From 6505e3ba490bfd2c8d78795701644c1e5f4edb30 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20LUDWIG?= <contact@theoludwig.fr>
Date: Wed, 9 Aug 2023 20:21:33 +0200
Subject: [PATCH] feat: add `string_remove_character`

---
 lib/string.c       | 14 ++++++++++++++
 lib/string.h       | 11 +++++++++++
 test/string_test.c |  8 ++++++++
 test/string_test.h |  2 ++
 4 files changed, 35 insertions(+)

diff --git a/lib/string.c b/lib/string.c
index 258176d..730750c 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -37,6 +37,20 @@ void string_replace(string_t string, char search, char replace) {
   string[string_length] = '\0';
 }
 
+void string_remove_character(char* string, char search) {
+  size_t string_length = string_get_length(string);
+  for (size_t index = 0; index < string_length; index++) {
+    if (string[index] == search) {
+      for (size_t index_string = index; index_string < string_length; index_string++) {
+        string[index_string] = string[index_string + 1];
+      }
+      string_length--;
+      index--;
+    }
+  }
+  string[string_length] = '\0';
+}
+
 void string_trim_start(string_t string, char character) {
   size_t string_length = string_get_length(string);
   size_t index_space = 0;
diff --git a/lib/string.h b/lib/string.h
index 3b241bd..7bdc2cf 100644
--- a/lib/string.h
+++ b/lib/string.h
@@ -51,6 +51,17 @@ void string_to_lowercase(string_t string);
  */
 void string_replace(string_t string, char search, char replace);
 
+/**
+ * @brief Removes all the occurrences of a character in a string.
+ *
+ * NOTE: Mutates the string.
+ *
+ * @param string
+ * @param search A character search value.
+ * @since v4.1.0
+ */
+void string_remove_character(char* string, char search);
+
 /**
  * @brief Removes all `character` from the start of a string.
  *
diff --git a/test/string_test.c b/test/string_test.c
index 47c8444..fc7ba75 100644
--- a/test/string_test.c
+++ b/test/string_test.c
@@ -5,6 +5,7 @@ void string_test() {
   string_to_uppercase_test();
   string_to_lowercase_test();
   string_replace_test();
+  string_remove_character_test();
   string_trim_start_test();
   string_trim_end_test();
   string_trim_test();
@@ -54,6 +55,13 @@ void string_replace_test() {
   free(string);
 }
 
+void string_remove_character_test() {
+  string_t string = string_copy("hello world");
+  string_remove_character(string, 'l');
+  assert(assert_string_equal(string, "heo word"));
+  free(string);
+}
+
 void string_trim_start_test() {
   string_t string = string_copy("      hello world      ");
   string_trim_start(string, ' ');
diff --git a/test/string_test.h b/test/string_test.h
index 871c06f..d453258 100644
--- a/test/string_test.h
+++ b/test/string_test.h
@@ -18,6 +18,8 @@ void string_to_lowercase_test();
 
 void string_replace_test();
 
+void string_remove_character_test();
+
 void string_trim_start_test();
 
 void string_trim_end_test();