diff options
Diffstat (limited to 'src/common/compat.h')
| -rw-r--r-- | src/common/compat.h | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/src/common/compat.h b/src/common/compat.h index 66cc079259..8cf84580c6 100644 --- a/src/common/compat.h +++ b/src/common/compat.h @@ -1,6 +1,6 @@ /* Copyright (c) 2003-2004, Roger Dingledine * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. - * Copyright (c) 2007-2015, The Tor Project, Inc. */ + * Copyright (c) 2007-2016, The Tor Project, Inc. */ /* See LICENSE for licensing information */ #ifndef TOR_COMPAT_H @@ -84,9 +84,7 @@ /* inline is __inline on windows. */ #ifdef _WIN32 -#define INLINE __inline -#else -#define INLINE inline +#define inline __inline #endif /* Try to get a reasonable __func__ substitute in place. */ @@ -127,6 +125,7 @@ #define ATTR_CONST __attribute__((const)) #define ATTR_MALLOC __attribute__((malloc)) #define ATTR_NORETURN __attribute__((noreturn)) +#define ATTR_WUR __attribute__((warn_unused_result)) /* Alas, nonnull is not at present a good idea for us. We'd like to get * warnings when we pass NULL where we shouldn't (which nonnull does, albeit * spottily), but we don't want to tell the compiler to make optimizations @@ -162,6 +161,7 @@ #define ATTR_NORETURN #define ATTR_NONNULL(x) #define ATTR_UNUSED +#define ATTR_WUR #define PREDICT_LIKELY(exp) (exp) #define PREDICT_UNLIKELY(exp) (exp) #endif @@ -297,7 +297,7 @@ const void *tor_memmem(const void *haystack, size_t hlen, const void *needle, size_t nlen) ATTR_NONNULL((1,3)); static const void *tor_memstr(const void *haystack, size_t hlen, const char *needle) ATTR_NONNULL((1,3)); -static INLINE const void * +static inline const void * tor_memstr(const void *haystack, size_t hlen, const char *needle) { return tor_memmem(haystack, hlen, needle, strlen(needle)); @@ -308,7 +308,7 @@ tor_memstr(const void *haystack, size_t hlen, const char *needle) #define DECLARE_CTYPE_FN(name) \ static int TOR_##name(char c); \ extern const uint32_t TOR_##name##_TABLE[]; \ - static INLINE int TOR_##name(char c) { \ + static inline int TOR_##name(char c) { \ uint8_t u = c; \ return !!(TOR_##name##_TABLE[(u >> 5) & 7] & (1u << (u & 31))); \ } @@ -610,7 +610,7 @@ typedef enum { } socks5_reply_status_t; /* ===== OS compatibility */ -const char *get_uname(void); +MOCK_DECL(const char *, get_uname, (void)); uint16_t get_uint16(const void *cp) ATTR_NONNULL((1)); uint32_t get_uint32(const void *cp) ATTR_NONNULL((1)); @@ -622,7 +622,7 @@ void set_uint64(void *cp, uint64_t v) ATTR_NONNULL((1)); /* These uint8 variants are defined to make the code more uniform. */ #define get_uint8(cp) (*(const uint8_t*)(cp)) static void set_uint8(void *cp, uint8_t v); -static INLINE void +static inline void set_uint8(void *cp, uint8_t v) { *(uint8_t*)cp = v; @@ -634,7 +634,18 @@ typedef unsigned long rlim_t; int get_max_sockets(void); int set_max_file_descriptors(rlim_t limit, int *max); int tor_disable_debugger_attach(void); -int switch_id(const char *user); + +#if defined(HAVE_SYS_CAPABILITY_H) && defined(HAVE_CAP_SET_PROC) +#define HAVE_LINUX_CAPABILITIES +#endif + +int have_capability_support(void); + +/** Flag for switch_id; see switch_id() for documentation */ +#define SWITCH_ID_KEEP_BINDLOW (1<<0) +/** Flag for switch_id; see switch_id() for documentation */ +#define SWITCH_ID_WARN_IF_NO_CAPS (1<<1) +int switch_id(const char *user, unsigned flags); #ifdef HAVE_PWD_H char *get_user_homedir(const char *username); #endif |