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https://github.com/freebsd/freebsd-src
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3d497e17eb
Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/
Similar commit in main:
(cherry picked from commit 1d386b48a5)
358 lines
12 KiB
C
358 lines
12 KiB
C
/*-
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* Copyright (c) 2013-2015 Devin Teske <dteske@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <err.h>
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#include <errno.h>
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#include <figpar.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <string_m.h>
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#include "dialogrc.h"
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#define STR_BUFSIZE 255
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/* dialog(1) `.dialogrc' characteristics */
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uint8_t use_colors = 1;
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uint8_t use_shadow = 1;
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char gauge_color[STR_BUFSIZE] = "47b"; /* (BLUE,WHITE,ON) */
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char separator[STR_BUFSIZE] = "";
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/* Function prototypes */
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static int setattr(struct figpar_config *, uint32_t, char *, char *);
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static int setbool(struct figpar_config *, uint32_t, char *, char *);
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static int setnum(struct figpar_config *, uint32_t, char *, char *);
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static int setstr(struct figpar_config *, uint32_t, char *, char *);
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/*
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* Anatomy of DIALOGRC (~/.dialogrc by default)
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* NOTE: Must appear after private function prototypes (above)
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* NB: Brace-initialization of union requires cast to *first* member of union
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*/
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static struct figpar_config dialogrc_config[] = {
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/* TYPE DIRECTIVE DEFAULT HANDLER */
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{FIGPAR_TYPE_INT, "aspect", {(void *)0}, &setnum},
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{FIGPAR_TYPE_STR, "separate_widget", {separator}, &setstr},
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{FIGPAR_TYPE_INT, "tab_len", {(void *)0}, &setnum},
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{FIGPAR_TYPE_BOOL, "visit_items", {(void *)0}, &setbool},
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{FIGPAR_TYPE_BOOL, "use_shadow", {(void *)1}, &setbool},
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{FIGPAR_TYPE_BOOL, "use_colors", {(void *)1}, &setbool},
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{FIGPAR_TYPE_STR, "screen_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "shadow_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "dialog_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "title_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "border_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "button_active_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "button_inactive_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "button_key_active_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "button_key_inactive_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "button_label_active_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "button_label_inactive_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "inputbox_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "inputbox_border_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "searchbox_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "searchbox_title_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "searchbox_border_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "position_indicator_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "menubox_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "menubox_border_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "item_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "item_selected_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "tag_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "tag_selected_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "tag_key_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "tag_key_selected_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "check_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "check_selected_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "uarrow_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "darrow_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "itemhelp_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "form_active_text_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "form_text_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "form_item_readonly_color", {NULL}, &setattr},
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{FIGPAR_TYPE_STR, "gauge_color", {gauge_color}, &setattr},
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{0, NULL, {0}, NULL}
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};
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/*
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* figpar call-back for interpreting value as .dialogrc `Attribute'
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*/
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static int
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setattr(struct figpar_config *option, uint32_t line __unused,
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char *directive __unused, char *value)
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{
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char *cp = value;
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char *val;
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size_t len;
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char attrbuf[4];
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if (option == NULL) {
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warnx("%s:%d:%s: Missing callback parameter", __FILE__,
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__LINE__, __func__);
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return (-1); /* Abort processing */
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}
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/* Allocate memory for the data if not already done */
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if (option->value.str == NULL) {
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if ((option->value.str = malloc(STR_BUFSIZE)) == NULL)
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return (-1);
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}
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/*
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* If the first character is left-parenthesis, the format is
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* `(background,foreground,highlight)' otherwise, we should take it
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* as a reference to another color.
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*/
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if (*cp != '(') {
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/* Copy the [current] value from the referenced color */
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val = dialogrc_config_option(cp)->value.str;
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if (val != NULL)
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snprintf(option->value.str, STR_BUFSIZE, "%s", val);
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return (0);
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} else
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cp++;
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strtolower(cp);
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/* Initialize the attrbuf (fg,bg,hi,NUL) */
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attrbuf[0] = '0';
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attrbuf[1] = '0';
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attrbuf[2] = 'B'; /* \ZB = disable; \Zb = enable (see dialog(1)) */
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attrbuf[3] = '\0';
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/* Interpret the foreground color */
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if (strncmp(cp, "red,", 4) == 0) attrbuf[0] = '1';
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else if (strncmp(cp, "green,", 6) == 0) attrbuf[0] = '2';
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else if (strncmp(cp, "yellow,", 7) == 0) attrbuf[0] = '3';
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else if (strncmp(cp, "blue,", 5) == 0) attrbuf[0] = '4';
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else if (strncmp(cp, "magenta,", 8) == 0) attrbuf[0] = '5';
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else if (strncmp(cp, "cyan,", 5) == 0) attrbuf[0] = '6';
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else if (strncmp(cp, "white,", 6) == 0) attrbuf[0] = '7';
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else if (strncmp(cp, "black,", 6) == 0) attrbuf[0] = '8';
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/* Advance to the background color */
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cp = strchr(cp, ',');
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if (cp == NULL)
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goto write_attrbuf;
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else
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cp++;
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/* Interpret the background color */
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if (strncmp(cp, "red,", 4) == 0) attrbuf[1] = '1';
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else if (strncmp(cp, "green,", 6) == 0) attrbuf[1] = '2';
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else if (strncmp(cp, "yellow,", 7) == 0) attrbuf[1] = '3';
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else if (strncmp(cp, "blue,", 5) == 0) attrbuf[1] = '4';
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else if (strncmp(cp, "magenta,", 8) == 0) attrbuf[1] = '5';
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else if (strncmp(cp, "cyan,", 5) == 0) attrbuf[1] = '6';
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else if (strncmp(cp, "white,", 6) == 0) attrbuf[1] = '7';
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else if (strncmp(cp, "black,", 6) == 0) attrbuf[1] = '8';
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/* Advance to the highlight */
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cp = strchr(cp, ',');
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if (cp == NULL)
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goto write_attrbuf;
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else
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cp++;
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/* Trim trailing parenthesis */
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len = strlen(cp);
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if (cp[len - 1] == ')')
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cp[len - 1] = '\0';
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/* Interpret the highlight (initialized to off above) */
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if (strcmp(cp, "on") == 0 || strncmp(cp, "on,", 3) == 0)
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attrbuf[2] = 'b'; /* \Zb = enable bold (see dialog(1)) */
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write_attrbuf:
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sprintf(option->value.str, "%s", attrbuf);
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return (0);
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}
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/*
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* figpar call-back for interpreting value as .dialogrc `Boolean'
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*/
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static int
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setbool(struct figpar_config *option, uint32_t line __unused,
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char *directive __unused, char *value)
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{
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if (option == NULL) {
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warnx("%s:%d:%s: Missing callback parameter", __FILE__,
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__LINE__, __func__);
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return (-1); /* Abort processing */
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}
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/* Assume ON, check for OFF (case-insensitive) */
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option->value.boolean = 1;
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strtolower(value);
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if (strcmp(value, "off") == 0)
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option->value.boolean = 0;
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return (0);
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}
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/*
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* figpar call-back for interpreting value as .dialogrc `Number'
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*/
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static int
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setnum(struct figpar_config *option, uint32_t line __unused,
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char *directive __unused, char *value)
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{
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if (option == NULL) {
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warnx("%s:%d:%s: Missing callback parameter", __FILE__,
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__LINE__, __func__);
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return (-1); /* Abort processing */
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}
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/* Convert the string to a 32-bit signed integer */
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option->value.num = (int32_t)strtol(value, (char **)NULL, 10);
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return (0);
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}
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/*
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* figpar call-back for interpreting value as .dialogrc `String'
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*/
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static int
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setstr(struct figpar_config *option, uint32_t line __unused,
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char *directive __unused, char *value)
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{
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size_t len;
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if (option == NULL) {
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warnx("%s:%d:%s: Missing callback parameter", __FILE__,
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__LINE__, __func__);
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return (-1); /* Abort processing */
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}
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/* Allocate memory for the data if not already done */
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if (option->value.str == NULL) {
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if ((option->value.str = malloc(STR_BUFSIZE)) == NULL)
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return (-1);
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}
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/* Trim leading quote */
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if (*value == '"')
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value++;
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/* Write the data into the buffer */
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snprintf(option->value.str, STR_BUFSIZE, "%s", value);
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/* Trim trailing quote */
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len = strlen(option->value.str);
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if (option->value.str[len - 1] == '"')
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option->value.str[len - 1] = '\0';
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return (0);
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}
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/*
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* Parse (in order of preference) $DIALOGRC or `$HOME/.dialogrc'. Returns zero
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* on success, -1 on failure (and errno should be consulted).
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*/
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int
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parse_dialogrc(void)
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{
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char *cp;
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int res;
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size_t len;
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char path[PATH_MAX];
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/* Allow $DIALOGRC to override `$HOME/.dialogrc' default */
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if ((cp = getenv(ENV_DIALOGRC)) != NULL && *cp != '\0')
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snprintf(path, PATH_MAX, "%s", cp);
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else if ((cp = getenv(ENV_HOME)) != NULL) {
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/* Copy $HOME into buffer and append trailing `/' if missing */
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snprintf(path, PATH_MAX, "%s", cp);
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len = strlen(path);
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cp = path + len;
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if (len > 0 && len < (PATH_MAX - 1) && *(cp - 1) != '/') {
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*cp++ = '/';
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*cp = '\0';
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len++;
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}
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/* If we still have room, shove in the name of rc file */
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if (len < (PATH_MAX - 1))
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snprintf(cp, PATH_MAX - len, "%s", DIALOGRC);
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} else {
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/* Like dialog(1), don't process a file if $HOME is unset */
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errno = ENOENT;
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return (-1);
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}
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/* Process file (either $DIALOGRC if set, or `$HOME/.dialogrc') */
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res = parse_config(dialogrc_config,
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path, NULL, FIGPAR_BREAK_ON_EQUALS);
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/* Set some globals based on what we parsed */
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use_shadow = dialogrc_config_option("use_shadow")->value.boolean;
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use_colors = dialogrc_config_option("use_colors")->value.boolean;
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snprintf(gauge_color, STR_BUFSIZE, "%s",
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dialogrc_config_option("gauge_color")->value.str);
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return (res);
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}
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/*
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* Return a pointer to the `.dialogrc' config option specific to `directive' or
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* static figpar_dummy_config (full of NULLs) if none found (see
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* get_config_option(3); part of figpar(3)).
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*/
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struct figpar_config *
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dialogrc_config_option(const char *directive)
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{
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return (get_config_option(dialogrc_config, directive));
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}
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/*
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* Free allocated items initialized by setattr() (via parse_config() callback
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* matrix [dialogrc_config] used in parse_dialogrc() above).
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*/
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void
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dialogrc_free(void)
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{
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char *value;
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uint32_t n;
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for (n = 0; dialogrc_config[n].directive != NULL; n++) {
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if (dialogrc_config[n].action != &setattr)
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continue;
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value = dialogrc_config[n].value.str;
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if (value != NULL && value != gauge_color) {
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free(dialogrc_config[n].value.str);
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dialogrc_config[n].value.str = NULL;
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}
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}
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}
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