FreeCalypso > hg > sms-coding-utils
view enc-text/main.c @ 11:9ed03ed4e673
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author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 05 Aug 2023 08:44:32 +0000 |
parents | a16b1b9728f6 |
children | e56bb9f09ff1 |
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/* * This is the main module for sms-encode-text utility. */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include <unistd.h> #include "defs.h" int utf8_input, ucs2_mode; int concat_enable, concat_refno_set; char msgtext[MAX_MSG_CHARS*2+2]; u_char concat_refno; process_cmdline(argc, argv) char **argv; { int c; extern int optind; extern char *optarg; while ((c = getopt(argc, argv, "cC:uU")) != EOF) { switch (c) { case 'c': concat_enable = 1; continue; case 'C': concat_enable = 1; concat_refno = strtoul(optarg, 0, 0); concat_refno_set = 1; continue; case 'u': utf8_input = 1; continue; case 'U': ucs2_mode = 1; continue; default: /* error msg already printed */ exit(1); } } if (argc > optind + 1) { fprintf(stderr, "usage: %s [options] [message]\n", argv[0]); exit(1); } if (argc < optind + 1) return(0); if (strlen(argv[optind]) > MAX_MSG_CHARS*2) { fprintf(stderr, "error: message argument is too long\n"); exit(1); } strcpy(msgtext, argv[optind]); return(1); } read_msgtext_from_stdin() { unsigned pos, remain; int cc; pos = 0; remain = sizeof(msgtext); for (;;) { if (!remain) { fprintf(stderr, "error: message on stdin is too long\n"); exit(1); } cc = read(0, msgtext + pos, remain); if (cc < 0) { fprintf(stderr, "error reading message from stdin\n"); exit(1); } if (cc == 0) break; pos += cc; remain -= cc; } msgtext[pos] = '\0'; } trim_trailing_newlines() { char *cp; cp = index(msgtext, '\0'); while (cp > msgtext && cp[-1] == '\n') cp--; *cp = '\0'; } main(argc, argv) char **argv; { if (!process_cmdline(argc, argv)) read_msgtext_from_stdin(); trim_trailing_newlines(); if (ucs2_mode) ucs2_mode_main(); else gsm7_mode_main(); }