libslip-c

C SLIP-encoding library
git clone https://git.sinitax.com/sinitax/libslip-c
Log | Files | Refs | LICENSE | sfeed.txt

test.c (1641B)

      1#include "slip.h"
      2
      3#include <string.h>
      4#include <stdarg.h>
      5#include <stdio.h>
      6
      7void
      8die(const char *fmt, ...)
      9{
     10	va_list ap;
     11
     12	va_start(ap, fmt);
     13	fputs("libslip-test: ", stderr);
     14	vfprintf(stderr, fmt, ap);
     15	if (*fmt && fmt[strlen(fmt) - 1] == ':') {
     16		fputc(' ', stderr);
     17		perror(NULL);
     18	} else {
     19		fputc('\n', stderr);
     20	}
     21	va_end(ap);
     22
     23	exit(1);
     24}
     25
     26int
     27slip_realloc(void **buf, size_t size)
     28{
     29	*buf = realloc(*buf, size);
     30	if (!*buf) die("realloc:");
     31
     32	return 0;
     33}
     34
     35void
     36slip_restart(struct slip *slip, uint8_t b)
     37{
     38	printf("RESTART due to '%02x' byte\n", b);
     39}
     40
     41void
     42slip_rx(struct slip *slip, uint8_t *data, size_t len, void *user)
     43{
     44	printf("PACKET %.*s\n", (int) len, data);
     45}
     46
     47int
     48main(int argc, const char **argv)
     49{
     50	uint8_t iobuf[BUFSIZ];
     51	uint8_t encbuf[BUFSIZ * 2 + 2];
     52	struct slip slip = { 0 };
     53	size_t enclen, nread;
     54	int rc;
     55
     56	slip.realloc = slip_realloc;
     57	slip.rx_packet = slip_rx;
     58	slip.rx_restart = slip_restart;
     59	slip.esc = '\\';
     60	slip.start = '<';
     61	slip.end = '>';
     62	slip.esc_active['\\'] = true;
     63	slip.esc_enc['\\'] = '\\';
     64	slip.esc_active['<'] = true;
     65	slip.esc_enc['<'] = '<';
     66	slip.esc_active['>'] = true;
     67	slip.esc_enc['>'] = '>';
     68
     69	rc = slip_init(&slip);
     70	if (rc) die("slip_init");
     71
     72	if (argc == 2 && !strcmp(argv[1], "-d")) {
     73		while ((nread = fread(iobuf, 1, sizeof(iobuf), stdin))) {
     74			rc = slip_decode(&slip, iobuf, nread);
     75			if (rc) die("slip_decode");
     76		}
     77	} else {
     78		while ((nread = fread(iobuf, 1, sizeof(iobuf), stdin))) {
     79			rc = slip_encode(&slip, encbuf, &enclen,
     80				sizeof(encbuf), iobuf, nread);
     81			if (rc) die("slip_encode");
     82			fwrite(encbuf, 1, enclen, stdout);
     83		}
     84	}
     85
     86	slip_deinit(&slip);
     87}