From 16d2d8ebf62d2fa222811528a7fbbdd05accbc68 Mon Sep 17 00:00:00 2001
From: Sara <sara@saragerretsen.nl>
Date: Thu, 25 Jan 2024 00:04:21 +0100
Subject: [PATCH] feat: added strcount

---
 core/src/strutil.c | 7 +++++++
 core/src/strutil.h | 1 +
 2 files changed, 8 insertions(+)

diff --git a/core/src/strutil.c b/core/src/strutil.c
index ef74370..ffc698b 100644
--- a/core/src/strutil.c
+++ b/core/src/strutil.c
@@ -30,6 +30,13 @@ long strfirst(const char* begin, const char* end, char search) {
     return -1;
 }
 
+long strcount(const char* begin, const char* end, char search) {
+    long count = 0;
+    for(;begin < end && *begin != '\0'; ++begin)
+        if(*begin == search) ++count;
+    return count;
+}
+
 long strfirst_pred(const char* begin, const char* end, CharPredFn pred) {
     const char* itr = begin;
     while(itr != end)
diff --git a/core/src/strutil.h b/core/src/strutil.h
index 1c43021..ae8592a 100644
--- a/core/src/strutil.h
+++ b/core/src/strutil.h
@@ -10,6 +10,7 @@ extern uintptr_t strnhash(const char* s, size_t n);
 extern uintptr_t strhash(const char* s);
 extern long strlast(const char* rbegin, const char* rend, char search);
 extern long strfirst(const char* begin, const char* end, char search);
+extern long strcount(const char* begin, const char* end, char search);
 extern long strfirst_pred(const char* begin, const char* end, CharPredFn pred);
 extern long strlast_pred(const char* rbegin, const char* rend, CharPredFn pred);