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Add extra check to opened file opointer.
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@ -205,6 +205,11 @@ static void chat_onFileData(ToxWindow *self, Tox *m, int num, uint8_t filenum, u
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uint8_t *filename = friends[num].file_receiver.filenames[filenum];
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FILE *file_to_save = fopen(filename, "a");
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// we have a problem here, but don't let it segfault
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if (file_to_save == NULL) {
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return;
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}
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if (fwrite(data, length, 1, file_to_save) != 1) {
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wattron(ctx->history, COLOR_PAIR(RED));
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wprintw(ctx->history, "* Error writing to file.\n");
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