From ff138532105db5b967286c264fb1e69efe070cfa Mon Sep 17 00:00:00 2001
From: thib <tempo2riz@gmail.com>
Date: Wed, 10 Mar 2021 14:39:48 +0100
Subject: [PATCH] answers
---
calculator/ANSWERS.md | 60 ++++++-------------------------------------
1 file changed, 8 insertions(+), 52 deletions(-)
diff --git a/calculator/ANSWERS.md b/calculator/ANSWERS.md
index f04cd81..b5b45bb 100644
--- a/calculator/ANSWERS.md
+++ b/calculator/ANSWERS.md
@@ -1,54 +1,10 @@
-<!-- EX2 -->
-void foo(int a) {
- a += 3;
-}
-<!-- a=5 -->
-void bar(int *a) {
- *a += 3;
-}
-<!-- a=8 -->
-void baz(int *a) {
- a += 3;
-}
-<!-- adresse de a +3 p.e erreur-->
-int main() {
- int a = 5;
- foo(a);
- bar(&a);
- baz(&a);
-}
-<!-- EX 2 -->
-char *foo(int a) {
- char tab[a];
- <!-- manque un malloc sinon le return ne marchera pas (adresse invalide en dehors de la fonction) -->
- for (int i = 0; i < a; ++i) {
- tab[i] = 'a';
- }
- return tab;
-}
+ex 1:
+1. copie a reste 5
+2. valeur de a + 3
+3. adresse de a + 3 possible erreur
-char *bar(int a) {
- char *tab = malloc(a);
- for (int i = 0; i < a; ++i) {
- tab[i] = 'a';
- }
- return tab;
-}
-
-void baz(char *tab, int b) {
- tab = malloc(b);
- for (int i = 0; i < a; ++i) {
- tab[i] = 'a';
- }
-}
-
-int main() {
- char *a = foo(4); <!-- a=[a,a,a,a] -->
- char *b = bar(4);
- char *c = malloc(4);
- baz(c, 4);
- free(a);
- free(b);
- free(c);
-}
+ex 2:
+1. manque un malloc sinon le return ne marchera pas (adresse invalide en dehors de la fonction)
+2. corriger : malloc(sizeof(char)*a) a=[a,a,a,a]
+3. malloc 1 fois en trop
--
GitLab