From d8b7e45a5900f677fb6ef19a5eb51855071520aa Mon Sep 17 00:00:00 2001
From: Lieuwe Rooijakkers <lieuwerooijakkers@gmail.com>
Date: Sun, 4 Aug 2024 15:08:07 +0200
Subject: toilet: use loop_args

---
 src/toilet.c | 60 ++++++++++++++++++++++++++----------------------------------
 1 file changed, 26 insertions(+), 34 deletions(-)

diff --git a/src/toilet.c b/src/toilet.c
index b1da9f1..d9c2556 100644
--- a/src/toilet.c
+++ b/src/toilet.c
@@ -9,13 +9,16 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-#include "util/versie.h"
-#include "util/error.h"
 #include "util/debug.h"
+#include "util/error.h"
+#include "util/loop_args.h"
 #include "util/map.h"
+#include "util/versie.h"
 
 #include "io/read_file.h"
 
+int modeMap;
+
 static void usage(FILE *f) {
   fprintf(f,
       "Gebruik: toilet [-nchV] [BESTAND]...\n"
@@ -112,7 +115,7 @@ size_t get_count(enum MODE mode, struct filebuf *fb) {
   }
 }
 
-static void process(char *fname, struct filebuf *fb, int modeMap) {
+static void process(char *fname, struct filebuf *fb) {
   for (enum MODE mode = 1; mode <= M_BYTES; mode <<= 1) {
     if (mode & modeMap) {
       const size_t count = get_count(mode, fb);
@@ -126,38 +129,17 @@ static void process(char *fname, struct filebuf *fb, int modeMap) {
 // TODO: be smarter, toilet doesn't have to read the whole file in memory (for
 // unmappable files)
 
-int entry_toilet(int argc, char **argv) {
-  int modeMap = 0;
-  char **args = parse_options(argc, argv, &modeMap);
-  if (modeMap == 0) {
-    modeMap = INT_MAX;
-  }
-
-  if (*args == NULL) {
+static int handle(char *arg, bool isstdin) {
+  if (isstdin) {
     struct filebuf *fb = stream_to_filebuf(stdin, 0);
     if (fb == NULL) goto err_stdin;
-
-    process("", fb, modeMap);
-    return 0;
-  }
-
-  while (*args != NULL) {
-    struct filebuf *fb = NULL;
-
-    if (!strcmp(*args, "-")) {
-      fb = stream_to_filebuf(stdin, 0);
-      if (fb == NULL) goto err_stdin;
-      *args = ""; // no filename when stdin
-    } else {
-      bool isdir = false;
-      fb = file_to_filebuf(*args, 0, &isdir);
-      if (isdir) goto err_isdir;
-      else if (fb == NULL) goto err_file;
-    }
-
-    process(*args, fb, modeMap);
-
-    args++;
+    process("", fb);
+  } else {
+    bool isdir = false;
+    struct filebuf *fb = file_to_filebuf(arg, 0, &isdir);
+    if (isdir) goto err_isdir;
+    else if (fb == NULL) goto err_file;
+    process(arg, fb);
   }
 
   return 0;
@@ -171,6 +153,16 @@ err_file:
   return 1;
 
 err_isdir:
-  fprintf(stderr, "toilet: bestand '%s' is een mapje\n", *args);
+  fprintf(stderr, "toilet: bestand '%s' is een mapje\n", arg);
   return 1;
 }
+
+int entry_toilet(int argc, char **argv) {
+  modeMap = 0;
+  char **args = parse_options(argc, argv, &modeMap);
+  if (modeMap == 0) {
+    modeMap = INT_MAX;
+  }
+
+  return loop_args(args, handle);
+}
-- 
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