From bd27d3921df5030709c9d70b482871b4d5a64b61 Mon Sep 17 00:00:00 2001
From: Fredrik Noring <noring@nocrew.org>
Date: Wed, 20 Oct 1999 00:43:15 +0200
Subject: [PATCH] Max size increased from 2 to 4 gibibyte.
Rev: lib/modules/Yabu.pmod/module.pmod:1.16
---
lib/modules/Yabu.pmod/module.pmod | 33 ++++++++++++++++++++++++++++---
1 file changed, 30 insertions(+), 3 deletions(-)
diff --git a/lib/modules/Yabu.pmod/module.pmod b/lib/modules/Yabu.pmod/module.pmod
index 13b374033a..64a69cb5d1 100644
--- a/lib/modules/Yabu.pmod/module.pmod
+++ b/lib/modules/Yabu.pmod/module.pmod
@@ -4,7 +4,7 @@
* associated with a unique key.
*/
-constant cvs_id = "$Id: module.pmod,v 1.15 1999/08/30 10:01:28 noring Exp $";
+constant cvs_id = "$Id: module.pmod,v 1.16 1999/10/19 22:43:15 noring Exp $";
#define ERR(msg) throw(({ "(Yabu) "+msg+"\n", backtrace() }))
#define IO_ERR(msg) throw(({ sprintf("(Yabu) %s, %s (%d)\n",msg,strerror(errno()),errno()),backtrace() }))
@@ -129,10 +129,35 @@ static private class FileIO {
static private inherit Stdio.File:file;
static private string filename, filemode;
+ static private int mask = 0;
+
+ array(int) fractionalise(int i)
+ {
+ if(!mask)
+ {
+ int size = 0;
+ for(mask = 1; mask; size++)
+ mask <<= 1;
+ mask = ~(0xff << (size-8));
+ }
+
+ return ({ (i>>8) & mask, i & 0xff });
+ }
+
static private void seek(int offset)
{
- if(file::seek(offset) == -1)
- ERR("seek failed");
+ if(offset < 0)
+ {
+ int fraction;
+
+ [offset, fraction] = fractionalise(offset);
+ if(file::seek(offset, 0x100) == -1 ||
+ (fraction && sizeof(file::read(fraction)) != fraction))
+ ERR("seek failed");
+ }
+ else
+ if(file::seek(offset) == -1)
+ ERR("seek failed");
}
string read_at(int offset, int|void size)
@@ -353,6 +378,8 @@ class Chunk {
return f[0];
}
int x = eof;
+ if(eof < 0 && 0 <= eof+type)
+ ERR("Database too large!");
eof += type;
return x;
}
--
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