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Bump required zstd to v1.4.0

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Bump the requirement to v1.4.0, which means we can remove all the ifdef
guards.

It was released over 6 years ago, with latest release being 1.5.7.

The oldest distributions we target Ubuntu 20.04 and Debian Bullseye,
have 1.4.4 and 1.4.8 respectively.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
This commit is contained in:
Emil Velikov
2025-08-23 13:06:19 +01:00
committed by Sébastien Helleu
parent 8fe741e057
commit 7d88e53182
2 changed files with 1 additions and 63 deletions
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CMakeLists.txt
+1 -1
View File
@@ -246,7 +246,7 @@ list(APPEND EXTRA_LIBS ${ZLIB_LIBRARY})
# Check for zstd
if(ENABLE_ZSTD)
pkg_check_modules(LIBZSTD REQUIRED libzstd)
pkg_check_modules(LIBZSTD REQUIRED libzstd>=1.4.0)
include_directories(${LIBZSTD_INCLUDE_DIRS})
list(APPEND EXTRA_LIBS ${LIBZSTD_LDFLAGS})
add_definitions(-DHAVE_ZSTD)
src/core/core-dir.c
-62
View File
@@ -1223,14 +1223,9 @@ dir_file_compress_zstd (const char *from, const char *to,
void *buffer_in, *buffer_out;
size_t buffer_in_size, buffer_out_size, num_read, remaining;
int rc;
#if ZSTD_VERSION_NUMBER >= 10400 /* zstd ≥ 1.4.0 */
ZSTD_CCtx *cctx = NULL;
ZSTD_EndDirective mode;
int finished, last_chunk;
#else /* zstd < 1.4.0 */
ZSTD_CStream *cstream = NULL;
size_t result, to_read;
#endif
ZSTD_inBuffer input;
ZSTD_outBuffer output;
@@ -1259,7 +1254,6 @@ dir_file_compress_zstd (const char *from, const char *to,
if (!dest)
goto end;
#if ZSTD_VERSION_NUMBER >= 10400 /* zstd ≥ 1.4.0 */
cctx = ZSTD_createCCtx ();
if (!cctx)
goto error;
@@ -1296,77 +1290,21 @@ dir_file_compress_zstd (const char *from, const char *to,
if (last_chunk)
break;
}
#else /* zstd < 1.4.0 */
cstream = ZSTD_createCStream ();
if (!cstream)
goto error;
result = ZSTD_initCStream (cstream, compression_level);
if (ZSTD_isError (result))
goto error;
to_read = buffer_in_size;
while ((num_read = fread (buffer_in, 1, buffer_in_size, source)))
{
input.src = buffer_in;
input.size = num_read;
input.pos = 0;
while (input.pos < input.size)
{
output.dst = buffer_out;
output.size = buffer_out_size;
output.pos = 0;
to_read = ZSTD_compressStream (cstream, &output , &input);
if (ZSTD_isError (to_read))
goto error;
if (to_read > buffer_in_size)
to_read = buffer_in_size;
if ((fwrite (buffer_out, 1, output.pos, dest) != output.pos)
|| ferror (dest))
{
goto error;
}
}
}
output.dst = buffer_out;
output.size = buffer_out_size;
output.pos = 0;
remaining = ZSTD_endStream (cstream, &output);
if (remaining)
goto error;
if ((fwrite (buffer_out, 1, output.pos, dest) != output.pos)
|| ferror (dest))
{
goto error;
}
#endif
rc = 1;
goto end;
error:
#if ZSTD_VERSION_NUMBER >= 10400 /* zstd ≥ 1.4.0 */
if (cctx)
{
ZSTD_freeCCtx (cctx);
cctx = NULL;
}
#else /* zstd < 1.4.0 */
if (cstream)
{
ZSTD_freeCStream (cstream);
cstream = NULL;
}
#endif
unlink (to);
end:
#if ZSTD_VERSION_NUMBER >= 10400 /* zstd ≥ 1.4.0 */
if (cctx)
ZSTD_freeCCtx (cctx);
#else /* zstd < 1.4.0 */
if (cstream)
ZSTD_freeCStream (cstream);
#endif
free (buffer_in);
free (buffer_out);