64 lines
1.2 KiB
C
64 lines
1.2 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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char *strdup(const char *s);
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void my_strapp(char *src, char **dest){
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if (src == NULL || dest == NULL) return;
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if (*dest == NULL) return;
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//taille src
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int index = 0;
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while (*(src + index)) index ++;
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//taille desti
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int index_dest = 0;
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while (*(*dest + index_dest)) index_dest ++;
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//realloc des dest avec la taille de src
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char *new = realloc(*dest, (index + index_dest + 1) * sizeof(char)) ;
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//int *dest = realloc(*dest, index);
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if(new == NULL) return;
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*dest = new;
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index = 0;
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/*while(*(new + index_dest)){
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printf("%c", *(new + index_dest));
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index_dest ++;
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}
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printf("\n");
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//index_dest --;
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while(*(src + index)){
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*(new + (index_dest+ index)) = *(src + index);
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index ++;
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}*/
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while(*(src + index)){
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*(*dest + index_dest + index) = *(src + index);
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index ++;
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}
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*(*dest + index_dest + index) = '\0';
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}
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/*
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int main(){
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char *src = strdup("World!");
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char *dest = strdup("Hello, ");
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//char *dest = '\0';
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char **dest_ptr = &dest;
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my_strapp(src, dest_ptr); // Hello, World!
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printf("%s", *dest_ptr);
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free(src);
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free(dest);
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}*/
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