stuff

02-TeenyTinyShell/ttsh.c

@@ -23,14 +23,16 @@
 int read_cmd_string(char dest[INPUT_MAX])
 {
     // Read user input
-	if(fgets(dest, INPUT_MAX, stdin) == NULL) {
+    if (fgets(dest, INPUT_MAX, stdin) == NULL)
+    {
         fprintf(stderr, "Unable to read user input\n");
         return -1;
     }
 
     // Remove trailing return character
     int len = strlen(dest);
-	if(dest[len-1] == '\n') {
+    if (dest[len - 1] == '\n')
+    {
         dest[len - 1] = '\0';
     }
 
@@ -49,8 +51,10 @@ int parse_commands(char input[INPUT_MAX], char cmd_strs[CMD_MAX][INPUT_MAX])
     // Chop the input into command strings
     int cmd_count = 0;
     char *cmd_ptr = strtok(input, ";");
-	while(cmd_ptr) {
-		if(cmd_count >= CMD_MAX) {
+    while (cmd_ptr)
+    {
+        if (cmd_count >= CMD_MAX)
+        {
             fprintf(stderr, "Too many commands\n");
             return -1;
         }
@@ -74,7 +78,8 @@ int main()
     printf("$> ");
 
     // Read user input
-	if(read_cmd_string(user_input) == -1) {
+    if (read_cmd_string(user_input) == -1)
+    {
         return 1;
     }
 
@@ -82,12 +87,14 @@ int main()
 
     // Chop the input into command strings
     int cmd_count = parse_commands(user_input, cmd_strs);
-	if(cmd_count == -1) {
+    if (cmd_count == -1)
+    {
         return 1;
     }
 
     // Chop the commands into arguments and execute one at a time
-	for(int i = 0; i < cmd_count; i++) {
+    for (int i = 0; i < cmd_count; i++)
+    {
 
         // TODO:
         //    1) Chop the command into command line arguments
@@ -95,7 +102,6 @@ int main()
         //        NOTE: the command name is always the first argument
         //    2) fork a process
         //    3) execute the command with execvp
-
     }
 
     return 0;