108 lines
2.8 KiB
C
108 lines
2.8 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* str_l_cat.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/08/09 18:01:09 by maiboyer #+# #+# */
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/* Updated: 2023/12/09 14:51:34 by maiboyer ### ########.fr */
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/* */
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/* ************************************************************************** */
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/*R
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//CFLAGS="-lbsd"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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R*/
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#include "me/string/str_l_cat.h"
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#include "me/string/str_len.h"
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t_usize str_l_cat(t_str dest, t_const_str src, t_usize buffer_size)
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{
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t_usize dest_len;
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t_usize src_len;
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t_usize i;
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if (buffer_size == 0 && (dest == NULL || src == NULL))
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return (0);
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dest_len = str_len(dest);
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src_len = str_len(src);
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if (dest_len >= buffer_size)
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return (buffer_size + src_len);
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i = 0;
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while (src[i] && dest_len + i < buffer_size - 1)
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{
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dest[dest_len + i] = src[i];
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i++;
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}
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dest[dest_len + i] = '\0';
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return (dest_len + src_len);
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}
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/*R
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#include <bsd/string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define SIZE 64
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int main(void) {
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char* dest_ft;
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char* dest_libc;
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char* to_cat = "banane";
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unsigned int res_libc = 0;
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unsigned int res_ft = 0;
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int i;
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for (int v = 0; v <= SIZE; v++)
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for (int j = 0; j < SIZE; j++)
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{
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dest_ft = malloc(SIZE);
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dest_libc = malloc(SIZE);
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i = 0;
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while (i < SIZE)
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{
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dest_ft[i] = 'X';
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dest_libc[i] = 'X';
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i++;
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}
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dest_ft[SIZE - j - 1] = 0;
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dest_libc[SIZE - j - 1] = 0;
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res_libc = str_l_cat(dest_libc, to_cat, SIZE - v);
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res_ft = str_l_cat(dest_ft, to_cat, SIZE - v);
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int k;
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k = 0;
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while (k < SIZE && dest_libc[k] == dest_ft[k])
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k++;
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if (strcmp(dest_ft, dest_libc) != 0 || res_ft != res_libc
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|| k != SIZE)
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{
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printf("----------v[%d]-j[%d]---------\n", v, j);
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printf("libc: [%d]\t'%s'\n", res_libc ,dest_libc);
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printf(" ft : [%d]\t'%s'\n", res_ft, dest_ft);
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printf("[ERROR] byte %d is different: LIBC[%X] != FT[%X]\n\n",
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i,
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dest_libc[j], dest_ft[j]);
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printf(" ft :");
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for (int x = 0; x < SIZE; x++)
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printf("%02X", dest_ft[x]);
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printf("\n");
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printf("libc:");
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for (int x = 0; x < SIZE; x++)
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printf("%02X", dest_libc[x]);
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printf("\n");
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printf("\n");
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}
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free(dest_libc);
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free(dest_ft);
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}
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}
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R*/
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