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Prefix non-API global symbols with "_libdeflate_"

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This commit is contained in:
Eric Biggers 2016-07-12 13:32:31 -05:00
parent f5f2a8f0cb
commit bcc741cc7b
1 changed files with 20 additions and 0 deletions
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20
lib/lib_common.h
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@ -7,4 +7,24 @@
#include "common_defs.h"
/*
* Prefix with "_libdeflate_" all global symbols which are not part of the API.
* This avoids exposing overly generic names when libdeflate is built as a
* static library.
*
* Note that the chosen prefix is not really important and can be changed
* without breaking library users. It was just chosen so that the resulting
* symbol names are unlikely to conflict with those from any other software.
* Also note that this fixup has no useful effect when libdeflate is built as a
* shared library, since these symbols are not exported.
*/
#define SYM_FIXUP(sym) _libdeflate_##sym
#define adler32 SYM_FIXUP(adler32)
#define aligned_malloc SYM_FIXUP(aligned_malloc)
#define aligned_free SYM_FIXUP(aligned_free)
#define crc32_gzip SYM_FIXUP(crc32_gzip)
#define deflate_get_compression_level SYM_FIXUP(deflate_get_compression_level)
#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 */