[bugfix] removed double definition of structs

source/lib.c

@@ -13,6 +13,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <sys/types.h>
+#include <string.h>
 #include "types.h"
 #include "lib.h"
 
@@ -40,11 +41,6 @@ void device_os_version();
 void device_hostname();
 void device_model();
 
-cpu_s *u_cpu ;
-ram_s *u_ram ;
-disk_s *u_disk ;
-device_s *u_device ;
-
 #ifdef __gnu_linux__
 
 #include <sys/sysinfo.h>
@@ -183,48 +179,51 @@ void device_mdoel() {
 
 void cpu_name() {
 
-  char *name;
+  char *name = NULL;
   size_t len = 0;
 
-  if (sysctlbyname("machdep.cpu.brand_string", NULL, &len, NULL, 0) < 0)
-    perror("errorn in assigning the size for the cpu name variable\n");
+  if (sysctlbyname("machdep.cpu.brand_string", NULL, &len, NULL, 0) < 0){
+
+    perror("error in assigning the size for the cpu name variable\n");
+    return;
+  }
 
   name = malloc(len);
 
+  if (name == NULL) {
+    perror("malloc failed"); 
+    return;
+  }
+
   if(sysctlbyname("machdep.cpu.brand_string", name, &len, NULL, 0) < 0){
     perror("error in assigning the value to the cpu name variable\n");
-
     free(name);
     return;
   }
 
   u_cpu->name = name;
-  return;
 }
 
 void cpu_threads() {
 
   int count;
   size_t len = sizeof(count);
-  if (sysctlbyname("machdep.cpu.thread_count", &count, &len, NULL, 0) < 0)
+  if (sysctlbyname("machdep.cpu.thread_count", &count, &len, NULL, 0) < 0){
     perror("error in retrieving the cpu threads count\n");
+    return;
+  }
 
   u_cpu->threads = count;
-  return;
 }
 
 void cpu_frequency() {
-  uint64_t freq = 0;
-  size_t size = sizeof(freq);
+  // assigning a value of 0, value not available on macos
+  u_cpu->frequency = 0;
 
-  if (sysctlbyname("hw.cpufrequency", &freq, &size, NULL, 0) < 0)
-  {
-    perror("sysctl");
-  }
-  return;
 }
 
 void cpu_temperature() {
+  // assigning a value of 0, value not available on macos
   u_cpu->temperature = 0;
 }
 
@@ -248,13 +247,11 @@ void mem_av_size() {
 
 void get_total() {
   
-
 }
 
 void get_usage() {
 
 
-
 }
 
 void device_hostname(){
@@ -306,13 +303,12 @@ void device_model(){
   }
 
   u_device->name = model_name;
-  return;
 
 }
 
 void device_os_version() {
 
-  char *os_version;
+  char *os_version = NULL;
   size_t size = 0;
 
   if (sysctlbyname("kern.ostype", NULL, &size, NULL, 0) < 0)
@@ -327,9 +323,6 @@ void device_os_version() {
   }
 
   u_device->os_version = os_version;
-  return;
-
-
 }
 
 #endif

source/main.c

@@ -11,24 +11,27 @@ device_s *u_device;
 
 void init() {
 
+  u_cpu = malloc( sizeof(cpu_s) );
+  u_ram = malloc(sizeof(ram_s));
+  u_disk = malloc(sizeof(disk_s));
+  u_device = malloc(sizeof(device_s));
+
   cpu_name();
   cpu_frequency();
   cpu_threads();
   cpu_temperature();
+
   mem_size();
   mem_av_size();
+
   get_total();
   get_usage();
+
   device_os_version();
   device_model();
   device_up_time();
   device_model();
 
-  u_cpu = malloc(sizeof(cpu_s));
-  u_ram = malloc(sizeof(disk_s));
-  u_disk = malloc(sizeof(disk_s));
-  u_cpu = malloc(sizeof(device_s));
-
 }
 
 void end() {
@@ -44,8 +47,20 @@ int main() {
 
   init();
 
-  printf("%d\n%s\n%s\n%d\n", u_cpu->temperature, u_cpu->frequency, u_cpu->name, u_cpu->threads);
-  printf("%s\n%s\n%s\n%d", u_device->name, u_device->hostname, u_device->os_version, u_device->uptime);
+  printf("temperature: %d\nfrequency: %s\nname: %s\nthreads: %d\n", u_cpu->temperature, u_cpu->frequency, u_cpu->name, u_cpu->threads);
+  printf("total: %ld\navailable: %ld\n", u_ram->total, u_ram->available);
+  printf("device name:%s\ndevice hostname:%s\nos version: %s\nuptime: %d\n", u_device->name, u_device->hostname, u_device->os_version, u_device->uptime);
+
+  while(1) {
+
+    char *input = malloc(sizeof(char *));
+
+    if(scanf("%s\n", input)) {
+
+
+    }
+  }
+
   end();
   return 0;
 }

source/types.h

@@ -11,13 +11,13 @@ typedef struct {
 } cpu_s;
 
 typedef struct {
-  unsigned long total;
-  unsigned long available;
+  long int total;
+  long int available;
 } ram_s;
 
 typedef struct {
-  long long size;
-  short name;
+  long size;
+  char *name;
 } disk_s;
 
 typedef struct {