/* Snownews - A lightweight console RSS newsreader * $Id: dialog.c 1177 2008-02-17 09:20:34Z kiza $ * * Copyright 2003-2004 Oliver Feiler * http://kiza.kcore.de/software/snownews/ * * dialog.c * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include #include #include #include #include #include #include "config.h" #include "interface.h" #include "main.h" #include "categories.h" #include "ui-support.h" #include "xmlparse.h" #include "filters.h" #include "dialog.h" #include "io-internal.h" #include "conversions.h" extern char *browser; extern struct keybindings keybindings; extern struct categories *first_category; extern struct color color; extern int cursor_always_visible; char * UIOneLineEntryField (int x, int y) { char *text; text = malloc(512); /* UIStatus switches off attron! */ attron (WA_REVERSE); echo(); curs_set(1); move (y, x); /* Beware of hardcoded textlength size! getnstr size does NOT include \0. This is really stupid and causes 1-byte overflows. Always size=len-1! */ getnstr (text, 511); noecho(); if (!cursor_always_visible) curs_set(0); attroff (WA_REVERSE); /* This memory needs to be freed in the calling function! */ return text; } void UIChangeBrowser (void) { char *browserstring; char *fmtstr; int len; repeat: /* malloc = 17 (strlen("Current setting: ") + browser We will malloc a bigger junk, because other languages might need longer strings and crash! */ len = strlen(_("Current setting: %s")) + strlen(browser) + 1; browserstring = malloc (len); snprintf (browserstring, len, _("Current setting: %s"), browser); /* Clear screen area we want to "draw" to. */ attron (WA_REVERSE); UISupportDrawBox (3, 5, COLS-4, 7); UIStatus (browserstring, 0, 0); free (browserstring); browserstring = UIOneLineEntryField (5, 6); if (strlen(browserstring) == 0) { free (browserstring); UIStatus (_("Aborted."), 1, 0); return; } fmtstr = strstr (browserstring, "%"); if ((fmtstr != NULL) && (fmtstr[1] != 's')) { free (browserstring); UIStatus (_("Only %s format strings allowed for default browser!"), 3, 1); goto repeat; } if (strstr(browserstring, "'") != NULL) UIStatus (_("Unsafe browser string (contains quotes)! See snownews.kcore.de/faq#toc2.4"), 3, 1); browser = realloc (browser, strlen(browserstring)+1); strncpy (browser, browserstring, strlen(browserstring)+1); free (browserstring); } /* Dialog to change feedname. Return: 0 on success 1 on user abort 2 original title restored */ void UIChangeFeedName (struct feed *cur_ptr) { char *newname; /* Clear screen area we want to "draw" to. */ attron (WA_REVERSE); UISupportDrawBox (3, 5, COLS-4, 7); UIStatus (_("Enter new name. Blank line to abort. '-' to reset."), 0, 0); newname = UIOneLineEntryField (5, 6); /* If strlen is zero, return 1. */ if (strlen(newname) == 0) { free (newname); return; } /* If newname contains "|", abort since this is used as a delimiter for the config file. */ if (strstr (newname, "|") != NULL) { free (newname); UIStatus (_("The new title must not contain a \"|\" character!"), 2, 0); return ; } /* Restor original title. */ if ((newname != NULL) && (cur_ptr->override != NULL)) { if (strcmp(newname, "-") == 0) { if (cur_ptr->title != NULL) free (cur_ptr->title); cur_ptr->title = strdup(cur_ptr->original); free (cur_ptr->original); /* Set back original to NULL pointer. */ cur_ptr->original = NULL; free (cur_ptr->override); cur_ptr->override = NULL; free (newname); return; } } /* Copy new name into ->override. */ free (cur_ptr->override); cur_ptr->override = strdup (newname); /* Save original. */ free (cur_ptr->original); cur_ptr->original = strdup (cur_ptr->title); /* Set new title. */ free (cur_ptr->title); cur_ptr->title = strdup (newname); free (newname); return; } /* Popup window to add new RSS feed. Passing an URL will automatically add it, no questions asked. */ int UIAddFeed (char * newurl) { char tmp[512]; char *url; struct feed *new_ptr; if (newurl == NULL) { /* Clear screen area we want to "draw" to. */ attron (WA_REVERSE); UISupportDrawBox (3, 5, COLS-4, 7); UIStatus (_("Enter URL of the feed you want to add. Blank line to abort."), 0, 0); url = UIOneLineEntryField (5, 6); /* If read stringlength is ZARO (abort of action requested) return 1 and confuse the calling function. */ if (strlen(url) == 0) { free (url); return 1; } CleanupString(url, 0); /* Support that stupid feed:// "protocol" */ if (strncasecmp (url, "feed://", 7) == 0) memcpy (url, "http", 4); /* If URL does not start with the procotol specification, assume http:// -> tmp[512] -> we can "only" use max 504 chars from url ("http://" == 7). */ if ((strncasecmp (url, "http://", 7) != 0) && (strncasecmp (url, "https://", 8) != 0) && (strncasecmp (url, "exec:", 5) != 0)) { if (strlen (url) < 504) { strcpy (tmp, "http://"); strncat (tmp, url, 504); free (url); url = strdup (tmp); } else { free (url); return 2; } } } else url = strdup (newurl); new_ptr = newFeedStruct(); /* getnstr does not return newline... says the docs. */ new_ptr->feedurl = malloc (strlen(url)+1); /* Attach to feed pointer chain. */ strncpy (new_ptr->feedurl, url, strlen(url)+1); new_ptr->next_ptr = first_ptr; if (first_ptr != NULL) first_ptr->prev_ptr = new_ptr; new_ptr->prev_ptr = NULL; first_ptr = new_ptr; /* Tag execurl. */ if (strncasecmp (url, "exec:", 5) == 0) new_ptr->execurl = 1; if (strncasecmp (url, "smartfeed:", 10) == 0) new_ptr->smartfeed = 1; /* Don't need url text anymore. */ free (url); /* Download new feed and DeXMLize it. */ if ((UpdateFeed (new_ptr)) != 0) { UIStatus (_("The feed could not be parsed. Do you need a filter script for this feed? (y/n)"), 0, 0); if (getch() == 'n') return -1; else { UIPerFeedFilter (new_ptr); FilterPipeNG (new_ptr); if ((DeXML (new_ptr)) != 0) return -1; else { new_ptr->problem = 0; return 0; } } } return 0; } void FeedInfo (struct feed * current_feed) { int centerx, len; char *hashme; /* Hashed filename. */ char *file; char *categories = NULL; char *url; /* feedurl - authinfo. */ char *tmp = NULL; char *tmp2; struct stat filetest; url = strdup (current_feed->feedurl); /* Remove authinfo from URL. */ tmp = strstr (url, "@"); if (tmp != NULL) { tmp2 = strstr (url, "://"); tmp2 += 3; memmove (tmp2, tmp+1, strlen(tmp)); } centerx = COLS / 2; hashme = Hashify(current_feed->feedurl); len = (strlen(getenv("HOME")) + strlen(hashme) + 18); file = malloc (len); snprintf (file, len, "%s/.snownews/cache/%s", getenv("HOME"), hashme); UISupportDrawBox (5, 4, COLS-6, 13); attron (WA_REVERSE); mvaddstr (5, centerx-((strlen(current_feed->title))/2), current_feed->title); mvaddnstr (7, centerx-(COLS/2-7), url, COLS-14); if (current_feed->lastmodified != NULL) mvprintw (8, centerx-(COLS/2-7), _("Last updated: %s"), current_feed->lastmodified); else mvaddstr (8, centerx-(COLS/2-7), _("No modification date.")); if ((stat (file, &filetest)) != -1) { mvprintw (9, centerx-(COLS/2-7), _("In disk cache: %lld bytes"), (long long int) filetest.st_size); } else mvaddstr (9, centerx-(COLS/2-7), _("Not in disk cache.")); /* Print category info */ mvaddstr (10, centerx-(COLS/2-7), _("Categories:")); if (current_feed->feedcategories == NULL) mvaddstr (10, centerx-(COLS/2-7)+strlen(_("Categories:"))+1, _("none")); else { categories = GetCategoryList (current_feed); mvprintw (10, centerx-(COLS/2-7)+strlen(_("Categories:"))+1, categories); free (categories); } /* Tell user if feed uses auth, but don't display the string. */ if (tmp != NULL) mvaddstr (11, centerx-(COLS/2-7), _("Feed uses authentication.")); else mvaddstr (11, centerx-(COLS/2-7), _("Feed does not use authentication.")); /* Add a smiley indicator to the http status telling the overall status so you don't have to know what the HTTP return codes mean. Yes I think I got the idea from cdparanoia. :) */ if (current_feed->lasthttpstatus != 0) { if (current_feed->content_type == NULL) { len = strlen(_("Last webserver status: %d")); mvprintw (12, centerx-(COLS/2-7), _("Last webserver status: %d"), current_feed->lasthttpstatus); } else { len = strlen(_("Last webserver status: (%s) %d")) + strlen(current_feed->content_type) - 2; /* -2 == %s */ mvprintw (12, centerx-(COLS/2-7), _("Last webserver status: (%s) %d"), current_feed->content_type, current_feed->lasthttpstatus); } switch (current_feed->lasthttpstatus) { case 200: case 304: mvaddstr (12, centerx-(COLS/2-7)+len+2, ":-)"); break; case 401: case 403: case 500: case 503: mvaddstr (12, centerx-(COLS/2-7)+len+2, ":-P"); break; case 404: case 410: mvaddstr (12, centerx-(COLS/2-7)+len+2, ":-("); break; default: mvaddstr (12, centerx-(COLS/2-7)+len+2, "8-X"); break; } } /* Display filter script if any. */ if (current_feed->perfeedfilter != NULL) { UISupportDrawBox (5, 13, COLS-6, 14); attron (WA_REVERSE); mvaddstr (13, 7, _("Filtered through:")); mvaddnstr (13, 7+strlen(_("Filtered through:"))+1, current_feed->perfeedfilter, COLS-14-strlen(_("Filtered through:"))); } UIStatus (_("Displaying feed information."), 0, 0); free (file); free (hashme); free (url); /* Wait for the any key. */ getch(); } int UIDeleteFeed (char * feedname) { UISupportDrawBox (3, 5, COLS-3, 8); attron (WA_REVERSE); mvaddstr (6, COLS/2-21, _("Are you sure you want to delete this feed?")); mvprintw (7, 5, "%s", feedname); UIStatus (_("Type 'y' to delete, any other key to abort."), 0, 0); if (getch() == 'y') return 1; else return 0; } void UIHelpScreen (void) { int centerx, centery; /* Screen center x/y coordinate. */ int userinput; int offset = 18; int offsetstr = 12; centerx = COLS / 2; centery = LINES / 2; UISupportDrawBox ((COLS/2)-20, (LINES/2)-10, (COLS/2)+24, (LINES/2)+10); attron (WA_REVERSE); /* Keys */ mvprintw (centery-9, centerx-offset, "%c:", keybindings.addfeed); mvprintw (centery-8, centerx-offset, "%c:", keybindings.deletefeed); mvprintw (centery-7, centerx-offset, "%c:", keybindings.changefeedname); mvprintw (centery-6, centerx-offset, "%c:", keybindings.reloadall); mvprintw (centery-5, centerx-offset, "%c:", keybindings.reload); mvprintw (centery-4, centerx-offset, "%c:", keybindings.markallread); mvprintw (centery-3, centerx-offset, "%c:", keybindings.dfltbrowser); mvprintw (centery-2, centerx-offset, "%c, %c:", keybindings.moveup, keybindings.movedown); mvprintw (centery-1, centerx-offset, "%c:", keybindings.sortfeeds); mvprintw (centery, centerx-offset, "%c:", keybindings.categorize); mvprintw (centery+1, centerx-offset, "%c:", keybindings.filter); mvprintw (centery+2, centerx-offset, "%c:", keybindings.filtercurrent); mvprintw (centery+3, centerx-offset, "%c:", keybindings.nofilter); mvprintw (centery+4, centerx-offset, "%c:", keybindings.newheadlines); mvprintw (centery+5, centerx-offset, "%c:", keybindings.perfeedfilter); mvaddstr (centery+6, centerx-offset, _("tab:")); mvprintw (centery+7, centerx-offset, "%c:", keybindings.about); mvprintw (centery+8, centerx-offset, "%c:", 'E'); mvprintw (centery+9, centerx-offset, "%c:", keybindings.quit); /* Descriptions */ mvaddstr (centery-9, centerx-offsetstr, _("Add RSS feed...")); mvaddstr (centery-8, centerx-offsetstr, _("Delete highlighted RSS feed...")); mvaddstr (centery-7, centerx-offsetstr, _("Rename feed...")); mvaddstr (centery-6, centerx-offsetstr, _("Reload all feeds")); mvaddstr (centery-5, centerx-offsetstr, _("Reload this feed")); mvaddstr (centery-4, centerx-offsetstr, _("Mark all read")); mvaddstr (centery-3, centerx-offsetstr, _("Change default browser...")); mvaddstr (centery-2, centerx-offsetstr, _("Move item up, down")); mvaddstr (centery-1, centerx-offsetstr, _("Sort feed list alphabetically")); mvaddstr (centery, centerx-offsetstr, _("Categorize feed...")); mvaddstr (centery+1, centerx-offsetstr, _("Apply filter...")); mvaddstr (centery+2, centerx-offsetstr, _("Only current category")); mvaddstr (centery+3, centerx-offsetstr, _("Remove filter")); mvaddstr (centery+4, centerx-offsetstr, _("Show new headlines")); mvaddstr (centery+5, centerx-offsetstr, _("Add conversion filter...")); mvaddstr (centery+6, centerx-offsetstr, _("Type Ahead Find")); mvaddstr (centery+7, centerx-offsetstr, _("About")); mvaddstr (centery+8, centerx-offsetstr, _("Show error log...")); mvaddstr (centery+9, centerx-offsetstr, _("Quit program")); attroff (WA_REVERSE); UIStatus (_("Press the any(tm) key to exit help screen."), 0, 0); userinput = getch(); /* Return input back into input queue so it gets automatically executed. */ if ((userinput != '\n') && (userinput != 'h') && (userinput != 'q')) ungetch(userinput); } void UIDisplayFeedHelp (void) { int centerx, centery; /* Screen center x/y coordinate. */ int userinput; int offset = 18; int offsetstr = 7; centerx = COLS / 2; centery = LINES / 2; UISupportDrawBox ((COLS/2)-20, (LINES/2)-6, (COLS/2)+24, (LINES/2)+7); attron (WA_REVERSE); /* Keys */ mvprintw (centery-5, centerx-offset, _("%c, up:"), keybindings.prev); mvprintw (centery-4, centerx-offset, _("%c, down:"), keybindings.next); mvaddstr (centery-3, centerx-offset, _("enter:")); mvprintw (centery-2, centerx-offset, "%c:", keybindings.reload); mvprintw (centery-1, centerx-offset, "%c:", keybindings.forcereload); mvprintw (centery, centerx-offset, "%c:", keybindings.urljump); mvprintw (centery+1, centerx-offset, "%c:", keybindings.urljump2); mvprintw (centery+2, centerx-offset, "%c:", keybindings.markread); mvprintw (centery+3, centerx-offset, "%c:", keybindings.markunread); mvprintw (centery+4, centerx-offset, "%c:", keybindings.feedinfo); mvaddstr (centery+5, centerx-offset, _("tab:")); mvprintw (centery+6, centerx-offset, "%c:", keybindings.prevmenu); /* Descriptions */ mvprintw (centery-5, centerx-offsetstr, _("Previous item")); mvprintw (centery-4, centerx-offsetstr, _("Next item")); mvaddstr (centery-3, centerx-offsetstr, _("View item")); mvprintw (centery-2, centerx-offsetstr, _("Reload this feed")); mvprintw (centery-1, centerx-offsetstr, _("Force reload this feed")); mvprintw (centery, centerx-offsetstr, _("Open homepage")); mvprintw (centery+1, centerx-offsetstr, _("Open link")); mvprintw (centery+2, centerx-offsetstr, _("Mark all read")); mvprintw (centery+3, centerx-offsetstr, _("Toggle item read status")); mvprintw (centery+4, centerx-offsetstr, _("Show feed info...")); mvaddstr (centery+5, centerx-offsetstr, _("Type Ahead Find")); mvprintw (centery+6, centerx-offsetstr, _("Return to main menu")); attroff (WA_REVERSE); UIStatus (_("Press the any(tm) key to exit help screen."), 0, 0); userinput = getch(); if ((userinput != '\n') && (userinput != 'h')) ungetch(userinput); } void UIDisplayItemHelp (void) { int centerx, centery; /* Screen center x/y coordinate. */ int userinput; int offset = 16; int offsetstr = 6; centerx = COLS / 2; centery = LINES / 2; UISupportDrawBox ((COLS/2)-18, (LINES/2)-2, (COLS/2)+18, (LINES/2)+3); attron (WA_REVERSE); /* Keys */ mvprintw (centery-1, centerx-offset, "%c, <-:", keybindings.prev); mvprintw (centery, centerx-offset, "%c, ->:", keybindings.next); mvprintw (centery+1, centerx-offset, "%c:", keybindings.urljump); mvprintw (centery+2, centerx-offset, _("%c, enter:"), keybindings.prevmenu); /* Descriptions */ mvaddstr (centery-1, centerx-offsetstr, _("Previous item")); mvaddstr (centery, centerx-offsetstr, _("Next item")); mvaddstr (centery+1, centerx-offsetstr, _("Open link")); mvaddstr (centery+2, centerx-offsetstr, _("Return to overview")); attroff (WA_REVERSE); UIStatus (_("Press the any(tm) key to exit help screen."), 0, 0); userinput = getch(); if ((userinput != '\n') && (userinput != 'h')) ungetch(userinput); } /* Add/remove categories for given feed. This takes over the main interface while running. */ void CategorizeFeed (struct feed * current_feed) { int i, n, nglobal, y; int uiinput; char tmp[512]; char *newcategory; struct feedcategories *category; struct categories *cur_ptr; /* Return if we got passed a NULL pointer (no feeds added to main program). */ if (current_feed == NULL) return; /* Determine number of global categories. */ nglobal = 0; for (cur_ptr = first_category; cur_ptr != NULL; cur_ptr = cur_ptr->next_ptr) { nglobal++; } /* We're taking over the program! */ while (1) { /* Determine number of categories for current_feed. */ n = 0; for (category = current_feed->feedcategories; category != NULL; category = category->next_ptr) { n++; } UISupportDrawBox ((COLS/2)-37, 2, (COLS/2)+37, 2+3+nglobal+1); attron (WA_REVERSE); mvprintw (3, (COLS/2)-((strlen(_("Category configuration for %s"))+strlen(current_feed->title))/2), _("Category configuration for %s"), current_feed->title); /* No category defined yet */ if (current_feed->feedcategories == NULL) { i = 49; y = 5; mvaddstr (y, (COLS/2)-33, _("No category defined. Select one or add a new category:")); for (cur_ptr = first_category; cur_ptr != NULL; cur_ptr = cur_ptr->next_ptr) { mvprintw (y+1, (COLS/2)-33, "%c. %s", i, cur_ptr->name); y++; i++; /* Fast forward to 'a' if we hit ASCII 58 ':' */ if (i == 58) i += 39; } snprintf (tmp, sizeof(tmp), _("Select category number to add, press 'A' to add a new category or '%c' to quit."), keybindings.quit); UIStatus (tmp, 0, 0); } else { i = 49; y = 5; mvaddstr (y, (COLS/2)-33, _("Categories defined for this feed:")); for (category = current_feed->feedcategories; category != NULL; category = category->next_ptr) { mvprintw (y+1, (COLS/2)-33, "%c. %s", i, category->name); y++; i++; /* Fast forward to 'a' if we hit ASCII 58 ':' */ if (i == 58) i += 39; } snprintf (tmp, sizeof(tmp), _("Select a category number to delete, press 'A' to add a new one or '%c' to quit."), keybindings.quit); UIStatus (tmp, 0, 0); } refresh(); uiinput = getch(); if (uiinput == keybindings.quit) return; if (uiinput == 'A') { if ((n > 0) && (nglobal > 0)) { /* Clear screen area we want to "draw" to. */ UISupportDrawBox ((COLS/2)-37, 5, (COLS/2)+37, 2+3+nglobal+1); attron (WA_REVERSE); i = 49; y = 5; mvaddstr (y, (COLS/2)-33, _("Select a new category or add a new one:")); for (cur_ptr = first_category; cur_ptr != NULL; cur_ptr = cur_ptr->next_ptr) { mvprintw (y+1, (COLS/2)-33, "%c. %s", i, cur_ptr->name); y++; i++; /* Fast forward to 'a' if we hit ASCII 58 ':' */ if (i == 58) i += 39; } snprintf (tmp, sizeof(tmp), _("Select category number to add, press 'A' to add a new category or '%c' to quit."), keybindings.quit); UIStatus (tmp, 0, 0); uiinput = getch(); } if (uiinput == 'A') { /* Clear screen area we want to "draw" to. */ UISupportDrawBox ((COLS/2)-37, 5, (COLS/2)+37, 2+3+nglobal+1); attron (WA_REVERSE); UIStatus (_("Enter new category name."), 0, 0); newcategory = UIOneLineEntryField ((COLS/2)-33, 5); if (strlen(newcategory) == 0) UIStatus (_("Aborted."), 1, 0); else { if (!FeedCategoryExists (current_feed, newcategory)) FeedCategoryAdd (current_feed, newcategory); else UIStatus (_("Category already defined for this feed!"), 1, 0); } free (newcategory); } else { /* To add category below. */ n = 0; } } /* If uiinput is 1-9,a-z If uiinput < i (ASCII of max selectable element) ignore event. */ if ((((uiinput >= 49) && (uiinput <= 57)) || ((uiinput >= 97) && (uiinput <= 122))) && (uiinput < i)) { if (uiinput <= 57) i = uiinput - 48; else i = uiinput - 87; if (n > 0) { /* Delete category code for n (number of categories defined for current feed) > 0 */ /* Decrease i by one while walking the category linked list. If we hit 0, break. category->name will now contain the category we want to remove. */ for (category = current_feed->feedcategories; category != NULL; category = category->next_ptr) { if (i == 1) break; i--; } /* Delete entry from feed categories. */ FeedCategoryDelete (current_feed, category->name); } else { /* If n == 0 add category with number i to feed. */ for (cur_ptr = first_category; cur_ptr != NULL; cur_ptr = cur_ptr->next_ptr) { if (i == 1) break; i--; } /* Add category to current feed */ FeedCategoryAdd (current_feed, cur_ptr->name); } } } } /* Allocates and returns a filter string the user has chosen from the list of available categories. If no filter is chosen a NULL pointer is returned. */ char * DialogGetCategoryFilter (void) { int i, nglobal, y; char *filterstring = NULL; int uiinput; struct categories *cur_ptr; /* Determine number of global categories. */ nglobal = 0; for (cur_ptr = first_category; cur_ptr != NULL; cur_ptr = cur_ptr->next_ptr) { nglobal++; } UISupportDrawBox ((COLS/2)-35, 2, (COLS/2)+35, nglobal+4); attron (WA_REVERSE); mvaddstr (3, (COLS/2)-(strlen(_("Select filter to apply"))/2), _("Select filter to apply")); i = 49; y = 3; for (cur_ptr = first_category; cur_ptr != NULL; cur_ptr = cur_ptr->next_ptr) { mvprintw (y+1, (COLS/2)-33, "%c. %s", i, cur_ptr->name); y++; i++; /* Fast forward to 'a' if we hit ASCII 58 ':' */ if (i == 58) i += 39; } UIStatus (_("Select a category number or any other key to reset filters."), 0, 0); refresh(); uiinput = getch(); /* If uiinput is 1-9,a-z If uiinput < i (ASCII of max selectable element) ignore event. */ if ((((uiinput >= 49) && (uiinput <= 57)) || ((uiinput >= 97) && (uiinput <= 123))) && (uiinput < i)) { if (uiinput <= 57) i = uiinput - 48; else i = uiinput - 87; for (cur_ptr = first_category; cur_ptr != NULL; cur_ptr = cur_ptr->next_ptr) { if (i == 1) break; i--; } filterstring = strdup (cur_ptr->name); } return filterstring; } int UIPerFeedFilter (struct feed * current_feed) { char *newstring = NULL; if (current_feed->smartfeed != 0) return -1; /* Clear screen area we want to "draw" to. */ attron (WA_REVERSE); UISupportDrawBox (3, 5, COLS-4, 7); UIStatus (_("Enter script to pipe feed through."), 0, 0); newstring = UIOneLineEntryField (5, 6); /* If strlen is zero, return 1. */ if (strlen(newstring) == 0) { free (newstring); return 1; } /* If newname contains "|", abort since this is used as a delimiter for the config file. */ if (strstr (newstring, "|") != NULL) { free (newstring); return 3; } free (current_feed->perfeedfilter); current_feed->perfeedfilter = strdup (newstring); free (newstring); return 0; }