createrepo_c library  0.17.5
C library for metadata manipulation
compression_wrapper.h
1 /* createrepo_c - Library of routines for manipulation with repodata
2  * Copyright (C) 2012 Tomas Mlcoch
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
17  * USA.
18  */
19 
20 #ifndef __C_CREATEREPOLIB_COMPRESSION_WRAPPER_H__
21 #define __C_CREATEREPOLIB_COMPRESSION_WRAPPER_H__
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 #include <glib.h>
28 #include "checksum.h"
29 
37 typedef enum {
47 
50 typedef enum {
54 } cr_OpenMode;
55 
58 typedef struct {
59  gint64 size;
61  char *checksum;
62  gint64 hdr_size;
64  char *hdr_checksum;
66 
74 
79 void cr_contentstat_free(cr_ContentStat *cstat, GError **err);
80 
83 typedef struct {
85  void *FILE;
86  void *INNERFILE;
90 } CR_FILE;
91 
92 #define CR_CW_ERR -1
99 
105 cr_CompressionType cr_detect_compression(const char* filename, GError **err);
106 
112 
120 #define cr_open(FILENAME, MODE, COMTYPE, ERR) \
121  cr_sopen(FILENAME, MODE, COMTYPE, NULL, ERR)
122 
133 CR_FILE *cr_sopen(const char *filename,
134  cr_OpenMode mode,
135  cr_CompressionType comtype,
136  cr_ContentStat *stat,
137  GError **err);
138 
146 int cr_set_dict(CR_FILE *cr_file, const void *dict, unsigned int len, GError **err);
147 
155 int cr_read(CR_FILE *cr_file, void *buffer, unsigned int len, GError **err);
156 
165 int cr_write(CR_FILE *cr_file,
166  const void *buffer,
167  unsigned int len,
168  GError **err);
169 
176 int cr_puts(CR_FILE *cr_file, const char *str, GError **err);
177 
183 int cr_end_chunk(CR_FILE *cr_file, GError **err);
184 
191 int cr_set_autochunk(CR_FILE *cr_file, gboolean auto_chunk, GError **err);
192 
200 ssize_t cr_get_zchunk_with_index(CR_FILE *f, ssize_t zchunk_index, char **copy_buf, GError **err);
201 
209 int cr_printf(GError **err, CR_FILE *cr_file, const char *format, ...);
210 
216 int cr_close(CR_FILE *cr_file, GError **err);
217 
220 #ifdef __cplusplus
221 }
222 #endif
223 
224 #endif /* __C_CREATEREPOLIB_COMPRESSION_WRAPPER_H__ */
cr_ChecksumType
Definition: checksum.h:43
struct _cr_ChecksumCtx cr_ChecksumCtx
Definition: checksum.h:36
cr_ContentStat * cr_contentstat_new(cr_ChecksumType type, GError **err)
cr_CompressionType cr_compression_type(const char *name)
int cr_end_chunk(CR_FILE *cr_file, GError **err)
int cr_set_autochunk(CR_FILE *cr_file, gboolean auto_chunk, GError **err)
CR_FILE * cr_sopen(const char *filename, cr_OpenMode mode, cr_CompressionType comtype, cr_ContentStat *stat, GError **err)
ssize_t cr_get_zchunk_with_index(CR_FILE *f, ssize_t zchunk_index, char **copy_buf, GError **err)
int cr_read(CR_FILE *cr_file, void *buffer, unsigned int len, GError **err)
cr_CompressionType cr_detect_compression(const char *filename, GError **err)
int cr_write(CR_FILE *cr_file, const void *buffer, unsigned int len, GError **err)
void cr_contentstat_free(cr_ContentStat *cstat, GError **err)
const char * cr_compression_suffix(cr_CompressionType comtype)
int cr_set_dict(CR_FILE *cr_file, const void *dict, unsigned int len, GError **err)
cr_CompressionType
int cr_close(CR_FILE *cr_file, GError **err)
int cr_puts(CR_FILE *cr_file, const char *str, GError **err)
int cr_printf(GError **err, CR_FILE *cr_file, const char *format,...)
@ CR_CW_MODE_SENTINEL
@ CR_CW_MODE_READ
@ CR_CW_MODE_WRITE
@ CR_CW_ZCK_COMPRESSION
@ CR_CW_XZ_COMPRESSION
@ CR_CW_NO_COMPRESSION
@ CR_CW_COMPRESSION_SENTINEL
@ CR_CW_UNKNOWN_COMPRESSION
@ CR_CW_AUTO_DETECT_COMPRESSION
@ CR_CW_BZ2_COMPRESSION
@ CR_CW_GZ_COMPRESSION
cr_ContentStat * stat
cr_ChecksumCtx * checksum_ctx
cr_OpenMode mode
cr_CompressionType type
void * INNERFILE
cr_ChecksumType hdr_checksum_type
cr_ChecksumType checksum_type