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InputText: fixed gross buffer underflow introduced by a82f66a. (#3237, #952, #1062, #7363)

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Would typically not crash by detected by sanitinizers.
This commit is contained in:
ocornut
2025-09-10 19:00:05 +02:00
parent 2f1d1c8b2f
commit 013c4ed476
2 changed files with 2 additions and 2 deletions
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2
imstb_textedit.h
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@@ -582,7 +582,7 @@ static void stb_textedit_find_charpos(StbFindState *find, IMSTB_TEXTEDIT_STRING
STB_TEXTEDIT_LAYOUTROW(&r, str, i);
if (n < i + r.num_chars)
break;
if (str->LastMoveDirectionLR == ImGuiDir_Right && str->Stb->cursor == i + r.num_chars && STB_TEXTEDIT_GETCHAR(str, i + r.num_chars - 1) != STB_TEXTEDIT_NEWLINE) // [DEAR IMGUI] Wrapping point handling
if (str->LastMoveDirectionLR == ImGuiDir_Right && str->Stb->cursor > 0 && str->Stb->cursor == i + r.num_chars && STB_TEXTEDIT_GETCHAR(str, i + r.num_chars - 1) != STB_TEXTEDIT_NEWLINE) // [DEAR IMGUI] Wrapping point handling
break;
if (i + r.num_chars == z && z > 0 && STB_TEXTEDIT_GETCHAR(str, z - 1) != STB_TEXTEDIT_NEWLINE) // [DEAR IMGUI] special handling for last line
break; // [DEAR IMGUI]