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Something strange with server

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This commit is contained in:
Anton Dolozin 2025-10-06 14:36:18 +02:00
parent 83e0ac56af
commit 1a8ad13b45
1 changed files with 35 additions and 33 deletions
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38
du3/program.c
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@ -27,20 +27,22 @@ void print_stack(struct stack* stack){
printf("\n"); printf("\n");
} }
void process_operations(struct stack* stack){
void process_operations(struct stack* stack) {
char line[STACK_SIZE]; char line[STACK_SIZE];
int could_read = 0; int could_read = 0;
while(fgets(line, sizeof(line), stdin)){ while (fgets(line, sizeof(line), stdin)) {
line[strcspn(line, "\n")] = '\0'; line[strcspn(line, "\n")] = '\0';
if(line[0] == '\0'){ if (line[0] == '\0') {
printf("no input\n"); printf("no input\n");
return; return;
} }
could_read = 1; could_read= 1;
if ((strcmp(line, "+") == 0 || strcmp(line, "-") == 0 || strcmp(line, "*") == 0 || strcmp(line, "/") == 0) if ((strcmp(line, "+") == 0 || strcmp(line, "-") == 0 ||
&& stack->size >= 2){ strcmp(line, "*") == 0 || strcmp(line, "/") == 0)) {
if (stack->size >= 2) {
float b = pop_stack(stack); float b = pop_stack(stack);
float a = pop_stack(stack); float a = pop_stack(stack);
float res = (line[0] == '+') ? a + b : float res = (line[0] == '+') ? a + b :
@ -49,26 +51,26 @@ void process_operations(struct stack* stack){
(line[0] == '/') ? a / b : 0; (line[0] == '/') ? a / b : 0;
push_stack(stack, res); push_stack(stack, res);
print_stack(stack); print_stack(stack);
} } else {
else if ((strcmp(line, "+") == 0 || strcmp(line, "-") == 0 || strcmp(line, "*") == 0 || strcmp(line, "/") == 0) printf("bad input\n");
&& stack->size <2){
printf("no input\n");
return; return;
} }
} else {
else{
char *endptr; char *endptr;
float val = strtof(line, &endptr); float val = strtof(line, &endptr);
if (endptr == line) {
printf("bad input\n");
return;
}
push_stack(stack, val); push_stack(stack, val);
print_stack(stack); print_stack(stack);
}
}
if (!could_read) {
} }
if (!could_read){
printf("no input\n"); printf("no input\n");
} } }
}
int main(void){ int main(void){
memset(&mystack,0,sizeof(struct stack)); memset(&mystack,0,sizeof(struct stack));
process_operations(&mystack); process_operations(&mystack);