1 /* $NetBSD: globalcmds.c,v 1.9 2000/12/01 02:19:43 simonb 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 1.9 2000/12/01 02:19:43 simonb 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 return p; 68 } else 69 return NULL; 70 } 71 72 void 73 global_help(char *args) 74 { 75 int col, len; 76 struct mode *p; 77 char *cur, *prev; 78 79 move(CMDLINE, col = 0); 80 cur = prev = NULL; 81 for (p = modes; p->c_name; p++) { 82 if ((cur = shortname(args, p->c_name)) == NULL) 83 continue; 84 if (cur && prev && strcmp(cur, prev) == 0) { 85 free(cur); 86 cur = NULL; 87 continue; 88 } 89 len = strlen(cur); 90 if (col + len > COLS) 91 break; 92 addstr(cur); col += len; 93 if (col + 1 < COLS) 94 addch(' '); 95 if (prev) 96 free(prev); 97 prev = cur; 98 cur = NULL; 99 } 100 if (col == 0 && args) { 101 standout(); 102 if (strlen(args) < COLS - 25) 103 printw("help: no matches for `%s.*'", args); 104 else 105 printw("help: no matches"); 106 standend(); 107 } 108 clrtoeol(); 109 if (cur) 110 free(cur); 111 if (prev) 112 free(prev); 113 } 114 115 void 116 global_interval(char *args) 117 { 118 int interval; 119 120 if (!args) { 121 interval = 5; 122 } else { 123 interval = atoi(args); 124 } 125 126 if (interval <= 0) { 127 error("%d: bad interval.", interval); 128 return; 129 } 130 131 alarm(0); 132 naptime = interval; 133 display(0); 134 status(); 135 } 136 137 138 void 139 global_load(char *args) 140 { 141 (void)getloadavg(avenrun, sizeof(avenrun)/sizeof(avenrun[0])); 142 mvprintw(CMDLINE, 0, "%4.1f %4.1f %4.1f", 143 avenrun[0], avenrun[1], avenrun[2]); 144 clrtoeol(); 145 } 146 147 void 148 global_quit(char *args) 149 { 150 die(0); 151 } 152 153 void 154 global_stop(char *args) 155 { 156 alarm(0); 157 mvaddstr(CMDLINE, 0, "Refresh disabled."); 158 clrtoeol(); 159 } 160