X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Futil.h;h=b2052f364e0f84f8b7405e396e79c463c20202f2;hb=fe13b0e71752a5eb30b21e7a09d2f9370bc02387;hp=9c2352ffd3e2f2bd9b5b7b644dd2e0b527336779;hpb=fcaddd4dd1e8feefc09ea2664ad51fb669d136f8;p=openvswitch diff --git a/lib/util.h b/lib/util.h index 9c2352ff..b2052f36 100644 --- a/lib/util.h +++ b/lib/util.h @@ -33,7 +33,10 @@ #endif #endif -#ifndef __cplusplus +#ifdef __CHECKER__ +#define BUILD_ASSERT(EXPR) ((void) 0) +#define BUILD_ASSERT_DECL(EXPR) extern int (*build_assert(void))[1] +#elif !defined(__cplusplus) /* Build-time assertion building block. */ #define BUILD_ASSERT__(EXPR) \ sizeof(struct { unsigned int build_assert_failed : (EXPR) ? 1 : -1; }) @@ -50,6 +53,14 @@ #define BUILD_ASSERT_DECL BOOST_STATIC_ASSERT #endif /* __cplusplus */ +#ifdef __GNUC__ +#define BUILD_ASSERT_GCCONLY(EXPR) BUILD_ASSERT(EXPR) +#define BUILD_ASSERT_DECL_GCCONLY(EXPR) BUILD_ASSERT_DECL(EXPR) +#else +#define BUILD_ASSERT_GCCONLY(EXPR) ((void) 0) +#define BUILD_ASSERT_DECL_GCCONLY(EXPR) ((void) 0) +#endif + extern const char *program_name; /* Returns the number of elements in ARRAY. */ @@ -77,6 +88,14 @@ extern const char *program_name; #define NOT_REACHED() abort() +/* Expands to a string that looks like ":", e.g. "tmp.c:10". + * + * See http://c-faq.com/ansi/stringize.html for an explanation of STRINGIZE and + * STRINGIZE2. */ +#define SOURCE_LOCATOR __FILE__ ":" STRINGIZE(__LINE__) +#define STRINGIZE(ARG) STRINGIZE2(ARG) +#define STRINGIZE2(ARG) #ARG + /* Given a pointer-typed lvalue OBJECT, expands to a pointer type that may be * assigned to OBJECT. */ #ifdef __GNUC__ @@ -129,12 +148,12 @@ extern const char *program_name; extern "C" { #endif -void set_program_name(const char *); +void set_program_name__(const char *name, const char *date, const char *time); +#define set_program_name(name) \ + set_program_name__(name, __DATE__, __TIME__) -void ovs_print_version(char *date, char *time, - uint8_t min_ofp, uint8_t max_ofp); -#define OVS_PRINT_VERSION(min_ofp, max_ofp) \ - ovs_print_version(__DATE__, __TIME__, (min_ofp), (max_ofp)) +const char *get_program_version(void); +void ovs_print_version(uint8_t min_ofp, uint8_t max_ofp); void out_of_memory(void) NO_RETURN; void *xmalloc(size_t) MALLOC_LIKE; @@ -175,12 +194,20 @@ bool str_to_double(const char *, double *); int hexit_value(int c); unsigned int hexits_value(const char *s, size_t n, bool *ok); +const char *english_list_delimiter(size_t index, size_t total); + char *get_cwd(void); char *dir_name(const char *file_name); char *base_name(const char *file_name); char *abs_file_name(const char *dir, const char *file_name); void ignore(bool x OVS_UNUSED); +int log_2_floor(uint32_t); +int log_2_ceil(uint32_t); +int ctz(uint32_t); + +bool is_all_zeros(const uint8_t *, size_t); +bool is_all_ones(const uint8_t *, size_t); #ifdef __cplusplus }