#include <stdio.h>
#include <string.h>
#include "cpu.h"

int cpu(void) {
    FILE* file = fopen("/proc/cpuinfo", "r");

    //check file existence
    if (!file) {
	perror("/proc/cpuinfo not found");
	return 1;
    }

    char line[256];
    char *model_name = NULL;
    
    //read per line
    while (fgets(line, sizeof(line), file)) {
	char* p = strstr(line, "model name");

	if (p != NULL) {
	    model_name = strchr(p, ':') + 1; //skip :
	    break;
	}
    }


    if (model_name != NULL) {
	printf("CPU: %s\n", model_name);
    } else {
	printf("CPU: Error model_name not found.\n");
    }

    fclose(file);
    return 0;
}