From 7522f3a6028ef771db2f4993dc979112648c7e79 Mon Sep 17 00:00:00 2001
From: Hedy Li <hedy@tilde.cafe>
Date: Tue, 28 Sep 2021 09:22:52 +0800
Subject: [PATCH] Remove trailing whitespaces

---
 src/main.c | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/src/main.c b/src/main.c
index 3ad05e9..9992ac0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -18,7 +18,7 @@ char *homedir; // HOME directory of current user
 pid_t shell_pid; // pid of current shell (gets only on start)
 pid_t pid; // FIXME: this shouldn't be global i think
 
-char **split_line(char *line, char *delim) { 
+char **split_line(char *line, char *delim) {
 	int bufsize = 64;
 	position = 0;
 	char **tokens = malloc(bufsize * sizeof(char*));
@@ -61,13 +61,13 @@ int execute(char **command, int status) {
 			wpid = waitpid(pid, &status, WUNTRACED); // FIXME: warning unused variable
 		} while (!WIFEXITED(status) && !WIFSIGNALED(status));
 	}
-	
-	if (status >= 256) 
+
+	if (status >= 256)
 		status = 1;
 	return status;
 }
 
-int parse_command(char **command, int status) { 	
+int parse_command(char **command, int status) {
 	int variable = 0;
 	int where_var[position - 1];
 	for (int i = 0; i <= position - 1; i++) { // Loop for checking if line has variable
@@ -88,7 +88,7 @@ int parse_command(char **command, int status) {
 					command[i] = status_string;
 				} else {
 					command[i] = getenv(command[i]);
-					if (command[i] == NULL) 
+					if (command[i] == NULL)
 						command[i] = "";
 				}
 			}
@@ -98,10 +98,10 @@ int parse_command(char **command, int status) {
 	if (command[0][strlen(command[0]) - 1] == ';'){ // FIXME: parse all word not only first
 		command[0][strlen(command[0])-1] = '\0';
 	} else if (command[0][0] == ';'){ // Check if command is ; or first char of command is ;
-		command[0][0] = '\0'; 
+		command[0][0] = '\0';
 	}
-	
-	if (status >= 256) 
+
+	if (status >= 256)
 		status = 1;
 
 	if (!strcmp(command[0], "exit")) { // FIXME: add switch statement (if possible)
@@ -120,17 +120,17 @@ int parse_command(char **command, int status) {
 			printf("orsh: cd: too many arguments\n");
 		} else {
 			chdir(command[1]);
-			getcwd(pwd, sizeof(pwd)); 
+			getcwd(pwd, sizeof(pwd));
 		}
 	} else if (!strcmp(command[0], "pwd")) {
-		printf("%s\n", pwd); 
+		printf("%s\n", pwd);
 	} else if (!strcmp(command[0], "!")) {
 		if (status != 0)
 			status = 0;
 		else if (status == 0)
 			status = 1;
 	} else {
-		status = execute(command, status); 
+		status = execute(command, status);
 	}
 	return status;
 }
@@ -163,9 +163,9 @@ void signal_handler(int sig) {
 		printf("\n");
 		print_ps();
 	} else if (shell_pid == getpid()) { // Do nothing because readline prints the prompt
-	} else  
+	} else
 		raise(sig);
-	
+
 }
 
 int main(int argc, char *argv[]) {
@@ -176,7 +176,7 @@ int main(int argc, char *argv[]) {
 	char** args;
 	int status = 0; // FIXME
 	int command_status = 0; // FIXME
-	signal(SIGINT, signal_handler); 
+	signal(SIGINT, signal_handler);
 	if (argc >= 2) {
 		FILE *script = fopen(argv[1], "r");
 		if (script == NULL) {
@@ -184,10 +184,10 @@ int main(int argc, char *argv[]) {
 			return 1;
 		}
 		while (fgets(script_line, 100, script) != NULL) {
-			args = split_line(script_line, " ");	
+			args = split_line(script_line, " ");
 			command_status = parse_command(args, command_status);
 		}
-			
+
 	} else {
 		while(1) {
 			line = readline("orsh> "); // FIXME: add prompt
@@ -195,11 +195,11 @@ int main(int argc, char *argv[]) {
 				printf("exit\n");
 				break;
 			}
-			commands = split_line(line, ";"); 
+			commands = split_line(line, ";");
 			int after_parse_position = position; // To know where we in ; list FIXME
 			for (int i = 0; i <= after_parse_position - 1; i++) {
 				args = split_line(commands[i], " ");
-	
+
 				command_status = parse_command(args, command_status);
 			}
 		}