1 /* $NetBSD: globalcmds.c,v 1.13 2006/02/05 08:51:03 dsl 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 1.13 2006/02/05 08:51:03 dsl 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 len; 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 } 66 67 len = strlen(key); 68 if (strncmp(key, s, len) == 0 && s[len] == '.') { 69 p = strdup(s + len + 1); 70 if (!p) 71 return NULL; 72 return p; 73 } 74 return NULL; 75 } 76 77 void 78 global_help(char *args) 79 { 80 int col, len; 81 struct mode *p; 82 char *name, *prev; 83 84 move(CMDLINE, col = 0); 85 name = prev = NULL; 86 for (p = modes; p->c_name; p++) { 87 if ((name = shortname(args, p->c_name)) == NULL) 88 continue; 89 if (name && prev && strcmp(name, prev) == 0) { 90 free(name); 91 name = NULL; 92 continue; 93 } 94 len = strlen(name); 95 if (col + len > COLS) 96 break; 97 addstr(name); col += len; 98 if (col + 1 < COLS) 99 addch(' '); 100 if (prev) 101 free(prev); 102 prev = name; 103 name = NULL; 104 } 105 if (col == 0 && args) { 106 standout(); 107 if (strlen(args) < COLS - 25) 108 printw("help: no matches for `%s.*'", args); 109 else 110 printw("help: no matches"); 111 standend(); 112 } 113 clrtoeol(); 114 if (name) 115 free(name); 116 if (prev) 117 free(prev); 118 } 119 120 void 121 global_interval(char *args) 122 { 123 int interval; 124 125 if (!args) { 126 interval = 5; 127 } else { 128 interval = atoi(args); 129 } 130 131 if (interval <= 0) { 132 error("%d: bad interval.", interval); 133 return; 134 } 135 136 naptime = interval; 137 display(0); 138 status(); 139 } 140 141 142 void 143 global_load(char *args) 144 { 145 (void)getloadavg(avenrun, sizeof(avenrun)/sizeof(avenrun[0])); 146 mvprintw(CMDLINE, 0, "%4.1f %4.1f %4.1f", 147 avenrun[0], avenrun[1], avenrun[2]); 148 clrtoeol(); 149 } 150 151 void 152 global_quit(char *args) 153 { 154 die(0); 155 } 156 157 void 158 global_stop(char *args) 159 { 160 timeout(-1); 161 mvaddstr(CMDLINE, 0, "Refresh disabled."); 162 clrtoeol(); 163 } 164