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Persistently fixing some PVS-Studio static analyzer false positive warnings.

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This commit is contained in:
omar 2019-01-27 16:35:48 +01:00
parent ee3b4f2bf1
commit 4e8e177cac
4 changed files with 7 additions and 7 deletions
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2
imgui_demo.cpp
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@ -882,7 +882,7 @@ static void ShowDemoWindowWidgets()
// Note: We _unnecessarily_ test for both x/y and i here only to silence some static analyzer. The second part of each test is unnecessary. // Note: We _unnecessarily_ test for both x/y and i here only to silence some static analyzer. The second part of each test is unnecessary.
int x = i % 4; int x = i % 4;
int y = i / 4; int y = i / 4;
if (x > 0 && i > 0) { selected[i - 1] ^= 1; } if (x > 0) { selected[i - 1] ^= 1; }
if (x < 3 && i < 15) { selected[i + 1] ^= 1; } if (x < 3 && i < 15) { selected[i + 1] ^= 1; }
if (y > 0 && i > 3) { selected[i - 4] ^= 1; } if (y > 0 && i > 3) { selected[i - 4] ^= 1; }
if (y < 3 && i < 12) { selected[i + 4] ^= 1; } if (y < 3 && i < 12) { selected[i + 4] ^= 1; }

4
imgui_draw.cpp
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@ -689,7 +689,7 @@ void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32
PrimReserve(idx_count, vtx_count); PrimReserve(idx_count, vtx_count);
// Temporary buffer // Temporary buffer
ImVec2* temp_normals = (ImVec2*)alloca(points_count * (thick_line ? 5 : 3) * sizeof(ImVec2)); ImVec2* temp_normals = (ImVec2*)alloca(points_count * (thick_line ? 5 : 3) * sizeof(ImVec2)); //-V630
ImVec2* temp_points = temp_normals + points_count; ImVec2* temp_points = temp_normals + points_count;
for (int i1 = 0; i1 < count; i1++) for (int i1 = 0; i1 < count; i1++)
@ -880,7 +880,7 @@ void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_coun
} }
// Compute normals // Compute normals
ImVec2* temp_normals = (ImVec2*)alloca(points_count * sizeof(ImVec2)); ImVec2* temp_normals = (ImVec2*)alloca(points_count * sizeof(ImVec2)); //-V630
for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++) for (int i0 = points_count-1, i1 = 0; i1 < points_count; i0 = i1++)
{ {
const ImVec2& p0 = points[i0]; const ImVec2& p0 = points[i0];

4
imgui_widgets.cpp
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@ -4007,7 +4007,7 @@ bool ImGui::ColorEdit4(const char* label, float col[4], ImGuiColorEditFlags flag
{ {
if (const ImGuiPayload* payload = AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_3F)) if (const ImGuiPayload* payload = AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_3F))
{ {
memcpy((float*)col, payload->Data, sizeof(float) * 3); // Preserve alpha if any memcpy((float*)col, payload->Data, sizeof(float) * 3); // Preserve alpha if any //-V512
value_changed = true; value_changed = true;
} }
if (const ImGuiPayload* payload = AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_4F)) if (const ImGuiPayload* payload = AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_4F))
@ -5485,7 +5485,7 @@ bool ImGui::BeginMainMenuBar()
End(); End();
return false; return false;
} }
return true; return true; //-V1020
} }
void ImGui::EndMainMenuBar() void ImGui::EndMainMenuBar()

4
imstb_truetype.h
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@ -1828,7 +1828,7 @@ static int stbtt__GetGlyphShapeTT(const stbtt_fontinfo *info, int glyph_index, s
if (comp_verts) STBTT_free(comp_verts, info->userdata); if (comp_verts) STBTT_free(comp_verts, info->userdata);
return 0; return 0;
} }
if (num_vertices > 0) STBTT_memcpy(tmp, vertices, num_vertices*sizeof(stbtt_vertex)); if (num_vertices > 0) STBTT_memcpy(tmp, vertices, num_vertices*sizeof(stbtt_vertex)); //-V595
STBTT_memcpy(tmp+num_vertices, comp_verts, comp_num_verts*sizeof(stbtt_vertex)); STBTT_memcpy(tmp+num_vertices, comp_verts, comp_num_verts*sizeof(stbtt_vertex));
if (vertices) STBTT_free(vertices, info->userdata); if (vertices) STBTT_free(vertices, info->userdata);
vertices = tmp; vertices = tmp;
@ -2199,7 +2199,7 @@ static int stbtt__run_charstring(const stbtt_fontinfo *info, int glyph_index, st
} break; } break;
default: default:
if (b0 != 255 && b0 != 28 && (b0 < 32 || b0 > 254)) if (b0 != 255 && b0 != 28 && (b0 < 32 || b0 > 254)) //-V560
return STBTT__CSERR("reserved operator"); return STBTT__CSERR("reserved operator");
// push immediate // push immediate