😄

A2/fauxgrep.c

@@ -16,67 +16,67 @@
 #include <err.h>
 
 int fauxgrep_file(char const *needle, char const *path) {
-  FILE *f = fopen(path, "r");
+    FILE *f = fopen(path, "r");
 
-  if (f == NULL) {
-    warn("failed to open %s", path);
-    return -1;
-  }
-
-  char *line = NULL;
-  size_t linelen = 0;
-  int lineno = 1;
-
-  while (getline(&line, &linelen, f) != -1) {
-    if (strstr(line, needle) != NULL) {
-      printf("%s:%d: %s", path, lineno, line);
+    if (f == NULL) {
+        warn("failed to open %s", path);
+        return -1;
     }
 
-    lineno++;
-  }
+    char *line = NULL;
+    size_t linelen = 0;
+    int lineno = 1;
 
-  free(line);
-  fclose(f);
+    while (getline(&line, &linelen, f) != -1) {
+        if (strstr(line, needle) != NULL) {
+            printf("%s:%d: %s", path, lineno, line);
+        }
 
-  return 0;
+        lineno++;
+    }
+
+    free(line);
+    fclose(f);
+
+    return 0;
 }
 
 int main(int argc, char * const *argv) {
-  if (argc < 2) {
-    err(1, "usage: STRING paths...");
-    exit(1);
-  }
-
-  char const *needle = argv[1];
-  char * const *paths = &argv[2];
-
-  // 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:
-      fauxgrep_file(needle, p->fts_path);
-      break;
-    default:
-      break;
+    if (argc < 2) {
+        err(1, "usage: STRING paths...");
+        exit(1);
     }
-  }
 
-  fts_close(ftsp);
+    char const *needle = argv[1];
+    char * const *paths = &argv[2];
 
-  return 0;
+    // 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:
+            fauxgrep_file(needle, p->fts_path);
+            break;
+        default:
+            break;
+        }
+    }
+
+    fts_close(ftsp);
+
+    return 0;
 }