Agilent Technologies n5181a - Page 124

114 Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide
Programming Examples
LAN Programming Interface Examples
/**************************************************************************
* recv_line(): similar to fgets(), but uses recv()
**************************************************************************/
char * recv_line(SOCKET sock, char * result, int maxLength)
{
#ifdef WINSOCK
int cur_length = 0;
int count;
char * ptr = result;
int err = 1;
while (cur_length < maxLength) {
/* Get a byte into ptr */
count = recv(sock, ptr, 1, 0);
/* If no chars to read, stop. */
if (count < 1) {
break;
}
cur_length += count;
/* If we hit a newline, stop. */
if (*ptr == '\n') {
ptr++;
err = 0;
break;
}
ptr++;
}
*ptr = '\0';
if (err) {
return NULL;
} else {
return result;
}
#else
/***********************************************************************