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Diffstat (limited to 'source4/lib/zlib/examples/gzlog.h')
-rw-r--r-- | source4/lib/zlib/examples/gzlog.h | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/source4/lib/zlib/examples/gzlog.h b/source4/lib/zlib/examples/gzlog.h deleted file mode 100644 index a800bd5391..0000000000 --- a/source4/lib/zlib/examples/gzlog.h +++ /dev/null @@ -1,58 +0,0 @@ -/* gzlog.h - Copyright (C) 2004 Mark Adler, all rights reserved - version 1.0, 26 Nov 2004 - - This software is provided 'as-is', without any express or implied - warranty. In no event will the author be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. - - Mark Adler madler@alumni.caltech.edu - */ - -/* - The gzlog object allows writing short messages to a gzipped log file, - opening the log file locked for small bursts, and then closing it. The log - object works by appending stored data to the gzip file until 1 MB has been - accumulated. At that time, the stored data is compressed, and replaces the - uncompressed data in the file. The log file is truncated to its new size at - that time. After closing, the log file is always valid gzip file that can - decompressed to recover what was written. - - A gzip header "extra" field contains two file offsets for appending. The - first points to just after the last compressed data. The second points to - the last stored block in the deflate stream, which is empty. All of the - data between those pointers is uncompressed. - */ - -/* Open a gzlog object, creating the log file if it does not exist. Return - NULL on error. Note that gzlog_open() could take a long time to return if - there is difficulty in locking the file. */ -void *gzlog_open(char *path); - -/* Write to a gzlog object. Return non-zero on error. This function will - simply write data to the file uncompressed. Compression of the data - will not occur until gzlog_close() is called. It is expected that - gzlog_write() is used for a short message, and then gzlog_close() is - called. If a large amount of data is to be written, then the application - should write no more than 1 MB at a time with gzlog_write() before - calling gzlog_close() and then gzlog_open() again. */ -int gzlog_write(void *log, char *data, size_t len); - -/* Close a gzlog object. Return non-zero on error. The log file is locked - until this function is called. This function will compress stored data - at the end of the gzip file if at least 1 MB has been accumulated. Note - that the file will not be a valid gzip file until this function completes. - */ -int gzlog_close(void *log); |