From: ahmedsamyh <ahmedsamyh10@gmail.com>
Date: Sat, 25 Jan 2025 14:42:31 +0000 (+0500)
Subject: WIP: String_Builder
X-Git-Url: https://www.git.momoyon.org/?a=commitdiff_plain;h=e93c80ec3440507529d26a910cb31f3ba222d30e;p=commonlib.git

WIP: String_Builder
---

diff --git a/commonlib.h b/commonlib.h
index f397c73..d975879 100644
--- a/commonlib.h
+++ b/commonlib.h
@@ -166,6 +166,18 @@ void c_Arena_free(c_Arena* a);
 #define c_Arena_alloc_str(a, fmt, ...)    c_Arena_alloc(&(a), sizeof(char)*stbsp_snprintf((a).ptr, (int)((a).buff_size - ((uint8*)(a).ptr - (uint8*)(a).buff)), (fmt), __VA_ARGS__)+1)
 #define c_Arena_alloc_wstr(a, fmt, ...) c_Arena_alloc(&a, sizeof(char)*wprintf(a.ptr, a.buff_size - ((uint8*)a.ptr - (uint8*)a.buff), (fmt), __VA_ARGS__)+1)
 
+//
+// String Builder
+//
+
+typedef struct {
+    char* data;
+    size_t size;
+    size_t capacity;
+} String_builder;
+
+void sb_append(String_builder* sb, char* data);
+
 //
 // String view
 //
@@ -355,6 +367,22 @@ void c_Arena_free(c_Arena* a) {
     free(a->buff);
 }
 
+//
+// String Builder
+//
+
+void sb_append(String_builder* sb, char* data) {
+    size_t data_size = strlen(data);
+    if (sb->size + data_size > sb->capacity) {
+        sb->capacity *= 2;
+        sb->data = realloc(sb->data, sb->capacity);
+    }
+
+    // void *memcpy(void dest[restrict .n], const void src[restrict .n],
+    memcpy((uintptr_t)sb->data + (uintptr_t)sb->data, data, data_size);
+    sb->size += data_size;
+}
+
 //
 // String view
 //