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Fixed Clang zealous cast-call warning (on par with GCC) which decided to warn against explicit C-style casts now.

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This commit is contained in:
omar 2018-04-03 20:55:30 +02:00
parent 77e234d9df
commit 78610a54d2
3 changed files with 10 additions and 8 deletions
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13
imgui.cpp
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@ -687,14 +687,15 @@
#pragma clang diagnostic ignored "-Wglobal-constructors" // warning : declaration requires a global destructor // similar to above, not sure what the exact difference it.
#pragma clang diagnostic ignored "-Wsign-conversion" // warning : implicit conversion changes signedness //
#pragma clang diagnostic ignored "-Wformat-pedantic" // warning : format specifies type 'void *' but the argument has type 'xxxx *' // unreasonable, would lead to casting every %p arg to void*. probably enabled by -pedantic.
#pragma clang diagnostic ignored "-Wint-to-void-pointer-cast" // warning : cast to 'void *' from smaller integer type 'int' //
#pragma clang diagnostic ignored "-Wint-to-void-pointer-cast" // warning : cast to 'void *' from smaller integer type 'int'
#pragma clang diagnostic ignored "-Wcast-qual" // warning : cast from 'const xxxx *' to 'xxxx *' drops const qualifier
#elif defined(__GNUC__)
#pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
#pragma GCC diagnostic ignored "-Wint-to-pointer-cast" // warning: cast to pointer from integer of different size
#pragma GCC diagnostic ignored "-Wformat" // warning: format '%p' expects argument of type 'void*', but argument 6 has type 'ImGuiWindow*'
#pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function
#pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value
#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'xxxx' to type 'xxxx' casts away qualifiers
#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
#pragma GCC diagnostic ignored "-Wformat-nonliteral" // warning: format not a string literal, format string not checked
#pragma GCC diagnostic ignored "-Wstrict-overflow" // warning: assuming signed overflow does not occur when assuming that (X - c) > X is always false
#endif
@ -1025,11 +1026,11 @@ char* ImStrdup(const char *str)
return (char*)memcpy(buf, (const void*)str, len);
}
char* ImStrchrRange(const char* str, const char* str_end, char c)
const char* ImStrchrRange(const char* str, const char* str_end, char c)
{
for ( ; str < str_end; str++)
if (*str == c)
return (char*)str;
return str;
return NULL;
}
@ -3762,7 +3763,7 @@ static void LoadIniSettingsFromMemory(const char* buf_readonly)
line_end[-1] = 0;
const char* name_end = line_end - 1;
const char* type_start = line + 1;
char* type_end = ImStrchrRange(type_start, name_end, ']');
char* type_end = (char*)ImStrchrRange(type_start, name_end, ']');
const char* name_start = type_end ? ImStrchrRange(type_end + 1, name_end, '[') : NULL;
if (!type_end || !name_start)
{
@ -9424,7 +9425,7 @@ struct ImGuiPlotArrayGetterData
static float Plot_ArrayGetter(void* data, int idx)
{
ImGuiPlotArrayGetterData* plot_data = (ImGuiPlotArrayGetterData*)data;
const float v = *(float*)(void*)((unsigned char*)plot_data->Values + (size_t)idx * plot_data->Stride);
const float v = *(const float*)(const void*)((const unsigned char*)plot_data->Values + (size_t)idx * plot_data->Stride);
return v;
}

3
imgui_draw.cpp
View File

@ -41,6 +41,7 @@
#pragma clang diagnostic ignored "-Wfloat-equal" // warning : comparing floating point with == or != is unsafe // storing and comparing against same constants ok.
#pragma clang diagnostic ignored "-Wglobal-constructors" // warning : declaration requires a global destructor // similar to above, not sure what the exact difference it.
#pragma clang diagnostic ignored "-Wsign-conversion" // warning : implicit conversion changes signedness //
#pragma clang diagnostic ignored "-Wcast-qual" // warning : cast from 'const xxxx *' to 'xxx *' drops const qualifier //
#if __has_warning("-Wcomma")
#pragma clang diagnostic ignored "-Wcomma" // warning : possible misuse of comma operator here //
#endif
@ -54,7 +55,7 @@
#pragma GCC diagnostic ignored "-Wunused-function" // warning: 'xxxx' defined but not used
#pragma GCC diagnostic ignored "-Wdouble-promotion" // warning: implicit conversion from 'float' to 'double' when passing argument to function
#pragma GCC diagnostic ignored "-Wconversion" // warning: conversion to 'xxxx' from 'xxxx' may alter its value
#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'xxxx' to type 'xxxx' casts away qualifiers
#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
#endif
//-------------------------------------------------------------------------

2
imgui_internal.h
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@ -113,7 +113,7 @@ IMGUI_API int ImStricmp(const char* str1, const char* str2);
IMGUI_API int ImStrnicmp(const char* str1, const char* str2, size_t count);
IMGUI_API void ImStrncpy(char* dst, const char* src, size_t count);
IMGUI_API char* ImStrdup(const char* str);
IMGUI_API char* ImStrchrRange(const char* str_begin, const char* str_end, char c);
IMGUI_API const char* ImStrchrRange(const char* str_begin, const char* str_end, char c);
IMGUI_API int ImStrlenW(const ImWchar* str);
IMGUI_API const ImWchar*ImStrbolW(const ImWchar* buf_mid_line, const ImWchar* buf_begin); // Find beginning-of-line
IMGUI_API const char* ImStristr(const char* haystack, const char* haystack_end, const char* needle, const char* needle_end);