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(Breaking) Internals: ImStricmp/ImStrnicmp returned opposite sign when strings were different + ones in Demo.

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Main functions unused by core imgui, so not strictly changing anything.
Demo functions were only comparing to 0.
This commit is contained in:
ocornut 2026-10-16 16:43:40 +02:00
parent 9d9a621f33
commit 4be0b47ecc
2 changed files with 4 additions and 4 deletions
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4
imgui.cpp
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@ -2265,14 +2265,14 @@ ImVec2 ImTriangleClosestPoint(const ImVec2& a, const ImVec2& b, const ImVec2& c,
int ImStricmp(const char* str1, const char* str2)
{
int d;
while ((d = ImToUpper(*str2) - ImToUpper(*str1)) == 0 && *str1) { str1++; str2++; }
while ((d = ImToUpper(*str1) - ImToUpper(*str2)) == 0 && *str1) { str1++; str2++; }
return d;
}
int ImStrnicmp(const char* str1, const char* str2, size_t count)
{
int d = 0;
while (count > 0 && (d = ImToUpper(*str2) - ImToUpper(*str1)) == 0 && *str1) { str1++; str2++; count--; }
while (count > 0 && (d = ImToUpper(*str1) - ImToUpper(*str2)) == 0 && *str1) { str1++; str2++; count--; }
return d;
}

4
imgui_demo.cpp
View File

@ -9211,8 +9211,8 @@ struct ExampleAppConsole
}
// Portable helpers
static int Stricmp(const char* s1, const char* s2) { int d; while ((d = toupper(*s2) - toupper(*s1)) == 0 && *s1) { s1++; s2++; } return d; }
static int Strnicmp(const char* s1, const char* s2, int n) { int d = 0; while (n > 0 && (d = toupper(*s2) - toupper(*s1)) == 0 && *s1) { s1++; s2++; n--; } return d; }
static int Stricmp(const char* s1, const char* s2) { int d; while ((d = toupper(*s1) - toupper(*s2)) == 0 && *s1) { s1++; s2++; } return d; }
static int Strnicmp(const char* s1, const char* s2, int n) { int d = 0; while (n > 0 && (d = toupper(*s1) - toupper(*s2)) == 0 && *s1) { s1++; s2++; n--; } return d; }
static char* Strdup(const char* s) { IM_ASSERT(s); size_t len = strlen(s) + 1; void* buf = ImGui::MemAlloc(len); IM_ASSERT(buf); return (char*)memcpy(buf, (const void*)s, len); }
static void Strtrimblanks(char* s) { char* str_end = s + strlen(s); while (str_end > s && str_end[-1] == ' ') str_end--; *str_end = 0; }