Remove leading underscores from include guards

lib/adler32.h

@@ -2,11 +2,11 @@
  * adler32.h - Adler-32 checksum algorithm
  */
 
-#ifndef _LIB_ADLER32_H
-#define _LIB_ADLER32_H
+#ifndef LIB_ADLER32_H
+#define LIB_ADLER32_H
 
 #include "lib_common.h"
 
 extern u32 adler32(const void *buffer, size_t size);
 
-#endif /* _LIB_ADLER32_H */
+#endif /* LIB_ADLER32_H */

lib/aligned_malloc.h

@@ -2,12 +2,12 @@
  * aligned_malloc.c - aligned memory allocation
  */
 
-#ifndef _LIB_ALIGNED_MALLOC_H
-#define _LIB_ALIGNED_MALLOC_H
+#ifndef LIB_ALIGNED_MALLOC_H
+#define LIB_ALIGNED_MALLOC_H
 
 #include "lib_common.h"
 
 extern void *aligned_malloc(size_t alignment, size_t size);
 extern void aligned_free(void *ptr);
 
-#endif /* _LIB_ALIGNED_MALLOC_H */
+#endif /* LIB_ALIGNED_MALLOC_H */

lib/crc32.h

@@ -2,11 +2,11 @@
  * crc32.h - CRC-32 checksum algorithm for the gzip format
  */
 
-#ifndef _LIB_CRC32_H
-#define _LIB_CRC32_H
+#ifndef LIB_CRC32_H
+#define LIB_CRC32_H
 
 #include "lib_common.h"
 
 extern u32 crc32_gzip(const void *buffer, size_t size);
 
-#endif /* _LIB_CRC32_H */
+#endif /* LIB_CRC32_H */

lib/deflate_compress.h

@@ -1,5 +1,5 @@
-#ifndef _LIB_DEFLATE_COMPRESS_H
-#define _LIB_DEFLATE_COMPRESS_H
+#ifndef LIB_DEFLATE_COMPRESS_H
+#define LIB_DEFLATE_COMPRESS_H
 
 /* DEFLATE compression is private to deflate_compress.c, but we do need to be
  * able to query the compression level for zlib and gzip header generation.  */
@@ -9,4 +9,4 @@ struct libdeflate_compressor;
 extern unsigned int
 deflate_get_compression_level(struct libdeflate_compressor *c);
 
-#endif /* _LIB_DEFLATE_COMPRESS_H */
+#endif /* LIB_DEFLATE_COMPRESS_H */

lib/deflate_constants.h

@@ -2,8 +2,8 @@
  * deflate_constants.h - constants for the DEFLATE compression format
  */
 
-#ifndef _LIB_DEFLATE_CONSTANTS_H
-#define _LIB_DEFLATE_CONSTANTS_H
+#ifndef LIB_DEFLATE_CONSTANTS_H
+#define LIB_DEFLATE_CONSTANTS_H
 
 /* Valid block types  */
 #define DEFLATE_BLOCKTYPE_UNCOMPRESSED		0
@@ -63,4 +63,4 @@
 	(DEFLATE_MAX_LITLEN_CODEWORD_LEN + DEFLATE_MAX_EXTRA_LENGTH_BITS + \
 	DEFLATE_MAX_OFFSET_CODEWORD_LEN + DEFLATE_MAX_EXTRA_OFFSET_BITS)
 
-#endif /* _LIB_DEFLATE_CONSTANTS_H */
+#endif /* LIB_DEFLATE_CONSTANTS_H */

lib/gzip_constants.h

@@ -2,8 +2,8 @@
  * gzip_constants.h - constants for the gzip wrapper format
  */
 
-#ifndef _LIB_GZIP_CONSTANTS_H
-#define _LIB_GZIP_CONSTANTS_H
+#ifndef LIB_GZIP_CONSTANTS_H
+#define LIB_GZIP_CONSTANTS_H
 
 #define GZIP_MIN_HEADER_SIZE	10
 #define GZIP_FOOTER_SIZE	8
@@ -42,4 +42,4 @@
 #define GZIP_OS_RISCOS		13
 #define GZIP_OS_UNKNOWN		255
 
-#endif /* _LIB_GZIP_CONSTANTS_H */
+#endif /* LIB_GZIP_CONSTANTS_H */

lib/lib_common.h

@@ -2,8 +2,8 @@
  * lib_common.h - internal header included by all library code
  */
 
-#ifndef _LIB_LIB_COMMON_H
-#define _LIB_LIB_COMMON_H
+#ifndef LIB_LIB_COMMON_H
+#define LIB_LIB_COMMON_H
 
 #define BUILDING_LIBDEFLATE
 
@@ -29,4 +29,4 @@
 #define _x86_cpu_features		SYM_FIXUP(_x86_cpu_features)
 #define x86_setup_cpu_features		SYM_FIXUP(x86_setup_cpu_features)
 
-#endif /* _LIB_LIB_COMMON_H */
+#endif /* LIB_LIB_COMMON_H */

lib/matchfinder_common.h

@@ -2,8 +2,8 @@
  * matchfinder_common.h - common code for Lempel-Ziv matchfinding
  */
 
-#ifndef _LIB_MATCHFINDER_COMMON_H
-#define _LIB_MATCHFINDER_COMMON_H
+#ifndef LIB_MATCHFINDER_COMMON_H
+#define LIB_MATCHFINDER_COMMON_H
 
 #include "lib_common.h"
 #include "unaligned.h"
@@ -202,4 +202,4 @@ word_differs:
 	return len;
 }
 
-#endif /* _LIB_MATCHFINDER_COMMON_H */
+#endif /* LIB_MATCHFINDER_COMMON_H */

lib/x86_cpu_features.h

@@ -2,8 +2,8 @@
  * x86_cpu_features.h - feature detection for x86 processors
  */
 
-#ifndef _LIB_X86_CPU_FEATURES_H
-#define _LIB_X86_CPU_FEATURES_H
+#ifndef LIB_X86_CPU_FEATURES_H
+#define LIB_X86_CPU_FEATURES_H
 
 #include "lib_common.h"
 
@@ -44,4 +44,4 @@ x86_have_cpu_feature(u32 feature)
 
 #endif /* X86_CPU_FEATURES_ENABLED */
 
-#endif /* _LIB_X86_CPU_FEATURES_H */
+#endif /* LIB_X86_CPU_FEATURES_H */

lib/zlib_constants.h

@@ -2,8 +2,8 @@
  * zlib_constants.h - constants for the zlib wrapper format
  */
 
-#ifndef _LIB_ZLIB_CONSTANTS_H
-#define _LIB_ZLIB_CONSTANTS_H
+#ifndef LIB_ZLIB_CONSTANTS_H
+#define LIB_ZLIB_CONSTANTS_H
 
 #define ZLIB_MIN_HEADER_SIZE	2
 #define ZLIB_FOOTER_SIZE	4
@@ -18,4 +18,4 @@
 #define ZLIB_DEFAULT_COMPRESSION	2
 #define ZLIB_SLOWEST_COMPRESSION	3
 
-#endif /* _LIB_ZLIB_CONSTANTS_H */
+#endif /* LIB_ZLIB_CONSTANTS_H */

programs/detect.sh

@@ -5,8 +5,8 @@ if [ -z "$CC" ]; then
 fi
 
 echo "/* THIS FILE WAS AUTOMATICALLY GENERATED.  DO NOT EDIT. */"
-echo "#ifndef _CONFIG_H"
-echo "#define _CONFIG_H"
+echo "#ifndef CONFIG_H"
+echo "#define CONFIG_H"
 
 tmpfile="$(mktemp -t libdeflate_config.XXXXXXXX)"
 trap "rm -f \"$tmpfile\"" EXIT
@@ -31,4 +31,4 @@ check_function posix_fadvise
 check_function posix_madvise
 
 echo
-echo "#endif /* _CONFIG_H */"
+echo "#endif /* CONFIG_H */"