diff options
Diffstat (limited to 'src/libnm-std-aux')
| -rw-r--r-- | src/libnm-std-aux/nm-default-std.h | 18 | ||||
| -rw-r--r-- | src/libnm-std-aux/nm-linux-compat.h | 2 | ||||
| -rw-r--r-- | src/libnm-std-aux/nm-std-aux.h | 746 |
3 files changed, 524 insertions, 242 deletions
diff --git a/src/libnm-std-aux/nm-default-std.h b/src/libnm-std-aux/nm-default-std.h index 5f4af3a5..23f5fc60 100644 --- a/src/libnm-std-aux/nm-default-std.h +++ b/src/libnm-std-aux/nm-default-std.h @@ -9,11 +9,11 @@ #include "nm-networkmanager-compilation.h" #ifdef NETWORKMANAGER_COMPILATION - #error Dont define NETWORKMANAGER_COMPILATION +#error Dont define NETWORKMANAGER_COMPILATION #endif #ifndef G_LOG_DOMAIN - #define G_LOG_DOMAIN "nm" +#define G_LOG_DOMAIN "nm" #endif /*****************************************************************************/ @@ -25,8 +25,8 @@ /* always include these headers for our internal source files. */ #ifndef ___CONFIG_H__ - #define ___CONFIG_H__ - #include <config.h> +#define ___CONFIG_H__ +#include <config.h> #endif #include "config-extra.h" @@ -37,11 +37,11 @@ #define NM_VERSION_MIN_REQUIRED NM_VERSION_0_9_8 #ifndef NM_MORE_ASSERTS - #define NM_MORE_ASSERTS 0 +#define NM_MORE_ASSERTS 0 #endif #if NM_MORE_ASSERTS == 0 - /* The cast macros like NM_TYPE() are implemented via G_TYPE_CHECK_INSTANCE_CAST() +/* The cast macros like NM_TYPE() are implemented via G_TYPE_CHECK_INSTANCE_CAST() * and _G_TYPE_CIC(). The latter, by default performs runtime checks of the type * by calling g_type_check_instance_cast(). * This check has a certain overhead without being helpful. @@ -88,9 +88,9 @@ * Example 3 is how it should be done. Type checks in NM_TYPE() are pointless. * Disable them for our production builds. */ - #ifndef G_DISABLE_CAST_CHECKS - #define G_DISABLE_CAST_CHECKS - #endif +#ifndef G_DISABLE_CAST_CHECKS +#define G_DISABLE_CAST_CHECKS +#endif #endif /*****************************************************************************/ diff --git a/src/libnm-std-aux/nm-linux-compat.h b/src/libnm-std-aux/nm-linux-compat.h index 7492d527..7ca7ec78 100644 --- a/src/libnm-std-aux/nm-linux-compat.h +++ b/src/libnm-std-aux/nm-linux-compat.h @@ -16,7 +16,7 @@ #include <linux/const.h> #ifndef __KERNEL_DIV_ROUND_UP - #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) -1) / (d)) +#define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) -1) / (d)) #endif #include "linux-headers/ethtool.h" diff --git a/src/libnm-std-aux/nm-std-aux.h b/src/libnm-std-aux/nm-std-aux.h index 17b26881..b79b1c65 100644 --- a/src/libnm-std-aux/nm-std-aux.h +++ b/src/libnm-std-aux/nm-std-aux.h @@ -10,20 +10,49 @@ #include <unistd.h> #include <stdio.h> #include <errno.h> +#include <stddef.h> /*****************************************************************************/ -#define _nm_packed __attribute__((__packed__)) -#define _nm_unused __attribute__((__unused__)) -#define _nm_used __attribute__((__used__)) -#define _nm_pure __attribute__((__pure__)) -#define _nm_const __attribute__((__const__)) -#define _nm_printf(a, b) __attribute__((__format__(__printf__, a, b))) -#define _nm_align(s) __attribute__((__aligned__(s))) -#define _nm_section(s) __attribute__((__section__(s))) -#define _nm_alignof(type) __alignof(type) -#define _nm_alignas(type) _nm_align(_nm_alignof(type)) -#define nm_auto(fcn) __attribute__((__cleanup__(fcn))) +#define _nm_packed __attribute__((__packed__)) +#define _nm_unused __attribute__((__unused__)) +#define _nm_used __attribute__((__used__)) +#define _nm_pure __attribute__((__pure__)) +#define _nm_const __attribute__((__const__)) +#define _nm_warn_unused_result __attribute__((__warn_unused_result__)) +#define _nm_printf(a, b) __attribute__((__format__(__printf__, a, b))) +#define _nm_align(s) __attribute__((__aligned__(s))) +#define _nm_section(s) __attribute__((__section__(s))) +#define _nm_alignof(type) __alignof(type) +#define _nm_alignas(type) _nm_align(_nm_alignof(type)) +#define _nm_deprecated(msg) __attribute__((__deprecated__(msg))) +#define _nm_retain + +#if defined(__clang__) && defined(__has_attribute) +#if __has_attribute(__retain__) +/* __attribute__((__retain__)) is supported in clang 13+, but is warned about + * as an unknown attribute in older versions. We assume older versions are used + * together with linkers that do not require the attribute. + * + * Ideally __has_attribute(__retain__) would be checked in other compilers as + * well, but it is broken in GCC (bug 99587). Limit it to clang for now, as it + * is only known to be needed for linking lld. */ +#undef _nm_retain +#define _nm_retain __attribute__((__retain__)) +#endif +#endif + +#if defined(__clang__) && __clang_major__ == 13 +/* Clang 13 can emit -Wunused-but-set-variable warning for cleanup variables + * that are only assigned (never used otherwise). Hack around */ +#define _nm_auto_extra _nm_unused +#else +#define _nm_auto_extra +#endif + +#define nm_auto(fcn) _nm_auto_extra __attribute__((__cleanup__(fcn))) + +#define _nm_nil /* This is required to make LTO working. * @@ -31,25 +60,55 @@ * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48200#c28 */ #ifndef __clang__ - #define _nm_externally_visible __attribute__((__externally_visible__)) +#define _nm_externally_visible __attribute__((__externally_visible__)) #else - #define _nm_externally_visible +#define _nm_externally_visible #endif #if __GNUC__ >= 7 - #define _nm_fallthrough __attribute__((__fallthrough__)) +#define _nm_fallthrough __attribute__((__fallthrough__)) +#else +#define _nm_fallthrough +#endif + +/*****************************************************************************/ + +#ifndef _NM_CC_SUPPORT_AUTO_TYPE +#if (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9))) +#define _NM_CC_SUPPORT_AUTO_TYPE 1 +#else +#define _NM_CC_SUPPORT_AUTO_TYPE 0 +#endif +#endif + +#if _NM_CC_SUPPORT_AUTO_TYPE +#define _nm_auto_type __auto_type +#endif + +#ifndef _NM_CC_SUPPORT_GENERIC +/* In the meantime, NetworkManager requires C11 and _Generic() should always be available. + * However, shared/nm-utils may also be used in VPN/applet, which possibly did not yet + * bump the C standard requirement. Leave this for the moment, but eventually we can + * drop it. + * + * Technically, gcc 4.9 already has some support for _Generic(). But there seems + * to be issues with propagating "const char *[5]" to "const char **". Only assume + * we have _Generic() since gcc 5. */ +#if (defined(__GNUC__) && __GNUC__ >= 5) || (defined(__clang__)) +#define _NM_CC_SUPPORT_GENERIC 1 #else - #define _nm_fallthrough +#define _NM_CC_SUPPORT_GENERIC 0 +#endif #endif /*****************************************************************************/ #ifdef __CHECKER__ - #define _nm_bitwise __attribute__((__bitwise__)) - #define _nm_force __attribute__((__force__)) +#define _nm_bitwise __attribute__((__bitwise__)) +#define _nm_force __attribute__((__force__)) #else - #define _nm_bitwise - #define _nm_force +#define _nm_bitwise +#define _nm_force #endif typedef uint16_t _nm_bitwise nm_le16_t; @@ -62,7 +121,7 @@ typedef uint64_t _nm_bitwise nm_be64_t; /*****************************************************************************/ #ifdef thread_local - #define _nm_thread_local thread_local +#define _nm_thread_local thread_local /* * Don't break on glibc < 2.16 that doesn't define __STDC_NO_THREADS__ * see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53769 @@ -70,9 +129,9 @@ typedef uint64_t _nm_bitwise nm_be64_t; #elif __STDC_VERSION__ >= 201112L \ && !(defined(__STDC_NO_THREADS__) \ || (defined(__GNU_LIBRARY__) && __GLIBC__ == 2 && __GLIBC_MINOR__ < 16)) - #define _nm_thread_local _Thread_local +#define _nm_thread_local _Thread_local #else - #define _nm_thread_local __thread +#define _nm_thread_local __thread #endif /*****************************************************************************/ @@ -81,6 +140,10 @@ typedef uint64_t _nm_bitwise nm_be64_t; /*****************************************************************************/ +#define NM_BIT(n) (1ull << (n)) + +/*****************************************************************************/ + #define NM_PASTE_ARGS(identifier1, identifier2) identifier1##identifier2 #define NM_PASTE(identifier1, identifier2) NM_PASTE_ARGS(identifier1, identifier2) @@ -104,11 +167,11 @@ typedef uint64_t _nm_bitwise nm_be64_t; #define NM_BOOLEAN_EXPR(expr) _NM_BOOLEAN_EXPR_IMPL(NM_UNIQ, expr) #if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__) - #define NM_LIKELY(expr) (__builtin_expect(NM_BOOLEAN_EXPR(expr), 1)) - #define NM_UNLIKELY(expr) (__builtin_expect(NM_BOOLEAN_EXPR(expr), 0)) +#define NM_LIKELY(expr) (__builtin_expect(NM_BOOLEAN_EXPR(expr), 1)) +#define NM_UNLIKELY(expr) (__builtin_expect(NM_BOOLEAN_EXPR(expr), 0)) #else - #define NM_LIKELY(expr) NM_BOOLEAN_EXPR(expr) - #define NM_UNLIKELY(expr) NM_BOOLEAN_EXPR(expr) +#define NM_LIKELY(expr) NM_BOOLEAN_EXPR(expr) +#define NM_UNLIKELY(expr) NM_BOOLEAN_EXPR(expr) #endif /*****************************************************************************/ @@ -126,50 +189,59 @@ typedef uint64_t _nm_bitwise nm_be64_t; * depend less on runtime conditions (that is, are generally expected to be true). */ #ifndef NM_MORE_ASSERTS - #define NM_MORE_ASSERTS 0 +#define NM_MORE_ASSERTS 0 #endif #ifndef _nm_assert_call - #define _nm_assert_call(cond) assert(cond) - #define _nm_assert_call_not_reached() assert(0) +#define _nm_assert_call(cond) assert(cond) +#define _nm_assert_call_not_reached() assert(0) #endif #if NM_MORE_ASSERTS - #define nm_assert(cond) \ - do { \ - _nm_assert_call(cond); \ - } while (0) - #define nm_assert_se(cond) \ - do { \ - if (NM_LIKELY(cond)) { \ - ; \ - } else { \ - _nm_assert_call(0 && (cond)); \ - } \ - } while (0) - #define nm_assert_not_reached() \ - do { \ - _nm_assert_call_not_reached(); \ - } while (0) +#define nm_assert(cond) \ + ({ \ + _nm_assert_call(cond); \ + 1; \ + }) +#define nm_assert_se(cond) \ + ({ \ + if (NM_LIKELY(cond)) { \ + ; \ + } else { \ + _nm_assert_call(0 && (cond)); \ + } \ + 1; \ + }) +#define nm_assert_not_reached() \ + ({ \ + _nm_assert_call_not_reached(); \ + 1; \ + }) #else - #define nm_assert(cond) \ - do { \ - if (0) { \ - if (cond) {} \ - } \ - } while (0) - #define nm_assert_se(cond) \ - do { \ - if (NM_LIKELY(cond)) { \ - ; \ - } \ - } while (0) - #define nm_assert_not_reached() \ - do { \ - ; \ - } while (0) +#define nm_assert(cond) \ + ({ \ + if (0) { \ + if (cond) {} \ + } \ + 1; \ + }) +#define nm_assert_se(cond) \ + ({ \ + if (NM_LIKELY(cond)) { \ + ; \ + } \ + 1; \ + }) +#define nm_assert_not_reached() ({ 1; }) #endif +/* This is similar nm_assert_not_reached(), but it's supposed to be used only during + * development. Like _XXX_ comments, they can be used as a marker that something still + * needs to be done. */ +#define XXX(msg) \ + nm_assert(!"X" \ + "XX error: " msg "") + #define nm_assert_unreachable_val(val) \ ({ \ nm_assert_not_reached(); \ @@ -177,11 +249,10 @@ typedef uint64_t _nm_bitwise nm_be64_t; }) #define NM_STATIC_ASSERT(cond) static_assert(cond, "") -#define NM_STATIC_ASSERT_EXPR(cond) \ - ({ \ - NM_STATIC_ASSERT(cond); \ - 1; \ - }) +#define NM_STATIC_ASSERT_EXPR_1(cond) \ + (sizeof(struct { char __static_assert_expr_1[(cond) ? 1 : -1]; }) == 1) +#define NM_STATIC_ASSERT_EXPR_VOID(cond) \ + ((void) (sizeof(struct { char __static_assert_expr_void[(cond) ? 1 : -1]; }) == 1)) /*****************************************************************************/ @@ -189,6 +260,59 @@ typedef uint64_t _nm_bitwise nm_be64_t; /*****************************************************************************/ +#define nm_offsetof(t, m) offsetof(t, m) + +#define nm_offsetofend(t, m) (nm_offsetof(t, m) + sizeof(((t *) NULL)->m)) + +/*****************************************************************************/ + +/* This does a compile time check that "type" is a suitable C type. It either + * returns a compile time constant of 1 or it fails compilation. The point + * is only in macros to check that a macro parameter (what we might pass to + * sizeof() is really a type, and not a variable. */ +#define NM_ENSURE_IS_TYPE(type) (sizeof(void (*)(type[])) == sizeof(void (*)(void *))) + +/*****************************************************************************/ + +#if _NM_CC_SUPPORT_GENERIC +/* returns @value, if the type of @value matches @type. + * This requires support for C11 _Generic(). If no support is + * present, this returns @value directly. + * + * It's useful to check the let the compiler ensure that @value is + * of a certain type. */ +#define _NM_ENSURE_TYPE(type, value) (_Generic((value), type : (value))) +#define _NM_ENSURE_TYPE_CONST(type, value) \ + (_Generic((value), const type \ + : ((const type)(value)), const type const \ + : ((const type)(value)), type \ + : ((const type)(value)), type const \ + : ((const type)(value)))) +#else +#define _NM_ENSURE_TYPE(type, value) (value) +#define _NM_ENSURE_TYPE_CONST(type, value) ((const type)(value)) +#endif + +/* returns void, but does a compile time check that the argument is a pointer + * (that is, can be converted to (const void *)). It does not actually evaluate + * (value). That means, it's also safe to call _NM_ENSURE_POINTER(array[0]) if + * array might be NULL. It's also safe to call on a macro argument that is + * supposed to be evaluate at most once (this macro will not "execute" the + * argument). */ +#define _NM_ENSURE_POINTER(value) \ + do { \ + _nm_unused const void *const _unused_for_type_check = 0 ? (value) : NULL; \ + } while (0) + +#if _NM_CC_SUPPORT_GENERIC && (!defined(__clang__) || __clang_major__ > 3) +#define NM_STRUCT_OFFSET_ENSURE_TYPE(type, container, field) \ + (_Generic((&(((container *) NULL)->field))[0], type : nm_offsetof(container, field))) +#else +#define NM_STRUCT_OFFSET_ENSURE_TYPE(type, container, field) nm_offsetof(container, field) +#endif + +/*****************************************************************************/ + static inline uint32_t nm_add_clamped_u32(uint32_t a, uint32_t b) { @@ -305,22 +429,26 @@ nm_mult_clamped_u(unsigned a, unsigned b) /* macro to return strlen() of a compile time string. */ #define NM_STRLEN(str) (sizeof("" str "") - 1u) +static inline size_t +_nm_ptrarray_len_impl(const void *const *array) +{ + size_t n = 0; + + if (array) { + while (array[n]) + n++; + } + return n; +} + /* returns the length of a NULL terminated array of pointers, * like g_strv_length() does. The difference is: * - it operates on arrays of pointers (of any kind, requiring no cast). * - it accepts NULL to return zero. */ -#define NM_PTRARRAY_LEN(array) \ - ({ \ - typeof(*(array)) *const _array = (array); \ - size_t _n = 0; \ - \ - if (_array) { \ - _nm_unused const void *_type_check_is_pointer = _array[0]; \ - \ - while (_array[_n]) \ - _n++; \ - } \ - _n; \ +#define NM_PTRARRAY_LEN(array) \ + ({ \ + _NM_ENSURE_POINTER((array)[0]); \ + _nm_ptrarray_len_impl((const void *const *) (array)); \ }) /*****************************************************************************/ @@ -404,50 +532,230 @@ nm_streq0(const char *s1, const char *s2) /*****************************************************************************/ -#define _NM_IN_SET_EVAL_1(op, _x, y) (_x == (y)) -#define _NM_IN_SET_EVAL_2(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_1(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_3(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_2(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_4(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_3(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_5(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_4(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_6(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_5(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_7(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_6(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_8(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_7(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_9(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_8(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_10(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_9(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_11(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_10(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_12(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_11(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_13(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_12(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_14(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_13(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_15(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_14(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_16(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_15(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_17(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_16(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_18(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_17(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_19(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_18(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_20(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_19(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_21(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_20(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_22(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_21(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_23(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_22(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_24(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_23(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_25(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_24(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_26(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_25(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_27(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_26(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_28(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_27(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_29(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_28(op, _x, __VA_ARGS__) -#define _NM_IN_SET_EVAL_30(op, _x, y, ...) (_x == (y)) op _NM_IN_SET_EVAL_29(op, _x, __VA_ARGS__) - -#define _NM_IN_SET_EVAL_N2(op, _x, n, ...) (_NM_IN_SET_EVAL_##n(op, _x, __VA_ARGS__)) -#define _NM_IN_SET_EVAL_N(op, type, x, n, ...) \ - ({ \ - type _x = (x); \ - \ - /* trigger a -Wenum-compare warning */ \ - nm_assert(true || _x == (x)); \ - \ - !!_NM_IN_SET_EVAL_N2(op, _x, n, __VA_ARGS__); \ - }) +/* clang-format off */ +#define _NM_MACRO_SELECT_ARG_120(_empty, \ + _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, \ + _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, \ + _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, \ + _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, \ + _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, \ + _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, \ + _61, _62, _63, _64, _65, _66, _67, _68, _69, _70, \ + _71, _72, _73, _74, _75, _76, _77, _78, _79, _80, \ + _81, _82, _83, _84, _85, _86, _87, _88, _89, _90, \ + _91, _92, _93, _94, _95, _96, _97, _98, _99, _100, \ + _101, _102, _103, _104, _105, _106, _107, _108, _109, _110, \ + _111, _112, _113, _114, _115, _116, _117, _118, _119, _120, \ + N, \ + ...) \ + N + +#define NM_NARG(...) \ + _NM_MACRO_SELECT_ARG_120(, ##__VA_ARGS__, \ + 120, \ + 119, 118, 117, 116, 115, 114, 113, 112, 111, 110, \ + 109, 108, 107, 106, 105, 104, 103, 102, 101, 100, \ + 99, 98, 97, 96, 95, 94, 93, 92, 91, 90, \ + 89, 88, 87, 86, 85, 84, 83, 82, 81, 80, \ + 79, 78, 77, 76, 75, 74, 73, 72, 71, 70, \ + 69, 68, 67, 66, 65, 64, 63, 62, 61, 60, \ + 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, \ + 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, \ + 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, \ + 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, \ + 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, \ + 9, 8, 7, 6, 5, 4, 3, 2, 1, 0) +#define NM_NARG_MAX1(...) \ + _NM_MACRO_SELECT_ARG_120(, ##__VA_ARGS__, \ + 1, \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 110 */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 100 */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 90 */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 80 */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 70 */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 60 */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 50 */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 40 */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 30 */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 20 */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 10 */ \ + 1, 1, 1, 1, 1, 1, 1, 1, 1, 0) +#define NM_NARG_MAX2(...) \ + _NM_MACRO_SELECT_ARG_120(, ##__VA_ARGS__, \ + 2, \ + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 110 */ \ + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 100 */ \ + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 90 */ \ + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 80 */ \ + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 70 */ \ + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 60 */ \ + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 50 */ \ + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 40 */ \ + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 30 */ \ + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 20 */ \ + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, /* 10 */ \ + 2, 2, 2, 2, 2, 2, 2, 2, 1, 0) +/* clang-format on */ + +/*****************************************************************************/ + +#define _NM_MACRO_IDENTITY(...) __VA_ARGS__ + +#define _NM_MACRO_SELECT_FIRST(...) _NM_MACRO_SELECT_FIRST_IMPL(__VA_ARGS__, throwaway) +#define _NM_MACRO_SELECT_FIRST_IMPL(first, ...) first + +#define _NM_MACRO_CALL(macro, ...) macro(__VA_ARGS__) +#define _NM_MACRO_CALL2(macro, ...) macro(__VA_ARGS__) + +/*****************************************************************************/ -#define _NM_IN_SET(op, type, x, ...) \ - _NM_IN_SET_EVAL_N(op, type, x, NM_NARG(__VA_ARGS__), __VA_ARGS__) +/* clang-format off */ +#define _NM_VA_ARGS_FOREACH_0(prefix, postfix, sep, op) +#define _NM_VA_ARGS_FOREACH_1(prefix, postfix, sep, op, x) prefix _NM_MACRO_CALL2(op, x, 0 ) postfix +#define _NM_VA_ARGS_FOREACH_2(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 1 ) postfix sep _NM_VA_ARGS_FOREACH_1(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_3(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 2 ) postfix sep _NM_VA_ARGS_FOREACH_2(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_4(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 3 ) postfix sep _NM_VA_ARGS_FOREACH_3(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_5(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 4 ) postfix sep _NM_VA_ARGS_FOREACH_4(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_6(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 5 ) postfix sep _NM_VA_ARGS_FOREACH_5(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_7(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 6 ) postfix sep _NM_VA_ARGS_FOREACH_6(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_8(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 7 ) postfix sep _NM_VA_ARGS_FOREACH_7(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_9(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 8 ) postfix sep _NM_VA_ARGS_FOREACH_8(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_10(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 9 ) postfix sep _NM_VA_ARGS_FOREACH_9(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_11(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 10 ) postfix sep _NM_VA_ARGS_FOREACH_10(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_12(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 11 ) postfix sep _NM_VA_ARGS_FOREACH_11(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_13(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 12 ) postfix sep _NM_VA_ARGS_FOREACH_12(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_14(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 13 ) postfix sep _NM_VA_ARGS_FOREACH_13(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_15(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 14 ) postfix sep _NM_VA_ARGS_FOREACH_14(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_16(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 15 ) postfix sep _NM_VA_ARGS_FOREACH_15(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_17(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 16 ) postfix sep _NM_VA_ARGS_FOREACH_16(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_18(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 17 ) postfix sep _NM_VA_ARGS_FOREACH_17(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_19(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 18 ) postfix sep _NM_VA_ARGS_FOREACH_18(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_20(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 19 ) postfix sep _NM_VA_ARGS_FOREACH_19(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_21(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 20 ) postfix sep _NM_VA_ARGS_FOREACH_20(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_22(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 21 ) postfix sep _NM_VA_ARGS_FOREACH_21(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_23(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 22 ) postfix sep _NM_VA_ARGS_FOREACH_22(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_24(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 23 ) postfix sep _NM_VA_ARGS_FOREACH_23(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_25(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 24 ) postfix sep _NM_VA_ARGS_FOREACH_24(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_26(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 25 ) postfix sep _NM_VA_ARGS_FOREACH_25(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_27(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 26 ) postfix sep _NM_VA_ARGS_FOREACH_26(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_28(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 27 ) postfix sep _NM_VA_ARGS_FOREACH_27(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_29(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 28 ) postfix sep _NM_VA_ARGS_FOREACH_28(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_30(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 29 ) postfix sep _NM_VA_ARGS_FOREACH_29(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_31(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 30 ) postfix sep _NM_VA_ARGS_FOREACH_30(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_32(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 31 ) postfix sep _NM_VA_ARGS_FOREACH_31(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_33(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 32 ) postfix sep _NM_VA_ARGS_FOREACH_32(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_34(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 33 ) postfix sep _NM_VA_ARGS_FOREACH_33(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_35(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 34 ) postfix sep _NM_VA_ARGS_FOREACH_34(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_36(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 35 ) postfix sep _NM_VA_ARGS_FOREACH_35(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_37(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 36 ) postfix sep _NM_VA_ARGS_FOREACH_36(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_38(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 37 ) postfix sep _NM_VA_ARGS_FOREACH_37(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_39(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 38 ) postfix sep _NM_VA_ARGS_FOREACH_38(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_40(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 39 ) postfix sep _NM_VA_ARGS_FOREACH_39(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_41(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 40 ) postfix sep _NM_VA_ARGS_FOREACH_40(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_42(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 41 ) postfix sep _NM_VA_ARGS_FOREACH_41(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_43(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 42 ) postfix sep _NM_VA_ARGS_FOREACH_42(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_44(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 43 ) postfix sep _NM_VA_ARGS_FOREACH_43(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_45(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 44 ) postfix sep _NM_VA_ARGS_FOREACH_44(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_46(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 45 ) postfix sep _NM_VA_ARGS_FOREACH_45(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_47(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 46 ) postfix sep _NM_VA_ARGS_FOREACH_46(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_48(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 47 ) postfix sep _NM_VA_ARGS_FOREACH_47(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_49(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 48 ) postfix sep _NM_VA_ARGS_FOREACH_48(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_50(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 49 ) postfix sep _NM_VA_ARGS_FOREACH_49(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_51(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 50 ) postfix sep _NM_VA_ARGS_FOREACH_50(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_52(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 51 ) postfix sep _NM_VA_ARGS_FOREACH_51(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_53(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 52 ) postfix sep _NM_VA_ARGS_FOREACH_52(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_54(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 53 ) postfix sep _NM_VA_ARGS_FOREACH_53(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_55(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 54 ) postfix sep _NM_VA_ARGS_FOREACH_54(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_56(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 55 ) postfix sep _NM_VA_ARGS_FOREACH_55(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_57(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 56 ) postfix sep _NM_VA_ARGS_FOREACH_56(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_58(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 57 ) postfix sep _NM_VA_ARGS_FOREACH_57(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_59(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 58 ) postfix sep _NM_VA_ARGS_FOREACH_58(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_60(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 59 ) postfix sep _NM_VA_ARGS_FOREACH_59(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_61(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 10 ) postfix sep _NM_VA_ARGS_FOREACH_60(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_62(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 61 ) postfix sep _NM_VA_ARGS_FOREACH_61(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_63(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 62 ) postfix sep _NM_VA_ARGS_FOREACH_62(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_64(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 63 ) postfix sep _NM_VA_ARGS_FOREACH_63(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_65(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 64 ) postfix sep _NM_VA_ARGS_FOREACH_64(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_66(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 65 ) postfix sep _NM_VA_ARGS_FOREACH_65(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_67(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 66 ) postfix sep _NM_VA_ARGS_FOREACH_66(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_68(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 67 ) postfix sep _NM_VA_ARGS_FOREACH_67(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_69(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 68 ) postfix sep _NM_VA_ARGS_FOREACH_68(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_70(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 69 ) postfix sep _NM_VA_ARGS_FOREACH_69(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_71(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 70 ) postfix sep _NM_VA_ARGS_FOREACH_70(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_72(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 71 ) postfix sep _NM_VA_ARGS_FOREACH_71(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_73(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 72 ) postfix sep _NM_VA_ARGS_FOREACH_72(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_74(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 73 ) postfix sep _NM_VA_ARGS_FOREACH_73(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_75(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 74 ) postfix sep _NM_VA_ARGS_FOREACH_74(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_76(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 75 ) postfix sep _NM_VA_ARGS_FOREACH_75(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_77(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 76 ) postfix sep _NM_VA_ARGS_FOREACH_76(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_78(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 77 ) postfix sep _NM_VA_ARGS_FOREACH_77(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_79(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 78 ) postfix sep _NM_VA_ARGS_FOREACH_78(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_80(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 79 ) postfix sep _NM_VA_ARGS_FOREACH_79(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_81(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 80 ) postfix sep _NM_VA_ARGS_FOREACH_80(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_82(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 81 ) postfix sep _NM_VA_ARGS_FOREACH_81(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_83(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 82 ) postfix sep _NM_VA_ARGS_FOREACH_82(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_84(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 83 ) postfix sep _NM_VA_ARGS_FOREACH_83(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_85(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 84 ) postfix sep _NM_VA_ARGS_FOREACH_84(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_86(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 85 ) postfix sep _NM_VA_ARGS_FOREACH_85(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_87(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 86 ) postfix sep _NM_VA_ARGS_FOREACH_86(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_88(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 87 ) postfix sep _NM_VA_ARGS_FOREACH_87(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_89(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 88 ) postfix sep _NM_VA_ARGS_FOREACH_88(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_90(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 89 ) postfix sep _NM_VA_ARGS_FOREACH_89(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_91(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 90 ) postfix sep _NM_VA_ARGS_FOREACH_90(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_92(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 91 ) postfix sep _NM_VA_ARGS_FOREACH_91(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_93(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 92 ) postfix sep _NM_VA_ARGS_FOREACH_92(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_94(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 93 ) postfix sep _NM_VA_ARGS_FOREACH_93(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_95(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 94 ) postfix sep _NM_VA_ARGS_FOREACH_94(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_96(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 95 ) postfix sep _NM_VA_ARGS_FOREACH_95(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_97(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 96 ) postfix sep _NM_VA_ARGS_FOREACH_96(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_98(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 97 ) postfix sep _NM_VA_ARGS_FOREACH_97(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_99(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 98 ) postfix sep _NM_VA_ARGS_FOREACH_98(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_100(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 99 ) postfix sep _NM_VA_ARGS_FOREACH_99(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_101(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 100) postfix sep _NM_VA_ARGS_FOREACH_100(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_102(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 101) postfix sep _NM_VA_ARGS_FOREACH_101(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_103(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 102) postfix sep _NM_VA_ARGS_FOREACH_102(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_104(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 103) postfix sep _NM_VA_ARGS_FOREACH_103(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_105(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 104) postfix sep _NM_VA_ARGS_FOREACH_104(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_106(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 105) postfix sep _NM_VA_ARGS_FOREACH_105(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_107(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 106) postfix sep _NM_VA_ARGS_FOREACH_106(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_108(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 107) postfix sep _NM_VA_ARGS_FOREACH_107(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_109(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 108) postfix sep _NM_VA_ARGS_FOREACH_108(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_110(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 109) postfix sep _NM_VA_ARGS_FOREACH_109(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_111(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 100) postfix sep _NM_VA_ARGS_FOREACH_110(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_112(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 111) postfix sep _NM_VA_ARGS_FOREACH_111(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_113(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 112) postfix sep _NM_VA_ARGS_FOREACH_112(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_114(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 113) postfix sep _NM_VA_ARGS_FOREACH_113(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_115(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 114) postfix sep _NM_VA_ARGS_FOREACH_114(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_116(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 115) postfix sep _NM_VA_ARGS_FOREACH_115(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_117(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 116) postfix sep _NM_VA_ARGS_FOREACH_116(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_118(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 117) postfix sep _NM_VA_ARGS_FOREACH_117(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_119(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 118) postfix sep _NM_VA_ARGS_FOREACH_118(prefix, postfix, sep, op, __VA_ARGS__) +#define _NM_VA_ARGS_FOREACH_120(prefix, postfix, sep, op, x, ...) prefix _NM_MACRO_CALL2(op, x, 119) postfix sep _NM_VA_ARGS_FOREACH_119(prefix, postfix, sep, op, __VA_ARGS__) +/* clang-format on */ +#define NM_VA_ARGS_FOREACH(prefix, postfix, sep, op, ...) \ + _NM_MACRO_CALL(NM_PASTE(_NM_VA_ARGS_FOREACH_, NM_NARG(__VA_ARGS__)), \ + prefix, \ + postfix, \ + sep, \ + op, \ + ##__VA_ARGS__) + +/*****************************************************************************/ + +#define NM_VA_ARGS_JOIN(sep, ...) NM_VA_ARGS_FOREACH(, , sep, _NM_MACRO_SELECT_FIRST, __VA_ARGS__) + +/*****************************************************************************/ + +#define _NM_IN_SET_OP(x, idx) (_x == (x)) +#define _NM_IN_SET(op, type, x, ...) \ + ({ \ + type _x = (x); \ + \ + /* trigger a -Wenum-compare warning */ \ + nm_assert(true || _x == (x)); \ + \ + !!(NM_VA_ARGS_FOREACH(, , op, _NM_IN_SET_OP, __VA_ARGS__)); \ + }) /* Beware that this does short-circuit evaluation (use "||" instead of "|") * which has a possibly unexpected non-function-like behavior. @@ -468,96 +776,31 @@ nm_streq0(const char *s1, const char *s2) /*****************************************************************************/ -#define _NM_IN_SETOP_EVAL_1(op, op_eq, _x, y) (op_eq(_x, y)) -#define _NM_IN_SETOP_EVAL_2(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_1(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_3(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_2(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_4(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_3(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_5(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_4(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_6(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_5(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_7(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_6(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_8(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_7(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_9(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_8(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_10(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_9(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_11(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_10(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_12(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_11(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_13(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_12(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_14(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_13(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_15(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_14(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_16(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_15(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_17(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_16(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_18(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_17(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_19(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_18(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_20(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_19(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_21(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_20(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_22(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_21(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_23(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_22(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_24(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_23(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_25(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_24(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_26(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_25(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_27(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_26(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_28(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_27(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_29(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_28(op, op_eq, _x, __VA_ARGS__) -#define _NM_IN_SETOP_EVAL_30(op, op_eq, _x, y, ...) \ - (op_eq(_x, y)) op _NM_IN_SETOP_EVAL_29(op, op_eq, _x, __VA_ARGS__) - -/*****************************************************************************/ - -#define _NM_IN_STRSET_EVAL_N2(op, op_ed, _x, n, ...) \ - (_NM_IN_SETOP_EVAL_##n(op, op_ed, _x, __VA_ARGS__)) -#define _NM_IN_STRSET_EVAL_N(op, op_ed, x, n, ...) \ - ({ \ - const char *_x = (x); \ - (((_x == NULL) && _NM_IN_SET_EVAL_N2(op, ((const char *) NULL), n, __VA_ARGS__)) \ - || ((_x != NULL) && _NM_IN_STRSET_EVAL_N2(op, op_ed, _x, n, __VA_ARGS__))); \ - }) - -/*****************************************************************************/ - static inline int -_NM_IN_STRSET_op_streq(const char *x, const char *s) +_NM_IN_STRSET_EVAL_op_streq(const char *x1, const char *x) { - return s && strcmp(x, s) == 0; + return x && nm_streq(x1, x); } +#define _NM_IN_STRSET_EVAL_OP_NULL(x, idx) (((const char *) NULL) == (x)) +#define _NM_IN_STRSET_EVAL_OP_STREQ(x, idx) _NM_IN_STRSET_EVAL_op_streq(_x1, x) +#define _NM_IN_STRSET_EVAL(op, eval_op, x1, ...) \ + ({ \ + const char *const _x1 = (x1); \ + \ + !!(_x1 ? (NM_VA_ARGS_FOREACH(, , op, eval_op, __VA_ARGS__)) \ + : (NM_VA_ARGS_FOREACH(, , op, _NM_IN_STRSET_EVAL_OP_NULL, __VA_ARGS__))); \ + }) + /* Beware that this does short-circuit evaluation (use "||" instead of "|") * which has a possibly unexpected non-function-like behavior. * Use NM_IN_STRSET_SE if you need all arguments to be evaluated. */ -#define NM_IN_STRSET(x, ...) \ - _NM_IN_STRSET_EVAL_N(||, _NM_IN_STRSET_op_streq, x, NM_NARG(__VA_ARGS__), __VA_ARGS__) +#define NM_IN_STRSET(x1, ...) _NM_IN_STRSET_EVAL(||, _NM_IN_STRSET_EVAL_OP_STREQ, x1, __VA_ARGS__) /* "SE" stands for "side-effect". Contrary to NM_IN_STRSET(), this does not do * short-circuit evaluation, which can make a difference if the arguments have * side-effects. */ -#define NM_IN_STRSET_SE(x, ...) \ - _NM_IN_STRSET_EVAL_N(|, _NM_IN_STRSET_op_streq, x, NM_NARG(__VA_ARGS__), __VA_ARGS__) +#define NM_IN_STRSET_SE(x1, ...) _NM_IN_STRSET_EVAL(|, _NM_IN_STRSET_EVAL_OP_STREQ, x1, __VA_ARGS__) /*****************************************************************************/ @@ -626,6 +869,19 @@ nm_close(int fd) return r; } +static inline bool +nm_clear_fd(int *p_fd) +{ + int fd; + + if (!p_fd || (fd = *p_fd) < 0) + return false; + + *p_fd = -1; + nm_close(fd); + return true; +} + /*****************************************************************************/ /* Note: @value is only evaluated when *out_val is present. @@ -734,7 +990,7 @@ _nm_auto_fclose(FILE **pfd) int _changed = false; \ \ if (_pp && (_p = *_pp)) { \ - _nm_unused const void *_p_check_is_pointer = _p; \ + _NM_ENSURE_POINTER(_p); \ \ *_pp = NULL; \ \ @@ -757,14 +1013,15 @@ _nm_auto_fclose(FILE **pfd) /*****************************************************************************/ -#define nm_steal_pointer(pp) \ - ({ \ - typeof(*(pp)) *const _pp = (pp); \ - typeof(*_pp) _p = *_pp; \ - _nm_unused const void *const _p_type_check = _p; \ - \ - *_pp = NULL; \ - _p; \ +#define nm_steal_pointer(pp) \ + ({ \ + typeof(*(pp)) *const _pp = (pp); \ + typeof(*_pp) _p = *_pp; \ + \ + _NM_ENSURE_POINTER(_p); \ + \ + *_pp = NULL; \ + _p; \ }) /** @@ -774,15 +1031,15 @@ _nm_auto_fclose(FILE **pfd) * Returns: *p_val and sets *p_val to zero the same time. * Accepts %NULL, in which case also numeric 0 will be returned. */ -#define nm_steal_int(p_val) \ - ({ \ - typeof(p_val) const _p_val = (p_val); \ - typeof(*_p_val) _val = 0; \ - \ - if (_p_val && (_val = *_p_val)) { \ - *_p_val = 0; \ - } \ - _val; \ +#define nm_steal_int(p_val) \ + ({ \ + typeof(p_val) const _p_val = (p_val); \ + typeof(*_p_val) _val = 0; \ + \ + if (_p_val && ((_val = *_p_val) != 0)) { \ + *_p_val = 0; \ + } \ + _val; \ }) static inline int @@ -923,6 +1180,21 @@ nm_ptr_to_uintptr(const void *p) #define NM_AF_INET_SIZE 4 /* sizeof (in_addr_t) */ #define NM_AF_INET6_SIZE 16 /* sizeof (stuct in6_addr) */ +static inline const char * +nm_utils_addr_family_to_str(int addr_family) +{ + switch (addr_family) { + case NM_AF_UNSPEC: + return ""; + case NM_AF_INET: + return "4"; + case NM_AF_INET6: + return "6"; + } + nm_assert_not_reached(); + return "?"; +} + static inline char nm_utils_addr_family_to_char(int addr_family) { @@ -938,6 +1210,29 @@ nm_utils_addr_family_to_char(int addr_family) return '?'; } +#define nm_assert_addr_family(addr_family) \ + nm_assert(NM_IN_SET((addr_family), NM_AF_INET, NM_AF_INET6)) + +#define nm_assert_addr_family_or_unspec(addr_family) \ + nm_assert(NM_IN_SET((addr_family), NM_AF_UNSPEC, NM_AF_INET, NM_AF_INET6)) + +#define _NM_IS_IPv4(uniq, addr_family) \ + ({ \ + const int NM_UNIQ_T(_addr_family, uniq) = (addr_family); \ + \ + nm_assert_addr_family(NM_UNIQ_T(_addr_family, uniq)); \ + \ + (NM_UNIQ_T(_addr_family, uniq) == NM_AF_INET); \ + }) + +#define NM_IS_IPv4(addr_family) _NM_IS_IPv4(NM_UNIQ, addr_family) + +static inline int +nm_utils_addr_family_other(int addr_family) +{ + return NM_IS_IPv4(addr_family) ? NM_AF_INET6 : NM_AF_INET; +} + static inline size_t nm_utils_addr_family_to_size(int addr_family) { @@ -947,8 +1242,7 @@ nm_utils_addr_family_to_size(int addr_family) case NM_AF_INET6: return NM_AF_INET6_SIZE; } - nm_assert_not_reached(); - return 0; + return nm_assert_unreachable_val(0); } static inline int @@ -963,16 +1257,4 @@ nm_utils_addr_family_from_size(size_t len) return NM_AF_UNSPEC; } -#define nm_assert_addr_family(addr_family) \ - nm_assert(NM_IN_SET((addr_family), NM_AF_INET, NM_AF_INET6)) - -#define NM_IS_IPv4(addr_family) \ - ({ \ - const int _addr_family = (addr_family); \ - \ - nm_assert_addr_family(_addr_family); \ - \ - (_addr_family == NM_AF_INET); \ - }) - #endif /* __NM_STD_AUX_H__ */ |