#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.
#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
#endif
#ifndef __MINGW32__
#include <sys/wait.h>
+#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <termios.h>
#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)
#define GIT_ALPHA 0x04
#define GIT_GLOB_SPECIAL 0x08
#define GIT_REGEX_SPECIAL 0x10
+#define GIT_PATHSPEC_MAGIC 0x20
#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
#define isascii(x) (((x) & ~0x7f) == 0)
#define isspace(x) sane_istest(x,GIT_SPACE)
#define is_regex_special(x) sane_istest(x,GIT_GLOB_SPECIAL | GIT_REGEX_SPECIAL)
#define tolower(x) sane_case((unsigned char)(x), 0x20)
#define toupper(x) sane_case((unsigned char)(x), 0)
+#define is_pathspec_magic(x) sane_istest(x,GIT_PATHSPEC_MAGIC)
static inline int sane_case(int x, int high)
{
#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).