Tha_14/toxic
1
0
Fork 0
mirror of https://github.com/Tha14/toxic.git synced 2025-12-07 12:46:34 +01:00
Code Issues Projects Releases Wiki Activity

Convert all variable length arrays to heap allocations

Browse Source 
VLA's are inherently unsafe so the safest option is to not use them
This commit is contained in:
jfreegman
2020-10-28 00:54:06 -04:00
parent ff1620c923
commit 2b43340c90
12 changed files with 355 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/avatars.c
View File

@@ -196,17 +196,26 @@ void on_avatar_chunk_request(Tox *m, struct FileTransfer *ft, uint64_t position,
ft->position = position;
}
uint8_t send_data[length];
size_t send_length = fread(send_data, 1, sizeof(send_data), ft->file);
uint8_t *send_data = malloc(length);
if (send_data == NULL) {
close_file_transfer(NULL, m, ft, TOX_FILE_CONTROL_CANCEL, NULL, silent);
return;
}
size_t send_length = fread(send_data, 1, length, ft->file);
if (send_length != length) {
close_file_transfer(NULL, m, ft, TOX_FILE_CONTROL_CANCEL, NULL, silent);
free(send_data);
return;
}
Tox_Err_File_Send_Chunk err;
tox_file_send_chunk(m, ft->friendnum, ft->filenum, position, send_data, send_length, &err);
free(send_data);
if (err != TOX_ERR_FILE_SEND_CHUNK_OK) {
fprintf(stderr, "tox_file_send_chunk failed in avatar callback (error %d)\n", err);
}