1 /* $NetBSD: globalcmds.c,v 1.10 2002/11/16 15:59:31 itojun Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 5 * The NetBSD Foundation, Inc. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD Foundation. 18 * 4. Neither the name of the Foundation nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 #ifndef lint 37 __RCSID("$NetBSD: globalcmds.c,v 1.10 2002/11/16 15:59:31 itojun Exp $"); 38 #endif /* not lint */ 39 40 #include <curses.h> 41 #include <stdlib.h> 42 #include <string.h> 43 #include <unistd.h> 44 45 #include "systat.h" 46 #include "extern.h" 47 48 static char *shortname(const char *, const char *); 49 50 static char * 51 shortname(const char *key, const char *s) 52 { 53 char *p, *q; 54 size_t l; 55 56 if (key == NULL) { 57 if ((p = strdup(s)) == NULL) 58 return NULL; 59 q = strchr(p, '.'); 60 if (q && strlen(q) > 1) { 61 q[1] = '*'; 62 q[2] = '\0'; 63 } 64 return p; 65 } else if (strncmp(key, s, l = strlen(key)) == 0 && s[l] == '.') { 66 p = strdup(s + l + 1); 67 if (!p) 68 return NULL; 69 return p; 70 } else 71 return NULL; 72 } 73 74 void 75 global_help(char *args) 76 { 77 int col, len; 78 struct mode *p; 79 char *cur, *prev; 80 81 move(CMDLINE, col = 0); 82 cur = prev = NULL; 83 for (p = modes; p->c_name; p++) { 84 if ((cur = shortname(args, p->c_name)) == NULL) 85 continue; 86 if (cur && prev && strcmp(cur, prev) == 0) { 87 free(cur); 88 cur = NULL; 89 continue; 90 } 91 len = strlen(cur); 92 if (col + len > COLS) 93 break; 94 addstr(cur); col += len; 95 if (col + 1 < COLS) 96 addch(' '); 97 if (prev) 98 free(prev); 99 prev = cur; 100 cur = NULL; 101 } 102 if (col == 0 && args) { 103 standout(); 104 if (strlen(args) < COLS - 25) 105 printw("help: no matches for `%s.*'", args); 106 else 107 printw("help: no matches"); 108 standend(); 109 } 110 clrtoeol(); 111 if (cur) 112 free(cur); 113 if (prev) 114 free(prev); 115 } 116 117 void 118 global_interval(char *args) 119 { 120 int interval; 121 122 if (!args) { 123 interval = 5; 124 } else { 125 interval = atoi(args); 126 } 127 128 if (interval <= 0) { 129 error("%d: bad interval.", interval); 130 return; 131 } 132 133 alarm(0); 134 naptime = interval; 135 display(0); 136 status(); 137 } 138 139 140 void 141 global_load(char *args) 142 { 143 (void)getloadavg(avenrun, sizeof(avenrun)/sizeof(avenrun[0])); 144 mvprintw(CMDLINE, 0, "%4.1f %4.1f %4.1f", 145 avenrun[0], avenrun[1], avenrun[2]); 146 clrtoeol(); 147 } 148 149 void 150 global_quit(char *args) 151 { 152 die(0); 153 } 154 155 void 156 global_stop(char *args) 157 { 158 alarm(0); 159 mvaddstr(CMDLINE, 0, "Refresh disabled."); 160 clrtoeol(); 161 } 162