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-rw-r--r--lib/odbc/c_src/odbcserver.c29
1 files changed, 18 insertions, 11 deletions
diff --git a/lib/odbc/c_src/odbcserver.c b/lib/odbc/c_src/odbcserver.c
index be4e1bbeec..f4b0a5d8d0 100644
--- a/lib/odbc/c_src/odbcserver.c
+++ b/lib/odbc/c_src/odbcserver.c
@@ -1802,10 +1802,23 @@ static int read_exact(byte *buffer, int len) {
#endif
+static size_t length_buffer_to_size(byte length_buffer[LENGTH_INDICATOR_SIZE])
+{
+ size_t size = 0, i;
+
+ for (i = 0; i < LENGTH_INDICATOR_SIZE; ++i) {
+ size <<= 8;
+ size |= (unsigned char)length_buffer[i];
+ }
+
+ return size;
+}
+
+
/* Recieive (read) data from erlang on stdin */
static byte * receive_erlang_port_msg(void)
{
- int i, len = 0;
+ size_t len;
byte *buffer;
byte lengthstr[LENGTH_INDICATOR_SIZE];
@@ -1814,10 +1827,8 @@ static byte * receive_erlang_port_msg(void)
{
DO_EXIT(EXIT_STDIN_HEADER);
}
- for(i=0; i < LENGTH_INDICATOR_SIZE; i++) {
- len <<= 8;
- len |= lengthstr[i];
- }
+
+ len = length_buffer_to_size(lengthstr);
if (len <= 0 || len > 1024) {
DO_EXIT(EXIT_STDIN_HEADER);
@@ -1918,8 +1929,7 @@ static byte * receive_msg(int socket)
#endif
{
byte lengthstr[LENGTH_INDICATOR_SIZE];
- size_t msg_len = 0;
- int i;
+ size_t msg_len;
byte *buffer = NULL;
if(!receive_msg_part(socket, lengthstr, LENGTH_INDICATOR_SIZE)) {
@@ -1927,10 +1937,7 @@ static byte * receive_msg(int socket)
DO_EXIT(EXIT_SOCKET_RECV_HEADER);
}
- for(i = 0; i < LENGTH_INDICATOR_SIZE; i++) {
- msg_len <<= 8;
- msg_len |= lengthstr[i];
- }
+ msg_len = length_buffer_to_size(lengthstr);
buffer = (byte *)safe_malloc(msg_len);