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/*
* write.c
*
* Write data to the voice modem device.
*
* $Id: write.c,v 1.6 2000/06/11 16:24:41 marcs Exp $
*
*/
#include "../include/voice.h"
#if !defined(NeXT) || defined(NEXTSGTTY)
# ifdef USE_VARARGS
# include <varargs.h>
# else
# include <stdarg.h>
# endif
#else
# include "../include/NeXT.h"
#endif
#ifdef USE_VARARGS
int voice_write(format, va_alist)
const char *format;
va_dcl
#else
int voice_write(const char *format, ...)
#endif
{
va_list arguments;
char command[VOICE_BUF_LEN];
#ifdef USE_VARARGS
va_start(arguments);
#else
va_start(arguments, format);
#endif
vsprintf(command, format, arguments);
va_end(arguments);
lprintf(L_JUNK, "%s: %s", program_name, command);
if (voice_write_raw(command, strlen(command)) == FAIL)
return(FAIL);
if (voice_write_char(CR) == FAIL)
return(FAIL);
return(OK);
}
int voice_write_char(char charout)
{
time_t timeout;
timeout = time(NULL) + cvd.port_timeout.d.i;
while (timeout >= time(NULL))
{
int result;
result = write(voice_fd, &charout, 1);
if (result == 1)
return(OK);
if ((result < 0) && (errno != 0) && (errno != EINTR) && (errno !=
EAGAIN))
{
lprintf(L_WARN, "%s: could not write character to voice modem",
program_name);
return(FAIL);
};
};
lprintf(L_WARN, "%s: timeout while writing character to voice modem",
program_name);
return(FAIL);
}
int voice_write_raw(char *buffer, int count)
{
time_t timeout;
int result;
timeout = time(NULL) + cvd.port_timeout.d.i;
while ((timeout >= time(NULL)) && (count > 0))
{
result = write(voice_fd, buffer, count);
if ((result < 0) && (errno != 0) && (errno != EINTR) && (errno !=
EAGAIN))
{
lprintf(L_WARN, "%s: could not write buffer to voice modem",
program_name);
return(FAIL);
};
if (result > 0)
{
buffer += result;
count -= result;
};
if (result == 0 || (result < 0 && errno == EAGAIN))
delay(cvd.poll_interval.d.i);
voice_check_events();
};
if (count == 0)
return(OK);
lprintf(L_WARN, "%s: timeout while writing buffer to voice modem",
program_name);
return(FAIL);
}
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