fix code format and indentation

anagram.c

@@ -19,77 +19,78 @@ int
 main(int argc, char *argv[])
 {
     if (argc != 2) {
-    printf("Expected filename argument.\n");
-    exit(1);
+        printf("Expected filename argument.\n");
+        exit(1);
     }
 
     FILE *fp = fopen(argv[1], "r");
     if (!fp) {
-    printf("Unable to open file '%s'.\n", argv[1]);
-    exit(1);
+        printf("Unable to open file '%s'.\n", argv[1]);
+        exit(1);
     }
 
     rb_tree *tree = rb_tree_new(dict_str_cmp);
 
     char buf[512];
     while (fgets(buf, sizeof(buf), fp)) {
-    if (isupper(buf[0]))    /* Disregard proper nouns. */
-        continue;
+        if (isupper(buf[0]))    /* Disregard proper nouns. */
+            continue;
 
-    strtok(buf, "\r\n");
-    int freq[256] = { 0 };
-    memset(freq, 0, sizeof(freq));
+        strtok(buf, "\r\n");
+        int freq[256] = { 0 };
+        memset(freq, 0, sizeof(freq));
 
-    ASSERT(buf[0] != '\0');
+        ASSERT(buf[0] != '\0');
 
-    for (char *p = buf; *p; p++)
-        freq[tolower(*p)]++;
+        for (char *p = buf; *p; p++)
+            freq[tolower(*p)]++;
 
-    char name[1024];
-    char *p = name;
-    for (int i=1; i<256; i++) {
-        if (freq[i]) {
-        ASSERT(freq[i] < 10);
+        char name[1024];
+        char *p = name;
+        for (int i=1; i<256; i++) {
+            if (freq[i]) {
+                ASSERT(freq[i] < 10);
 
-        *p++ = (char) i;
-        *p++ = '0' + (char) freq[i];
+                *p++ = (char) i;
+                *p++ = '0' + (char) freq[i];
+            }
         }
-    }
-    *p = 0;
+        *p = 0;
 
-    WordList* word = xmalloc(sizeof(*word));
-    word->word = xstrdup(buf);
-    WordList** wordp = (WordList**) rb_tree_insert(tree, xstrdup(name)).datum_ptr;
-    word->next = *wordp;
-    *wordp = word;
+        WordList* word = xmalloc(sizeof(*word));
+        word->word = xstrdup(buf);
+        WordList** wordp = (WordList**) rb_tree_insert(tree, xstrdup(name)).datum_ptr;
+        word->next = *wordp;
+        *wordp = word;
     }
 
     rb_itor *itor = rb_itor_new(tree);
     for (rb_itor_first(itor); rb_itor_valid(itor); rb_itor_next(itor)) {
-    WordList *word = *rb_itor_datum(itor);
-    ASSERT(word != NULL);
-    if (word->next) {
-        int count = 1;
-        for (; word->next; count++)
-        word = word->next;
-        printf("%2d:[", count);
+        WordList *word = *rb_itor_datum(itor);
+        ASSERT(word != NULL);
+        if (word->next) {
+            int count = 1;
+            for (; word->next; count++)
+                word = word->next;
+            printf("%2d:[", count);
+            word = *rb_itor_datum(itor);
+            while (word) {
+                printf("%s%c", word->word, word->next ? ',' : ']');
+                word = word->next;
+            }
+            printf("\n");
+        }
         word = *rb_itor_datum(itor);
         while (word) {
-        printf("%s%c", word->word, word->next ? ',' : ']');
-        word = word->next;
+            WordList *next = word->next;
+            free(word->word);
+            free(word);
+            word = next;
         }
-        printf("\n");
-    }
-    word = *rb_itor_datum(itor);
-    while (word) {
-        WordList *next = word->next;
-        free(word->word);
-        free(word);
-        word = next;
-    }
     } while (rb_itor_next(itor));
     rb_itor_free(itor);
     rb_tree_free(tree, NULL);
+    fclose(fp);
 
     return 0;
 }