1 /* 2 * lib_common.h - internal header included by all library code 3 */ 4 5 #ifndef LIB_LIB_COMMON_H 6 #define LIB_LIB_COMMON_H 7 8 #ifdef LIBDEFLATE_H 9 # error "lib_common.h must always be included before libdeflate.h" 10 /* because BUILDING_LIBDEFLATE must be set first */ 11 #endif 12 13 #define BUILDING_LIBDEFLATE 14 15 #include "common_defs.h" 16 17 /* 18 * Prefix with "_libdeflate_" all global symbols which are not part of the API. 19 * This avoids exposing overly generic names when libdeflate is built as a 20 * static library. 21 * 22 * Note that the chosen prefix is not really important and can be changed 23 * without breaking library users. It was just chosen so that the resulting 24 * symbol names are unlikely to conflict with those from any other software. 25 * Also note that this fixup has no useful effect when libdeflate is built as a 26 * shared library, since these symbols are not exported. 27 */ 28 #define SYM_FIXUP(sym) _libdeflate_##sym 29 #define aligned_malloc SYM_FIXUP(aligned_malloc) 30 #define aligned_free SYM_FIXUP(aligned_free) 31 #define deflate_get_compression_level SYM_FIXUP(deflate_get_compression_level) 32 #define _x86_cpu_features SYM_FIXUP(_x86_cpu_features) 33 #define x86_setup_cpu_features SYM_FIXUP(x86_setup_cpu_features) 34 35 #endif /* LIB_LIB_COMMON_H */ 36