Return to dmesg.c CVS log

Up to [local] / prex-old / usr / bin / dmesg

Annotation of prex-old/usr/bin/dmesg/dmesg.c, Revision 1.1.1.1.2.1

1.1       nbrk        1: /*-
                      2:  * Copyright (c) 2007, Kohsuke Ohtani
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. Neither the name of the author nor the names of any co-contributors
                     14:  *    may be used to endorse or promote products derived from this software
                     15:  *    without specific prior written permission.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     27:  * SUCH DAMAGE.
                     28:  */
                     29:
                     30: #include <prex/prex.h>
                     31:
                     32: #include <unistd.h>
                     33: #include <stdio.h>
                     34: #include <stdlib.h>
1.1.1.1.2.1! nbrk       35: #include <termios.h>
1.1       nbrk       36:
                     37: #ifdef CMDBOX
                     38: #define main(argc, argv)       dmesg_main(argc, argv)
                     39: #endif
                     40:
                     41: static int print_msg(char *buf, int size);
                     42:
                     43: int
                     44: main(int argc, char *argv[])
                     45: {
                     46:        int size;
                     47:        char *buf;
                     48:
1.1.1.1.2.1! nbrk       49:        if (sys_debug(DCMD_LOGSIZE, &size) != 0) {
        !            50:                fprintf(stderr, "dmesg: not supported\n");
1.1       nbrk       51:                exit(1);
1.1.1.1.2.1! nbrk       52:        }
1.1       nbrk       53:
                     54:        if ((buf = malloc(size)) == NULL)
                     55:                exit(1);
                     56:
                     57:        if (sys_debug(DCMD_GETLOG, buf) != 0) {
                     58:                free(buf);
                     59:                exit(1);
                     60:        }
                     61:        print_msg(buf, size);
                     62:        free(buf);
                     63:        return 0;
                     64: }
                     65:
                     66: static int
1.1.1.1.2.1! nbrk       67: print_msg(char *buf, int bufsize)
1.1       nbrk       68: {
                     69:        struct winsize ws;
1.1.1.1.2.1! nbrk       70:        int i, row, maxrow;
1.1       nbrk       71:
                     72:        /* Get screen size */
                     73:        maxrow = 79;
1.1.1.1.2.1! nbrk       74:        if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == 0)
1.1       nbrk       75:                maxrow = (int)ws.ws_row - 1;
                     76:
                     77:        row = 0;
1.1.1.1.2.1! nbrk       78:        for (i = 0; i < bufsize; i++) {
        !            79:                if (*buf == '\0')
        !            80:                        break;
        !            81:                if (*buf == '\n')
1.1       nbrk       82:                        row++;
1.1.1.1.2.1! nbrk       83:                putc(*buf, stdout);
1.1       nbrk       84:                if (row >= maxrow) {
                     85:                        printf("--More-- ");
                     86:                        getc(stdin);
                     87:                        putchar('\n');
                     88:                        row = 0;
                     89:                }
1.1.1.1.2.1! nbrk       90:                buf++;
1.1       nbrk       91:        }
                     92:        return 0;
                     93: }