FreeCalypso > hg > osmo-playpen

comparison smsc-sendmt/read_pdu.c @ 12:7543aa173634

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
proto-smsc-sendmt program written, compiles
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 27 Aug 2023 16:36:28 -0800
parents
children
comparison
equal deleted inserted replaced
11:44148d13283c 12:7543aa173634
1 /*
2 * This module implements the reading of hex-encoded SMS-DELIVER TPDU
3 * from stdin.
4 */
5
6 #include <stdio.h>
7 #include <stdint.h>
8 #include <stdlib.h>
9 #include <string.h>
10
11 extern int decode_hex_line(const char *inbuf, uint8_t *outbuf, unsigned outmax);
12
13 uint8_t tpdu_buf[176];
14 unsigned tpdu_len;
15
16 void read_pdu_from_stdin(void)
17 {
18 char linebuf[512], *nl;
19 int rc;
20
21 if (!fgets(linebuf, sizeof(linebuf), stdin)) {
22 fprintf(stderr, "error: empty stdin is not acceptable\n");
23 exit(1);
24 }
25 nl = strchr(linebuf, '\n');
26 if (!nl) {
27 fprintf(stderr,
28 "error: stdin line is too long or unterminated\n");
29 exit(1);
30 }
31 *nl = '\0';
32 rc = decode_hex_line(linebuf, tpdu_buf, sizeof(tpdu_buf));
33 if (rc <= 0) {
34 fprintf(stderr, "error: stdin line is not a valid hex PDU\n");
35 exit(1);
36 }
37 tpdu_len = rc;
38 }