tasofro: allocate more space for char_select spellcards, and print

warnings in the logs when the buffers are too smalls.

thcrap_tasofro/src/csv.cpp

@@ -88,6 +88,9 @@ int patch_csv(char *file_inout, size_t size_out, size_t size_in, json_t *patch)
 			col = 0;
 		}
 	}
+	if (j > size_out) {
+		log_print("WARNING: buffer overflow in tasofro CSV patching (output buffer too small)!\n");
+	}
 
 #ifdef _DEBUG
 	FILE* fd = fopen("out.csv", "wb");

thcrap_tasofro/src/spellcards_generator.cpp

@@ -234,7 +234,7 @@ json_t* spell_char_select_generator(std::unordered_map<std::string, json_t*> in_
 		return NULL;
 	}
 
-	*out_size = json_string_length(spell_translation);
+	*out_size = json_string_length(spell_translation) * 2; // Escaped characters take more place
 	json_t *ret = json_pack("{s{ss}}", "0", "5", json_string_value(spell_translation));
 	json_decref(spell_translation);
 	return ret;

thcrap_tasofro/src/tfcs.cpp

@@ -136,6 +136,9 @@ int patch_tfcs(void *file_inout, size_t size_out, size_t size_in, json_t *patch)
 	size_out -= sizeof(header);
 	int ret = deflate_bytes(file_out_uncomp, file_out_uncomp_size, header->data, &size_out);
 	header->comp_size = size_out;
+	if (ret != Z_OK) {
+		log_printf("WARNING: tasofro CSV patching: compression failed with zlib error %d\n", ret);
+	}
 
 	HeapFree(GetProcessHeap(), 0, file_in_uncomp);
 	HeapFree(GetProcessHeap(), 0, file_out_uncomp);