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Making sure that are not malloc empty string or image

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This commit is contained in:
Maicon Santana 2026-03-03 00:29:21 +00:00
parent 9b78594354
commit 5f8528b324
2 changed files with 48 additions and 37 deletions
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10
src/platforms/rcore_web.c
View File

@ -840,16 +840,19 @@ EM_ASYNC_JS(void, RequestClipboardData, (void), {
EM_JS(char*, GetLastPastedText, (void), { EM_JS(char*, GetLastPastedText, (void), {
var str = window._lastClipboardString || ""; var str = window._lastClipboardString || "";
var length = lengthBytesUTF8(str) + 1; var length = lengthBytesUTF8(str) + 1;
if (length > 1) {
var ptr = _malloc(length); var ptr = _malloc(length);
stringToUTF8(str, ptr, length); stringToUTF8(str, ptr, length);
return ptr; return ptr;
}
return 0;
}); });
// Returns the image created by RequestClipboardData from JS memory to Emscripten C memory // Returns the image created by RequestClipboardData from JS memory to Emscripten C memory
EM_JS(unsigned char*, GetLastPastedImage, (int* width, int* height), { EM_JS(unsigned char*, GetLastPastedImage, (int* width, int* height), {
if (!window._lastImgData) return 0; if (window._lastImgData) {
const data = window._lastImgData; const data = window._lastImgData;
if (data.length > 0) {
const ptr = _malloc(data.length); const ptr = _malloc(data.length);
HEAPU8.set(data, ptr); HEAPU8.set(data, ptr);
@ -862,6 +865,9 @@ EM_JS(unsigned char*, GetLastPastedImage, (int* width, int* height), {
window._lastImgData = null; window._lastImgData = null;
return ptr; return ptr;
}
}
return 0;
}); });
// Get clipboard text content // Get clipboard text content

11
src/platforms/rcore_web_emscripten.c
View File

@ -818,16 +818,19 @@ EM_ASYNC_JS(void, RequestClipboardData, (void), {
EM_JS(char*, GetLastPastedText, (void), { EM_JS(char*, GetLastPastedText, (void), {
var str = window._lastClipboardString || ""; var str = window._lastClipboardString || "";
var length = lengthBytesUTF8(str) + 1; var length = lengthBytesUTF8(str) + 1;
if (length > 1) {
var ptr = _malloc(length); var ptr = _malloc(length);
stringToUTF8(str, ptr, length); stringToUTF8(str, ptr, length);
return ptr; return ptr;
}
return 0;
}); });
// Returns the image created by RequestClipboardData from JS memory to Emscripten C memory // Returns the image created by RequestClipboardData from JS memory to Emscripten C memory
EM_JS(unsigned char*, GetLastPastedImage, (int* width, int* height), { EM_JS(unsigned char*, GetLastPastedImage, (int* width, int* height), {
if (!window._lastImgData) return 0; if (window._lastImgData) {
const data = window._lastImgData; const data = window._lastImgData;
if (data.length > 0) {
const ptr = _malloc(data.length); const ptr = _malloc(data.length);
HEAPU8.set(data, ptr); HEAPU8.set(data, ptr);
@ -840,6 +843,9 @@ EM_JS(unsigned char*, GetLastPastedImage, (int* width, int* height), {
window._lastImgData = null; window._lastImgData = null;
return ptr; return ptr;
}
}
return 0;
}); });
// Get clipboard text content // Get clipboard text content
@ -868,7 +874,6 @@ Image GetClipboardImage(void)
return image; return image;
} }
// Show mouse cursor // Show mouse cursor
void ShowCursor(void) void ShowCursor(void)
{ {