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-rw-r--r--package/cfgfs/src/compress.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/package/cfgfs/src/compress.h b/package/cfgfs/src/compress.h
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+++ b/package/cfgfs/src/compress.h
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+/* $MirOS: contrib/hosted/fwcf/compress.h,v 1.10 2007/03/09 22:35:13 tg Exp $ */
+
+/*
+ * This file is part of the FreeWRT project. FreeWRT is copyrighted
+ * material, please see the LICENCE file in the top-level directory
+ * or at http://www.freewrt.org/licence for details.
+ */
+
+#ifndef COMPRESS_H
+#define COMPRESS_H
+
+/* BEGIN of plug-in API description - hook yer proprietary modules here */
+
+/* returns 0 on success, -1 on failure */
+typedef int (*fwcf_compress_init_func)(void);
+/* in: *dst (malloc'd), src, size of source (max. INT_MAX) */
+/* returns size of destination on success, -1 on failure */
+typedef int (*fwcf_compress_work_func)(char **, char *, size_t)
+ __attribute__((bounded (string, 2, 3)));
+/* in: dst, max size of dst, src, size of source (max. INT_MAX) */
+/* returns size of destination on success, -1 on failure */
+typedef int (*fwcf_compress_rev_func)(char *, size_t, char *, size_t)
+ __attribute__((bounded (string, 1, 2)))
+ __attribute__((bounded (string, 3, 4)));
+
+typedef struct FWCF_COMPRESSOR {
+ fwcf_compress_init_func init;
+ fwcf_compress_work_func compress;
+ fwcf_compress_rev_func decompress;
+ const char *name;
+ uint8_t code;
+} fwcf_compressor;
+
+__BEGIN_DECLS
+/* 0=success 1=EINVAL 2=slot already used */
+int compress_register(fwcf_compressor *);
+__END_DECLS
+
+/* END of plug-in API description, version 1.0 */
+
+__BEGIN_DECLS
+/* low-level */
+fwcf_compressor *compress_enumerate(void);
+int compress_list(void);
+
+/* high-level */
+fwcf_compressor *compressor_get(uint8_t);
+int compressor_getbyname(const char *);
+int list_compressors(void);
+__END_DECLS
+
+#endif