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			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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|  
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|  TARGETS = mkfs.ubifs
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|  
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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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|  
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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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|  
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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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|  
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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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|  
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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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|  
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| +#endif
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| +
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|  static char *zlib_buf;
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|  
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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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|  
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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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|  
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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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