From 671f4230e66648af769f0c210c61e6387c1ef2ca Mon Sep 17 00:00:00 2001 From: in2 Date: Tue, 20 Aug 2002 17:19:11 +0000 Subject: (3rd)smaller memory use git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@486 63ad8ddf-47c3-0310-b6dd-a9e9d9715204 --- mbbsd/board.c | 116 ++++++++++++++++++++++++++++++++++------------------------ mbbsd/mbbsd.c | 3 +- 2 files changed, 70 insertions(+), 49 deletions(-) (limited to 'mbbsd') diff --git a/mbbsd/board.c b/mbbsd/board.c index bc2a3d56..bd8e562e 100644 --- a/mbbsd/board.c +++ b/mbbsd/board.c @@ -1,4 +1,4 @@ -/* $Id: board.c,v 1.56 2002/08/20 16:29:50 in2 Exp $ */ +/* $Id: board.c,v 1.57 2002/08/20 17:19:11 in2 Exp $ */ #include "bbs.h" #define BRC_STRLEN 15 /* Length of board name */ #define BRC_MAXSIZE 24576 @@ -221,74 +221,79 @@ typedef struct { static int *zapbuf = NULL, *favbuf; static boardstat_t *nbrd = NULL; +char zapchange = 0, favchange = 0; #define STR_BBSRC ".bbsrc" #define STR_FAV ".fav" -void -init_brdbuf() +void load_brdbuf(void) { - register int n, size; - char fname[60]; + static char firsttime = 1; + int fd, size, i; + char fname[80]; - /* MAXBOARDS ==> 至多看得見 32 個新板 */ - n = numboards + 32; - size = n * sizeof(int); + size = (numboards + 32) * sizeof(int); zapbuf = (int *)malloc(size); - favbuf = (int *)malloc(size + sizeof(int)); + favbuf = (int *)malloc(size); + zapchange = favchange = 0; - favbuf[0] = 0x5c4d3e; /* for check memory */ - ++favbuf; - - memset(favbuf, 0, size); + if( firsttime ){ + memset(favbuf, 0, size); + for( i = (numboards + 32) - 1 ; i >= 0 ; --i ) + zapbuf[i] = login_start_time; + } - while (n) - zapbuf[--n] = login_start_time; setuserfile(fname, STR_BBSRC); - if ((n = open(fname, O_RDONLY, 0600)) != -1) { - read(n, zapbuf, size); - close(n); + if ((fd = open(fname, O_RDONLY, 0600)) != -1) { + read(fd, zapbuf, size); + close(fd); } setuserfile(fname, STR_FAV); - if ((n = open(fname, O_RDONLY, 0600)) != -1) { - read(n, favbuf, size); - close(n); + if ((fd = open(fname, O_RDONLY, 0600)) != -1) { + read(fd, favbuf, size); + close(fd); + } + + if( firsttime ){ + for (i = 0; i < numboards; i++) + favbuf[i] &= ~BRD_TAG; } - for (n = 0; n < numboards; n++) - favbuf[n] &= ~BRD_TAG; + firsttime = 0; +} +void +init_brdbuf() +{ brc_expire_time = login_start_time - 365 * 86400; } void -save_brdbuf() +free_brdbuf() { int fd, size; char fname[60]; - static char reentrant = 0; - if ( reentrant ) - return; - reentrant = 1; - if (!zapbuf) - return; + size = numboards * sizeof(int); setuserfile(fname, STR_BBSRC); - if ((fd = open(fname, O_WRONLY | O_CREAT, 0600)) != -1) { - size = numboards * sizeof(int); - write(fd, zapbuf, size); - close(fd); - } - if (favbuf[-1] != 0x5c4d3e) { - FILE *fp = fopen(BBSHOME "/log/memorybad", "a"); - fprintf(fp, "%s %s %d\n", cuser.userid, Cdatelite(&now), favbuf[-1]); - fclose(fp); - return; + if ( zapbuf != NULL ){ + if( zapchange && + (fd = open(fname, O_WRONLY | O_CREAT, 0600)) != -1) { + write(fd, zapbuf, size); + close(fd); + } + free(zapbuf); + zapbuf = NULL; } setuserfile(fname, STR_FAV); - if ((fd = open(fname, O_WRONLY | O_CREAT, 0600)) != -1) { - size = numboards * sizeof(int); - write(fd, favbuf, size); - close(fd); + if ( favbuf != NULL ){ + if( favchange && + (fd = open(fname, O_WRONLY | O_CREAT, 0600)) != -1) { + size = numboards * sizeof(int); + write(fd, favbuf, size); + close(fd); + } + free(favbuf); + favbuf = NULL; } } @@ -380,8 +385,8 @@ check_newpost(boardstat_t * ptr) return 1; } -static int brdnum; -static int yank_flag = 1; +static short brdnum; +static char yank_flag = 1; static void load_uidofgid(const int gid, const int type) { @@ -700,6 +705,7 @@ dozap(int num) ptr->myattr &= ~BRD_ZAP; if (!(ptr->myattr & BRD_ZAP)) check_newpost(ptr); + zapchange = 1; zapbuf[ptr->bid - 1] = (ptr->myattr & BRD_ZAP ? 0 : login_start_time); } @@ -711,11 +717,15 @@ choose_board(int newflag) boardstat_t *ptr; int head = -1, ch = 0, currmodetmp, tmp, tmp1, bidtmp; char keyword[13] = ""; + static char depth = 0; #if HAVE_SEARCH_ALL char genbuf[200]; #endif setutmpmode(newflag ? READNEW : READBRD); + if( zapbuf == NULL || favbuf == NULL ) + load_brdbuf(); + ++depth; brdnum = 0; if (!cuser.userlevel) /* guest yank all boards */ yank_flag = 2; @@ -832,6 +842,7 @@ choose_board(int newflag) case 't': ptr = &nbrd[num]; ptr->myattr ^= BRD_TAG; + favchange = 1; favbuf[ptr->bid - 1] = ptr->myattr; head = 9999; case KEY_DOWN: @@ -887,6 +898,7 @@ choose_board(int newflag) case Ctrl('D'): for (tmp = 0; tmp < numboards; tmp++) { if (favbuf[tmp] & BRD_TAG) { + favchange = 1; favbuf[tmp] &= ~BRD_FAV; favbuf[tmp] &= ~BRD_TAG; } @@ -896,6 +908,7 @@ choose_board(int newflag) case Ctrl('A'): for (tmp = 0; tmp < numboards; tmp++) { if (favbuf[tmp] & BRD_TAG) { + favchange = 1; favbuf[tmp] |= BRD_FAV; favbuf[tmp] &= ~BRD_TAG; } @@ -905,6 +918,7 @@ choose_board(int newflag) case Ctrl('T'): for (tmp = 0; tmp < numboards; tmp++) favbuf[tmp] &= ~BRD_TAG; + favchange = 1; brdnum = -1; break; case Ctrl('P'): @@ -914,6 +928,7 @@ choose_board(int newflag) boardheader_t *bh = &bcache[tmp]; if (!(favbuf[tmp] & BRD_TAG) || bh->gid == class_bid) continue; + favchange = 1; favbuf[tmp] &= ~BRD_TAG; if (bh->gid != class_bid) { bh->gid = class_bid; @@ -930,6 +945,7 @@ choose_board(int newflag) if (HAS_PERM(PERM_BASIC)) { ptr = &nbrd[num]; ptr->myattr ^= BRD_FAV; + favchange = 1; favbuf[ptr->bid - 1] = ptr->myattr; head = 9999; } @@ -954,8 +970,10 @@ choose_board(int newflag) brc_initial(ptr->bh->brdname); if (ch == 'v') { ptr->myattr &= ~BRD_UNREAD; + zapchange = 1; zapbuf[ptr->bid - 1] = brc_list[0] = now; } else { + zapchange = 1; zapbuf[ptr->bid - 1] = brc_list[0] = 1; ptr->myattr |= BRD_UNREAD; } @@ -1021,8 +1039,10 @@ choose_board(int newflag) getkeep(buf, head > 1 ? head : 1, tmp + 1); } board_visit_time = zapbuf[ptr->bid - 1]; - if (!(ptr->myattr & BRD_ZAP)) + if (!(ptr->myattr & BRD_ZAP)){ + zapchange = 1; zapbuf[ptr->bid - 1] = now; + } Read(); check_newpost(ptr); head = -1; @@ -1070,6 +1090,8 @@ choose_board(int newflag) } } while (ch != 'q'); free(nbrd); + if( --depth == 0 ) + free_brdbuf(); } int diff --git a/mbbsd/mbbsd.c b/mbbsd/mbbsd.c index dcb4fd76..3d626a59 100644 --- a/mbbsd/mbbsd.c +++ b/mbbsd/mbbsd.c @@ -1,4 +1,4 @@ -/* $Id: mbbsd.c,v 1.47 2002/07/27 13:14:41 kcwu Exp $ */ +/* $Id: mbbsd.c,v 1.48 2002/08/20 17:19:11 in2 Exp $ */ #include "bbs.h" #define SOCKET_QLEN 4 @@ -167,7 +167,6 @@ u_exit(char *mode) reload_money(); auto_backup(); - save_brdbuf(); setflags(PAGER_FLAG, currutmp->pager != 1); setflags(CLOAK_FLAG, currutmp->invisible); -- cgit v1.2.3