Allow for no <stdio.h>
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gingerBill
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@ -7,7 +7,7 @@ library | latest version | category | languages | description
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**gb_string.h** | 0.93 | strings | C, C++ | A better string library for C & C++
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**gb.hpp** | 0.31a | misc | C++11 | (Experimental) A C++11 helper library without STL geared towards game development
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**gb_math.hpp** | 0.03a | math | C++11 | A C++11 math library geared towards game development
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**gb.h** | 0.03 | misc | C | (Experimental) A C helpher library geared towards game development (port of gb.hpp)
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**gb.h** | 0.04 | misc | C | (Experimental) A C helpher library geared towards game development (port of gb.hpp)
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**gb_ini.h** | 0.91a | misc | C, C++ | A simple ini file loader library for C & C++
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## FAQ
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46
gb.h
46
gb.h
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@ -1,4 +1,4 @@
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/* gb.h - v0.03 - public domain C helper library - no warranty implied; use at your own risk */
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/* gb.h - v0.04 - public domain C helper library - no warranty implied; use at your own risk */
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/* (Experimental) A C helper library geared towards game development */
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/*
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@ -16,6 +16,7 @@
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/*
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Version History:
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0.04 - Allow for no <stdio.h>
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0.03 - Allocators can be passed to gb_alloc/free/etc. without cast using `typedef void *gb_Allocator_Ptr`
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0.02 - Implement all functions (from gb.hpp)
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0.01 - Initial Version (just prototypes)
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@ -172,8 +173,9 @@ extern "C" {
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#endif
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#endif
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#include <math.h>
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#if !defined(GB_NO_STDIO)
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#include <stdio.h>
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#endif
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#include <assert.h>
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#if defined(GB_SYSTEM_WINDOWS)
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@ -190,7 +192,6 @@ extern "C" {
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#undef WIN32_EXTRA_LEAN
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#undef WIN32_LEAN_AND_MEAN
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#include <intrin.h>
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#else
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#include <pthread.h>
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#include <sys/time.h>
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@ -205,20 +206,23 @@ extern "C" {
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#define NULL ((void *)0)
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#endif
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#if !defined(NDEBUG)
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#if defined(NDEBUG)
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#define GB_ASSERT(cond) ((void)(0))
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#else
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/* TODO(bill): Do a better assert */
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#define GB_ASSERT(cond) assert(cond)
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#else
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#define GB_ASSERT(cond) ((void)(cond))
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#endif
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#define GB_STATIC_ASSERT(COND, MSG) typedef char gb__static_assertion_##MSG[(!!(COND))*2-1]
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#define GB_STATIC_ASSERT(cond, msg) typedef char gb__static_assertion_##msg[(!!(cond))*2-1]
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/* token pasting madness: */
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#define GB_COMPILE_TIME_ASSERT3(cond, line) GB_STATIC_ASSERT(cond, static_assertion_at_line_##line)
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#define GB_COMPILE_TIME_ASSERT2(cond, line) GB_COMPILE_TIME_ASSERT3(cond, line)
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#define GB_COMPILE_TIME_ASSERT(cond) GB_COMPILE_TIME_ASSERT2(cond, __LINE__)
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#if !defined(GB_NO_STDIO) && defined(_MSC_VER)
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/* snprintf_msvc */
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#if defined(_MSC_VER)
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int gb__vsnprintf_compatible(char *buffer, size_t size, const char *format, va_list args)
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{
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int result = -1;
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@ -240,7 +244,7 @@ extern "C" {
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#define snprintf gb__snprintf_compatible
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#define vsnprintf gb__vsnprintf_compatible
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#endif /* GB_DO_NOT_USE_MSVC_SPRINTF_FIX */
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#endif
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#endif /* !defined(GB_NO_STDIO) */
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#if defined(_MSC_VER)
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typedef unsigned __int8 u8;
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@ -252,6 +256,8 @@ extern "C" {
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typedef unsigned __int64 u64;
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typedef signed __int64 s64;
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#else
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#include <stdint.h>
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typedef uint8_t u8;
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typedef int8_t s8;
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typedef uint16_t u16;
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@ -331,7 +337,15 @@ typedef ptrdiff_t ptrdiff;
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/* NOTE(bill): Easier to grep/find for casts */
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/* Still not as type safe as C++ static_cast, reinterpret_cast, const_cast */
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#define cast(Type, var) ((Type)(var))
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#define cast(Type, src) ((Type)(src))
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#if defined(GB_COMPILER_GNU_GCC)
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#define bit_cast(Type, src) ({ GB_ASSERT(sizeof(Type) <= sizeof(src)); Type dst; memcpy(&dst, &(src), sizeof(Type)); dst; })
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#endif
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#define pseudo_cast(Type, src) (*cast(Type *, &(src)))
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#define GB_UNUSED(x) cast(void, sizeof(x))
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/**********************************/
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@ -1438,15 +1452,15 @@ gb__arena_alloc(gb_Allocator *a, usize size, usize align)
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internal_linkage void
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gb__arena_free(gb_Allocator *a, void *ptr) /* NOTE(bill): Arenas free all at once */
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{
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cast(void, a);
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cast(void, ptr);
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GB_UNUSED(a);
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GB_UNUSED(ptr);
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}
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internal_linkage s64
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gb__arena_allocated_size(gb_Allocator *a, const void* ptr)
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{
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cast(void, a);
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cast(void, ptr);
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GB_UNUSED(a);
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GB_UNUSED(ptr);
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return -1;
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}
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@ -1579,8 +1593,8 @@ gb__pool_free(gb_Allocator *a, void *ptr)
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internal_linkage s64
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gb__pool_allocated_size(gb_Allocator *a, const void *ptr)
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{
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cast(void, a);
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cast(void, ptr);
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GB_UNUSED(a);
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GB_UNUSED(ptr);
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return -1;
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}
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