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adding compile time assertion support whenever possible

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and convert some runtime which deserve to be evaluated earlier.
This commit is contained in:
David Carlier 2023-06-17 16:04:13 +01:00
parent 218ac53ce9
commit ce3e9136a8
4 changed files with 8 additions and 3 deletions
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2
src/client/refresh/gl3/gl3_main.c
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@ -1011,7 +1011,7 @@ GL3_DrawParticles(void)
GLfloat dist;
GLfloat color[4];
} part_vtx;
assert(sizeof(part_vtx)==9*sizeof(float)); // remember to update GL3_SurfInit() if this changes!
YQ2_STATIC_ASSERT(sizeof(part_vtx)==9*sizeof(float), "invalid part_vtx size"); // remember to update GL3_SurfInit() if this changes!
// Don't try to draw particles if there aren't any.
if (numParticles == 0)

2
src/client/refresh/gl3/gl3_mesh.c
View file

@ -189,7 +189,7 @@ DrawAliasFrameLerp(dmdl_t *paliashdr, entity_t* entity, vec3_t shadelight)
LerpVerts(colorOnly, paliashdr->num_xyz, v, ov, verts, lerp, move, frontv, backv);
assert(sizeof(gl3_alias_vtx_t) == 9*sizeof(GLfloat));
YQ2_STATIC_ASSERT(sizeof(gl3_alias_vtx_t) == 9*sizeof(GLfloat), "invalid gl3_alias_vtx_t size");
// all the triangle fans and triangle strips of this model will be converted to
// just triangles: the vertices stay the same and are batched in vtxBuf,

5
src/common/header/shared.h
View file

@ -59,6 +59,7 @@ typedef unsigned char byte;
#define YQ2_ALIGNAS_TYPE(TYPE) _Alignas(TYPE)
// must be used as prefix (YQ2_ATTR_NORETURN void bla();)!
#define YQ2_ATTR_NORETURN _Noreturn
#define YQ2_STATIC_ASSERT(C, M) _Static_assert((C), M)
#if defined(__GNUC__)
#define YQ2_ATTR_MALLOC __attribute__ ((__malloc__))
#define YQ2_ATTR_INLINE __attribute__((always_inline)) inline
@ -77,6 +78,8 @@ typedef unsigned char byte;
#define YQ2_ATTR_NORETURN __attribute__ ((noreturn))
#define YQ2_ATTR_MALLOC __attribute__ ((__malloc__))
#define YQ2_ATTR_INLINE __attribute__((always_inline)) inline
// GCC supports this extension since 4.6
#define YQ2_STATIC_ASSERT(C, M) _Static_assert((C), M)
#elif defined(_MSC_VER)
// Note: We prefer VS2019 16.8 or newer in C11 mode (/std:c11),
// then the __STDC_VERSION__ >= 201112L case above is used
@ -95,6 +98,7 @@ typedef unsigned char byte;
#define YQ2_ATTR_NORETURN __declspec(noreturn)
#define YQ2_ATTR_MALLOC __declspec(restrict)
#define YQ2_ATTR_INLINE __forceinline
#define YQ2_STATIC_ASSERT(C, M) assert((C) && M)
#else
#warning "Please add a case for your compiler here to align correctly"
#define YQ2_ALIGNAS_SIZE(SIZE)
@ -102,6 +106,7 @@ typedef unsigned char byte;
#define YQ2_ATTR_NORETURN
#define YQ2_ATTR_MALLOC
#define YQ2_ATTR_INLINE inline
#define YQ2_STATIC_ASSERT(C, M) assert((C) && M)
#endif
#if defined(__GNUC__)

2
src/common/shared/shared.c
View file

@ -868,7 +868,7 @@ Swap_Init(void)
{
byte swaptest[2] = {1, 0};
short swapTestShort;
assert(sizeof(short) == 2);
YQ2_STATIC_ASSERT(sizeof(short) == 2, "invalid short size");
memcpy(&swapTestShort, swaptest, 2);
/* set the byte swapping variables in a portable manner */