tabs -> spaces

1 files changed, 108 insertions, 108 deletions

diff --git a/main.c b/main.c
index ae9910b..6173f26 100644
--- a/main.c
+++ b/main.c
@@ -4,142 +4,142 @@
 #include <string.h>
 
 struct student {
-	char *name;
-	struct list_elem elem;
+    char *name;
+    struct list_elem elem;
 };
 
 // Read a line from stdin, strip the eventual newline and return a pointer
 // to the string. Remember to free the pointer.
 char *read_input() {
-	char *buf = NULL;
-	size_t buf_size = 0;
-	size_t read = getline(&buf, &buf_size, stdin);
-	if (read == -1) {
-		free(buf);
-		buf = NULL;
-	} else if (read >= 1 && buf[read - 1] == '\n') {
-		buf[read - 1] = '\0';
-	}
-	return buf;
+    char *buf = NULL;
+    size_t buf_size = 0;
+    size_t read = getline(&buf, &buf_size, stdin);
+    if (read == -1) {
+        free(buf);
+        buf = NULL;
+    } else if (read >= 1 && buf[read - 1] == '\n') {
+        buf[read - 1] = '\0';
+    }
+    return buf;
 }
 
 int read_int() {
-	char *buf = read_input();
-	int res = -1;
-	if (!buf) {
-		printf("Failed to read int from stdin\n");
-	} else {
-		res = atoi(buf);
-	}
-	free(buf);
-	return res;
+    char *buf = read_input();
+    int res = -1;
+    if (!buf) {
+        printf("Failed to read int from stdin\n");
+    } else {
+        res = atoi(buf);
+    }
+    free(buf);
+    return res;
 }
 
 // Fetch a student name from the terminal input and add it to the list.
 void insert(struct list *student_list) {
-	struct student *student = malloc(sizeof(struct student));
-	char *name = read_input();
-	if (!name) {
-		printf("Failed to read student name\n");
-		free(student);
-	} else {
-		student->name = name;
-		printf("Inserted student with name '%s'\n", student->name);
-		list_push_front(student_list, &student->elem);
-	}
+    struct student *student = malloc(sizeof(struct student));
+    char *name = read_input();
+    if (!name) {
+        printf("Failed to read student name\n");
+        free(student);
+    } else {
+        student->name = name;
+        printf("Inserted student with name '%s'\n", student->name);
+        list_push_front(student_list, &student->elem);
+    }
 }
 
 // Get a student name from the terminal input, remove it from the list and
 // deallocate the appropriate memory (if needed).
 void delete(struct list *student_list) {
-	char *name = read_input();
-	if (!name) {
-		printf("Failed to read student name\n");
-	} else {
-		struct list_elem *e;
-		for (e = list_begin(student_list); e != list_end(student_list);
-			 e = list_next(e))
-		{
-			struct student *student = list_entry(e, struct student, elem);
-			if (strcmp(student->name, name) == 0) {
-				printf("Removing student '%s'\n", student->name);
-				list_remove(&student->elem);
-				free(student->name);
-				free(student);
-				break;
-			}
-		}
-	}
-	free(name);
+    char *name = read_input();
+    if (!name) {
+        printf("Failed to read student name\n");
+    } else {
+        struct list_elem *e;
+        for (e = list_begin(student_list); e != list_end(student_list);
+                e = list_next(e))
+        {
+            struct student *student = list_entry(e, struct student, elem);
+            if (strcmp(student->name, name) == 0) {
+                printf("Removing student '%s'\n", student->name);
+                list_remove(&student->elem);
+                free(student->name);
+                free(student);
+                break;
+            }
+        }
+    }
+    free(name);
 }
 
 // Print the entire list.
 void list(struct list *student_list) {
-	struct list_elem *e;
-	for (e = list_begin(student_list); e != list_end(student_list);
-		 e = list_next(e))
-	{
-		struct student *student = list_entry(e, struct student, elem);
-		printf("Student: %s\n", student->name);
-	}
+    struct list_elem *e;
+    for (e = list_begin(student_list); e != list_end(student_list);
+            e = list_next(e))
+    {
+        struct student *student = list_entry(e, struct student, elem);
+        printf("Student: %s\n", student->name);
+    }
 }
 
 // Clear the list and deallocate the memory.
 void quit(struct list *student_list) {
-	struct list_elem *e;
-	struct student *student;
-	while (!list_empty(student_list)) {
-		e = list_pop_front(student_list);
-		student = list_entry(e, struct student, elem);
-		printf("Removing '%s'\n", student->name);
-		free(student->name);
-		free(student);
-	}
-	exit(0);
+    struct list_elem *e;
+    struct student *student;
+    while (!list_empty(student_list)) {
+        e = list_pop_front(student_list);
+        student = list_entry(e, struct student, elem);
+        printf("Removing '%s'\n", student->name);
+        free(student->name);
+        free(student);
+    }
+    exit(0);
 }
 
 int main() {
-	struct list student_list;
-	list_init(&student_list);
-	int opt;
+    struct list student_list;
+    list_init(&student_list);
+    int opt;
 
-	do {
-		printf("Menu:\n");
-		printf("1 - Insert student\n");
-		printf("2 - Delete student\n");
-		printf("3 - List students\n");
-		printf("4 - Exit\n");
-		switch (read_int()) {
-			case 1:
-				{
-					insert(&student_list);
-					break;
-				}
-			case 2:
-				{
-					delete(&student_list);
-					break;
-				}
-			case 3:
-				{
-					list(&student_list);
-					break;
-				}
+    do {
+        printf("Menu:\n");
+        printf("1 - Insert student\n");
+        printf("2 - Delete student\n");
+        printf("3 - List students\n");
+        printf("4 - Exit\n");
+        switch (read_int()) {
+            case 1:
+                {
+                    insert(&student_list);
+                    break;
+                }
+            case 2:
+                {
+                    delete(&student_list);
+                    break;
+                }
+            case 3:
+                {
+                    list(&student_list);
+                    break;
+                }
 
-			case 4:
-				{
-					quit(&student_list);
-					break;
-				}
-			default:
-				{
-					printf("Quit? (1/0):\n");
-					if (read_int())
-						quit(&student_list);
-					break;
-				}
-		}
-	} while(1);
-		
-	return 0;
+            case 4:
+                {
+                    quit(&student_list);
+                    break;
+                }
+            default:
+                {
+                    printf("Quit? (1/0):\n");
+                    if (read_int())
+                        quit(&student_list);
+                    break;
+                }
+        }
+    } while(1);
+
+    return 0;
 }