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More fixes. I split this up because I cared. 

I wrote these messages because I didn't.
This commit is contained in:
Quinn Evans 2015-10-02 21:11:21 -06:00
parent 24f84f02b6
commit d4096da49d
1 changed files with 24 additions and 7 deletions
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31
channel.c
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@ -47,8 +47,11 @@ void channel_from_cobol(char *cobol_buffer)
memcpy(buf, cobol_buffer, CELL_DIGITS);
int i;
for(i = 0; strcmp(buf, "000") && i < BUFFER_SIZE; memcpy(buf, cobol_buffer + ++i * CELL_DIGITS, CELL_DIGITS)) {
for(i = 0; i < BUFFER_SIZE; memcpy(buf, cobol_buffer + ++i * CELL_DIGITS, CELL_DIGITS)) {
msg_buf[i] = (char)strtol(buf, NULL, 10);
if(!msg_buf[i]) {
break;
}
}
msg_buf[i] = '\0';
if (i == BUFFER_SIZE) {
@ -69,11 +72,16 @@ void channel_from_cobol(char *cobol_buffer)
void channel_to_cobol(char *cobol_buffer)
{
char buf[CELL_DIGITS + 1];
for(int i = 0; i < BUFFER_SIZE && msg_buf[i]; i++) {
int i;
for(i = 0; i < BUFFER_SIZE - 1
&& msg_buf[i]
&& msg_buf[i] != '\n'
&& msg_buf[i] != '\r'
&& msg_buf[i]; i++) {
snprintf(buf, CELL_DIGITS + 1, "%.*hhu", CELL_DIGITS, msg_buf[i]);
memcpy(cobol_buffer + i * CELL_DIGITS, buf, CELL_DIGITS);
}
memset(cobol_buffer + (BUFFER_SIZE - 1) * CELL_DIGITS, (int)'0', CELL_DIGITS);
memset(cobol_buffer + i * CELL_DIGITS, (int)'0', CELL_DIGITS);
return;
}
@ -93,6 +101,9 @@ void channel_string_to_cobol(char *cobol_buffer, const char *s)
void CHANNEL__OPEN(char *cobol_buffer, char *state)
{
channel_from_cobol(cobol_buffer);
#ifdef DEBUG
printf("CHANNEL__OPEN: %s\n", msg_buf);
#endif
if(!strlen(msg_buf)) {
channel_string_to_cobol(cobol_buffer, "No host specified");
channel_set_status(state, EBADDEST);
@ -156,17 +167,20 @@ void CHANNEL__SEND(char *cobol_buffer, char *state)
int sent, total;
channel_from_cobol(cobol_buffer);
#ifdef DEBUG
printf("Sending: %s\n", msg_buf);
printf("Got from COBOL: %s\n", msg_buf);
#endif
sent = 0;
total = strlen(msg_buf);
if(msg_buf[total - 2] != '\n') {
if(msg_buf[total - 1] != '\n') {
if(total < BUFFER_SIZE) {
total++;
}
msg_buf[total - 2] = '\n';
msg_buf[total - 1] = '\0';
msg_buf[total - 1] = '\n';
msg_buf[total] = '\0';
}
#ifdef DEBUG
printf("Sending: %s\n", msg_buf);
#endif
while(sent < total) {
int status = send(sockfd, msg_buf + sent, total - sent, 0);
if(status == -1) {
@ -208,6 +222,9 @@ void CHANNEL__RECV(char *cobol_buffer, char *state)
#endif
channel_to_cobol(cobol_buffer);
channel_set_status(state, 0);
#ifdef DEBUG
printf("Line converted to COBOL ASCII string.\n");
#endif
return;
}
if(recv_buf_pos < RECV_BUF_SIZE - 1) {