mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-31 14:04:26 -04:00
120 lines
2.5 KiB
Diff
120 lines
2.5 KiB
Diff
--- a/mkfs.ubifs/compr.c
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+++ b/mkfs.ubifs/compr.c
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@@ -24,7 +24,6 @@
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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-#include <lzo/lzo1x.h>
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#include <linux/types.h>
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#define crc32 __zlib_crc32
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@@ -35,7 +34,6 @@
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#include "ubifs-media.h"
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#include "mkfs.ubifs.h"
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-static void *lzo_mem;
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static unsigned long long errcnt = 0;
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static struct ubifs_info *c = &info_;
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@@ -86,6 +84,25 @@ static int zlib_deflate(void *in_buf, si
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return 0;
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}
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+#ifndef WITHOUT_LZO
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+#include <lzo/lzo1x.h>
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+
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+static void *lzo_mem;
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+
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+static int lzo_init(void)
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+{
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+ lzo_mem = malloc(LZO1X_999_MEM_COMPRESS);
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+ if (!lzo_mem)
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+ return -1;
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+
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+ return 0;
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+}
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+
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+static void lzo_fini(void)
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+{
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+ free(lzo_mem);
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+}
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+
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static int lzo_compress(void *in_buf, size_t in_len, void *out_buf,
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size_t *out_len)
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{
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@@ -103,6 +120,12 @@ static int lzo_compress(void *in_buf, si
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return 0;
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}
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+#else
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+static inline int lzo_compress(void *in_buf, size_t in_len, void *out_buf,
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+ size_t *out_len) { return -1; }
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+static inline int lzo_init(void) { return 0; }
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+static inline void lzo_fini(void) { }
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+#endif
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static int no_compress(void *in_buf, size_t in_len, void *out_buf,
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size_t *out_len)
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@@ -123,7 +146,6 @@ static int favor_lzo_compress(void *in_b
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lzo_len = zlib_len = *out_len;
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lzo_ret = lzo_compress(in_buf, in_len, out_buf, &lzo_len);
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zlib_ret = zlib_deflate(in_buf, in_len, zlib_buf, &zlib_len);
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-
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if (lzo_ret && zlib_ret)
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/* Both compressors failed */
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return -1;
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@@ -198,23 +220,28 @@ int compress_data(void *in_buf, size_t i
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int init_compression(void)
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{
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- lzo_mem = malloc(LZO1X_999_MEM_COMPRESS);
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- if (!lzo_mem)
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- return -1;
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+ int ret;
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+
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+ ret = lzo_init();
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+ if (ret)
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+ goto err;
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zlib_buf = malloc(UBIFS_BLOCK_SIZE * WORST_COMPR_FACTOR);
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- if (!zlib_buf) {
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- free(lzo_mem);
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- return -1;
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- }
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+ if (!zlib_buf)
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+ goto err_lzo;
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return 0;
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+
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+err_lzo:
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+ lzo_fini();
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+err:
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+ return ret;
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}
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void destroy_compression(void)
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{
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free(zlib_buf);
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- free(lzo_mem);
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+ lzo_fini();
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if (errcnt)
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fprintf(stderr, "%llu compression errors occurred\n", errcnt);
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}
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--- a/mkfs.ubifs/Makefile
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+++ b/mkfs.ubifs/Makefile
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@@ -6,7 +6,13 @@ ALL_SOURCES=*.[ch] hashtable/*.[ch]
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TARGETS = mkfs.ubifs
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-LDLIBS_mkfs.ubifs = -lz -llzo2 -lm -luuid -L$(BUILDDIR)/../ubi-utils/ -lubi
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+ifeq ($(WITHOUT_LZO), 1)
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+ CPPFLAGS += -DWITHOUT_LZO
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+else
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+ LZOLDLIBS = -llzo2
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+endif
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+
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+LDLIBS_mkfs.ubifs = -lz $(LZOLDLIBS) -lm -luuid -L$(BUILDDIR)/../ubi-utils/ -lubi
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LDLIBS_mkfs.ubifs += -L$(BUILDDIR)/../lib -lmtd
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LDLIBS_mkfs.ubifs += $(ZLIBLDFLAGS) $(LZOLDFLAGS)
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