X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Futil.h;h=703b93cf4c6e528ec0d5c48ae5034b03f0cd710f;hb=8321fb9c570bd25bb8925e7b5116ab90662113b5;hp=1290d33eeb58e16688aa0105b96939fa0d6cc345;hpb=ec6fde61c85ff6a57b05d422a9d8b5ef679ad928;p=openvswitch diff --git a/lib/util.h b/lib/util.h index 1290d33e..703b93cf 100644 --- a/lib/util.h +++ b/lib/util.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009 Nicira Networks. + * Copyright (c) 2008, 2009, 2010 Nicira Networks. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -76,13 +76,21 @@ extern const char *program_name; #endif #define NOT_REACHED() abort() -#define NOT_IMPLEMENTED() abort() -#define NOT_TESTED() ((void) 0) /* XXX should print a message. */ /* Given POINTER, the address of the given MEMBER in a STRUCT object, returns the STRUCT object. */ #define CONTAINER_OF(POINTER, STRUCT, MEMBER) \ - ((STRUCT *) ((char *) (POINTER) - offsetof (STRUCT, MEMBER))) + ((STRUCT *) (void *) ((char *) (POINTER) - offsetof (STRUCT, MEMBER))) + +/* Given POINTER, the address of the given MEMBER within an object of the type + * that that OBJECT points to, returns OBJECT as a "void *" pointer. OBJECT + * must be an lvalue. + * + * This is the same as CONTAINER_OF except that it infers the structure type + * from the type of '*OBJECT'. */ +#define OBJECT_CONTAINING(POINTER, OBJECT, MEMBER) \ + ((void *) ((char *) (POINTER) \ + - ((char *) &(OBJECT)->MEMBER - (char *) (OBJECT)))) #ifdef __cplusplus extern "C" { @@ -90,7 +98,7 @@ extern "C" { void set_program_name(const char *); -void ovs_print_version(char *date, char *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)) @@ -121,6 +129,18 @@ bool str_to_uint(const char *, int base, unsigned int *); bool str_to_ulong(const char *, int base, unsigned long *); bool str_to_ullong(const char *, int base, unsigned long long *); +bool str_to_double(const char *, double *); + +int hexit_value(int c); +unsigned int hexits_value(const char *s, size_t n, bool *ok); + +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); + #ifdef __cplusplus } #endif