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-rw-r--r--source3/tdb/tdbutil.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/source3/tdb/tdbutil.c b/source3/tdb/tdbutil.c
index 0d8f6128cc..49005f8765 100644
--- a/source3/tdb/tdbutil.c
+++ b/source3/tdb/tdbutil.c
@@ -405,41 +405,41 @@ size_t tdb_pack(char *buf, int bufsize, const char *fmt, ...)
case 'w':
len = 2;
w = (uint16)va_arg(ap, int);
- if (bufsize >= len)
+ if (bufsize && bufsize >= len)
SSVAL(buf, 0, w);
break;
case 'd':
len = 4;
d = va_arg(ap, uint32);
- if (bufsize >= len)
+ if (bufsize && bufsize >= len)
SIVAL(buf, 0, d);
break;
case 'p':
len = 4;
p = va_arg(ap, void *);
d = p?1:0;
- if (bufsize >= len)
+ if (bufsize && bufsize >= len)
SIVAL(buf, 0, d);
break;
case 'P':
s = va_arg(ap,char *);
w = strlen(s);
len = w + 1;
- if (bufsize >= len)
+ if (bufsize && bufsize >= len)
memcpy(buf, s, len);
break;
case 'f':
s = va_arg(ap,char *);
w = strlen(s);
len = w + 1;
- if (bufsize >= len)
+ if (bufsize && bufsize >= len)
memcpy(buf, s, len);
break;
case 'B':
i = va_arg(ap, int);
s = va_arg(ap, char *);
len = 4+i;
- if (bufsize >= len) {
+ if (bufsize && bufsize >= len) {
SIVAL(buf, 0, i);
memcpy(buf+4, s, i);
}
@@ -452,7 +452,10 @@ size_t tdb_pack(char *buf, int bufsize, const char *fmt, ...)
}
buf += len;
- bufsize -= len;
+ if (bufsize)
+ bufsize -= len;
+ if (bufsize < 0)
+ bufsize = 0;
}
va_end(ap);