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Fix argument checks in gzlog_compress() and gzlog_write().

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This commit is contained in:
Mark Adler 2012-07-08 17:01:13 -07:00
parent aef4174dd2
commit fb4e0599a5
2 changed files with 8 additions and 7 deletions
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10
examples/gzlog.c
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@ -1,8 +1,8 @@
/*
* gzlog.c
* Copyright (C) 2004, 2008 Mark Adler, all rights reserved
* Copyright (C) 2004, 2008, 2012 Mark Adler, all rights reserved
* For conditions of distribution and use, see copyright notice in gzlog.h
* version 2.0, 25 Apr 2008
* version 2.1, 8 Jul 2012
*/
/*
@ -913,7 +913,7 @@ int gzlog_compress(gzlog *logd)
struct log *log = logd;
/* check arguments */
if (log == NULL || strcmp(log->id, LOGID) || len < 0)
if (log == NULL || strcmp(log->id, LOGID))
return -3;
/* see if we lost the lock -- if so get it again and reload the extra
@ -997,9 +997,9 @@ int gzlog_write(gzlog *logd, void *data, size_t len)
struct log *log = logd;
/* check arguments */
if (log == NULL || strcmp(log->id, LOGID) || len < 0)
if (log == NULL || strcmp(log->id, LOGID))
return -3;
if (data == NULL || len == 0)
if (data == NULL || len <= 0)
return 0;
/* see if we lost the lock -- if so get it again and reload the extra

5
examples/gzlog.h
View File

@ -1,6 +1,6 @@
/* gzlog.h
Copyright (C) 2004, 2008 Mark Adler, all rights reserved
version 2.0, 25 Apr 2008
Copyright (C) 2004, 2008, 2012 Mark Adler, all rights reserved
version 2.1, 8 Jul 2012
This software is provided 'as-is', without any express or implied
warranty. In no event will the author be held liable for any damages
@ -27,6 +27,7 @@
Interface changed slightly in that now path is a prefix
Compression now occurs as needed during gzlog_write()
gzlog_write() now always leaves the log file as valid gzip
2.1 8 Jul 2012 Fix argument checks in gzlog_compress() and gzlog_write()
*/
/*