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https://github.com/Hamlib/Hamlib
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1229a0a42a
Various strncpy operations could result in a port pathname that is not a NULL terminated string as the allowed string length is the same size as the buffer per the strncpy manual page. This is corrected by assuring that the allowed length is FILPATHLEN - 1.
93 lines
1.9 KiB
C
93 lines
1.9 KiB
C
/*
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* Hamlib sample program to test transceive mode (async event)
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*/
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <hamlib/rig.h>
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#define SERIAL_PORT "/dev/ttyS0"
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int myfreq_event(RIG *rig, vfo_t vfo, freq_t freq, rig_ptr_t arg)
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{
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int *count_ptr = (int *) arg;
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printf("Rig changed freq to %"PRIfreq"Hz\n", freq);
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*count_ptr += 1;
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return 0;
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}
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int main (int argc, char *argv[])
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{
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RIG *my_rig; /* handle to rig (nstance) */
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int retcode; /* generic return code from functions */
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int i, count = 0;
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if (argc != 2) {
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fprintf(stderr,"%s <rig_num>\n", argv[0]);
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exit(1);
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}
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printf("testrig:hello, I am your main() !\n");
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/*
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* allocate memory, setup & open port
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*/
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my_rig = rig_init(atoi(argv[1]));
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if (!my_rig) {
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fprintf(stderr,"Unknown rig num: %d\n",atoi(argv[1]));
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fprintf(stderr,"Please check riglist.h\n");
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exit(1); /* whoops! something went wrong (mem alloc?) */
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}
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strncpy(my_rig->state.rigport.pathname, SERIAL_PORT, FILPATHLEN - 1);
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if (rig_open(my_rig))
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exit(2);
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printf("Port %s opened ok\n", SERIAL_PORT);
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/*
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* Below are examples of set/get routines.
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* Must add checking of functionality map prior to command execution -- FS
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*
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*/
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retcode = rig_set_freq(my_rig, RIG_VFO_CURR, 439700000);
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if (retcode != RIG_OK ) {
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printf("rig_set_freq: error = %s \n", rigerror(retcode));
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}
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rig_set_freq_callback(my_rig, myfreq_event, (rig_ptr_t)&count);
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retcode = rig_set_trn(my_rig, RIG_TRN_RIG);
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if (retcode != RIG_OK ) {
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printf("rig_set_trn: error = %s \n", rigerror(retcode));
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}
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for (i=0;i<12;i++)
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{
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printf("Loop count: %d\n", i);
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sleep(10); /* or anything smarter */
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}
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printf("Frequency changed %d times\n", count);
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rig_close(my_rig); /* close port */
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rig_cleanup(my_rig); /* if you care about memory */
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printf("port %s closed ok \n",SERIAL_PORT);
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return 0;
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}
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