From 6d69c4a2deaeddfa14eee2a9e4cafeecedfa5a66 Mon Sep 17 00:00:00 2001
From: Lieuwe Rooijakkers <lieuwerooijakkers@gmail.com>
Date: Sun, 4 Aug 2024 23:40:30 +0200
Subject: hoofd: use loop_files

---
 src/hoofd.c | 42 ++++++++----------------------------------
 1 file changed, 8 insertions(+), 34 deletions(-)

diff --git a/src/hoofd.c b/src/hoofd.c
index c02d166..ffb5563 100644
--- a/src/hoofd.c
+++ b/src/hoofd.c
@@ -7,12 +7,12 @@
 
 #include "util/debug.h"
 #include "util/error.h"
-#include "util/loop_args.h"
+#include "util/loop_files.h"
 #include "util/versie.h"
 
 #include "io/read_file.h"
 
-int n, c;
+static int gn, gc;
 
 static void usage(FILE *f) {
   fprintf(f,
@@ -62,7 +62,9 @@ static char** parse_options(int argc, char **argv, int *n, int *c) {
 // TODO: be smarter, hoofd doesn't have to read the whole file in memory (for
 // unmappable files)
 
-static void process(struct filebuf *fb, int n, int c) {
+static int process(struct filebuf *fb, char*, bool) {
+  int n = gn, c = gc;
+
   size_t i;
   for (i = 0; i < fb->sz && (n > 0 || n == -1) && (c > 0 || c == -1); i++) {
     if (fb->buf[i] == '\n') {
@@ -73,40 +75,12 @@ static void process(struct filebuf *fb, int n, int c) {
   fwrite(fb->buf, 1, i, stdout);
 
   free_filebuf(fb);
-}
-
-static int handle(char *arg, bool isstdin) {
-  struct filebuf *fb = NULL;
-
-  if (isstdin) {
-    fb = stream_to_filebuf(stdin, 0);
-    if (fb == NULL) goto err_stdin;
-  } else {
-    bool isdir = false;
-    fb = file_to_filebuf(arg, 0, &isdir);
-    if (isdir) goto err_isdir;
-    else if (fb == NULL) goto err_file;
-  }
 
-  process(fb, n, c);
   return 0;
-
-err_stdin:
-  fprintf(stderr, "hoofd: fout bij lezen van standaard invoer\n");
-  return 1;
-
-err_file:
-  fprintf(stderr, "hoofd: fout bij lezen van bestand\n");
-  return 1;
-
-err_isdir:
-  fprintf(stderr, "hoofd: bestand '%s' is een mapje\n", arg);
-  return -1;
 }
 
 int entry_hoofd(int argc, char **argv) {
-  n = 10;
-  c = -1;
-  char **args = parse_options(argc, argv, &n, &c);
-  return loop_args(args, handle);
+  gn = 10, gc = -1;
+  char **args = parse_options(argc, argv, &gn, &gc);
+  return loop_files(args, process);
 }
-- 
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