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authorin2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>2002-12-29 16:04:18 +0800
committerin2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>2002-12-29 16:04:18 +0800
commit5148569239ecb02ebd4d2fc2cfb6e6f91797b2ba (patch)
tree9cdcf157f5f6676ca911bb3b270c8bcf23d3a478 /mbbsd
parentc2e892c0475880b17d49c420d9886076ad8177d6 (diff)
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store favbuf[] by char array instand of int array.
save 24KB memory (in 8192 boards environment) for each user. git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@590 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
Diffstat (limited to 'mbbsd')
-rw-r--r--mbbsd/board.c44
1 files changed, 32 insertions, 12 deletions
diff --git a/mbbsd/board.c b/mbbsd/board.c
index 57a521cc..c7543ef2 100644
--- a/mbbsd/board.c
+++ b/mbbsd/board.c
@@ -1,4 +1,4 @@
-/* $Id: board.c,v 1.63 2002/12/26 06:16:13 kcwu Exp $ */
+/* $Id: board.c,v 1.64 2002/12/29 08:04:18 in2 Exp $ */
#include "bbs.h"
#define BRC_STRLEN 15 /* Length of board name */
#define BRC_MAXSIZE 24576
@@ -219,35 +219,41 @@ typedef struct {
unsigned int myattr;
} boardstat_t;
-static int *zapbuf = NULL, *favbuf;
+static int *zapbuf = NULL;
+static char *favbuf = NULL;
static boardstat_t *nbrd = NULL;
char zapchange = 0, favchange = 0;
#define STR_BBSRC ".bbsrc"
#define STR_FAV ".fav"
+#define STR_FAV2 ".fav2"
void load_brdbuf(void)
{
static char firsttime = 1;
- int fd, size, i;
+ int fd, size, favsize, i;
char fname[80];
size = (numboards + 32) * sizeof(int);
+ favsize = (numboards + 32) * sizeof(char);
#ifdef MEM_CHECK
size += sizeof(int);
+ favsize += sizeof(int);
#endif
zapbuf = (int *)malloc(size);
- favbuf = (int *)malloc(size);
+ favbuf = (char *)malloc(favsize);
#ifdef MEM_CHECK
- zapbuf[0] = favbuf[0] = MEM_CHECK;
+ zapbuf[0] = MEM_CHECK;
zapbuf = &zapbuf[1];
- favbuf = &favbuf[1];
+ ((int *)favbuf)[0] = MEM_CHECK;
+ favbuf = &favbuf[ sizeof(int) ];
size -= sizeof(int);
+ favsize -= sizeof(int);
#endif
zapchange = favchange = 0;
if( firsttime ){
- memset(favbuf, 0, size);
+ memset(favbuf, 0, favsize);
for( i = (numboards + 32) - 1 ; i >= 0 ; --i )
zapbuf[i] = login_start_time;
}
@@ -257,11 +263,25 @@ void load_brdbuf(void)
read(fd, zapbuf, size);
close(fd);
}
- setuserfile(fname, STR_FAV);
+ setuserfile(fname, STR_FAV2);
if ((fd = open(fname, O_RDONLY, 0600)) != -1) {
- read(fd, favbuf, size);
+ read(fd, favbuf, favsize);
close(fd);
}
+ else{
+ setuserfile(fname, STR_FAV);
+ if( (fd = open(fname, O_RDONLY, 0600)) != -1 ){
+ int *oldfav = (int *)malloc(size);
+ read(fd, oldfav, size);
+ close(fd);
+ unlink(fname);
+
+ for( i = (numboards + 32) - 1 ; i >= 0 ; --i )
+ favbuf[i] = oldfav[i];
+ free(oldfav);
+ favchange = 1;
+ }
+ }
if( firsttime ){
for (i = 0; i < numboards; i++)
@@ -307,15 +327,15 @@ save_brdbuf()
zapbuf = NULL;
}
- setuserfile(fname, STR_FAV);
+ setuserfile(fname, STR_FAV2);
if ( favbuf != NULL ){
if( (
#ifdef MEM_CHECK
- favbuf[-1] == MEM_CHECK &&
+ ((int*)favbuf)[-1] == MEM_CHECK &&
#endif
favchange &&
(fd = open(fname, O_WRONLY | O_CREAT, 0600)) != -1) ){
- size = numboards * sizeof(int);
+ size = numboards * sizeof(char);
write(fd, favbuf, size);
close(fd);
}