compress.c

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#include "config.h"
#include <stdio.h>
#include <string.h>
#include "mutt/lib.h"
#include "lib.h"
 
static const struct ComprOps *CompressOps[] = {
#ifdef HAVE_LZ4
  &compr_lz4_ops,
#endif
#ifdef HAVE_ZLIB
  &compr_zlib_ops,
#endif
#ifdef HAVE_ZSTD
  &compr_zstd_ops,
#endif
  NULL,
};
 
const char *compress_list(void)
{
  char tmp[256] = { 0 };
  const struct ComprOps **ops = CompressOps;
  size_t len = 0;
 
  for (; *ops; ops++)
  {
    if (len != 0)
    {
      len += snprintf(tmp + len, sizeof(tmp) - len, ", ");
    }
    len += snprintf(tmp + len, sizeof(tmp) - len, "%s", (*ops)->name);
  }
 
  return mutt_str_dup(tmp);
}
 
const struct ComprOps *compress_get_ops(const char *compr)
{
  const struct ComprOps **ops = CompressOps;
 
  if (!compr || !*compr)
    return *ops;
 
  for (; *ops; ops++)
  {
    if (strcmp(compr, (*ops)->name) == 0)
      break;
  }
 
  return *ops;
}