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fixed pointer issue

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danemacfadden
2025-07-15 12:08:37 -06:00
parent eac0c934dc
commit 5b4ad86b26
1 changed files with 10 additions and 5 deletions
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main.c
+9 -4
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@@ -27,11 +27,13 @@ int sockfd, confd;
void *input(void *arg) { void *input(void *arg) {
char msg[30]; char msg[30];
char *copy = malloc(31);
while (1) { while (1) {
printf("Type a message: "); printf("Type a message: ");
fgets(msg, sizeof(msg), stdin); fgets(msg, sizeof(msg), stdin);
strcpy(copy, msg);
pthread_mutex_lock(&sendmut); pthread_mutex_lock(&sendmut);
ListAppend(sendlist, &msg); ListAppend(sendlist, copy);
pthread_mutex_unlock(&sendmut); pthread_mutex_unlock(&sendmut);
} }
return 0; return 0;
@@ -57,11 +59,14 @@ void *sender(void *arg) {
void *receiver(void *arg) { void *receiver(void *arg) {
char msg[30]; char msg[30];
char *copy = malloc(31);
while (1) { while (1) {
recv(sockfd, msg, 30, 0); recv(sockfd, msg, 30, 0);
pthread_mutex_lock(&receivemut); if (msg[0] != '\n' && msg[0] != '\0') {
ListAppend(receivelist, msg); pthread_mutex_lock(&receivemut);
pthread_mutex_unlock(&receivemut); ListAppend(receivelist, msg);
pthread_mutex_unlock(&receivemut);
}
} }
return 0; return 0;
} }