move input to separate file

src/console_line.c

@@ -21,6 +21,7 @@
 #include <sys/types.h>
 #include <unistd.h>
 #include "color.h"
+#include "console_line.h"
 
 /**
  * Get the logged in user's username.
@@ -57,3 +58,29 @@ void print_input_line() {
     printf(BRIGHT_CYAN "%s" MAGENTA "@" RED "localhost" MAGENTA ":" BLUE "%s" MAGENTA "$ " RESET, name, cwd);
     free(cwd);
 }
+
+char *get_console_input() {
+    size_t buffer_size = 0;
+    char *line = NULL;
+
+    if (getline(&line, &buffer_size, stdin) == -1) {
+        if (feof(stdin)) {
+            // the stdin was closed, this usually happens for CTRL-D
+            printf("\n");
+            if (line != NULL) {
+                free(line);
+                line = NULL;
+            }
+            exit(EXIT_SUCCESS);
+        }
+        else  {
+            perror("getline() error: ");
+            if (line != NULL) {
+                free(line);
+                line = NULL;
+            }
+            exit(EXIT_FAILURE);
+        }
+    }
+    return line;
+}

src/include/console_line.h

@@ -15,9 +15,13 @@
 
 #ifndef _MYSHELLIN_CONSOLE_LINE
 #define _MYSHELLIN_CONSOLE_LINE
+#define CONSOLE_BUFFER_SIZE 1024
+
 char *get_user();
 
 char *get_working_directory();
 
 void print_input_line();
+
+char *get_console_input();
 #endif

src/loop.c

@@ -33,30 +33,10 @@ void remove_new_line(char* line) {
  * This is the loop that checks for user input and acts on it.
  */
 void loop() {
-    size_t buffer_size = 0;
-    char *line = NULL;
-
     while (1) {
         print_input_line();
-        if (getline(&line, &buffer_size, stdin) == -1) {
-            if (feof(stdin)) {
-                // the stdin was closed, this usually happens for CTRL-D
-                printf("\n");
-                if (line != NULL) {
-                    free(line);
-                    line = NULL;
-                }
-                exit(EXIT_SUCCESS);
-            }
-            else  {
-                perror("getline() error: ");
-                if (line != NULL) {
-                    free(line);
-                    line = NULL;
-                }
-                exit(EXIT_FAILURE);
-            }
-        }
+
+        char *line = get_console_input();
 
         remove_new_line(line);