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Unconventional patch for sorting out empty output lines (produced by … #7

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Unconventional patch for sorting out empty output lines (produced by … #7

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5b742d7
Unconventional patch for sorting out empty output lines (produced by …
Dec 16, 2021
b47560c
Simple pause command logic for cocomm script files added.
Dec 22, 2021
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19 changes: 18 additions & 1 deletion cocomm/cocomm.c
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Original file line number Diff line number Diff line change
Expand Up @@ -427,7 +427,24 @@ int main (int argc, char *argv[]) {

while(fgets(commBuf, BUF_SIZE, fp) != NULL) {
size_t len = strlen(commBuf);
if (len < 1) continue;
if (len < 2) continue; // Sort out lines like "\n".
if (commBuf[0] == '#') continue; // Sort out lines starting with '#'.
if (commBuf[0] == 'P') {
// Pause script execution for given time [ms] in case line starts with 'P' followed by an unsigned integer.
uint32_t millis = 1;
uint8_t p = '\0';
uint32_t result = sscanf(commBuf, "%c %u", &p, &millis);
fprintf(errStream, "result = %u\n", result);
if (2 != result) {
fprintf(errStream, "syntax error on 'P'ause command\n");
fflush(errStream);
exit(EXIT_FAILURE);
}
fprintf(stdout, "pause %u msec...\n", millis);
fflush(stdout);
usleep(millis * 1000);
continue;
}

// send command
if (write(fd_gtw, commBuf, len) != len) { /* blocking function */
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