createrepo_c library  0.2.1
C library for metadata manipulation
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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 "checksum.h"
28 
36 typedef enum {
45 
48 typedef enum {
52 } cr_OpenMode;
53 
56 typedef struct {
57  gint64 size;
59  char *checksum;
61 
69 
74 void cr_contentstat_free(cr_ContentStat *cstat, GError **err);
75 
78 typedef struct {
80  void *FILE;
84 } CR_FILE;
85 
86 #define CR_CW_ERR -1
92 const char *cr_compression_suffix(cr_CompressionType comtype);
93 
99 cr_CompressionType cr_detect_compression(const char* filename, GError **err);
100 
108 #define cr_open(FILENAME, MODE, COMTYPE, ERR) \
109  cr_sopen(FILENAME, MODE, COMTYPE, NULL, ERR)
110 
121 CR_FILE *cr_sopen(const char *filename,
122  cr_OpenMode mode,
123  cr_CompressionType comtype,
124  cr_ContentStat *stat,
125  GError **err);
126 
134 int cr_read(CR_FILE *cr_file, void *buffer, unsigned int len, GError **err);
135 
144 int cr_write(CR_FILE *cr_file,
145  const void *buffer,
146  unsigned int len,
147  GError **err);
148 
155 int cr_puts(CR_FILE *cr_file, const char *str, GError **err);
156 
164 int cr_printf(GError **err, CR_FILE *cr_file, const char *format, ...);
165 
171 int cr_close(CR_FILE *cr_file, GError **err);
172 
175 #ifdef __cplusplus
176 }
177 #endif
178 
179 #endif /* __C_CREATEREPOLIB_COMPRESSION_WRAPPER_H__ */