85 lines
2.0 KiB
Diff
85 lines
2.0 KiB
Diff
--- a/mkfs.ubifs/Makefile
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+++ b/mkfs.ubifs/Makefile
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@@ -6,7 +6,7 @@ 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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+LDLIBS_mkfs.ubifs = -lz $(if,$(NO_LZO),,-llzo2) -lm -luuid -L$(BUILDDIR)/../ubi-utils/ -lubi
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LDLIBS_mkfs.ubifs += -L$(BUILDDIR)/../lib -lmtd -lcrc32
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LDLIBS_mkfs.ubifs += $(ZLIBLDFLAGS) $(LZOLDFLAGS)
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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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+#if CONFIG_UBIFS_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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@@ -86,6 +88,16 @@ static int zlib_deflate(void *in_buf, si
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return 0;
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}
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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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+{
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+ memcpy(out_buf, in_buf, in_len);
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+ *out_len = in_len;
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+ return 0;
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+}
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+
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+#if CONFIG_UBIFS_LZO
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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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@@ -104,14 +116,16 @@ static int lzo_compress(void *in_buf, si
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return 0;
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}
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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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+#else
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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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- memcpy(out_buf, in_buf, in_len);
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- *out_len = in_len;
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- return 0;
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+ return 1;
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}
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+#endif
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+
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static char *zlib_buf;
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static int favor_lzo_compress(void *in_buf, size_t in_len, void *out_buf,
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@@ -198,9 +212,11 @@ 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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+#ifdef CONFIG_UBIFS_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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@@ -214,7 +230,9 @@ 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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+#ifdef CONFIG_UBIFS_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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