Fix more "may be used initialized" warnings from GCC 7

Fixes the following GCC 7 warnings:
```
core/cowdata.h:269:47: warning: 'alloc_size' may be used uninitialized in this function [-Wmaybe-uninitialized]
core/error_macros.h:163:26: warning: 'nearest_point' may be used uninitialized in this function [-Wmaybe-uninitialized]
core/image.cpp:1579:5: warning: 'colormap_size' may be used uninitialized in this function [-Wmaybe-uninitialized]
core/image.cpp:1582:12: warning: 'size_height' may be used uninitialized in this function [-Wmaybe-uninitialized]
core/image.cpp:1590:23: warning: 'size_width' may be used uninitialized in this function [-Wmaybe-uninitialized]
core/image.cpp:1599:29: warning: 'pixel_size' may be used uninitialized in this function [-Wmaybe-uninitialized]
core/math/face3.cpp:207:15: warning: 'tri_max' may be used uninitialized in this function [-Wmaybe-uninitialized]
core/math/face3.cpp:209:15: warning: 'tri_min' may be used uninitialized in this function [-Wmaybe-uninitialized]
drivers/gles3/rasterizer_scene_gles3.cpp:665:22: warning: 'best_used_frame' may be used uninitialized in this function [-Wmaybe-uninitialized]
drivers/gles3/rasterizer_storage_gles3.cpp:865:27: warning: 'blit_target' may be used uninitialized in this function [-Wmaybe-uninitialized]
drivers/gles3/rasterizer_storage_gles3.cpp:980:29: warning: 'blit_target' may be used uninitialized in this function [-Wmaybe-uninitialized]
drivers/gles3/shader_gles3.h:122:9: warning: '<anonymous>.ShaderGLES3::Version::frag_id' may be used uninitialized in this function [-Wmaybe-uninitialized]
drivers/gles3/shader_gles3.h:122:9: warning: '<anonymous>.ShaderGLES3::Version::id' may be used uninitialized in this function [-Wmaybe-uninitialized]
drivers/gles3/shader_gles3.h:122:9: warning: '<anonymous>.ShaderGLES3::Version::vert_id' may be used uninitialized in this function [-Wmaybe-uninitialized]
editor/plugins/script_editor_plugin.cpp:1980:31: warning: 'se' may be used uninitialized in this function [-Wmaybe-uninitialized]
editor/scene_tree_dock.cpp:840:30: warning: 'new_node' may be used uninitialized in this function [-Wmaybe-uninitialized]
editor/spatial_editor_gizmos.cpp:4259:9: warning: 'a1' may be used uninitialized in this function [-Wmaybe-uninitialized]
editor/spatial_editor_gizmos.cpp:4259:9: warning: 'lll' may be used uninitialized in this function [-Wmaybe-uninitialized]
editor/spatial_editor_gizmos.cpp:4259:9: warning: 'lul' may be used uninitialized in this function [-Wmaybe-uninitialized]
editor/spatial_editor_gizmos.cpp:4260:9: warning: 'a2' may be used uninitialized in this function [-Wmaybe-uninitialized]
editor/spatial_editor_gizmos.cpp:4261:9: warning: 'a3' may be used uninitialized in this function [-Wmaybe-uninitialized]
editor/spatial_editor_gizmos.cpp:4265:3: warning: 'enable_lin' may be used uninitialized in this function [-Wmaybe-uninitialized]
editor/spatial_editor_gizmos.cpp:4294:3: warning: 'enable_ang' may be used uninitialized in this function [-Wmaybe-uninitialized]
editor/spatial_editor_gizmos.cpp:4311:34: warning: 'll' may be used uninitialized in this function [-Wmaybe-uninitialized]
editor/spatial_editor_gizmos.cpp:4311:34: warning: 'ul' may be used uninitialized in this function [-Wmaybe-uninitialized]
scene/3d/voxel_light_baker.cpp:1655:47: warning: 'cone_dirs' may be used uninitialized in this function [-Wmaybe-uninitialized]
scene/3d/voxel_light_baker.cpp:1656:73: warning: 'cone_weights' may be used uninitialized in this function [-Wmaybe-uninitialized]
scene/gui/texture_progress.cpp:181:6: warning: 'cp' may be used uninitialized in this function [-Wmaybe-uninitialized]
scene/gui/texture_progress.cpp:181:6: warning: 'cq' may be used uninitialized in this function [-Wmaybe-uninitialized]
servers/physics/shape_sw.cpp:1056:19: warning: 'support_max' may be used uninitialized in this function [-Wmaybe-uninitialized]
```
This commit is contained in:
Rémi Verschelde 2018-10-04 18:54:20 +02:00
parent 8068d0217a
commit 3e9740ac93
13 changed files with 45 additions and 43 deletions

View file

@ -87,7 +87,10 @@ private:
#if defined(_add_overflow) && defined(_mul_overflow)
size_t o;
size_t p;
if (_mul_overflow(p_elements, sizeof(T), &o)) return false;
if (_mul_overflow(p_elements, sizeof(T), &o)) {
*out = 0;
return false;
}
*out = next_power_of_2(o);
if (_add_overflow(o, static_cast<size_t>(32), &p)) return false; //no longer allocated here
return true;

View file

@ -1471,7 +1471,8 @@ void Image::create(int p_width, int p_height, bool p_use_mipmaps, Format p_forma
void Image::create(const char **p_xpm) {
int size_width, size_height;
int size_width = 0;
int size_height = 0;
int pixelchars = 0;
mipmaps = false;
bool has_alpha = false;
@ -1487,8 +1488,8 @@ void Image::create(const char **p_xpm) {
int line = 0;
HashMap<String, Color> colormap;
int colormap_size;
uint32_t pixel_size;
int colormap_size = 0;
uint32_t pixel_size = 0;
PoolVector<uint8_t>::Write w;
while (status != DONE) {

View file

@ -202,11 +202,12 @@ bool Face3::intersects_aabb(const AABB &p_aabb) const {
{ \
real_t aabb_min = p_aabb.position.m_ax; \
real_t aabb_max = p_aabb.position.m_ax + p_aabb.size.m_ax; \
real_t tri_min, tri_max; \
for (int i = 0; i < 3; i++) { \
if (i == 0 || vertex[i].m_ax > tri_max) \
real_t tri_min = vertex[0].m_ax; \
real_t tri_max = vertex[0].m_ax; \
for (int i = 1; i < 3; i++) { \
if (vertex[i].m_ax > tri_max) \
tri_max = vertex[i].m_ax; \
if (i == 0 || vertex[i].m_ax < tri_min) \
if (vertex[i].m_ax < tri_min) \
tri_min = vertex[i].m_ax; \
} \
\

View file

@ -653,7 +653,7 @@ bool RasterizerSceneGLES3::reflection_probe_instance_begin_render(RID p_instance
int best_free = -1;
int best_used = -1;
uint64_t best_used_frame;
uint64_t best_used_frame = 0;
for (int i = 0; i < reflection_atlas->reflections.size(); i++) {
if (reflection_atlas->reflections[i].owner == RID()) {

View file

@ -730,7 +730,7 @@ void RasterizerStorageGLES3::texture_set_data(RID p_texture, const Ref<Image> &p
}
};
GLenum blit_target;
GLenum blit_target = GL_TEXTURE_2D;
switch (texture->type) {
case VS::TEXTURE_TYPE_2D: {
@ -948,7 +948,7 @@ void RasterizerStorageGLES3::texture_set_data_partial(RID p_texture, const Ref<I
Image::Format real_format;
Ref<Image> img = _get_gl_image_and_format(p_sub_img, p_sub_img->get_format(), texture->flags, real_format, format, internal_format, type, compressed, srgb);
GLenum blit_target;
GLenum blit_target = GL_TEXTURE_2D;
switch (texture->type) {
case VS::TEXTURE_TYPE_2D: {

View file

@ -128,11 +128,13 @@ private:
Vector<GLint> texture_uniform_locations;
uint32_t code_version;
bool ok;
Version() {
code_version = 0;
ok = false;
uniform_location = NULL;
}
Version() :
id(0),
vert_id(0),
frag_id(0),
uniform_location(NULL),
code_version(0),
ok(false) {}
};
Version *version;

View file

@ -1960,7 +1960,7 @@ bool ScriptEditor::edit(const RES &p_resource, int p_line, int p_col, bool p_gra
// doesn't have it, make a new one
ScriptEditorBase *se;
ScriptEditorBase *se = NULL;
for (int i = script_editor_func_count - 1; i >= 0; i--) {
se = script_editor_funcs[i](p_resource);

View file

@ -797,7 +797,7 @@ void SceneTreeDock::_tool_selected(int p_tool, bool p_confirm_override) {
case TOOL_CREATE_USER_INTERFACE:
case TOOL_CREATE_FAVORITE: {
Node *new_node;
Node *new_node = NULL;
if (TOOL_CREATE_FAVORITE == p_tool) {
String name = selected_favorite_root.get_slicec(' ', 0);

View file

@ -4201,21 +4201,16 @@ void JointSpatialGizmoPlugin::CreateGeneric6DOFJointGizmo(
float cs = 0.25;
for (int ax = 0; ax < 3; ax++) {
/*r_points.push_back(p_offset.translated(Vector3(+cs,0,0)).origin);
r_points.push_back(p_offset.translated(Vector3(-cs,0,0)).origin);
r_points.push_back(p_offset.translated(Vector3(0,+cs,0)).origin);
r_points.push_back(p_offset.translated(Vector3(0,-cs,0)).origin);
r_points.push_back(p_offset.translated(Vector3(0,0,+cs*2)).origin);
r_points.push_back(p_offset.translated(Vector3(0,0,-cs*2)).origin); */
float ll = 0;
float ul = 0;
float lll = 0;
float lul = 0;
float ll;
float ul;
float lll;
float lul;
int a1, a2, a3;
bool enable_ang;
bool enable_lin;
int a1 = 0;
int a2 = 0;
int a3 = 0;
bool enable_ang = false;
bool enable_lin = false;
switch (ax) {
case 0:

View file

@ -1587,8 +1587,8 @@ Vector3 VoxelLightBaker::_compute_pixel_light_at_pos(const Vector3 &p_pos, const
Vector3 bitangent = tangent.cross(p_normal).normalized();
Basis normal_xform = Basis(tangent, bitangent, p_normal).transposed();
const Vector3 *cone_dirs;
const float *cone_weights;
const Vector3 *cone_dirs = NULL;
const float *cone_weights = NULL;
int cone_dir_count = 0;
float cone_aperture = 0;

View file

@ -238,21 +238,21 @@ void GradientEdit::_gui_input(const Ref<InputEvent> &p_event) {
if (mm->get_shift()) {
float snap_treshhold = 0.03;
float smallest_ofs = snap_treshhold;
bool founded = false;
int nearest_point;
bool found = false;
int nearest_point = 0;
for (int i = 0; i < points.size(); ++i) {
if (i != grabbed) {
float temp_ofs = ABS(points[i].offset - newofs);
if (temp_ofs < smallest_ofs) {
smallest_ofs = temp_ofs;
nearest_point = i;
if (founded)
if (found)
break;
founded = true;
found = true;
}
}
}
if (founded) {
if (found) {
if (points[nearest_point].offset < newofs)
newofs = points[nearest_point].offset + 0.00001;
else

View file

@ -148,9 +148,9 @@ Point2 TextureProgress::unit_val_to_uv(float val) {
float angle = (val * Math_TAU) - Math_PI * 0.5;
Point2 dir = Vector2(Math::cos(angle), Math::sin(angle));
float t1 = 1.0;
float cp;
float cq;
float cr;
float cp = 0;
float cq = 0;
float cr = 0;
float edgeLeft = 0.0;
float edgeRight = 1.0;
float edgeBottom = 0.0;

View file

@ -1047,7 +1047,7 @@ void FaceShapeSW::get_supports(const Vector3 &p_normal, int p_max, Vector3 *r_su
/** FIND SUPPORT VERTEX **/
int vert_support_idx = -1;
real_t support_max;
real_t support_max = 0;
for (int i = 0; i < 3; i++) {