Changing interface, extracting code to brc.c.

(Not able to compile yet).


git-svn-id: http://opensvn.csie.org/pttbbs/branches/scw.brc2@1683 63ad8ddf-47c3-0310-b6dd-a9e9d9715204

4 files changed, 305 insertions, 295 deletions

diff --git a/mbbsd/Makefile b/mbbsd/Makefile
index 7c3b6996..1a078380 100644
--- a/mbbsd/Makefile
+++ b/mbbsd/Makefile
@@ -12,7 +12,7 @@ OBJS=	admin.o announce.o args.o assess.o bbs.o board.o cache.o cal.o card.o\
 	chat.o chc.o chicken.o convert.o dark.o edit.o fav.o friend.o gamble.o\
 	gomo.o guess.o indict.o io.o kaede.o lovepaper.o mail.o mbbsd.o menu.o\
 	more.o name.o osdep.o othello.o page.o read.o record.o\
-	register.o screen.o stuff.o talk.o term.o topsong.o user.o\
+	register.o screen.o stuff.o talk.o term.o topsong.o user.o brc.o\
 	vice.o vote.o xyz.o voteboard.o syspost.o var.o passwd.o calendar.o
 
 .SUFFIXES: .c .o
diff --git a/mbbsd/board.c b/mbbsd/board.c
index 200376eb..35aa7f42 100644
--- a/mbbsd/board.c
+++ b/mbbsd/board.c
@@ -1,298 +1,5 @@
 /* $Id$ */
 #include "bbs.h"
-#define BRC_STRLEN 15		/* Length of board name */
-#define BRC_MAXSIZE     24576   /* Effective size of brc rc file */
-#define BRC_ITEMSIZE    (BRC_STRLEN + 1 + BRC_MAXNUM * sizeof( int ))
-    /* Maximum size of each record */
-#define BRC_MAXNUM      80      /* Upper bound of brc_num, size of brc_list  */
-
-/* brc rc file form:
- * board_name     15 bytes
- * brc_num         1 byte, binary integer
- * brc_list       brc_num * sizeof(int) bytes, brc_num binary integer(s) */
-
-static time_t   brc_expire_time;
- /* Will be set to the time one year before login. All the files created
-  * before then will be recognized read. */
-
-static int      brc_changed = 0;
-/* The below two will be filled by read_brc_buf() and brc_update() */
-static char    *brc_buf = NULL;
-static int      brc_size;
-
-static char * const fn_boardrc = ".boardrc";
-
-static char    *
-brc_getrecord(char *ptr, char *endp, char *name, int *pnum, int *list)
-{
-    int             num;
-    char           *tmp;
-
-    if (ptr + BRC_STRLEN + 1 > endp) return endp + 1;
-    strncpy(name, ptr, BRC_STRLEN); /* board_name */
-    ptr += BRC_STRLEN;
-    num = (*ptr++) & 0xff;          /* brc_num */
-    tmp = ptr + num * sizeof(int);  /* end of this record */
-    if (tmp <= endp){
-	if (num > BRC_MAXNUM) /* FIXME if this happens... may crash next time. */
-	    num = BRC_MAXNUM;
-	*pnum = num;
-	memcpy(list, ptr, num * sizeof(int)); /* brc_list */
-    }
-    return tmp;
-}
-
-static char    *
-brc_putrecord(char *ptr, char *endp, const char *name, int num, const int *list)
-{
-    if (num > 0 && list[0] > brc_expire_time &&
-	    ptr + BRC_STRLEN + 1 <= endp) {
-	if (num > BRC_MAXNUM)
-	    num = BRC_MAXNUM;
-
-	while (num > 1 && list[num - 1] < brc_expire_time)
-	    num--; /* not to write the times before brc_expire_time */
-
-	if( num == 0 ) return ptr;
-
-	strncpy(ptr, name, BRC_STRLEN);  /* write in board_name */
-	ptr += BRC_STRLEN;
-	*ptr++ = num;                    /* write in brc_num */
-	if (ptr + num * sizeof(int) <= endp)
-	    memcpy(ptr, list, num * sizeof(int)); /* write in brc_list */
-	ptr += num * sizeof(int);
-    }
-    return ptr;
-}
-
-static inline void
-brc_insert_record(const char* board, int num, int* list)
-{
-    char            *ptr, *endp, *tmpp = 0;
-    char            tmp_buf[BRC_ITEMSIZE];
-    char            tmp_name[BRC_STRLEN];
-    int             tmp_list[BRC_MAXNUM];
-    int             new_size, end_size, tmp_num;
-    int             found = 0;
-
-    ptr = brc_buf;
-    endp = &brc_buf[brc_size];
-    while (ptr < endp && (*ptr >= ' ' && *ptr <= 'z')) {
-	/* for each available records */
-	tmpp = brc_getrecord(ptr, endp, tmp_name, &tmp_num, tmp_list);
-
-	if ( tmpp > endp ){
-	    /* dangling, ignore the trailing data */
-	    brc_size = (int)(ptr - brc_buf);
-	    break;
-	}
-	if ( strncmp(tmp_name, board, BRC_STRLEN) == 0 ){
-	    found = 1;
-	    break;
-	}
-	ptr = tmpp;
-    }
-
-    if( ! found ){
-	/* put on the beginning */
-	ptr = brc_putrecord(tmp_buf, tmp_buf + BRC_MAXSIZE,
-		board, num, list);
-	new_size = (int)(ptr - tmp_buf);
-	if( new_size ){
-	    brc_size += new_size;
-	    if ( brc_size > BRC_MAXSIZE )
-		brc_size = BRC_MAXSIZE;
-	    memmove(brc_buf + new_size, brc_buf, brc_size);
-	    memmove(brc_buf, tmp_buf, new_size);
-	}
-    }else{
-	/* ptr points to the old current brc list.
-	 * tmpp is the end of it (exclusive).       */
-	end_size = endp - tmpp;
-	new_size = (int)(brc_putrecord(tmp_buf, tmp_buf + BRC_ITEMSIZE,
-		    board, num, list) - tmp_buf);
-	if( new_size ){
-	    brc_size += new_size - (tmpp - ptr);
-	    if ( brc_size > BRC_MAXSIZE ){
-		end_size -= brc_size - BRC_MAXSIZE;
-		brc_size = BRC_MAXSIZE;
-	    }
-	    if ( end_size > 0 && ptr + new_size != tmpp )
-		memmove(ptr + new_size, tmpp, end_size);
-	    memmove(ptr, tmp_buf, new_size);
-	}else
-	    memmove(ptr, tmpp, brc_size - (tmpp - brc_buf));
-    }
-
-    brc_changed = 0;
-}
-
-void
-brc_update(){
-    if (brc_changed && cuser->userlevel && brc_num > 0)
-	brc_insert_record(currboard, brc_num, brc_list);
-}
-
-inline static void
-read_brc_buf()
-{
-    if( brc_buf == NULL ){
-	char            dirfile[STRLEN];
-	int             fd;
-
-	brc_buf = malloc(BRC_MAXSIZE);
-	setuserfile(dirfile, fn_boardrc);
-	if ((fd = open(dirfile, O_RDONLY)) != -1) {
-	    brc_size = read(fd, brc_buf, BRC_MAXSIZE);
-	    close(fd);
-	} else {
-	    brc_size = 0;
-	}
-    }
-}
-
-void
-brc_finalize(){
-    char brcfile[STRLEN];
-    int fd;
-    brc_update();
-    setuserfile(brcfile, fn_boardrc);
-    if (brc_buf != NULL &&
-	(fd = open(brcfile, O_WRONLY | O_CREAT | O_TRUNC, 0644)) != -1) {
-	write(fd, brc_buf, brc_size);
-	close(fd);
-    }
-}
-
-void
-brc_initialize(){
-    static char done = 0;
-    if( done )
-	return;
-    done = 1;
-    brc_expire_time = login_start_time - 365 * 86400;
-    read_brc_buf();
-}
-
-int
-brc_read_record(const char* bname, int* num, int* list){
-    char            *ptr;
-    char            *endp;
-    char            tmp_name[BRC_STRLEN];
-    ptr = brc_buf;
-    endp = &brc_buf[brc_size];
-    while (ptr < endp && (*ptr >= ' ' && *ptr <= 'z')) {
-	/* for each available records */
-	ptr = brc_getrecord(ptr, endp, tmp_name, num, list);
-	if (strncmp(tmp_name, bname, BRC_STRLEN) == 0)
-	    return *num;
-    }
-    *num = list[0] = 1;
-    return 0;
-}
-
-int
-brc_initial_board(const char *boardname)
-{
-    brc_initialize();
-
-    if (strcmp(currboard, boardname) == 0) {
-	return brc_num;
-    }
-
-    brc_update(); /* write back first */
-    strlcpy(currboard, boardname, sizeof(currboard));
-    currbid = getbnum(currboard);
-    currbrdattr = bcache[currbid - 1].brdattr;
-
-    return brc_read_record(boardname, &brc_num, brc_list);
-}
-
-static void
-brc_trunc(const char* brdname, int ftime){
-    brc_insert_record(brdname, 1, &ftime);
-    if (strncmp(brdname, currboard, BRC_STRLEN) == 0){
-	brc_num = 1;
-	brc_list[0] = ftime;
-	brc_changed = 0;
-    }
-}
-
-void
-brc_addlist(const char *fname)
-{
-    int             ftime, n, i;
-
-    if (!cuser->userlevel)
-	return;
-
-    ftime = atoi(&fname[2]);
-    if (ftime <= brc_expire_time /* too old, don't do any thing  */
-	 /* || fname[0] != 'M' || fname[1] != '.' */ ) {
-	return;
-    }
-    if (brc_num <= 0) { /* uninitialized */
-	brc_list[0] = ftime;
-	brc_num = 1;
-	brc_changed = 1;
-	return;
-    }
-    if ((brc_num == 1) && (ftime < brc_list[0])) /* most when after 'v' */
-	return;
-    for (n = 0; n < brc_num; n++) { /* using linear search */
-	if (ftime == brc_list[n]) {
-	    return;
-	} else if (ftime > brc_list[n]) {
-	    if (brc_num < BRC_MAXNUM)
-		brc_num++;
-	    /* insert ftime in to brc_list */
-	    for (i = brc_num - 1; --i >= n; brc_list[i + 1] = brc_list[i]);
-	    brc_list[n] = ftime;
-	    brc_changed = 1;
-	    return;
-	}
-    }
-}
-
-static int
-brc_unread_time(time_t ftime, int bnum, const int *blist)
-{
-    int             n;
-
-    if (ftime <= brc_expire_time) /* too old */
-	return 0;
-
-    if (brc_num <= 0)
-	return 1;
-    for (n = 0; n < bnum; n++) { /* using linear search */
-	if (ftime > blist[n])
-	    return 1;
-	else if (ftime == blist[n])
-	    return 0;
-    }
-    return 0;
-}
-
-int
-brc_unread(const char *fname, int bnum, const int *blist)
-{
-    int             ftime, n;
-
-    ftime = atoi(&fname[2]); /* this will get the time of the file created */
-
-    if (ftime <= brc_expire_time) /* too old */
-	return 0;
-
-    if (brc_num <= 0)
-	return 1;
-    for (n = 0; n < bnum; n++) { /* using linear search */
-	if (ftime > blist[n])
-	    return 1;
-	else if (ftime == blist[n])
-	    return 0;
-    }
-    return 0;
-}
 
 /* personal board state
  * 相對於看板的 attr (BRD_* in ../include/pttstruct.h),
diff --git a/mbbsd/brc.c b/mbbsd/brc.c
new file mode 100644
index 00000000..636b8dbe
--- /dev/null
+++ b/mbbsd/brc.c
@@ -0,0 +1,303 @@
+#include "bbs.h"
+
+#ifndef BRC_MAXNUM
+#define BRC_MAXSIZE     24576   /* Effective size of brc rc file, 8192 * 3 */
+#define BRC_ITEMSIZE    ((BRC_MAXNUM + 2) * sizeof( int ))
+    /* Maximum size of each record */
+#define BRC_MAXNUM      80      /* Upper bound of brc_num, size of brc_list  */
+#endif
+
+/* brc rc file form:
+ * board_name     15 bytes
+ * brc_num         1 byte, binary integer
+ * brc_list       brc_num * sizeof(int) bytes, brc_num binary integer(s) */
+
+static time_t   brc_expire_time;
+ /* Will be set to the time one year before login. All the files created
+  * before then will be recognized read. */
+
+static int      brc_changed = 0;
+/* The below two will be filled by read_brc_buf() and brc_update() */
+static int     *brc_buf = NULL;
+static int      brc_size;
+
+static char * const fn_oldboardrc = ".boardrc";
+static char * const fn_brc = ".brc2";
+
+static int    *
+brc_getrecord(int *ptr, int *endp, int *bid, int *pnum, int *list)
+{
+    int  num;
+    int *tmp;
+
+    if (ptr + 2 > endp)
+	return endp + 1; /* dangling, ignoring it */
+    *bid = *ptr++;       /* bid */
+    num = *ptr++;          /* brc_num */
+    tmp = ptr + num;     /* end of this record */
+    if (tmp <= endp){
+	memcpy(list, ptr, num * sizeof(int)); /* brc_list */
+	if (num > BRC_MAXNUM)
+	    num = BRC_MAXNUM;
+	*pnum = num;
+    }
+    return tmp;
+}
+
+static int *
+brc_putrecord(int *ptr, int *endp, int bid, int num, const int *list)
+{
+    if (num > 0 && list[0] > brc_expire_time &&
+	    ptr + 2 <= endp) {
+	if (num > BRC_MAXNUM)
+	    num = BRC_MAXNUM;
+
+	while (num > 1 && list[num - 1] < brc_expire_time)
+	    num--; /* don't write the times before brc_expire_time */
+
+	if( num == 0 ) return ptr;
+
+	*ptr++ = bid;         /* write in bid */
+	*ptr++ = num;         /* write in brc_num */
+	if (ptr + num <= endp)
+	    memcpy(ptr, list, num * sizeof(int)); /* write in brc_list */
+	ptr += num;
+    }
+    return ptr;
+}
+
+#error "Below not changed yet"
+static inline void
+brc_insert_record(const char* board, int num, int* list)
+{
+    int            *ptr, *endp, *tmpp = 0;
+    char            tmp_buf[BRC_ITEMSIZE];
+    char            tmp_name[BRC_STRLEN];
+    int             tmp_list[BRC_MAXNUM];
+    int             new_size, end_size, tmp_num;
+    int             found = 0;
+
+    ptr = brc_buf;
+    endp = &brc_buf[brc_size];
+    while (ptr < endp && (*ptr >= ' ' && *ptr <= 'z')) {
+	/* for each available records */
+	tmpp = brc_getrecord(ptr, endp, tmp_name, &tmp_num, tmp_list);
+
+	if ( tmpp > endp ){
+	    /* dangling, ignore the trailing data */
+	    brc_size = (int)(ptr - brc_buf);
+	    break;
+	}
+	if ( strncmp(tmp_name, board, BRC_STRLEN) == 0 ){
+	    found = 1;
+	    break;
+	}
+	ptr = tmpp;
+    }
+
+    if( ! found ){
+	/* put on the beginning */
+	ptr = brc_putrecord(tmp_buf, tmp_buf + BRC_MAXSIZE,
+		board, num, list);
+	new_size = (int)(ptr - tmp_buf);
+	if( new_size ){
+	    brc_size += new_size;
+	    if ( brc_size > BRC_MAXSIZE )
+		brc_size = BRC_MAXSIZE;
+	    memmove(brc_buf + new_size, brc_buf, brc_size);
+	    memmove(brc_buf, tmp_buf, new_size);
+	}
+    }else{
+	/* ptr points to the old current brc list.
+	 * tmpp is the end of it (exclusive).       */
+	end_size = endp - tmpp;
+	new_size = (int)(brc_putrecord(tmp_buf, tmp_buf + BRC_ITEMSIZE,
+		    board, num, list) - tmp_buf);
+	if( new_size ){
+	    brc_size += new_size - (tmpp - ptr);
+	    if ( brc_size > BRC_MAXSIZE ){
+		end_size -= brc_size - BRC_MAXSIZE;
+		brc_size = BRC_MAXSIZE;
+	    }
+	    if ( end_size > 0 && ptr + new_size != tmpp )
+		memmove(ptr + new_size, tmpp, end_size);
+	    memmove(ptr, tmp_buf, new_size);
+	}else
+	    memmove(ptr, tmpp, brc_size - (tmpp - brc_buf));
+    }
+
+    brc_changed = 0;
+}
+
+void
+brc_update(){
+    if (brc_changed && cuser.userlevel && brc_num > 0)
+	brc_insert_record(currboard, brc_num, brc_list);
+}
+
+inline static void
+read_old_brc()
+{
+    /* XXX: read from old brc file */
+}
+
+inline static void
+read_brc_buf()
+{
+    if( brc_buf == NULL ){
+	char            dirfile[STRLEN];
+	int             fd;
+
+	brc_buf = malloc(BRC_MAXSIZE);
+	setuserfile(dirfile, fn_brc);
+	if ((fd = open(dirfile, O_RDONLY)) != -1) {
+	    brc_size = read(fd, brc_buf, BRC_MAXSIZE);
+	    close(fd);
+	} else {
+	    read_old_brc();
+	}
+    }
+}
+
+void
+brc_finalize(){
+    char brcfile[STRLEN];
+    int fd;
+    brc_update();
+    setuserfile(brcfile, fn_boardrc);
+    if (brc_buf != NULL &&
+	(fd = open(brcfile, O_WRONLY | O_CREAT | O_TRUNC, 0644)) != -1) {
+	write(fd, brc_buf, brc_size);
+	close(fd);
+    }
+}
+
+void
+brc_initialize(){
+    static char done = 0;
+    if( done )
+	return;
+    done = 1;
+    brc_expire_time = login_start_time - 365 * 86400;
+    read_brc_buf();
+}
+
+int
+brc_read_record(const char* bname, int* num, int* list){
+    char            *ptr;
+    char            *endp;
+    char            tmp_name[BRC_STRLEN];
+    ptr = brc_buf;
+    endp = &brc_buf[brc_size];
+    while (ptr < endp && (*ptr >= ' ' && *ptr <= 'z')) {
+	/* for each available records */
+	ptr = brc_getrecord(ptr, endp, tmp_name, num, list);
+	if (strncmp(tmp_name, bname, BRC_STRLEN) == 0)
+	    return *num;
+    }
+    *num = list[0] = 1;
+    return 0;
+}
+
+int
+brc_initial_board(const char *boardname)
+{
+    brc_initialize();
+
+    if (strcmp(currboard, boardname) == 0) {
+	return brc_num;
+    }
+
+    brc_update(); /* write back first */
+    currbid = getbnum(boardname);
+    currboard = bcache[currbid - 1].brdname;
+    currbrdattr = bcache[currbid - 1].brdattr;
+
+    return brc_read_record(boardname, &brc_num, brc_list);
+}
+
+void
+brc_trunc(const char* brdname, int ftime){
+    brc_insert_record(brdname, 1, &ftime);
+    if (strncmp(brdname, currboard, BRC_STRLEN) == 0){
+	brc_num = 1;
+	brc_list[0] = ftime;
+	brc_changed = 0;
+    }
+}
+
+void
+brc_addlist(const char *fname)
+{
+    int             ftime, n, i;
+
+    if (!cuser.userlevel)
+	return;
+
+    ftime = atoi(&fname[2]);
+    if (ftime <= brc_expire_time /* too old, don't do any thing  */
+	 /* || fname[0] != 'M' || fname[1] != '.' */ ) {
+	return;
+    }
+    if (brc_num <= 0) { /* uninitialized */
+	brc_list[0] = ftime;
+	brc_num = 1;
+	brc_changed = 1;
+	return;
+    }
+    if ((brc_num == 1) && (ftime < brc_list[0])) /* most when after 'v' */
+	return;
+    for (n = 0; n < brc_num; n++) { /* using linear search */
+	if (ftime == brc_list[n]) {
+	    return;
+	} else if (ftime > brc_list[n]) {
+	    if (brc_num < BRC_MAXNUM)
+		brc_num++;
+	    /* insert ftime in to brc_list */
+	    for (i = brc_num - 1; --i >= n; brc_list[i + 1] = brc_list[i]);
+	    brc_list[n] = ftime;
+	    brc_changed = 1;
+	    return;
+	}
+    }
+}
+
+int
+brc_unread_time(time_t ftime, int bnum, const int *blist)
+{
+    int             n;
+
+    if (ftime <= brc_expire_time) /* too old */
+	return 0;
+
+    if (brc_num <= 0)
+	return 1;
+    for (n = 0; n < bnum; n++) { /* using linear search */
+	if (ftime > blist[n])
+	    return 1;
+	else if (ftime == blist[n])
+	    return 0;
+    }
+    return 0;
+}
+
+int
+brc_unread(const char *fname, int bnum, const int *blist)
+{
+    int             ftime, n;
+
+    ftime = atoi(&fname[2]); /* this will get the time of the file created */
+
+    if (ftime <= brc_expire_time) /* too old */
+	return 0;
+
+    if (brc_num <= 0)
+	return 1;
+    for (n = 0; n < bnum; n++) { /* using linear search */
+	if (ftime > blist[n])
+	    return 1;
+	else if (ftime == blist[n])
+	    return 0;
+    }
+    return 0;
+}
diff --git a/mbbsd/var.c b/mbbsd/var.c
index 4c7a29dc..5bc1b57e 100644
--- a/mbbsd/var.c
+++ b/mbbsd/var.c
@@ -87,7 +87,7 @@ char            vetitle[TTLEN + 1] = "\0";
 char            currowner[IDLEN + 2] = "\0";
 char            currauthor[IDLEN + 2] = "\0";
 char            currfile[FNLEN];/* current file name @ bbs.c mail.c */
-char            currboard[IDLEN + 2];
+char           *currboard;
 char            currBM[IDLEN * 3 + 10];
 char            reset_color[4] = "\033[m";
 char            margs[64] = "\0";	/* main argv list */