diff options
Diffstat (limited to 'git-compat-util.h')
| -rw-r--r-- | git-compat-util.h | 47 |
1 files changed, 32 insertions, 15 deletions
diff --git a/git-compat-util.h b/git-compat-util.h index 1229c8296b..e50e2fafae 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -197,6 +197,12 @@ #endif #include <windows.h> #define GIT_WINDOWS_NATIVE +#ifdef HAVE_RTLGENRANDOM +/* This is required to get access to RtlGenRandom. */ +#define SystemFunction036 NTAPI SystemFunction036 +#include <NTSecAPI.h> +#undef SystemFunction036 +#endif #endif #include <unistd.h> @@ -267,6 +273,12 @@ #else #include <stdint.h> #endif +#ifdef HAVE_ARC4RANDOM_LIBBSD +#include <bsd/stdlib.h> +#endif +#ifdef HAVE_GETRANDOM +#include <sys/random.h> +#endif #ifdef NO_INTPTR_T /* * On I16LP32, ILP32 and LP64 "long" is the safe bet, however @@ -522,9 +534,7 @@ void warning_errno(const char *err, ...) __attribute__((format (printf, 1, 2))); /* * Let callers be aware of the constant return value; this can help * gcc with -Wuninitialized analysis. We restrict this trick to gcc, though, - * because some compilers may not support variadic macros. Since we're only - * trying to help gcc, anyway, it's OK; other compilers will fall back to - * using the function as usual. + * because other compilers may be confused by this. */ #if defined(__GNUC__) static inline int const_error(void) @@ -1246,24 +1256,12 @@ static inline int regexec_buf(const regex_t *preg, const char *buf, size_t size, #endif #endif -/* - * This is always defined as a first step towards making the use of variadic - * macros unconditional. If it causes compilation problems on your platform, - * please report it to the Git mailing list at git@vger.kernel.org. - */ -#define HAVE_VARIADIC_MACROS 1 - /* usage.c: only to be used for testing BUG() implementation (see test-tool) */ extern int BUG_exit_code; -#ifdef HAVE_VARIADIC_MACROS __attribute__((format (printf, 3, 4))) NORETURN void BUG_fl(const char *file, int line, const char *fmt, ...); #define BUG(...) BUG_fl(__FILE__, __LINE__, __VA_ARGS__) -#else -__attribute__((format (printf, 1, 2))) NORETURN -void BUG(const char *fmt, ...); -#endif /* * Preserves errno, prints a message, but gives no warning for ENOENT. @@ -1386,6 +1384,18 @@ void unleak_memory(const void *ptr, size_t len); #define UNLEAK(var) do {} while (0) #endif +#define z_const +#include <zlib.h> + +#if ZLIB_VERNUM < 0x1290 +/* + * This is uncompress2, which is only available in zlib >= 1.2.9 + * (released as of early 2017). See compat/zlib-uncompress2.c. + */ +int uncompress2(Bytef *dest, uLongf *destLen, const Bytef *source, + uLong *sourceLen); +#endif + /* * This include must come after system headers, since it introduces macros that * replace system names. @@ -1432,4 +1442,11 @@ static inline void *container_of_or_null_offset(void *ptr, size_t offset) void sleep_millisec(int millisec); +/* + * Generate len bytes from the system cryptographically secure PRNG. + * Returns 0 on success and -1 on error, setting errno. The inability to + * satisfy the full request is an error. + */ +int csprng_bytes(void *buf, size_t len); + #endif |