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lib.h File Reference

API for the header cache compression. More...

#include <stdlib.h>
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Data Structures

struct  ComprOps
 Header Cache Compression API. More...
 

Functions

const struct ComprOpscompress_get_ops (const char *compr)
 Get the API functions for a compress backend. More...
 
const char * compress_list (void)
 Get a list of compression backend names. More...
 

Variables

const struct ComprOps compr_lz4_ops
 
const struct ComprOps compr_zlib_ops
 
const struct ComprOps compr_zstd_ops
 

Detailed Description

API for the header cache compression.

Authors
  • Tino Reichardt

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Definition in file lib.h.

Function Documentation

◆ compress_get_ops()

const struct ComprOps* compress_get_ops ( const char *  compr)

Get the API functions for a compress backend.

Parameters
comprName of the backend
Return values
ptrSet of function pointers

Definition at line 81 of file compress.c.

82 {
83  const struct ComprOps **ops = compr_ops;
84 
85  if (!compr || !*compr)
86  return *ops;
87 
88  for (; *ops; ops++)
89  {
90  if (strcmp(compr, (*ops)->name) == 0)
91  break;
92  }
93 
94  return *ops;
95 }
const struct ComprOps * compr_ops[]
Backend implementations.
Definition: compress.c:39
Header Cache Compression API.
Definition: lib.h:55
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◆ compress_list()

const char* compress_list ( void  )

Get a list of compression backend names.

Return values
ptrComma-space-separated list of names
Note
The caller should free the string

Definition at line 58 of file compress.c.

59 {
60  char tmp[256] = { 0 };
61  const struct ComprOps **ops = compr_ops;
62  size_t len = 0;
63 
64  for (; *ops; ops++)
65  {
66  if (len != 0)
67  {
68  len += snprintf(tmp + len, sizeof(tmp) - len, ", ");
69  }
70  len += snprintf(tmp + len, sizeof(tmp) - len, "%s", (*ops)->name);
71  }
72 
73  return mutt_str_dup(tmp);
74 }
char * mutt_str_dup(const char *str)
Copy a string, safely.
Definition: string.c:375
const struct ComprOps * compr_ops[]
Backend implementations.
Definition: compress.c:39
Header Cache Compression API.
Definition: lib.h:55
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Variable Documentation

◆ compr_lz4_ops

const struct ComprOps compr_lz4_ops

◆ compr_zlib_ops

const struct ComprOps compr_zlib_ops

◆ compr_zstd_ops

const struct ComprOps compr_zstd_ops