-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <unistd.h>
-#include <string.h>
+#include <errno.h>
+#include <fcntl.h>
#include <getopt.h>
#include <signal.h>
-#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
#include <pthread.h>
-#include <fcntl.h>
#include <sys/ioctl.h>
#ifdef __linux__
#include <asm/termbits.h>
#include <asm/ioctls.h>
-#else
+#else
#include <termios.h>
#endif
#endif
#define IXONXOFF (IXON | IXOFF)
+typedef struct {
+ ssize_t sizem;
+ char find;
+ char input;
+ int offset;
+} Args;
+
static int gettermattr(int dv, void *strct);
-static int settermattr(int dv, void *strct);
-static void settermspd(unsigned int lispeed, unsigned int lospeed, void *strct);
+static int settermattr(int dv, const void *strct);
+static void settermspd(unsigned int lispeed, unsigned int lospeed, const void *strct);
static int openport();
-static unsigned int strtoui(const char *str, const char *msg, const unsigned int min);
-static int troptions(crlfopt *options, const char *str);
+static unsigned int strtoui(const char *str, const char *msg, unsigned int min);
+static int troptions(CRLFOpt *options, const char *str);
static int setroptions();
static inline int termchck(const void *term);
static void interchck();
static void cechck();
-static void sighandl(const int signo);
-static void die(const int code, const char *msg, ...);
static void *writeport(void *unused);
static void *readport(void *unused);
-static inline void replacechar(char *str, ssize_t size, const char find, const char repl);
-static inline ssize_t addchar(char *str, int *scratch, ssize_t size, const size_t bsize, const char find, const char inp, const int offset);
-static inline ssize_t rmchar(char *str, int *scratch, ssize_t size, const char find);
static void getcmd(int escape);
+static inline void replacechar(char *buff, ssize_t sread, const Args *args);
+static inline ssize_t addchar(char *buff, ssize_t sread, int *scratch, const Args *args);
+static inline ssize_t rmchar(char *buff, ssize_t sread, int *scratch, const Args *args);
+static void sighandl(int signo);
+static void die(int code, const char *msg, ...);
#ifdef __linux__
static struct termios2 cntrl, origterm = {0}, newterm = {0};
static int fd = -1;
static int interactive = 0;
-int
-main(int argc, char **argv)
-{
- for (int i = 1; i < argc; i++ ) {
- if (argv[i][0] == '-' && argv[i][1] >= '0' && argv[i][1] <= '9') {
- char *t = NULL;
- /* glibc's `asprintf()` won't set the string to NULL on failure automatically */
- asprintf(&t, "-s%s", argv[i] + 1);
- if (!t) {
- fprintf(stderr, "cannot convert -# to -s#\n");
- break;
- }
- argv[i] = t;
- free(t);
- }
- }
-
- static struct option longopt[] = {
- {"line", required_argument, NULL, 'l'},
- {"speed", required_argument, NULL, 's'},
- {"rx-speed", required_argument, NULL, 'i'},
- {"echo", no_argument, NULL, 'h'},
- {"canonical", no_argument, NULL, 'c'},
- {"odd", no_argument, NULL, 'o'},
- {"even", no_argument, NULL, 'e'},
- {"hardware-rts-cts", no_argument, NULL, 'R'},
- {"hardware-dtr-dsr", no_argument, NULL, 'r'},
- {"software", no_argument, NULL, 'X'},
- {"data", required_argument, NULL, 'D'},
- {"delay", required_argument, NULL, 'd'},
- {"min-chars", required_argument, NULL, 'm'},
- {"stop-bits", no_argument, NULL, 'S'},
- {"backspace", no_argument, NULL, 'b'},
- {"translation", required_argument, NULL, 't'},
- {"input-translation", required_argument, NULL, 'T'},
- {"verbose", no_argument, NULL, 'v'},
- {NULL, 0, NULL, 0}
- };
-
- unsigned int tui;
- int oind = 0, rxspdset = 0, devset = 0, c;
- while ((c = getopt_long(argc, argv, "bcd:D:ehi:l:m:oRrs:t:T:vX", longopt, &oind)) != -1) {
- switch (c) {
- case 0:
- break;
- case 'b':
- backspace ^= 1; break;
- case 'c':
- canonical ^= 1; break;
- case 'R':
- hard ^= 1; break;
- case 'r':
- hard ^= 2; break;
- case 'X':
- soft ^= 1; break;
- case 'd':;
- char* endptr;
- long t;
- t = strtol(optarg, &endptr, 10);
- if (errno != 0 || *endptr != '\0' || t < 0) {
- fprintf(stderr, "invalid character delay\n");
- goto ustusage;
- } else {
- chardelay = t;
- }
- break;
- case 'D':
- if (strlen(optarg) != 1 || !(optarg[0] >= '5' && optarg[0] <= '8')) {
- fprintf(stderr, "invalid number of data bits: %s\n", optarg);
- goto ustusage;
- } else {
- datab = optarg[0];
- }
- break;
- case 'e':
- parity ^= 1; break;
- case 'o':
- parity ^= 2; break;
- case 'h':
- half ^= 1; break;
- case 'i':
- tui = strtoui(optarg, "invalid rx speed: %s\n", 1);
- if (tui == uintmax)
- goto ustusage;
- ispeed = tui;
- rxspdset = 1;
- break;
- case 's':
- tui = strtoui(optarg, "invalid speed: %s\n", 1);
- if (tui == uintmax)
- goto ustusage;
- ospeed = tui;
- break;
- case 'S':
- stopb ^= 1; break;
- case 'l':
- if (devset) {
- fprintf(stderr, "cannot specify multiple devices\n");
- goto ustusage;
- }
- if (strlen(optarg) > 10) {
- fprintf(stderr, "device name too long\n");
- goto ustusage;
- }
- if (strchr(optarg, '/')) {
- strcpy(line, optarg);
- devset = 1;
- } else {
- sprintf(line, "/dev/%s", optarg);
- devset = 1;
- }
- break;
- case 'm':
- tui = strtoui(optarg, "invalid number of characters: %s\n", 1);
- if (tui == uintmax)
- goto ustusage;
- minchars = tui;
- break;
- case 't':
- if (troptions(&tropts, optarg))
- goto ustusage;
- break;
- case 'T':
- if (troptions(&itropts, optarg))
- goto ustusage;
- break;
- case 'v':
- verbose ^= 1; break;
- default:
- ustusage:
- die(2, "usage: %s [--line|-l line] [--speed|-s #|-#] [--rx-speed|-i #]\n"
- " [--data-bits|-D #] [--stop-bits|-S]"
- " [--even|-e] [--odd|-o]\n"
- " [--hardware-rts-cts|-R]"
- " [--hardware-dtr-dsr|-r] [--software|-X]\n"
- " [--delay|-d #] [--min-chars|-m #]"
- " [--canonical|-c] [--echo|-h]\n"
- " [--translation|-t tropt]"
- " [--input-translation|-T tropt]\n"
- " [--verbose|-v] [--backspace|-b]\n",
- argv[0]);
- break;
- }
-
-
- }
-
- if (!rxspdset)
- ispeed = ospeed;
-
- if (isatty(STDIN_FILENO) || isatty(STDOUT_FILENO))
- interactive = 1;
-
- signal(SIGHUP, sighandl);
- signal(SIGINT, sighandl);
- signal(SIGQUIT, sighandl);
- signal(SIGTERM, sighandl);
-
- fd = openport();
-
- pthread_t readthread, writethread;
- pthread_create(&writethread, NULL, writeport, NULL);
- pthread_create(&readthread, NULL, readport, NULL);
-}
-
int
gettermattr(int dv, void *strct)
{
}
int
-settermattr(int dv, void *strct)
+settermattr(int dv, const void *strct)
{
#ifdef __linux__
struct termios2 *optst = (struct termios2*)strct;
}
void
-settermspd(unsigned int lispeed, unsigned int lospeed, void *strct)
+settermspd(unsigned int lispeed, unsigned int lospeed, const void *strct)
{
#ifdef __linux__
struct termios2 *optst = (struct termios2*)strct;
}
unsigned int
-strtoui(const char *str, const char *msg, const unsigned int min)
+strtoui(const char *str, const char *msg, unsigned int min)
{
long t;
char *endptr;
}
int
-troptions(crlfopt *options, const char *str)
+troptions(CRLFOpt *options, const char *str)
{
switch (str[0]) {
case 'l':
int escape = 0;
+
+ Args bsargs, nocrargs, nolfargs, lfincrargs;
+ bsargs.sizem = wbuffsz;
+ nocrargs = nolfargs = lfincrargs = bsargs;
+
+ bsargs.find=backspc; bsargs.input=tbackspc;
+
+ nocrargs.find = CR;
+ nolfargs.find = LF;
+
+ lfincrargs.find = CR; lfincrargs.input = LF; lfincrargs.offset = 1;
+
for (;;) {
ssize_t inln = read(STDIN_FILENO, writebuff, wbuffsz - 1);
if (inln > 0) {
}
if (backspc != tbackspc)
- replacechar(writebuff, inln, backspc, tbackspc);
+ replacechar(writebuff, inln, &bsargs);
if (tropts.nocr)
- inln = rmchar(writebuff, scratchw, inln, CR);
+ inln = rmchar(writebuff, inln, scratchw, &nocrargs);
if (tropts.nolf)
- inln = rmchar(writebuff, scratchw, inln, LF);
+ inln = rmchar(writebuff, inln, scratchw, &nolfargs);
if (tropts.lfincr)
- inln = addchar(writebuff, scratchw, inln, wbuffsz, CR, LF, 1);
+ inln = addchar(writebuff, inln, scratchw, &lfincrargs);
if (inln > 1) {
for (int i = 0; i <= inln; i++) {
interchck();
+ Args nocrargs, nolfargs, crinlfargs, lfincrargs;
+ nocrargs.sizem = rbuffsz;
+ nolfargs = crinlfargs = lfincrargs = nocrargs;
+
+ nocrargs.find = CR;
+ nolfargs.find = LF;
+
+ lfincrargs.find = CR; lfincrargs.input = LF; lfincrargs.offset = 1;
+ crinlfargs.find = LF; crinlfargs.input = CR; crinlfargs.offset = -1;
+
+
/* disable stdout buffering */
setvbuf(stdout, NULL, _IONBF, 0);
ssize_t outln = read(fd, readbuff, rbuffsz - 1);
if (outln > 0) {
if (itropts.nocr)
- outln = rmchar(readbuff, scratchw, outln, CR);
+ outln = rmchar(readbuff, outln, scratchr, &nocrargs);
if (itropts.nolf)
- outln = rmchar(readbuff, scratchw, outln, LF);
+ outln = rmchar(readbuff, outln, scratchr, &nolfargs);
if (itropts.crinlf)
- outln = addchar(readbuff, scratchw, outln, rbuffsz, LF, CR, -1);
+ outln = addchar(readbuff, outln, scratchr, &crinlfargs);
if (itropts.lfincr)
- outln = addchar(readbuff, scratchw, outln, rbuffsz, CR, LF, 1);
+ outln = addchar(readbuff, outln, scratchr, &lfincrargs);
write(STDOUT_FILENO, readbuff, outln);
}
}
inline void __attribute__((hot))
-replacechar(char *str, ssize_t size, const char find, const char repl)
+replacechar(char *buff, ssize_t size, const Args *args)
{
for (int i = 0; i < size; i++)
- if (str[i] == find)
- str[i] = repl;
+ if (buff[i] == args->find)
+ buff[i] = args->input;
}
/* TODO: optimize the function and allow for offsets greater than 1 */
inline ssize_t __attribute__((hot))
-addchar(char *str, int *scratch, ssize_t size, const size_t bsize,const char find, const char inp, const int offset)
+addchar(char *buff, ssize_t size, int *scratch, const Args *args)
{
int c = 0;
+
for (int i = 0; i < size; i++) {
- if (str[i] == find) {
+ if (buff[i] == args->find) {
scratch[c] = i;
c++;
}
}
if (!c)
return(size);
- if ((size + c) > bsize)
- c = bsize - size;
+ if ((size + c) > args->sizem)
+ c = args->sizem - size;
- if (scratch[0] == 0 && offset < 0) {
- memmove(&str[0]+1, &str[0], size);
+ if (scratch[0] == 0 && args->offset < 0) {
+ memmove(&buff[0]+1, &buff[0], size);
scratch[0] = 1;
}
for (int i = c; i > 0; i--) {
- for (int s = size; s >= scratch[i]; s--)
- str[s + offset] = str[s];
- str[scratch[i]] = inp;
+ int t = scratch[i];
+ for (int s = size; s >= t;s--)
+ buff[s + args->offset] = buff[s];
+ buff[t] = args->input;
}
return (size + c);
}
inline ssize_t __attribute__((hot))
-rmchar(char *str, int *scratch, ssize_t size, const char find)
+rmchar(char *buff, ssize_t size, int *scratch, const Args *args)
{
int c = 0;
+
for (int i = 0; i < size; i++) {
- if (str[i] == find) {
+ if (buff[i] == args->find) {
scratch[c] = i;
c++;
}
for (int i = c; i > 0; i--)
for (int s = size; s >= scratch[i]; s--)
- str[s] = str[s + 1];
+ buff[s] = buff[s + 1];
return(size - c);
}
void
getcmd(int escape)
{
+ Args rmlf;
char cmdchar;
char ttr[64];
unsigned int tspd;
+ rmlf.find = LF; rmlf.input = '\0';
+
if (isatty(STDIN_FILENO) || isatty(STDOUT_FILENO))
interactive = 1;
cmdchar = writebuff[1];
switch (cmdchar) {
- case '.':
- die(0,"\n[EOT]\n");
- break;
- case 'b':
- if (backspace)
- tbackspc = DEL;
- else
- tbackspc = BS;
- backspace = !backspace;
- break;
- case 'h':
- if (half)
- newterm.c_lflag &= ~ECHO;
- else
- newterm.c_lflag |= ECHO;
- half = !half;
- if (settermattr(STDOUT_FILENO, &newterm) < 0)
- die(1, "failed to set terminal attributes\n");
- break;
- case 'c':
- if (canonical)
- newterm.c_lflag &= ~ICANON;
- else
- newterm.c_lflag |= ICANON;
- canonical = !canonical;
- if (settermattr(STDOUT_FILENO, &newterm) < 0)
- die(1, "failed to set terminal attributes\n");
- break;
- case 'w':
- cechck();
- if (fgets(ttr, sizeof(ttr), stdin) != NULL) {
- replacechar(ttr, 63, LF, '\0');
- ssize_t frln;
- int wfd = open(ttr, O_RDONLY);
- if (fd == -1) {
- perror("error opening file");
- break;
- }
-
- while ((frln = read(wfd, writebuff, wbuffsz - 1)) > 0) {
- for (int i = 0; i <= frln; i++) {
- write(fd, &writebuff[i], 1);
- nanosleep(&wts, NULL);
- }
- }
- }
- goto finish;
- case 's':
- cechck();
- if (fgets(ttr, sizeof(ttr), stdin) != NULL) {
- replacechar(ttr, 63, LF, '\0');
- tspd = strtoui(ttr, "invalid speed\n", 0);
- if (tspd != uintmax) {
- ospeed = ispeed = tspd;
- settermspd(ispeed, ospeed, &cntrl);
- if (settermattr(fd, &cntrl) != 0) {
- fprintf(stderr, "failed to set baudrate [RX:%u | TX:%u]\n", ispeed, ospeed);
- }
- }
+ case '.':
+ die(0,"\n[EOT]\n");
+ break;
+ case 'b':
+ if (backspace)
+ tbackspc = DEL;
+ else
+ tbackspc = BS;
+ backspace = !backspace;
+ break;
+ case 'h':
+ if (half)
+ newterm.c_lflag &= ~ECHO;
+ else
+ newterm.c_lflag |= ECHO;
+ half = !half;
+ if (settermattr(STDOUT_FILENO, &newterm) < 0)
+ die(1, "failed to set terminal attributes\n");
+ break;
+ case 'c':
+ if (canonical)
+ newterm.c_lflag &= ~ICANON;
+ else
+ newterm.c_lflag |= ICANON;
+ canonical = !canonical;
+ if (settermattr(STDOUT_FILENO, &newterm) < 0)
+ die(1, "failed to set terminal attributes\n");
+ break;
+ case 'w':
+ cechck();
+ if (fgets(ttr, sizeof(ttr), stdin) != NULL) {
+ replacechar(ttr, 63, &rmlf);
+ ssize_t frln;
+ int wfd = open(ttr, O_RDONLY);
+ if (fd == -1) {
+ perror("error opening file");
+ break;
}
- goto finish;
- case 'd':
- cechck();
- if (fgets(ttr, sizeof(ttr), stdin) != NULL) {
- replacechar(ttr, 63, LF, '\0');
- chardelay = strtoui(ttr, "invalid delay\n", 0);
- if (chardelay != uintmax) {
- wts.tv_sec = 0;
- wts.tv_nsec = chardelay;
+ while ((frln = read(wfd, writebuff, wbuffsz - 1)) > 0) {
+ for (int i = 0; i <= frln; i++) {
+ write(fd, &writebuff[i], 1);
+ nanosleep(&wts, NULL);
}
}
- goto finish;
- case 't':
- cechck();
- fprintf(stderr, "additional output translation option: ");
- if (fgets(ttr, sizeof(ttr), stdin) != NULL) {
- replacechar(ttr, 63, LF, '\0');
- if(troptions(&tropts, ttr))
- goto finish;
- if (setroptions())
- fprintf(stderr, "could not set new options\n");
-
- }
- goto finish;
- case 'T':
- cechck();
- printf("additional input translation option: ");
- if (fgets(ttr, sizeof(ttr), stdin) != NULL) {
- replacechar(ttr, 63, LF, '\0');
- if (troptions(&itropts, ttr))
- goto finish;
- if (setroptions())
- fprintf(stderr, "could not set new options\n");
- }
- finish:
- if (!half && interactive)
- newterm.c_lflag &= ~ECHO;
- if (!canonical && interactive)
- newterm.c_lflag &= ~ICANON;
- settermattr(STDIN_FILENO, &newterm);
- break;
- case 'p':;
- int st;
- struct timespec ts;
- ts.tv_sec = spulsedelay;
- ts.tv_nsec = nspulsedelay;
-
- if (ioctl(fd, TIOCMGET, &st) != 0) {
- fprintf(stderr, "failed to get port status\n");
- break;
+ }
+ goto finish;
+ case 's':
+ cechck();
+ if (fgets(ttr, sizeof(ttr), stdin) != NULL) {
+ replacechar(ttr, 63, &rmlf);
+ tspd = strtoui(ttr, "invalid speed\n", 0);
+ if (tspd != uintmax) {
+ ospeed = ispeed = tspd;
+ settermspd(ispeed, ospeed, &cntrl);
+ if (settermattr(fd, &cntrl) != 0)
+ fprintf(stderr, "failed to set baudrate "
+ "[RX:%u | TX:%u]\n", ispeed, ospeed);
}
- st ^= TIOCM_DTR;
- if (ioctl(fd, TIOCMSET, &st) != 0) {
- fprintf(stderr, "failed to set DTR [assertion]\n");
- break;
+ }
+ goto finish;
+ case 'd':
+ cechck();
+ if (fgets(ttr, sizeof(ttr), stdin) != NULL) {
+ replacechar(ttr, 63, &rmlf);
+ chardelay = strtoui(ttr, "invalid delay\n", 0);
+ if (chardelay != uintmax) {
+ wts.tv_sec = 0;
+ wts.tv_nsec = chardelay;
}
-
- nanosleep(&ts, NULL);
-
- st ^= TIOCM_DTR;
- if (ioctl(fd, TIOCMSET, &st) != 0)
- fprintf(stderr, "failed to set DTR [negation]\n");
- break;
- case BS:
- case DEL:
- case ESC:
+ }
+ goto finish;
+ case 't':
+ cechck();
+ fprintf(stderr, "additional output translation option: ");
+ if (fgets(ttr, sizeof(ttr), stdin) != NULL) {
+ replacechar(ttr, 63, &rmlf);
+ if(troptions(&tropts, ttr))
+ goto finish;
+ if (setroptions())
+ fprintf(stderr, "could not set new options\n");
+ }
+ goto finish;
+ case 'T':
+ cechck();
+ printf("additional input translation option: ");
+ if (fgets(ttr, sizeof(ttr), stdin) != NULL) {
+ replacechar(ttr, 63, &rmlf);
+ if (troptions(&itropts, ttr))
+ goto finish;
+ if (setroptions())
+ fprintf(stderr, "could not set new options\n");
+ }
+ finish:
+ if (!half && interactive)
+ newterm.c_lflag &= ~ECHO;
+ if (!canonical && interactive)
+ newterm.c_lflag &= ~ICANON;
+ if (settermattr(STDIN_FILENO, &newterm) == -1)
+ fprintf(stderr, "failed to restore echo and/or canonical mode\n");
+ break;
+ case 'p':;
+ int st;
+ struct timespec ts;
+ ts.tv_sec = spulsedelay;
+ ts.tv_nsec = nspulsedelay;
+
+ if (ioctl(fd, TIOCMGET, &st) != 0) {
+ fprintf(stderr, "failed to get port status\n");
break;
- default:
- fprintf(stderr, "not a valid command [%c]\n", cmdchar);
+ }
+ st ^= TIOCM_DTR;
+ if (ioctl(fd, TIOCMSET, &st) != 0) {
+ fprintf(stderr, "failed to set DTR [assertion]\n");
break;
+ }
+ nanosleep(&ts, NULL);
+
+ st ^= TIOCM_DTR;
+ if (ioctl(fd, TIOCMSET, &st) != 0)
+ fprintf(stderr, "failed to set DTR [negation]\n");
+ break;
+ case BS: /* FALLTHROUGH */
+ case DEL:
+ case ESC:
+ break;
+ default:
+ fprintf(stderr, "not a valid command [%c]\n", cmdchar);
+ break;
}
return;
}
void
-sighandl(const int signo)
+sighandl(int signo)
{
die(128 + signo, "\nrecieved signal [%d], exiting\n", signo);
}
void
-die(const int code, const char *msg, ...)
+die(int code, const char *msg, ...)
{
va_list fpa;
if (fd != -1)
exit(code);
}
+
+int
+main(int argc, char **argv)
+{
+ for (int i = 1; i < argc; i++ ) {
+ if (argv[i][0] == '-' && argv[i][1] >= '0' && argv[i][1] <= '9') {
+ char *t = NULL;
+ /* glibc's `asprintf()` won't set the string to NULL on failure automatically */
+ asprintf(&t, "-s%s", argv[i] + 1);
+ if (!t) {
+ fprintf(stderr, "cannot convert -# to -s#\n");
+ break;
+ }
+ argv[i] = t;
+ free(t);
+ }
+ }
+
+ static struct option longopt[] = {
+ {"line", required_argument, NULL, 'l'},
+ {"speed", required_argument, NULL, 's'},
+ {"rx-speed", required_argument, NULL, 'i'},
+ {"echo", no_argument, NULL, 'h'},
+ {"canonical", no_argument, NULL, 'c'},
+ {"odd", no_argument, NULL, 'o'},
+ {"even", no_argument, NULL, 'e'},
+ {"hardware-rts-cts", no_argument, NULL, 'R'},
+ {"hardware-dtr-dsr", no_argument, NULL, 'r'},
+ {"software", no_argument, NULL, 'X'},
+ {"data", required_argument, NULL, 'D'},
+ {"delay", required_argument, NULL, 'd'},
+ {"min-chars", required_argument, NULL, 'm'},
+ {"stop-bits", no_argument, NULL, 'S'},
+ {"backspace", no_argument, NULL, 'b'},
+ {"translation", required_argument, NULL, 't'},
+ {"input-translation", required_argument, NULL, 'T'},
+ {"verbose", no_argument, NULL, 'v'},
+ {NULL, 0, NULL, 0}
+ };
+
+ unsigned int tui;
+ int oind, rxspdset, devset, c;
+ oind = rxspdset = devset = 0;
+ while ((c = getopt_long(argc, argv, "bcd:D:ehi:l:m:oRrs:t:T:vX", longopt, &oind)) != -1) {
+ switch (c) {
+ case 0:
+ break;
+ case 'b':
+ backspace ^= 1; break;
+ case 'c':
+ canonical ^= 1; break;
+ case 'R':
+ hard ^= 1; break;
+ case 'r':
+ hard ^= 2; break;
+ case 'X':
+ soft ^= 1; break;
+ case 'd':;
+ char* endptr;
+ long t;
+ t = strtol(optarg, &endptr, 10);
+ if (errno != 0 || *endptr != '\0' || t < 0) {
+ fprintf(stderr, "invalid character delay\n");
+ goto ustusage;
+ } else {
+ chardelay = t;
+ }
+ break;
+ case 'D':
+ if (strlen(optarg) != 1 || !(optarg[0] >= '5' && optarg[0] <= '8')) {
+ fprintf(stderr, "invalid number of data bits: %s\n", optarg);
+ goto ustusage;
+ } else {
+ datab = optarg[0];
+ }
+ break;
+ case 'e':
+ parity ^= 1; break;
+ case 'o':
+ parity ^= 2; break;
+ case 'h':
+ half ^= 1; break;
+ case 'i':
+ tui = strtoui(optarg, "invalid rx speed: %s\n", 1);
+ if (tui == uintmax)
+ goto ustusage;
+ ispeed = tui;
+ rxspdset = 1;
+ break;
+ case 's':
+ tui = strtoui(optarg, "invalid speed: %s\n", 1);
+ if (tui == uintmax)
+ goto ustusage;
+ ospeed = tui;
+ break;
+ case 'S':
+ stopb ^= 1; break;
+ case 'l':
+ if (devset) {
+ fprintf(stderr, "cannot specify multiple devices\n");
+ goto ustusage;
+ }
+ if (strlen(optarg) > 10) {
+ fprintf(stderr, "device name too long\n");
+ goto ustusage;
+ }
+ if (strchr(optarg, '/')) {
+ strcpy(line, optarg);
+ devset = 1;
+ } else {
+ sprintf(line, "/dev/%s", optarg);
+ devset = 1;
+ }
+ break;
+ case 'm':
+ tui = strtoui(optarg, "invalid number of characters: %s\n", 1);
+ if (tui == uintmax)
+ goto ustusage;
+ minchars = tui;
+ break;
+ case 't':
+ if (troptions(&tropts, optarg))
+ goto ustusage;
+ break;
+ case 'T':
+ if (troptions(&itropts, optarg))
+ goto ustusage;
+ break;
+ case 'v':
+ verbose ^= 1; break;
+ default:
+ ustusage:
+ die(2, "usage: %s [--line|-l line] [--speed|-s #|-#] [--rx-speed|-i #]\n"
+ " [--data-bits|-D #] [--stop-bits|-S]"
+ " [--even|-e] [--odd|-o]\n"
+ " [--hardware-rts-cts|-R]"
+ " [--hardware-dtr-dsr|-r] [--software|-X]\n"
+ " [--delay|-d #] [--min-chars|-m #]"
+ " [--canonical|-c] [--echo|-h]\n"
+ " [--translation|-t tropt]"
+ " [--input-translation|-T tropt]\n"
+ " [--verbose|-v] [--backspace|-b]\n",
+ argv[0]);
+ break;
+ }
+
+
+ }
+
+ if (!rxspdset)
+ ispeed = ospeed;
+
+ if (isatty(STDIN_FILENO) || isatty(STDOUT_FILENO))
+ interactive = 1;
+
+ signal(SIGHUP, sighandl);
+ signal(SIGINT, sighandl);
+ signal(SIGQUIT, sighandl);
+ signal(SIGTERM, sighandl);
+
+ fd = openport();
+
+ pthread_t readthread, writethread;
+ pthread_create(&writethread, NULL, writeport, NULL);
+ pthread_create(&readthread, NULL, readport, NULL);
+}
projects / ust.git / commitdiff