update

djstdlib/core.h

@@ -57,6 +57,7 @@ struct Scratch {
 };
 
 void *pushSize(Arena *arena, size_t bytes);
+void *pushSizeFill(Arena *arena, size_t bytes, byte fill);
 Arena *arenaAlloc(size_t capacity);
 void arenaFree(Arena *arena);
 void arenaFreeFrom(Arena *arena, size_t pos);
@@ -68,7 +69,9 @@ Scratch scratchStart(Arena **conflicts, size_t conflictCount);
 void scratchEnd(Scratch scratch); 
 
 #define PushArray(arena, type, size) (type *)pushSize(arena, sizeof(type) * (size))
+#define PushArrayZero(arena, type, size) (type *)pushSizeFill(arena, sizeof(type) * (size), 0)
 #define PushStruct(arena, type) (type *)pushSize(arena, sizeof(type))
+#define PushStructZero(arena, type) (type *)pushSizeFill(arena, sizeof(type), 0)
 
 // ### Vectors ###
 template <typename T>
@@ -134,7 +137,9 @@ struct list {
 };
 
 #define PushList(arena, type, size) (list<type>{ PushArray(arena, type, size), size, 0 })
+#define PushListZero(arena, type, size) (list<type>{ PushArrayZero(arena, type, size), size, 0 })
 #define PushFullList(arena, type, size) (list<type>{ PushArray(arena, type, size), size, size })
+#define PushFullListZero(arena, type, size) (list<type>{ PushArrayZero(arena, type, size), size, size })
 
 template <typename T> T *appendList(list<T> *list, T element); 
 template <typename T> void zeroList(list<T> *list); 
@@ -151,6 +156,7 @@ struct string {
 
 #define strlit(lit) (string{(char *)(lit), sizeof(lit) - 1})
 #define PushString(arena, length) (string{ (char *)pushSize(arena, length), (length) })
+#define PushStringFill(arena, length, characterByte) (string{ (char *)pushSizeFill(arena, length, characterByte), (length) })
 string operator""_s(const char *cstrLiteral, size_t length);
 
 // C Strings
@@ -160,6 +166,7 @@ size_t calcStringLen(const char *str);
 string strFromCString(Arena *arena, const char *str); 
 
 bool strEql(string s1, string s2); 
+bool strStartsWith(string str, string testStr);
 bool stringContains(string str, char c); 
 
 string strReverse(Arena *arena, string str);