92 lines
1.9 KiB
C
92 lines
1.9 KiB
C
|
#include<stdlib.h>
|
||
|
|
#include<stdio.h>
|
||
|
|
#include<ctype.h>
|
||
|
|
|
||
|
|
#define CHAINE_ALLOC_INCREMENT 8
|
||
|
|
|
||
|
|
// 3.1
|
||
|
|
typedef struct {
|
||
|
|
char* data;
|
||
|
|
int alloc;
|
||
|
|
int size;
|
||
|
|
} Chaine;
|
||
|
|
|
||
|
|
// 3.2
|
||
|
|
void init_chaine(Chaine* chaine) {
|
||
|
|
chaine->data = NULL;
|
||
|
|
chaine->alloc = 0;
|
||
|
|
chaine->size = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
// 3.3
|
||
|
|
void clean_chaine(Chaine* chaine) {
|
||
|
|
free(chaine->data);
|
||
|
|
// On remet tout à zéro au cas où quelqu'un veuille réutiliser la chaine
|
||
|
|
// qu'il n'essaye pas d'accéder à des emplacement mémoire inexistants
|
||
|
|
init_chaine(chaine);
|
||
|
|
}
|
||
|
|
|
||
|
|
// 3.4
|
||
|
|
void print_chaine(Chaine* chaine) {
|
||
|
|
int i;
|
||
|
|
for (i = 0; i < chaine->size; i++) {
|
||
|
|
putchar(chaine->data[i]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// 3.5
|
||
|
|
void concat_chaine_char(Chaine* chaine, char c) {
|
||
|
|
chaine->size++;
|
||
|
|
if (chaine->size > chaine->alloc) {
|
||
|
|
chaine->alloc += CHAINE_ALLOC_INCREMENT;
|
||
|
|
chaine->data = realloc(chaine->data, chaine->alloc * sizeof(char));
|
||
|
|
}
|
||
|
|
chaine->data[chaine->size-1] = c;
|
||
|
|
}
|
||
|
|
|
||
|
|
// 3.7
|
||
|
|
void concat_chaine_chaine(Chaine* ch1, Chaine* ch2) {
|
||
|
|
if (ch1->size + ch2->size > ch1->alloc) {
|
||
|
|
ch1->alloc = ch1->size + ch2->size;
|
||
|
|
ch1->data = realloc(ch1->data, ch1->alloc * sizeof(char));
|
||
|
|
}
|
||
|
|
int i;
|
||
|
|
for (i = 0; i < ch2->size; i++) {
|
||
|
|
ch1->data[ch1->size+i] = ch2->data[i];
|
||
|
|
}
|
||
|
|
ch1->size += ch2->size;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Remarque : Ici le '\0' n'est pas géré, et on a size <= alloc
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
// 3.6
|
||
|
|
Chaine chaine;
|
||
|
|
init_chaine(&chaine);
|
||
|
|
char c;
|
||
|
|
c = getchar();
|
||
|
|
while (! isspace(c)) {
|
||
|
|
concat_chaine_char(&chaine, c);
|
||
|
|
c = getchar();
|
||
|
|
}
|
||
|
|
print_chaine(&chaine);
|
||
|
|
putchar('\n');
|
||
|
|
|
||
|
|
// 3.7
|
||
|
|
Chaine chaine2;
|
||
|
|
init_chaine(&chaine2);
|
||
|
|
c = getchar();
|
||
|
|
while (! isspace(c)) {
|
||
|
|
concat_chaine_char(&chaine2, c);
|
||
|
|
c = getchar();
|
||
|
|
}
|
||
|
|
concat_chaine_chaine(&chaine, &chaine2);
|
||
|
|
print_chaine(&chaine);
|
||
|
|
putchar('\n');
|
||
|
|
|
||
|
|
clean_chaine(&chaine);
|
||
|
|
clean_chaine(&chaine2);
|
||
|
|
return EXIT_SUCCESS;
|
||
|
|
}
|
||
|
|
|