Actually, I don't even think it means that. But rename it to something
which is sane.
Thanks to David Gibson for reporting.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(Imported from CCAN commit
e764d0a27d2b6748ea7d343042ec7d6dda1f6aae)
* For functions not called in fast paths (aka. cold functions)
* - PRINTF_FMT
* For functions which take printf-style parameters.
- * - IDEMPOTENT
+ * - CONST_FUNCTION
* For functions which return the same value for same parameters.
* - NEEDED
* For functions and variables which must be emitted even if unused.
* For functions and variables which need not be emitted if unused.
* - UNUSED
* For parameters which are not used.
- * - IS_COMPILE_CONSTANT
+ * - IS_COMPILE_CONSTANT()
* For using different tradeoffs for compiletime vs runtime evaluation.
*
* License: Public Domain
#endif
#endif
-#ifndef IDEMPOTENT
+#ifndef CONST_FUNCTION
#if HAVE_ATTRIBUTE_CONST
/**
- * IDEMPOTENT - a function's return depends only on its argument
+ * CONST_FUNCTION - a function's return depends only on its argument
*
* This allows the compiler to assume that the function will return the exact
* same value for the exact same arguments. This implies that the function
* must not use global variables, or dereference pointer arguments.
*/
-#define IDEMPOTENT __attribute__((const))
+#define CONST_FUNCTION __attribute__((const))
#else
-#define IDEMPOTENT
+#define CONST_FUNCTION
#endif
#endif
* return 1U << ilog32(i-1);
* }
*/
-int ilog32(uint32_t _v) IDEMPOTENT;
+int ilog32(uint32_t _v) CONST_FUNCTION;
/**
* ilog32_nz - Integer binary logarithm of a non-zero 32-bit value.
* return ilog32_nz(i) - 1;
* }
*/
-int ilog32_nz(uint32_t _v) IDEMPOTENT;
+int ilog32_nz(uint32_t _v) CONST_FUNCTION;
/**
* ilog64 - Integer binary logarithm of a 64-bit value.
* See Also:
* ilog64_nz(), ilog32()
*/
-int ilog64(uint64_t _v) IDEMPOTENT;
+int ilog64(uint64_t _v) CONST_FUNCTION;
/**
* ilog64_nz - Integer binary logarithm of a non-zero 64-bit value.
* See Also:
* ilog64(), ilog32_nz()
*/
-int ilog64_nz(uint64_t _v) IDEMPOTENT;
+int ilog64_nz(uint64_t _v) CONST_FUNCTION;
/**
* STATIC_ILOG_32 - The integer logarithm of an (unsigned, 32-bit) constant.