bitlbee - personal fork of github.com/bitlbee/bitlbee

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Diffstat (limited to 'help.c')

0 files changed, 0 insertions, 0 deletions

/********************************************************************\ * BitlBee -- An IRC to other IM-networks gateway * * * * Copyright 2002-2010 Wilmer van der Gaast and others * \********************************************************************/ /* Help file control */ /* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. 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 with the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; if not, write to the Free Software Foundation, Inc., 51 Franklin St., Fifth Floor, Boston, MA 02110-1301 USA */ #define BITLBEE_CORE #include "bitlbee.h" #include "help.h" #undef read #undef write #define BUFSIZE 1100 help_t *help_init( help_t **help, const char *helpfile ) { int i, buflen = 0; help_t *h; char *s, *t; time_t mtime; struct stat stat[1]; *help = h = g_new0 ( help_t, 1 ); h->fd = open( helpfile, O_RDONLY ); if( h->fd == -1 ) { g_free( h ); return( *help = NULL ); } if( fstat( h->fd, stat ) != 0 ) { g_free( h ); return( *help = NULL ); } mtime = stat->st_mtime; s = g_new (char, BUFSIZE + 1 ); s[BUFSIZE] = 0; while( ( ( i = read( h->fd, s + buflen, BUFSIZE - buflen ) ) > 0 ) || ( i == 0 && strstr( s, "\n%\n" ) ) ) { buflen += i; memset( s + buflen, 0, BUFSIZE - buflen ); if( !( t = strstr( s, "\n%\n" ) ) || s[0] != '?' ) { /* FIXME: Clean up */ help_free( help ); g_free( s ); return NULL; } i = strchr( s, '\n' ) - s; if( h->title ) { h = h->next = g_new0( help_t, 1 ); } h->title = g_new ( char, i ); strncpy( h->title, s + 1, i - 1 ); h->title[i-1] = 0; h->fd = (*help)->fd; h->offset.file_offset = lseek( h->fd, 0, SEEK_CUR ) - buflen + i + 1; h->length = t - s - i - 1; h->mtime = mtime; buflen -= ( t + 3 - s ); t = g_strdup( t + 3 ); g_free( s ); s = g_renew( char, t, BUFSIZE + 1 ); s[BUFSIZE] = 0; } g_free( s ); return( *help ); } void help_free( help_t **help ) { help_t *h, *oh; int last_fd = -1; /* Weak de-dupe */ if( help == NULL || *help == NULL ) return; h = *help; while( h ) { if( h->fd != last_fd ) { close( h->fd ); last_fd = h->fd; } g_free( h->title ); h = (oh=h)->next; g_free( oh ); } *help = NULL; } char *help_get( help_t **help, char *title ) { time_t mtime; struct stat stat[1]; help_t *h; for( h = *help; h; h = h->next ) { if( h->title != NULL && g_strcasecmp( h->title, title ) == 0 ) break; } if( h && h->length > 0 ) { char *s = g_new( char, h->length + 1 ); s[h->length] = 0; if( h->fd >= 0 ) { if( fstat( h->fd, stat ) != 0 ) { g_free( s ); return NULL; } mtime = stat->st_mtime; if( mtime > h->mtime ) { g_free( s ); return NULL; } if( lseek( h->fd, h->offset.file_offset, SEEK_SET ) == -1 || read( h->fd, s, h->length ) != h->length ) return NULL; } else { strncpy( s, h->offset.mem_offset, h->length ); } return s; } return NULL; } int help_add_mem( help_t **help, const char *title, const char *content ) { help_t *h, *l = NULL; for( h = *help; h; h = h->next ) { if( g_strcasecmp( h->title, title ) == 0 ) return 0; l = h; } if( l ) h = l->next = g_new0( struct help, 1 ); else *help = h = g_new0( struct help, 1 ); h->fd = -1; h->title = g_strdup( title ); h->length = strlen( content ); h->offset.mem_offset = g_strdup( content ); return 1; } char *help_get_whatsnew( help_t **help, int old ) { GString *ret = NULL; help_t *h; int v; for( h = *help; h; h = h->next ) if( h->title != NULL && strncmp( h->title, "whatsnew", 8 ) == 0 && sscanf( h->title + 8, "%x", &v ) == 1 && v > old ) { char *s = help_get( &h, h->title ); if( ret == NULL ) ret = g_string_new( s ); else g_string_append_printf( ret, "\n\n%s", s ); g_free( s ); } return ret ? g_string_free( ret, FALSE ) : NULL; }


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