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Add extra check to opened file opointer.

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AZ Huang 2013-11-28 03:31:10 +08:00
parent bb5ee93c88
commit f71f07b0ad
1 changed files with 5 additions and 0 deletions
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src/chat.c
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@ -205,6 +205,11 @@ static void chat_onFileData(ToxWindow *self, Tox *m, int num, uint8_t filenum, u
uint8_t *filename = friends[num].file_receiver.filenames[filenum]; uint8_t *filename = friends[num].file_receiver.filenames[filenum];
FILE *file_to_save = fopen(filename, "a"); FILE *file_to_save = fopen(filename, "a");
// we have a problem here, but don't let it segfault
if (file_to_save == NULL) {
return;
}
if (fwrite(data, length, 1, file_to_save) != 1) { if (fwrite(data, length, 1, file_to_save) != 1) {
wattron(ctx->history, COLOR_PAIR(RED)); wattron(ctx->history, COLOR_PAIR(RED));
wprintw(ctx->history, "* Error writing to file.\n"); wprintw(ctx->history, "* Error writing to file.\n");