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/* $Id: engine.c,v 1.21 2017/04/05 15:57:11 deraadt Exp $ */ |
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/* |
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* Copyright (c) 2001, 2007 Can Erkin Acar <canacar@openbsd.org> |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#include <sys/ioctl.h> |
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#include <sys/types.h> |
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#include <sys/queue.h> |
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#include <ctype.h> |
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#include <curses.h> |
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#include <signal.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <term.h> |
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#include <unistd.h> |
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#include <err.h> |
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/* XXX These are defined in term.h and conflict with our variable names */ |
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#ifdef columns |
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#undef columns |
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#endif |
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#ifdef lines |
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#undef lines |
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#endif |
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#include "engine.h" |
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#define MINIMUM(a, b) (((a) < (b)) ? (a) : (b)) |
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/* circular linked list of views */ |
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TAILQ_HEAD(view_list, view_ent) view_head = |
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TAILQ_HEAD_INITIALIZER(view_head); |
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struct view_ent { |
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field_view *view; |
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TAILQ_ENTRY(view_ent) entries; |
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}; |
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useconds_t udelay = 5000000; |
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int dispstart = 0; |
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int interactive = 1; |
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int averageonly = 0; |
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int maxprint = 0; |
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int paused = 0; |
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int rawmode = 0; |
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int rawwidth = DEFAULT_WIDTH; |
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int sortdir = 1; |
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int columns, lines; |
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u_int32_t num_disp = 0; |
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int max_disp = -1; |
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volatile sig_atomic_t gotsig_close = 0; |
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volatile sig_atomic_t gotsig_resize = 0; |
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volatile sig_atomic_t gotsig_alarm = 0; |
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int need_update = 0; |
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int need_sort = 0; |
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int separate_thousands = 0; |
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SCREEN *screen; |
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field_view *curr_view = NULL; |
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struct view_ent *curr_view_ent = NULL; |
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struct view_manager *curr_mgr = NULL; |
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int curr_line = 0; |
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int home_line = 0; |
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/* line buffer for raw mode */ |
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char linebuf[MAX_LINE_BUF]; |
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int linepos = 0; |
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/* temp storage for state printing */ |
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char tmp_buf[MAX_LINE_BUF]; |
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char cmdbuf[MAX_LINE_BUF]; |
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int cmd_len = -1; |
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struct command *curr_cmd = NULL; |
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char *curr_message = NULL; |
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void print_cmdline(void); |
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/* screen output functions */ |
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char * tb_ptr = NULL; |
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int tb_len = 0; |
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void |
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tb_start(void) |
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{ |
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tb_ptr = tmp_buf; |
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tb_len = sizeof(tmp_buf); |
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tb_ptr[0] = '\0'; |
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} |
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void |
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tb_end(void) |
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{ |
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tb_ptr = NULL; |
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tb_len = 0; |
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} |
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int |
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tbprintf(char *format, ...) |
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GCC_PRINTFLIKE(1,2) /* defined in curses.h */ |
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{ |
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int len; |
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va_list arg; |
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if (tb_ptr == NULL || tb_len <= 0) |
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return 0; |
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va_start(arg, format); |
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len = vsnprintf(tb_ptr, tb_len, format, arg); |
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va_end(arg); |
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if (len > tb_len) |
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tb_end(); |
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else if (len > 0) { |
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tb_ptr += len; |
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tb_len -= len; |
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} |
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return len; |
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} |
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int |
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tbprintft(char *format, ...) |
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GCC_PRINTFLIKE(1,2) /* defined in curses.h */ |
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{ |
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int len; |
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va_list arg; |
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char buf[MAX_LINE_BUF]; |
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if (tb_ptr == NULL || tb_len <= 0) |
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return 0; |
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va_start(arg, format); |
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len = vsnprintf(buf, tb_len, format, arg); |
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va_end(arg); |
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if (len > tb_len) |
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tb_end(); |
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else if (len > 0) { |
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int d, s; |
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int digits, curdigit; |
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if (!separate_thousands) { |
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strlcpy(tb_ptr, buf, tb_len); |
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return len; |
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} |
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/* count until we hit a non digit. (e.g. the prefix) */ |
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for (digits = 0; digits < len; digits++) |
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if (!isdigit((unsigned char)buf[digits])) |
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break; |
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curdigit = digits; |
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d = s = 0; |
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/* insert thousands separators while copying */ |
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while (curdigit && d < tb_len) { |
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if (curdigit < digits && curdigit % 3 == 0) |
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tb_ptr[d++] = ','; |
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tb_ptr[d++] = buf[s++]; |
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curdigit--; |
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} |
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/* copy the remaining non-digits */ |
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while (len > digits && d < tb_len) { |
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tb_ptr[d++] = buf[s++]; |
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digits++; |
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} |
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tb_ptr[d] = '\0'; |
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tb_ptr += d; |
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tb_len -= d; |
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len = d; |
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} |
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return len; |
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} |
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void |
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move_horiz(int offset) |
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{ |
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if (rawmode) { |
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if (offset <= 0) |
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linepos = 0; |
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else if (offset >= MAX_LINE_BUF) |
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linepos = MAX_LINE_BUF - 1; |
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else |
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linepos = offset; |
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} else { |
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move(curr_line, offset); |
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} |
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} |
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void |
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print_str(int len, const char *str) |
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{ |
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if (len <= 0) |
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return; |
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215 |
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if (rawmode) { |
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int length = MINIMUM(len, MAX_LINE_BUF - linepos); |
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if (length <= 0) |
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return; |
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bcopy(str, &linebuf[linepos], length); |
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linepos += length; |
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} else |
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addnstr(str, len); |
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} |
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void |
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clear_linebuf(void) |
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{ |
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memset(linebuf, ' ', MAX_LINE_BUF); |
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} |
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void |
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end_line(void) |
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{ |
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if (rawmode) { |
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linebuf[rawwidth] = '\0'; |
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printf("%s\n", linebuf); |
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clear_linebuf(); |
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} |
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curr_line++; |
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} |
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void |
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end_page(void) |
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{ |
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if (rawmode) { |
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linepos = 0; |
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clear_linebuf(); |
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} else { |
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move(home_line, 0); |
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print_cmdline(); |
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refresh(); |
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} |
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curr_line = 0; |
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} |
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/* field output functions */ |
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void |
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print_fld_str(field_def *fld, const char *str) |
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{ |
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int len, offset; |
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char *cpos; |
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if (str == NULL || fld == NULL) |
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return; |
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if (fld->start < 0) |
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return; |
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len = strlen(str); |
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if (len >= fld->width) { |
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move_horiz(fld->start); |
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print_str(fld->width, str); |
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} else { |
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switch (fld->align) { |
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case FLD_ALIGN_RIGHT: |
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move_horiz(fld->start + (fld->width - len)); |
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break; |
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case FLD_ALIGN_CENTER: |
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move_horiz(fld->start + (fld->width - len) / 2); |
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break; |
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case FLD_ALIGN_COLUMN: |
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if ((cpos = strchr(str, ':')) == NULL) { |
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offset = (fld->width - len) / 2; |
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} else { |
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offset = (fld->width / 2) - (cpos - str); |
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if (offset < 0) |
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offset = 0; |
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else if (offset > (fld->width - len)) |
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offset = fld->width - len; |
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} |
293 |
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move_horiz(fld->start + offset); |
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break; |
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default: |
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move_horiz(fld->start); |
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break; |
298 |
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} |
299 |
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print_str(len, str); |
300 |
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} |
301 |
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} |
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303 |
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void |
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print_bar_title(field_def *fld) |
305 |
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{ |
306 |
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char buf[16]; |
307 |
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int len, i, d, tr, tw, val, pos, cur; |
308 |
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309 |
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int divs[] = {20, 10, 5, 4, 3, 2, 1, 0}; |
310 |
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311 |
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if (fld->width < 1) |
312 |
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return; |
313 |
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314 |
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len = snprintf(buf, sizeof(buf), " %d\\", fld->arg); |
315 |
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if (len >= sizeof(buf)) |
316 |
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return; |
317 |
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318 |
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for (i = 0; divs[i]; i++) |
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if (divs[i] * len <= fld->width) |
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break; |
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322 |
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if (divs[i] == 0) { |
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print_fld_str(fld, "*****"); |
324 |
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return; |
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} |
326 |
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327 |
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d = divs[i]; |
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329 |
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val = 0; |
330 |
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pos = 0; |
331 |
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tr = fld->arg % d; |
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tw = fld->width % d; |
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334 |
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tb_start(); |
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cur = 0; |
336 |
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for(i = 0; i < d; i++) { |
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tw += fld->width; |
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tr += fld->arg; |
339 |
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340 |
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while (tr >= d) { |
341 |
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val++; |
342 |
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tr -= d; |
343 |
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} |
344 |
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while (tw >= d) { |
345 |
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pos++; |
346 |
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tw -= d; |
347 |
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} |
348 |
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349 |
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len = snprintf(buf, sizeof(buf), "%d\\", val); |
350 |
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if (len >= sizeof(buf)) |
351 |
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len = strlen(buf); |
352 |
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while (cur < pos - len) { |
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tbprintf(" "); |
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cur++; |
355 |
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} |
356 |
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tbprintf("%s", buf); |
357 |
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cur += len; |
358 |
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} |
359 |
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360 |
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print_fld_tb(fld); |
361 |
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} |
362 |
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363 |
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void |
364 |
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print_fld_bar(field_def *fld, int value) |
365 |
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{ |
366 |
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int i, tw, val; |
367 |
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368 |
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if (fld->width < 1) |
369 |
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return; |
370 |
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371 |
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val = 0; |
372 |
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tw = fld->arg / 2; |
373 |
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374 |
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tb_start(); |
375 |
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376 |
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for(i = 0; i < fld->width; i++) { |
377 |
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tw += fld->arg; |
378 |
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379 |
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while (tw >= fld->width) { |
380 |
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val++; |
381 |
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tw -= fld->width; |
382 |
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} |
383 |
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if (val > value) |
384 |
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break; |
385 |
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tbprintf("#"); |
386 |
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} |
387 |
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388 |
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print_fld_tb(fld); |
389 |
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} |
390 |
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|
391 |
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void |
392 |
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print_fld_tb(field_def *fld) |
393 |
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{ |
394 |
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print_fld_str(fld, tmp_buf); |
395 |
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tb_end(); |
396 |
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} |
397 |
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|
398 |
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void |
399 |
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print_title(void) |
400 |
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{ |
401 |
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field_def **fp; |
402 |
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|
403 |
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if (curr_view != NULL && curr_view->view != NULL) { |
404 |
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for (fp = curr_view->view; *fp != NULL; fp++) { |
405 |
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switch((*fp)->align) { |
406 |
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case FLD_ALIGN_LEFT: |
407 |
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case FLD_ALIGN_RIGHT: |
408 |
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case FLD_ALIGN_CENTER: |
409 |
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case FLD_ALIGN_COLUMN: |
410 |
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print_fld_str(*fp, (*fp)->title); |
411 |
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break; |
412 |
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case FLD_ALIGN_BAR: |
413 |
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print_bar_title(*fp); |
414 |
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break; |
415 |
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} |
416 |
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} |
417 |
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} |
418 |
|
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end_line(); |
419 |
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} |
420 |
|
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|
421 |
|
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/* view related functions */ |
422 |
|
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void |
423 |
|
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hide_field(field_def *fld) |
424 |
|
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{ |
425 |
|
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if (fld == NULL) |
426 |
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return; |
427 |
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|
428 |
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fld->flags |= FLD_FLAG_HIDDEN; |
429 |
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} |
430 |
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|
431 |
|
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void |
432 |
|
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show_field(field_def *fld) |
433 |
|
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{ |
434 |
|
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if (fld == NULL) |
435 |
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return; |
436 |
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|
437 |
|
|
fld->flags &= ~((unsigned int) FLD_FLAG_HIDDEN); |
438 |
|
|
} |
439 |
|
|
|
440 |
|
|
void |
441 |
|
|
reset_fields(void) |
442 |
|
|
{ |
443 |
|
|
field_def **fp; |
444 |
|
|
field_def *fld; |
445 |
|
|
|
446 |
|
|
if (curr_view == NULL) |
447 |
|
|
return; |
448 |
|
|
|
449 |
|
|
if (curr_view->view == NULL) |
450 |
|
|
return; |
451 |
|
|
|
452 |
|
|
for (fp = curr_view->view; *fp != NULL; fp++) { |
453 |
|
|
fld = *fp; |
454 |
|
|
fld->start = -1; |
455 |
|
|
fld->width = fld->norm_width; |
456 |
|
|
} |
457 |
|
|
} |
458 |
|
|
|
459 |
|
|
void |
460 |
|
|
field_setup(void) |
461 |
|
|
{ |
462 |
|
|
field_def **fp; |
463 |
|
|
field_def *fld; |
464 |
|
|
int st, fwid, change; |
465 |
|
|
int width = columns; |
466 |
|
|
|
467 |
|
|
reset_fields(); |
468 |
|
|
|
469 |
|
|
dispstart = 0; |
470 |
|
|
st = 0; |
471 |
|
|
|
472 |
|
|
for (fp = curr_view->view; *fp != NULL; fp++) { |
473 |
|
|
fld = *fp; |
474 |
|
|
if (fld->flags & FLD_FLAG_HIDDEN) |
475 |
|
|
continue; |
476 |
|
|
|
477 |
|
|
if (width <= 1) |
478 |
|
|
break; |
479 |
|
|
|
480 |
|
|
if (st != 1) |
481 |
|
|
width--; |
482 |
|
|
|
483 |
|
|
fld->start = 1; |
484 |
|
|
fwid = fld->width; |
485 |
|
|
st++; |
486 |
|
|
if (fwid >= width) { |
487 |
|
|
fld->width = width; |
488 |
|
|
width = 0; |
489 |
|
|
} else |
490 |
|
|
width -= fwid; |
491 |
|
|
} |
492 |
|
|
|
493 |
|
|
while (width > 0) { |
494 |
|
|
change = 0; |
495 |
|
|
for (fp = curr_view->view; *fp != NULL; fp++) { |
496 |
|
|
fld = *fp; |
497 |
|
|
if (fld->flags & FLD_FLAG_HIDDEN) |
498 |
|
|
continue; |
499 |
|
|
if ((fld->width < fld->max_width) && |
500 |
|
|
(fld->increment <= width)) { |
501 |
|
|
int w = fld->width + fld->increment; |
502 |
|
|
if (w > fld->max_width) |
503 |
|
|
w = fld->max_width; |
504 |
|
|
width += fld->width - w; |
505 |
|
|
fld->width = w; |
506 |
|
|
change = 1; |
507 |
|
|
} |
508 |
|
|
if (width <= 0) break; |
509 |
|
|
} |
510 |
|
|
if (change == 0) break; |
511 |
|
|
} |
512 |
|
|
|
513 |
|
|
st = 0; |
514 |
|
|
for (fp = curr_view->view; *fp != NULL; fp++) { |
515 |
|
|
fld = *fp; |
516 |
|
|
if (fld->flags & FLD_FLAG_HIDDEN) |
517 |
|
|
continue; |
518 |
|
|
if (fld->start < 0) break; |
519 |
|
|
fld->start = st; |
520 |
|
|
st += fld->width + 1; |
521 |
|
|
} |
522 |
|
|
} |
523 |
|
|
|
524 |
|
|
void |
525 |
|
|
set_curr_view(struct view_ent *ve) |
526 |
|
|
{ |
527 |
|
|
field_view *v; |
528 |
|
|
|
529 |
|
|
reset_fields(); |
530 |
|
|
|
531 |
|
|
if (ve == NULL) { |
532 |
|
|
curr_view_ent = NULL; |
533 |
|
|
curr_view = NULL; |
534 |
|
|
curr_mgr = NULL; |
535 |
|
|
return; |
536 |
|
|
} |
537 |
|
|
|
538 |
|
|
v = ve->view; |
539 |
|
|
|
540 |
|
|
if ((curr_view != NULL) && (curr_mgr != v->mgr)) { |
541 |
|
|
gotsig_alarm = 1; |
542 |
|
|
if (v->mgr != NULL && v->mgr->select_fn != NULL) |
543 |
|
|
v->mgr->select_fn(); |
544 |
|
|
} |
545 |
|
|
|
546 |
|
|
curr_view_ent = ve; |
547 |
|
|
curr_view = v; |
548 |
|
|
curr_mgr = v->mgr; |
549 |
|
|
field_setup(); |
550 |
|
|
need_update = 1; |
551 |
|
|
} |
552 |
|
|
|
553 |
|
|
void |
554 |
|
|
add_view(field_view *fv) |
555 |
|
|
{ |
556 |
|
|
struct view_ent *ent; |
557 |
|
|
|
558 |
|
|
if (fv == NULL) |
559 |
|
|
return; |
560 |
|
|
|
561 |
|
|
if (fv->view == NULL || fv->name == NULL || fv->mgr == NULL) |
562 |
|
|
return; |
563 |
|
|
|
564 |
|
|
ent = malloc(sizeof(struct view_ent)); |
565 |
|
|
if (ent == NULL) |
566 |
|
|
return; |
567 |
|
|
|
568 |
|
|
ent->view = fv; |
569 |
|
|
TAILQ_INSERT_TAIL(&view_head, ent, entries); |
570 |
|
|
|
571 |
|
|
if (curr_view == NULL) |
572 |
|
|
set_curr_view(ent); |
573 |
|
|
} |
574 |
|
|
|
575 |
|
|
int |
576 |
|
|
set_view(const char *opt) |
577 |
|
|
{ |
578 |
|
|
struct view_ent *ve, *vm = NULL; |
579 |
|
|
field_view *v; |
580 |
|
|
int len; |
581 |
|
|
|
582 |
|
|
if (opt == NULL || (len = strlen(opt)) == 0) |
583 |
|
|
return 1; |
584 |
|
|
|
585 |
|
|
TAILQ_FOREACH(ve, &view_head, entries) { |
586 |
|
|
v = ve->view; |
587 |
|
|
if (strncasecmp(opt, v->name, len) == 0) { |
588 |
|
|
if (vm) |
589 |
|
|
return 1; |
590 |
|
|
vm = ve; |
591 |
|
|
} |
592 |
|
|
} |
593 |
|
|
|
594 |
|
|
if (vm) { |
595 |
|
|
set_curr_view(vm); |
596 |
|
|
return 0; |
597 |
|
|
} |
598 |
|
|
|
599 |
|
|
return 1; |
600 |
|
|
} |
601 |
|
|
|
602 |
|
|
void |
603 |
|
|
foreach_view(void (*callback)(field_view *)) |
604 |
|
|
{ |
605 |
|
|
struct view_ent *ve; |
606 |
|
|
|
607 |
|
|
TAILQ_FOREACH(ve, &view_head, entries) { |
608 |
|
|
callback(ve->view); |
609 |
|
|
} |
610 |
|
|
} |
611 |
|
|
|
612 |
|
|
int |
613 |
|
|
set_view_hotkey(int ch) |
614 |
|
|
{ |
615 |
|
|
struct view_ent *ve; |
616 |
|
|
field_view *v; |
617 |
|
|
int key = tolower(ch); |
618 |
|
|
|
619 |
|
|
TAILQ_FOREACH(ve, &view_head, entries) { |
620 |
|
|
v = ve->view; |
621 |
|
|
if (key == v->hotkey) { |
622 |
|
|
set_curr_view(ve); |
623 |
|
|
return 1; |
624 |
|
|
} |
625 |
|
|
} |
626 |
|
|
|
627 |
|
|
return 0; |
628 |
|
|
} |
629 |
|
|
|
630 |
|
|
void |
631 |
|
|
next_view(void) |
632 |
|
|
{ |
633 |
|
|
struct view_ent *ve; |
634 |
|
|
|
635 |
|
|
if (TAILQ_EMPTY(&view_head) || curr_view_ent == NULL) |
636 |
|
|
return; |
637 |
|
|
|
638 |
|
|
ve = TAILQ_NEXT(curr_view_ent, entries); |
639 |
|
|
if (ve == NULL) |
640 |
|
|
ve = TAILQ_FIRST(&view_head); |
641 |
|
|
|
642 |
|
|
set_curr_view(ve); |
643 |
|
|
} |
644 |
|
|
|
645 |
|
|
void |
646 |
|
|
prev_view(void) |
647 |
|
|
{ |
648 |
|
|
struct view_ent *ve; |
649 |
|
|
|
650 |
|
|
if (TAILQ_EMPTY(&view_head) || curr_view_ent == NULL) |
651 |
|
|
return; |
652 |
|
|
|
653 |
|
|
ve = TAILQ_PREV(curr_view_ent, view_list, entries); |
654 |
|
|
if (ve == NULL) |
655 |
|
|
ve = TAILQ_LAST(&view_head, view_list); |
656 |
|
|
|
657 |
|
|
set_curr_view(ve); |
658 |
|
|
} |
659 |
|
|
|
660 |
|
|
/* generic field printing */ |
661 |
|
|
|
662 |
|
|
void |
663 |
|
|
print_fld_age(field_def *fld, unsigned int age) |
664 |
|
|
{ |
665 |
|
|
int len; |
666 |
|
|
unsigned int h, m, s; |
667 |
|
|
|
668 |
|
|
if (fld == NULL) |
669 |
|
|
return; |
670 |
|
|
len = fld->width; |
671 |
|
|
|
672 |
|
|
if (len < 1) |
673 |
|
|
return; |
674 |
|
|
|
675 |
|
|
s = age % 60; |
676 |
|
|
m = age / 60; |
677 |
|
|
h = m / 60; |
678 |
|
|
m %= 60; |
679 |
|
|
|
680 |
|
|
tb_start(); |
681 |
|
|
if (tbprintf("%02u:%02u:%02u", h, m, s) <= len) |
682 |
|
|
goto ok; |
683 |
|
|
|
684 |
|
|
tb_start(); |
685 |
|
|
if (tbprintf("%u", age) <= len) |
686 |
|
|
goto ok; |
687 |
|
|
|
688 |
|
|
tb_start(); |
689 |
|
|
age /= 60; |
690 |
|
|
if (tbprintf("%um", age) <= len) |
691 |
|
|
goto ok; |
692 |
|
|
if (age == 0) |
693 |
|
|
goto err; |
694 |
|
|
|
695 |
|
|
tb_start(); |
696 |
|
|
age /= 60; |
697 |
|
|
if (tbprintf("%uh", age) <= len) |
698 |
|
|
goto ok; |
699 |
|
|
if (age == 0) |
700 |
|
|
goto err; |
701 |
|
|
|
702 |
|
|
tb_start(); |
703 |
|
|
age /= 24; |
704 |
|
|
if (tbprintf("%ud", age) <= len) |
705 |
|
|
goto ok; |
706 |
|
|
|
707 |
|
|
err: |
708 |
|
|
print_fld_str(fld, "*"); |
709 |
|
|
tb_end(); |
710 |
|
|
return; |
711 |
|
|
|
712 |
|
|
ok: |
713 |
|
|
print_fld_tb(fld); |
714 |
|
|
} |
715 |
|
|
|
716 |
|
|
void |
717 |
|
|
print_fld_sdiv(field_def *fld, u_int64_t size, int d) |
718 |
|
|
{ |
719 |
|
|
int len; |
720 |
|
|
|
721 |
|
|
if (fld == NULL) |
722 |
|
|
return; |
723 |
|
|
|
724 |
|
|
len = fld->width; |
725 |
|
|
if (len < 1) |
726 |
|
|
return; |
727 |
|
|
|
728 |
|
|
tb_start(); |
729 |
|
|
if (tbprintft("%llu", size) <= len) |
730 |
|
|
goto ok; |
731 |
|
|
|
732 |
|
|
tb_start(); |
733 |
|
|
size /= d; |
734 |
|
|
if (tbprintft("%lluK", size) <= len) |
735 |
|
|
goto ok; |
736 |
|
|
if (size == 0) |
737 |
|
|
goto err; |
738 |
|
|
|
739 |
|
|
tb_start(); |
740 |
|
|
size /= d; |
741 |
|
|
if (tbprintft("%lluM", size) <= len) |
742 |
|
|
goto ok; |
743 |
|
|
if (size == 0) |
744 |
|
|
goto err; |
745 |
|
|
|
746 |
|
|
tb_start(); |
747 |
|
|
size /= d; |
748 |
|
|
if (tbprintft("%lluG", size) <= len) |
749 |
|
|
goto ok; |
750 |
|
|
if (size == 0) |
751 |
|
|
goto err; |
752 |
|
|
|
753 |
|
|
tb_start(); |
754 |
|
|
size /= d; |
755 |
|
|
if (tbprintft("%lluT", size) <= len) |
756 |
|
|
goto ok; |
757 |
|
|
|
758 |
|
|
err: |
759 |
|
|
print_fld_str(fld, "*"); |
760 |
|
|
tb_end(); |
761 |
|
|
return; |
762 |
|
|
|
763 |
|
|
ok: |
764 |
|
|
print_fld_tb(fld); |
765 |
|
|
} |
766 |
|
|
|
767 |
|
|
void |
768 |
|
|
print_fld_size(field_def *fld, u_int64_t size) |
769 |
|
|
{ |
770 |
|
|
print_fld_sdiv(fld, size, 1024); |
771 |
|
|
} |
772 |
|
|
|
773 |
|
|
void |
774 |
|
|
print_fld_ssdiv(field_def *fld, int64_t size, int d) |
775 |
|
|
{ |
776 |
|
|
int len; |
777 |
|
|
|
778 |
|
|
if (fld == NULL) |
779 |
|
|
return; |
780 |
|
|
|
781 |
|
|
len = fld->width; |
782 |
|
|
if (len < 1) |
783 |
|
|
return; |
784 |
|
|
|
785 |
|
|
tb_start(); |
786 |
|
|
if (tbprintft("%lld", size) <= len) |
787 |
|
|
goto ok; |
788 |
|
|
|
789 |
|
|
tb_start(); |
790 |
|
|
size /= d; |
791 |
|
|
if (tbprintft("%lldK", size) <= len) |
792 |
|
|
goto ok; |
793 |
|
|
if (size == 0) |
794 |
|
|
goto err; |
795 |
|
|
|
796 |
|
|
tb_start(); |
797 |
|
|
size /= d; |
798 |
|
|
if (tbprintft("%lldM", size) <= len) |
799 |
|
|
goto ok; |
800 |
|
|
if (size == 0) |
801 |
|
|
goto err; |
802 |
|
|
|
803 |
|
|
tb_start(); |
804 |
|
|
size /= d; |
805 |
|
|
if (tbprintft("%lldG", size) <= len) |
806 |
|
|
goto ok; |
807 |
|
|
if (size == 0) |
808 |
|
|
goto err; |
809 |
|
|
|
810 |
|
|
tb_start(); |
811 |
|
|
size /= d; |
812 |
|
|
if (tbprintft("%lldT", size) <= len) |
813 |
|
|
goto ok; |
814 |
|
|
|
815 |
|
|
err: |
816 |
|
|
print_fld_str(fld, "*"); |
817 |
|
|
tb_end(); |
818 |
|
|
return; |
819 |
|
|
|
820 |
|
|
ok: |
821 |
|
|
print_fld_tb(fld); |
822 |
|
|
} |
823 |
|
|
|
824 |
|
|
void |
825 |
|
|
print_fld_ssize(field_def *fld, int64_t size) |
826 |
|
|
{ |
827 |
|
|
print_fld_ssdiv(fld, size, 1024); |
828 |
|
|
} |
829 |
|
|
|
830 |
|
|
void |
831 |
|
|
print_fld_rate(field_def *fld, double rate) |
832 |
|
|
{ |
833 |
|
|
if (rate < 0) { |
834 |
|
|
print_fld_str(fld, "*"); |
835 |
|
|
} else { |
836 |
|
|
print_fld_size(fld, rate); |
837 |
|
|
} |
838 |
|
|
} |
839 |
|
|
|
840 |
|
|
void |
841 |
|
|
print_fld_bw(field_def *fld, double bw) |
842 |
|
|
{ |
843 |
|
|
if (bw < 0) { |
844 |
|
|
print_fld_str(fld, "*"); |
845 |
|
|
} else { |
846 |
|
|
print_fld_sdiv(fld, bw, 1000); |
847 |
|
|
} |
848 |
|
|
} |
849 |
|
|
|
850 |
|
|
void |
851 |
|
|
print_fld_uint(field_def *fld, unsigned int size) |
852 |
|
|
{ |
853 |
|
|
int len; |
854 |
|
|
|
855 |
|
|
if (fld == NULL) |
856 |
|
|
return; |
857 |
|
|
|
858 |
|
|
len = fld->width; |
859 |
|
|
if (len < 1) |
860 |
|
|
return; |
861 |
|
|
|
862 |
|
|
tb_start(); |
863 |
|
|
if (tbprintft("%u", size) > len) |
864 |
|
|
print_fld_str(fld, "*"); |
865 |
|
|
else |
866 |
|
|
print_fld_tb(fld); |
867 |
|
|
tb_end(); |
868 |
|
|
} |
869 |
|
|
|
870 |
|
|
void |
871 |
|
|
print_fld_float(field_def *fld, double f, int prec) |
872 |
|
|
{ |
873 |
|
|
int len; |
874 |
|
|
|
875 |
|
|
if (fld == NULL) |
876 |
|
|
return; |
877 |
|
|
|
878 |
|
|
len = fld->width; |
879 |
|
|
if (len < 1) |
880 |
|
|
return; |
881 |
|
|
|
882 |
|
|
tb_start(); |
883 |
|
|
if (tbprintf("%*.*f", len, prec, f) > len) |
884 |
|
|
print_fld_str(fld, "*"); |
885 |
|
|
else |
886 |
|
|
print_fld_tb(fld); |
887 |
|
|
tb_end(); |
888 |
|
|
} |
889 |
|
|
|
890 |
|
|
|
891 |
|
|
/* ordering */ |
892 |
|
|
|
893 |
|
|
void |
894 |
|
|
set_order(const char *opt) |
895 |
|
|
{ |
896 |
|
|
order_type *o; |
897 |
|
|
|
898 |
|
|
if (curr_view == NULL || curr_view->mgr == NULL) |
899 |
|
|
return; |
900 |
|
|
|
901 |
|
|
curr_view->mgr->order_curr = curr_view->mgr->order_list; |
902 |
|
|
|
903 |
|
|
if (opt == NULL) |
904 |
|
|
return; |
905 |
|
|
|
906 |
|
|
o = curr_view->mgr->order_list; |
907 |
|
|
|
908 |
|
|
if (o == NULL) |
909 |
|
|
return; |
910 |
|
|
|
911 |
|
|
for (;o->name != NULL; o++) { |
912 |
|
|
if (strcasecmp(opt, o->match) == 0) { |
913 |
|
|
curr_view->mgr->order_curr = o; |
914 |
|
|
return; |
915 |
|
|
} |
916 |
|
|
} |
917 |
|
|
} |
918 |
|
|
|
919 |
|
|
int |
920 |
|
|
set_order_hotkey(int ch) |
921 |
|
|
{ |
922 |
|
|
order_type *o; |
923 |
|
|
int key = ch; |
924 |
|
|
|
925 |
|
|
if (curr_view == NULL || curr_view->mgr == NULL) |
926 |
|
|
return 0; |
927 |
|
|
|
928 |
|
|
o = curr_view->mgr->order_list; |
929 |
|
|
|
930 |
|
|
if (o == NULL) |
931 |
|
|
return 0; |
932 |
|
|
|
933 |
|
|
for (;o->name != NULL; o++) { |
934 |
|
|
if (key == o->hotkey) { |
935 |
|
|
if (curr_view->mgr->order_curr == o) { |
936 |
|
|
sortdir *= -1; |
937 |
|
|
} else { |
938 |
|
|
curr_view->mgr->order_curr = o; |
939 |
|
|
} |
940 |
|
|
return 1; |
941 |
|
|
} |
942 |
|
|
} |
943 |
|
|
|
944 |
|
|
return 0; |
945 |
|
|
} |
946 |
|
|
|
947 |
|
|
void |
948 |
|
|
next_order(void) |
949 |
|
|
{ |
950 |
|
|
order_type *o, *oc; |
951 |
|
|
|
952 |
|
|
if (curr_view->mgr->order_list == NULL) |
953 |
|
|
return; |
954 |
|
|
|
955 |
|
|
oc = curr_view->mgr->order_curr; |
956 |
|
|
|
957 |
|
|
for (o = curr_view->mgr->order_list; o->name != NULL; o++) { |
958 |
|
|
if (oc == o) { |
959 |
|
|
o++; |
960 |
|
|
if (o->name == NULL) |
961 |
|
|
break; |
962 |
|
|
curr_view->mgr->order_curr = o; |
963 |
|
|
return; |
964 |
|
|
} |
965 |
|
|
} |
966 |
|
|
|
967 |
|
|
curr_view->mgr->order_curr = curr_view->mgr->order_list; |
968 |
|
|
} |
969 |
|
|
|
970 |
|
|
|
971 |
|
|
/* main program functions */ |
972 |
|
|
|
973 |
|
|
int |
974 |
|
|
read_view(void) |
975 |
|
|
{ |
976 |
|
|
if (curr_mgr == NULL) |
977 |
|
|
return (0); |
978 |
|
|
|
979 |
|
|
if (paused) |
980 |
|
|
return (0); |
981 |
|
|
|
982 |
|
|
if (curr_mgr->read_fn != NULL) |
983 |
|
|
return (curr_mgr->read_fn()); |
984 |
|
|
|
985 |
|
|
return (0); |
986 |
|
|
} |
987 |
|
|
|
988 |
|
|
|
989 |
|
|
int |
990 |
|
|
disp_update(void) |
991 |
|
|
{ |
992 |
|
|
int li; |
993 |
|
|
|
994 |
|
|
if (maxprint < 0) |
995 |
|
|
dispstart = 0; |
996 |
|
|
else if (dispstart + maxprint > num_disp) |
997 |
|
|
dispstart = num_disp - maxprint; |
998 |
|
|
|
999 |
|
|
if (dispstart < 0) |
1000 |
|
|
dispstart = 0; |
1001 |
|
|
|
1002 |
|
|
if (curr_view == NULL) |
1003 |
|
|
return 0; |
1004 |
|
|
|
1005 |
|
|
if (curr_mgr != NULL) { |
1006 |
|
|
curr_line = 0; |
1007 |
|
|
|
1008 |
|
|
if (curr_mgr->header_fn != NULL) { |
1009 |
|
|
li = curr_mgr->header_fn(); |
1010 |
|
|
if (li < 0) |
1011 |
|
|
return (1); |
1012 |
|
|
curr_line = ++li; |
1013 |
|
|
home_line = li + maxprint + 1; |
1014 |
|
|
} |
1015 |
|
|
|
1016 |
|
|
print_title(); |
1017 |
|
|
|
1018 |
|
|
if (curr_mgr->print_fn != NULL) |
1019 |
|
|
curr_mgr->print_fn(); |
1020 |
|
|
} |
1021 |
|
|
|
1022 |
|
|
return (0); |
1023 |
|
|
} |
1024 |
|
|
|
1025 |
|
|
void |
1026 |
|
|
sort_view(void) |
1027 |
|
|
{ |
1028 |
|
|
if (curr_mgr != NULL) |
1029 |
|
|
if (curr_mgr->sort_fn != NULL) |
1030 |
|
|
curr_mgr->sort_fn(); |
1031 |
|
|
} |
1032 |
|
|
|
1033 |
|
|
void |
1034 |
|
|
sig_close(int sig) |
1035 |
|
|
{ |
1036 |
|
|
gotsig_close = 1; |
1037 |
|
|
} |
1038 |
|
|
|
1039 |
|
|
void |
1040 |
|
|
sig_resize(int sig) |
1041 |
|
|
{ |
1042 |
|
|
gotsig_resize = 1; |
1043 |
|
|
} |
1044 |
|
|
|
1045 |
|
|
void |
1046 |
|
|
sig_alarm(int sig) |
1047 |
|
|
{ |
1048 |
|
|
gotsig_alarm = 1; |
1049 |
|
|
} |
1050 |
|
|
|
1051 |
|
|
void |
1052 |
|
|
setup_term(int dmax) |
1053 |
|
|
{ |
1054 |
|
|
max_disp = dmax; |
1055 |
|
|
maxprint = dmax; |
1056 |
|
|
|
1057 |
|
|
if (rawmode) { |
1058 |
|
|
columns = rawwidth; |
1059 |
|
|
lines = DEFAULT_HEIGHT; |
1060 |
|
|
clear_linebuf(); |
1061 |
|
|
} else { |
1062 |
|
|
if (dmax < 0) |
1063 |
|
|
dmax = 0; |
1064 |
|
|
|
1065 |
|
|
screen = newterm(NULL, stdout, stdin); |
1066 |
|
|
if (screen == NULL) { |
1067 |
|
|
rawmode = 1; |
1068 |
|
|
interactive = 0; |
1069 |
|
|
setup_term(dmax); |
1070 |
|
|
return; |
1071 |
|
|
} |
1072 |
|
|
columns = COLS; |
1073 |
|
|
lines = LINES; |
1074 |
|
|
|
1075 |
|
|
if (maxprint > lines - HEADER_LINES) |
1076 |
|
|
maxprint = lines - HEADER_LINES; |
1077 |
|
|
|
1078 |
|
|
nonl(); |
1079 |
|
|
keypad(stdscr, TRUE); |
1080 |
|
|
intrflush(stdscr, FALSE); |
1081 |
|
|
|
1082 |
|
|
halfdelay(10); |
1083 |
|
|
noecho(); |
1084 |
|
|
} |
1085 |
|
|
|
1086 |
|
|
if (dmax == 0) |
1087 |
|
|
maxprint = lines - HEADER_LINES; |
1088 |
|
|
|
1089 |
|
|
field_setup(); |
1090 |
|
|
} |
1091 |
|
|
|
1092 |
|
|
void |
1093 |
|
|
do_resize_term(void) |
1094 |
|
|
{ |
1095 |
|
|
struct winsize ws; |
1096 |
|
|
|
1097 |
|
|
if (rawmode) |
1098 |
|
|
return; |
1099 |
|
|
|
1100 |
|
|
if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == -1) |
1101 |
|
|
return; |
1102 |
|
|
|
1103 |
|
|
resizeterm(ws.ws_row, ws.ws_col); |
1104 |
|
|
|
1105 |
|
|
columns = COLS; |
1106 |
|
|
lines = LINES; |
1107 |
|
|
|
1108 |
|
|
maxprint = max_disp; |
1109 |
|
|
|
1110 |
|
|
if (maxprint == 0 || maxprint > lines - HEADER_LINES) |
1111 |
|
|
maxprint = lines - HEADER_LINES; |
1112 |
|
|
|
1113 |
|
|
clear(); |
1114 |
|
|
|
1115 |
|
|
field_setup(); |
1116 |
|
|
} |
1117 |
|
|
|
1118 |
|
|
struct command * |
1119 |
|
|
command_set(struct command *cmd, const char *init) |
1120 |
|
|
{ |
1121 |
|
|
struct command *prev = curr_cmd; |
1122 |
|
|
|
1123 |
|
|
if (cmd) { |
1124 |
|
|
if (init) { |
1125 |
|
|
cmd_len = strlcpy(cmdbuf, init, sizeof(cmdbuf)); |
1126 |
|
|
if (cmd_len >= sizeof(cmdbuf)) { |
1127 |
|
|
cmdbuf[0] = '\0'; |
1128 |
|
|
cmd_len = 0; |
1129 |
|
|
} |
1130 |
|
|
} else { |
1131 |
|
|
cmd_len = 0; |
1132 |
|
|
cmdbuf[0] = 0; |
1133 |
|
|
} |
1134 |
|
|
} |
1135 |
|
|
curr_message = NULL; |
1136 |
|
|
curr_cmd = cmd; |
1137 |
|
|
need_update = 1; |
1138 |
|
|
return prev; |
1139 |
|
|
} |
1140 |
|
|
|
1141 |
|
|
const char * |
1142 |
|
|
message_set(const char *msg) { |
1143 |
|
|
char *prev = curr_message; |
1144 |
|
|
if (msg) |
1145 |
|
|
curr_message = strdup(msg); |
1146 |
|
|
else |
1147 |
|
|
curr_message = NULL; |
1148 |
|
|
free(prev); |
1149 |
|
|
return NULL; |
1150 |
|
|
} |
1151 |
|
|
|
1152 |
|
|
void |
1153 |
|
|
print_cmdline(void) |
1154 |
|
|
{ |
1155 |
|
|
if (curr_cmd) { |
1156 |
|
|
attron(A_STANDOUT); |
1157 |
|
|
mvprintw(home_line, 0, "%s: ", curr_cmd->prompt); |
1158 |
|
|
attroff(A_STANDOUT); |
1159 |
|
|
printw("%s", cmdbuf); |
1160 |
|
|
} else if (curr_message) { |
1161 |
|
|
mvprintw(home_line, 0, "> %s", curr_message); |
1162 |
|
|
} |
1163 |
|
|
clrtoeol(); |
1164 |
|
|
} |
1165 |
|
|
|
1166 |
|
|
|
1167 |
|
|
void |
1168 |
|
|
cmd_keyboard(int ch) |
1169 |
|
|
{ |
1170 |
|
|
if (curr_cmd == NULL) |
1171 |
|
|
return; |
1172 |
|
|
|
1173 |
|
|
if (ch > 0 && isprint(ch)) { |
1174 |
|
|
if (cmd_len < sizeof(cmdbuf) - 1) { |
1175 |
|
|
cmdbuf[cmd_len++] = ch; |
1176 |
|
|
cmdbuf[cmd_len] = 0; |
1177 |
|
|
} else |
1178 |
|
|
beep(); |
1179 |
|
|
} |
1180 |
|
|
|
1181 |
|
|
switch (ch) { |
1182 |
|
|
case KEY_ENTER: |
1183 |
|
|
case 0x0a: |
1184 |
|
|
case 0x0d: |
1185 |
|
|
{ |
1186 |
|
|
struct command * c = command_set(NULL, NULL); |
1187 |
|
|
c->exec(cmdbuf); |
1188 |
|
|
break; |
1189 |
|
|
} |
1190 |
|
|
case KEY_BACKSPACE: |
1191 |
|
|
case KEY_DC: |
1192 |
|
|
case CTRL_H: |
1193 |
|
|
if (cmd_len > 0) { |
1194 |
|
|
cmdbuf[--cmd_len] = 0; |
1195 |
|
|
} else |
1196 |
|
|
beep(); |
1197 |
|
|
break; |
1198 |
|
|
case 0x1b: |
1199 |
|
|
case CTRL_G: |
1200 |
|
|
if (cmd_len > 0) { |
1201 |
|
|
cmdbuf[0] = '\0'; |
1202 |
|
|
cmd_len = 0; |
1203 |
|
|
} else |
1204 |
|
|
command_set(NULL, NULL); |
1205 |
|
|
break; |
1206 |
|
|
default: |
1207 |
|
|
break; |
1208 |
|
|
} |
1209 |
|
|
} |
1210 |
|
|
|
1211 |
|
|
void |
1212 |
|
|
keyboard(void) |
1213 |
|
|
{ |
1214 |
|
|
int ch; |
1215 |
|
|
|
1216 |
|
|
ch = getch(); |
1217 |
|
|
|
1218 |
|
|
if (curr_cmd) { |
1219 |
|
|
cmd_keyboard(ch); |
1220 |
|
|
print_cmdline(); |
1221 |
|
|
return; |
1222 |
|
|
} |
1223 |
|
|
|
1224 |
|
|
if (curr_mgr != NULL) |
1225 |
|
|
if (curr_mgr->key_fn != NULL) |
1226 |
|
|
if (curr_mgr->key_fn(ch)) |
1227 |
|
|
return; |
1228 |
|
|
|
1229 |
|
|
if (curr_message != NULL) { |
1230 |
|
|
if (ch > 0) { |
1231 |
|
|
curr_message = NULL; |
1232 |
|
|
need_update = 1; |
1233 |
|
|
} |
1234 |
|
|
} |
1235 |
|
|
|
1236 |
|
|
switch (ch) { |
1237 |
|
|
case ' ': |
1238 |
|
|
gotsig_alarm = 1; |
1239 |
|
|
break; |
1240 |
|
|
case 'o': |
1241 |
|
|
next_order(); |
1242 |
|
|
need_sort = 1; |
1243 |
|
|
break; |
1244 |
|
|
case 'p': |
1245 |
|
|
paused = !paused; |
1246 |
|
|
gotsig_alarm = 1; |
1247 |
|
|
break; |
1248 |
|
|
case 'q': |
1249 |
|
|
gotsig_close = 1; |
1250 |
|
|
break; |
1251 |
|
|
case 'r': |
1252 |
|
|
sortdir *= -1; |
1253 |
|
|
need_sort = 1; |
1254 |
|
|
break; |
1255 |
|
|
case 'v': |
1256 |
|
|
/* FALLTHROUGH */ |
1257 |
|
|
case KEY_RIGHT: |
1258 |
|
|
/* FALLTHROUGH */ |
1259 |
|
|
case CTRL_F: |
1260 |
|
|
next_view(); |
1261 |
|
|
break; |
1262 |
|
|
case KEY_LEFT: |
1263 |
|
|
/* FALLTHROUGH */ |
1264 |
|
|
case CTRL_B: |
1265 |
|
|
prev_view(); |
1266 |
|
|
break; |
1267 |
|
|
case KEY_DOWN: |
1268 |
|
|
/* FALLTHROUGH */ |
1269 |
|
|
case CTRL_N: |
1270 |
|
|
dispstart++; |
1271 |
|
|
need_update = 1; |
1272 |
|
|
break; |
1273 |
|
|
case KEY_UP: |
1274 |
|
|
/* FALLTHROUGH */ |
1275 |
|
|
case CTRL_P: |
1276 |
|
|
dispstart--; |
1277 |
|
|
need_update = 1; |
1278 |
|
|
break; |
1279 |
|
|
case KEY_NPAGE: |
1280 |
|
|
/* FALLTHROUGH */ |
1281 |
|
|
case CTRL_V: |
1282 |
|
|
dispstart += maxprint; |
1283 |
|
|
need_update = 1; |
1284 |
|
|
break; |
1285 |
|
|
case KEY_PPAGE: |
1286 |
|
|
/* FALLTHROUGH */ |
1287 |
|
|
case META_V: |
1288 |
|
|
dispstart -= maxprint; |
1289 |
|
|
need_update = 1; |
1290 |
|
|
break; |
1291 |
|
|
case KEY_HOME: |
1292 |
|
|
/* FALLTHROUGH */ |
1293 |
|
|
case CTRL_A: |
1294 |
|
|
dispstart = 0; |
1295 |
|
|
need_update = 1; |
1296 |
|
|
break; |
1297 |
|
|
case KEY_END: |
1298 |
|
|
/* FALLTHROUGH */ |
1299 |
|
|
case CTRL_E: |
1300 |
|
|
dispstart = num_disp; |
1301 |
|
|
need_update = 1; |
1302 |
|
|
break; |
1303 |
|
|
case CTRL_L: |
1304 |
|
|
clear(); |
1305 |
|
|
need_update = 1; |
1306 |
|
|
break; |
1307 |
|
|
default: |
1308 |
|
|
break; |
1309 |
|
|
} |
1310 |
|
|
|
1311 |
|
|
if (set_order_hotkey(ch)) |
1312 |
|
|
need_sort = 1; |
1313 |
|
|
else |
1314 |
|
|
set_view_hotkey(ch); |
1315 |
|
|
} |
1316 |
|
|
|
1317 |
|
|
void |
1318 |
|
|
engine_initialize(void) |
1319 |
|
|
{ |
1320 |
|
|
signal(SIGTERM, sig_close); |
1321 |
|
|
signal(SIGINT, sig_close); |
1322 |
|
|
signal(SIGQUIT, sig_close); |
1323 |
|
|
signal(SIGWINCH, sig_resize); |
1324 |
|
|
signal(SIGALRM, sig_alarm); |
1325 |
|
|
} |
1326 |
|
|
|
1327 |
|
|
void |
1328 |
|
|
engine_loop(int countmax) |
1329 |
|
|
{ |
1330 |
|
|
int count = 0; |
1331 |
|
|
|
1332 |
|
|
for (;;) { |
1333 |
|
|
if (gotsig_alarm) { |
1334 |
|
|
read_view(); |
1335 |
|
|
need_sort = 1; |
1336 |
|
|
gotsig_alarm = 0; |
1337 |
|
|
ualarm(udelay, 0); |
1338 |
|
|
} |
1339 |
|
|
|
1340 |
|
|
if (need_sort) { |
1341 |
|
|
sort_view(); |
1342 |
|
|
need_sort = 0; |
1343 |
|
|
need_update = 1; |
1344 |
|
|
|
1345 |
|
|
/* XXX if sort took too long */ |
1346 |
|
|
if (gotsig_alarm) { |
1347 |
|
|
gotsig_alarm = 0; |
1348 |
|
|
ualarm(udelay, 0); |
1349 |
|
|
} |
1350 |
|
|
} |
1351 |
|
|
|
1352 |
|
|
if (need_update) { |
1353 |
|
|
erase(); |
1354 |
|
|
if (!averageonly || |
1355 |
|
|
(averageonly && count == countmax - 1)) |
1356 |
|
|
disp_update(); |
1357 |
|
|
end_page(); |
1358 |
|
|
need_update = 0; |
1359 |
|
|
if (countmax && ++count >= countmax) |
1360 |
|
|
break; |
1361 |
|
|
} |
1362 |
|
|
|
1363 |
|
|
if (gotsig_close) |
1364 |
|
|
break; |
1365 |
|
|
if (gotsig_resize) { |
1366 |
|
|
do_resize_term(); |
1367 |
|
|
gotsig_resize = 0; |
1368 |
|
|
need_update = 1; |
1369 |
|
|
} |
1370 |
|
|
|
1371 |
|
|
if (interactive && need_update == 0) |
1372 |
|
|
keyboard(); |
1373 |
|
|
else if (interactive == 0) |
1374 |
|
|
usleep(udelay); |
1375 |
|
|
} |
1376 |
|
|
|
1377 |
|
|
if (rawmode == 0) |
1378 |
|
|
endwin(); |
1379 |
|
|
} |
1380 |
|
|
|
1381 |
|
|
int |
1382 |
|
|
check_termcap(void) |
1383 |
|
|
{ |
1384 |
|
|
char *term_name; |
1385 |
|
|
int status; |
1386 |
|
|
static struct termios screen_settings; |
1387 |
|
|
|
1388 |
|
|
if (!interactive) |
1389 |
|
|
/* pretend we have a dumb terminal */ |
1390 |
|
|
return(1); |
1391 |
|
|
|
1392 |
|
|
/* get the terminal name */ |
1393 |
|
|
term_name = getenv("TERM"); |
1394 |
|
|
if (term_name == NULL) |
1395 |
|
|
return(1); |
1396 |
|
|
|
1397 |
|
|
/* now get the termcap entry */ |
1398 |
|
|
if ((status = tgetent(NULL, term_name)) != 1) { |
1399 |
|
|
if (status == -1) |
1400 |
|
|
warnx("can't open termcap file"); |
1401 |
|
|
else |
1402 |
|
|
warnx("no termcap entry for a `%s' terminal", |
1403 |
|
|
term_name); |
1404 |
|
|
|
1405 |
|
|
/* pretend it's dumb and proceed */ |
1406 |
|
|
return(1); |
1407 |
|
|
} |
1408 |
|
|
|
1409 |
|
|
/* "hardcopy" immediately indicates a very stupid terminal */ |
1410 |
|
|
if (tgetflag("hc")) |
1411 |
|
|
return(1); |
1412 |
|
|
|
1413 |
|
|
/* get necessary capabilities */ |
1414 |
|
|
if (tgetstr("cl", NULL) == NULL || tgetstr("cm", NULL) == NULL) |
1415 |
|
|
return(1); |
1416 |
|
|
|
1417 |
|
|
/* if stdout is not a terminal, pretend we are a dumb terminal */ |
1418 |
|
|
if (tcgetattr(STDOUT_FILENO, &screen_settings) == -1) |
1419 |
|
|
return(1); |
1420 |
|
|
|
1421 |
|
|
return(0); |
1422 |
|
|
} |