3 files changed, 8 insertions, 6 deletions
diff --git a/src/modules/memory/memory.c b/src/modules/memory/memory.c
index 211cf44..62eeafe 100644
--- a/src/modules/memory/memory.c
+++ b/src/modules/memory/memory.c
@@ -1,12 +1,12 @@
 #include <stdio.h>
 #include "memory.h"
 
-int memory(void) {
+char *memory(void) {
     FILE *file = fopen("/proc/meminfo", "r");
 
     if (!file) {
 	perror("Error fopen meminfo");
-	return 1;
+	return NULL;
     }
 
     char line[256];
diff --git a/src/modules/memory/memory.h b/src/modules/memory/memory.h
index f963702..5c35178 100644
--- a/src/modules/memory/memory.h
+++ b/src/modules/memory/memory.h
@@ -1,6 +1,6 @@
 #ifndef MEMORY_H
 #define MEMORY_H
 
-int memory(void);
+char *memory(void);
 
 #endif // MEMORY_H
diff --git a/src/modules/os/os.c b/src/modules/os/os.c
index cdf6e6e..6059c03 100644
--- a/src/modules/os/os.c
+++ b/src/modules/os/os.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <string.h>
 #include <sys/utsname.h>
 #include "os.h"
 
@@ -7,10 +8,11 @@ int os(void) {
     struct utsname u;
 
     if (uname(&u) == 0) {
-	printf("OS: %s %s ", u.sysname, u.release);
-	printf("%s %s\n", u.version, u.machine);
+	size_t length = printf("OS: %s %s %s %s\n", u.sysname, u.release, u.version, u.machine);
+	printf("line length: %ld\n", length);
     } else {
-	perror("uname");
+	perror("Error while accessing uname");
+	return 1;
     }
 #endif
     return 0;