😄

A2/fhistogram.c

@@ -21,73 +21,73 @@
 int global_histogram[8] = { 0 };
 
 int fhistogram(char const *path) {
-  FILE *f = fopen(path, "r");
+    FILE *f = fopen(path, "r");
 
-  int local_histogram[8] = { 0 };
+    int local_histogram[8] = { 0 };
 
-  if (f == NULL) {
-    fflush(stdout);
-    warn("failed to open %s", path);
-    return -1;
-  }
-
-  int i = 0;
-
-  char c;
-  while (fread(&c, sizeof(c), 1, f) == 1) {
-    i++;
-    update_histogram(local_histogram, c);
-    if ((i % 100000) == 0) {
-      merge_histogram(local_histogram, global_histogram);
-      print_histogram(global_histogram);
+    if (f == NULL) {
+        fflush(stdout);
+        warn("failed to open %s", path);
+        return -1;
     }
-  }
 
-  fclose(f);
+    int i = 0;
 
-  merge_histogram(local_histogram, global_histogram);
-  print_histogram(global_histogram);
+    char c;
+    while (fread(&c, sizeof(c), 1, f) == 1) {
+        i++;
+        update_histogram(local_histogram, c);
+        if ((i % 100000) == 0) {
+            merge_histogram(local_histogram, global_histogram);
+            print_histogram(global_histogram);
+        }
+    }
 
-  return 0;
+    fclose(f);
+
+    merge_histogram(local_histogram, global_histogram);
+    print_histogram(global_histogram);
+
+    return 0;
 }
 
 int main(int argc, char * const *argv) {
-  if (argc < 2) {
-    err(1, "usage: paths...");
-    exit(1);
-  }
-
-  char * const *paths = &argv[1];
-
-  // FTS_LOGICAL = follow symbolic links
-  // FTS_NOCHDIR = do not change the working directory of the process
-  //
-  // (These are not particularly important distinctions for our simple
-  // uses.)
-  int fts_options = FTS_LOGICAL | FTS_NOCHDIR;
-
-  FTS *ftsp;
-  if ((ftsp = fts_open(paths, fts_options, NULL)) == NULL) {
-    err(1, "fts_open() failed");
-    return -1;
-  }
-
-  FTSENT *p;
-  while ((p = fts_read(ftsp)) != NULL) {
-    switch (p->fts_info) {
-    case FTS_D:
-      break;
-    case FTS_F:
-      fhistogram(p->fts_path);
-      break;
-    default:
-      break;
+    if (argc < 2) {
+        err(1, "usage: paths...");
+        exit(1);
     }
-  }
 
-  fts_close(ftsp);
+    char * const *paths = &argv[1];
 
-  move_lines(9);
+    // FTS_LOGICAL = follow symbolic links
+    // FTS_NOCHDIR = do not change the working directory of the process
+    //
+    // (These are not particularly important distinctions for our simple
+    // uses.)
+    int fts_options = FTS_LOGICAL | FTS_NOCHDIR;
 
-  return 0;
+    FTS *ftsp;
+    if ((ftsp = fts_open(paths, fts_options, NULL)) == NULL) {
+        err(1, "fts_open() failed");
+        return -1;
+    }
+
+    FTSENT *p;
+    while ((p = fts_read(ftsp)) != NULL) {
+        switch (p->fts_info) {
+        case FTS_D:
+            break;
+        case FTS_F:
+            fhistogram(p->fts_path);
+            break;
+        default:
+            break;
+        }
+    }
+
+    fts_close(ftsp);
+
+    move_lines(9);
+
+    return 0;
 }