From 9794094a5b3ac975d661643fc0bde6f6340ceafb Mon Sep 17 00:00:00 2001
From: Tom Smeding <tom@tomsmeding.com>
Date: Mon, 22 Jul 2024 21:23:46 +0200
Subject: Geen Engelse foutmelding bij ongeldige opties

---
 main.c          | 4 ++++
 src/aardig.c    | 1 +
 src/hoofd.c     | 1 +
 src/ja.c        | 1 +
 src/kat.c       | 1 +
 src/omd.c       | 1 +
 src/spons.c     | 1 +
 src/tak.c       | 1 +
 src/toilet.c    | 1 +
 src/weerklank.c | 1 +
 src/wiebenik.c  | 1 +
 11 files changed, 14 insertions(+)

diff --git a/main.c b/main.c
index e251f5f..898c821 100644
--- a/main.c
+++ b/main.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 
 #define X(name) int entry_ ## name (int argc, char **argv);
 PROGNAMES_XLIST
@@ -14,6 +15,9 @@ static char* basename(char *path) {
 }
 
 int main(int argc, char **argv) {
+  // Ensure getopt(3) does not print an (English) error
+  opterr = 0;
+
   const char *prognamearg = basename(argv[0]);
 
   if (strcmp(prognamearg, "drukkedoos") == 0) {
diff --git a/src/aardig.c b/src/aardig.c
index 5772054..0388782 100644
--- a/src/aardig.c
+++ b/src/aardig.c
@@ -41,6 +41,7 @@ static char** parse_options(int argc, char **argv, int *niceness) {
         exit(0);
 
       case '?':
+        fprintf(stderr, "aardig: Ongeldige optie: -%c\n", optopt);
         usage(stderr);
         exit(1);
     }
diff --git a/src/hoofd.c b/src/hoofd.c
index 62d1151..9e428e9 100644
--- a/src/hoofd.c
+++ b/src/hoofd.c
@@ -44,6 +44,7 @@ static char** parse_options(int argc, char **argv, int *n, int *c) {
         exit(0);
 
       case '?':
+        fprintf(stderr, "hoofd: Ongeldige optie: -%c\n", optopt);
         usage(stderr);
         exit(1);
     }
diff --git a/src/ja.c b/src/ja.c
index 6b37b02..3d6135d 100644
--- a/src/ja.c
+++ b/src/ja.c
@@ -30,6 +30,7 @@ static char** parse_options(int argc, char **argv) {
         exit(0);
 
       case '?':
+        fprintf(stderr, "ja: Ongeldige optie: -%c\n", optopt);
         usage(stderr);
         exit(1);
     }
diff --git a/src/kat.c b/src/kat.c
index 5549b24..0a17ddc 100644
--- a/src/kat.c
+++ b/src/kat.c
@@ -30,6 +30,7 @@ static char** parse_options(int argc, char **argv) {
         exit(0);
 
       case '?':
+        fprintf(stderr, "kat: Ongeldige optie: -%c\n", optopt);
         usage(stderr);
         exit(1);
     }
diff --git a/src/omd.c b/src/omd.c
index 2291a6c..71b8dee 100644
--- a/src/omd.c
+++ b/src/omd.c
@@ -29,6 +29,7 @@ static char** parse_options(int argc, char **argv) {
         exit(0);
 
       case '?':
+        fprintf(stderr, "omd: Ongeldige optie: -%c\n", optopt);
         usage(stderr);
         exit(1);
     }
diff --git a/src/spons.c b/src/spons.c
index f59bd25..51bb109 100644
--- a/src/spons.c
+++ b/src/spons.c
@@ -36,6 +36,7 @@ static char** parse_options(int argc, char **argv, bool *a) {
         exit(0);
 
       case '?':
+        fprintf(stderr, "spons: Ongeldige optie: -%c\n", optopt);
         usage(stderr);
         exit(1);
     }
diff --git a/src/tak.c b/src/tak.c
index cbe5a3b..245a85c 100644
--- a/src/tak.c
+++ b/src/tak.c
@@ -31,6 +31,7 @@ static char** parse_options(int argc, char **argv) {
         exit(0);
 
       case '?':
+        fprintf(stderr, "tak: Ongeldige optie: -%c\n", optopt);
         usage(stderr);
         exit(1);
     }
diff --git a/src/toilet.c b/src/toilet.c
index ce42aca..aa4fbfa 100644
--- a/src/toilet.c
+++ b/src/toilet.c
@@ -58,6 +58,7 @@ static char** parse_options(int argc, char **argv, int *modeMap) {
         exit(0);
 
       case '?':
+        fprintf(stderr, "toilet: Ongeldige optie: -%c\n", optopt);
         usage(stderr);
         exit(1);
     }
diff --git a/src/weerklank.c b/src/weerklank.c
index 477aef4..ad03389 100644
--- a/src/weerklank.c
+++ b/src/weerklank.c
@@ -45,6 +45,7 @@ static char** parse_options(int argc, char **argv, struct options *opts) {
         exit(0);
 
       case '?':
+        fprintf(stderr, "weerklank: Ongeldige optie: -%c\n", optopt);
         usage(stderr);
         exit(1);
     }
diff --git a/src/wiebenik.c b/src/wiebenik.c
index 71b321d..5d71ef4 100644
--- a/src/wiebenik.c
+++ b/src/wiebenik.c
@@ -31,6 +31,7 @@ static char** parse_options(int argc, char **argv) {
         exit(0);
 
       case '?':
+        fprintf(stderr, "wiebenik: Ongeldige optie: -%c\n", optopt);
         usage(stderr);
         exit(1);
     }
-- 
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