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Diffstat (limited to 'ubifs-utils/mkfs.ubifs/compr.c')
-rw-r--r--ubifs-utils/mkfs.ubifs/compr.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/ubifs-utils/mkfs.ubifs/compr.c b/ubifs-utils/mkfs.ubifs/compr.c
index 34b2f60..d534f10 100644
--- a/ubifs-utils/mkfs.ubifs/compr.c
+++ b/ubifs-utils/mkfs.ubifs/compr.c
@@ -24,7 +24,9 @@
#include <stdio.h>
#include <stdint.h>
#include <string.h>
+#ifndef WITHOUT_LZO
#include <lzo/lzo1x.h>
+#endif
#include <linux/types.h>
#define crc32 __zlib_crc32
@@ -85,6 +87,7 @@ static int zlib_deflate(void *in_buf, size_t in_len, void *out_buf,
return 0;
}
+#ifndef WITHOUT_LZO
static int lzo_compress(void *in_buf, size_t in_len, void *out_buf,
size_t *out_len)
{
@@ -102,6 +105,7 @@ static int lzo_compress(void *in_buf, size_t in_len, void *out_buf,
return 0;
}
+#endif
static int no_compress(void *in_buf, size_t in_len, void *out_buf,
size_t *out_len)
@@ -113,6 +117,7 @@ static int no_compress(void *in_buf, size_t in_len, void *out_buf,
static char *zlib_buf;
+#ifndef WITHOUT_LZO
static int favor_lzo_compress(void *in_buf, size_t in_len, void *out_buf,
size_t *out_len, int *type)
{
@@ -158,6 +163,7 @@ select_zlib:
memcpy(out_buf, zlib_buf, zlib_len);
return 0;
}
+#endif
int compress_data(void *in_buf, size_t in_len, void *out_buf, size_t *out_len,
int type)
@@ -169,6 +175,10 @@ int compress_data(void *in_buf, size_t in_len, void *out_buf, size_t *out_len,
return MKFS_UBIFS_COMPR_NONE;
}
+#ifdef WITHOUT_LZO
+ {
+ switch (type) {
+#else
if (c->favor_lzo)
ret = favor_lzo_compress(in_buf, in_len, out_buf, out_len, &type);
else {
@@ -176,6 +186,7 @@ int compress_data(void *in_buf, size_t in_len, void *out_buf, size_t *out_len,
case MKFS_UBIFS_COMPR_LZO:
ret = lzo_compress(in_buf, in_len, out_buf, out_len);
break;
+#endif
case MKFS_UBIFS_COMPR_ZLIB:
ret = zlib_deflate(in_buf, in_len, out_buf, out_len);
break;
@@ -197,9 +208,13 @@ int compress_data(void *in_buf, size_t in_len, void *out_buf, size_t *out_len,
int init_compression(void)
{
+#ifdef WITHOUT_LZO
+ lzo_mem = NULL;
+#else
lzo_mem = malloc(LZO1X_999_MEM_COMPRESS);
if (!lzo_mem)
return -1;
+#endif
zlib_buf = malloc(UBIFS_BLOCK_SIZE * WORST_COMPR_FACTOR);
if (!zlib_buf) {