diff options
Diffstat (limited to 'git-compat-util.h')
| -rw-r--r-- | git-compat-util.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/git-compat-util.h b/git-compat-util.h index d6d269f138..40498b33c9 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -31,6 +31,9 @@ #define maximum_signed_value_of_type(a) \ (INTMAX_MAX >> (bitsizeof(intmax_t) - bitsizeof(a))) +#define maximum_unsigned_value_of_type(a) \ + (UINTMAX_MAX >> (bitsizeof(uintmax_t) - bitsizeof(a))) + /* * Signed integer overflow is undefined in C, so here's a helper macro * to detect if the sum of two integers will overflow. @@ -40,6 +43,9 @@ #define signed_add_overflows(a, b) \ ((b) > maximum_signed_value_of_type(a) - (a)) +#define unsigned_add_overflows(a, b) \ + ((b) > maximum_unsigned_value_of_type(a) - (a)) + #ifdef __GNUC__ #define TYPEOF(x) (__typeof__(x)) #else @@ -112,6 +118,7 @@ #endif #ifndef __MINGW32__ #include <sys/wait.h> +#include <sys/resource.h> #include <sys/socket.h> #include <sys/ioctl.h> #include <termios.h> @@ -208,7 +215,10 @@ extern char *gitbasename(char *); #define is_dir_sep(c) ((c) == '/') #endif -#ifdef __GNUC__ +#if __HP_cc >= 61000 +#define NORETURN __attribute__((noreturn)) +#define NORETURN_PTR +#elif defined(__GNUC__) #define NORETURN __attribute__((__noreturn__)) #define NORETURN_PTR __attribute__((__noreturn__)) #elif defined(_MSC_VER) @@ -529,6 +539,19 @@ void git_qsort(void *base, size_t nmemb, size_t size, #define fstat_is_reliable() 1 #endif +#ifndef va_copy +/* + * Since an obvious implementation of va_list would be to make it a + * pointer into the stack frame, a simple assignment will work on + * many systems. But let's try to be more portable. + */ +#ifdef __va_copy +#define va_copy(dst, src) __va_copy(dst, src) +#else +#define va_copy(dst, src) ((dst) = (src)) +#endif +#endif + /* * Preserves errno, prints a message, but gives no warning for ENOENT. * Always returns the return value of unlink(2). |