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}
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return (out);
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}
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/*
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#include <stdio.h>
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char upcase_some_letters(unsigned int i, char c)
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{
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if (i % 2 == 0)
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return (ft_toupper(c));
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else
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return (ft_tolower(c));
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}
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int main(int argc, char **argv)
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{
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if (argc > 1)
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{
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int i = 1;
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while (i < argc)
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{
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char *out = ft_strmapi(argv[i], &upcase_some_letters);
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printf("%d\t'%s'\n", i, out);
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free(out);
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i++;
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}
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return (0);
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}
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else
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{
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printf("Usage: %s <text...>\n", argv[0]);
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return (1);
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}
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}
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*/
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