126 lines
2.8 KiB
Diff
126 lines
2.8 KiB
Diff
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--- a/mkfs.ubifs/compr.c
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+++ b/mkfs.ubifs/compr.c
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@@ -24,7 +24,9 @@
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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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+#ifndef WITHOUT_LZO
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#include <lzo/lzo1x.h>
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+#endif
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#include <linux/types.h>
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#define crc32 __zlib_crc32
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@@ -35,7 +37,9 @@
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#include "ubifs-media.h"
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#include "mkfs.ubifs.h"
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+#ifndef WITHOUT_LZO
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static void *lzo_mem;
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+#endif
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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 +90,7 @@ 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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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 +108,7 @@ static int lzo_compress(void *in_buf, si
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return 0;
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}
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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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@@ -120,14 +126,20 @@ static int favor_lzo_compress(void *in_b
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int lzo_ret, zlib_ret;
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size_t lzo_len, zlib_len;
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+#ifndef WITHOUT_LZO
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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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+#endif
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zlib_ret = zlib_deflate(in_buf, in_len, zlib_buf, &zlib_len);
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-
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+#ifndef WITHOUT_LZO
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if (lzo_ret && zlib_ret)
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+#else
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+ if (zlib_ret)
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+#endif
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/* Both compressors failed */
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return -1;
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+#ifndef WITHOUT_LZO
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if (!lzo_ret && !zlib_ret) {
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double percent;
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@@ -152,6 +164,7 @@ select_lzo:
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*out_len = lzo_len;
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*type = MKFS_UBIFS_COMPR_LZO;
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return 0;
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+#endif
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select_zlib:
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*out_len = zlib_len;
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@@ -174,9 +187,11 @@ int compress_data(void *in_buf, size_t i
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ret = favor_lzo_compress(in_buf, in_len, out_buf, out_len, &type);
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else {
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switch (type) {
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+#ifndef WITHOUT_LZO
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case MKFS_UBIFS_COMPR_LZO:
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ret = lzo_compress(in_buf, in_len, out_buf, out_len);
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break;
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+#endif
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case MKFS_UBIFS_COMPR_ZLIB:
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ret = zlib_deflate(in_buf, in_len, out_buf, out_len);
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break;
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@@ -198,13 +213,17 @@ 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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+#ifndef WITHOUT_LZO
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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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+#endif
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zlib_buf = malloc(UBIFS_BLOCK_SIZE * WORST_COMPR_FACTOR);
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if (!zlib_buf) {
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+#ifndef WITHOUT_LZO
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free(lzo_mem);
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+#endif
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return -1;
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}
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@@ -214,7 +233,9 @@ int init_compression(void)
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void destroy_compression(void)
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{
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free(zlib_buf);
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+#ifndef WITHOUT_LZO
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free(lzo_mem);
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+#endif
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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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