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shared: move various basic helpers from "nm-macros-internal.h" to "nm-std-aux.h"

Browse source 
These are generally useful and independent of glib. Move them to
nm-std-aux, which has no glib dependency.
This commit is contained in:
Thomas Haller 2020-07-07 21:23:05 +02:00
parent 1b408e243d
commit f0deb24249
No known key found for this signature in database
GPG key ID: 29C2366E4DFC5728
2 changed files with 247 additions and 244 deletions
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244
shared/nm-glib-aux/nm-macros-internal.h
View file

@ -409,29 +409,6 @@ NM_G_ERROR_MSG (GError *error)
/*****************************************************************************/
/* macro to return strlen() of a compile time string. */
#define NM_STRLEN(str) ( sizeof (""str"") - 1 )
/* returns the length of a NULL terminated array of pointers,
* like g_strv_length() does. The difference is:
* - it operats 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); \
gsize _n = 0; \
\
if (_array) { \
_nm_unused gconstpointer _type_check_is_pointer = _array[0]; \
\
while (_array[_n]) \
_n++; \
} \
_n; \
})
/*****************************************************************************/
#ifndef _NM_CC_SUPPORT_AUTO_TYPE
#if (defined (__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9 )))
#define _NM_CC_SUPPORT_AUTO_TYPE 1
@ -655,156 +632,6 @@ NM_G_ERROR_MSG (GError *error)
/*****************************************************************************/
#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_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__); \
})
#define _NM_IN_SET(op, type, x, ...) _NM_IN_SET_EVAL_N(op, type, x, NM_NARG (__VA_ARGS__), __VA_ARGS__)
/* Beware that this does short-circuit evaluation (use "||" instead of "|")
* which has a possibly unexpected non-function-like behavior.
* Use NM_IN_SET_SE if you need all arguments to be evaluated. */
#define NM_IN_SET(x, ...) _NM_IN_SET(||, typeof (x), x, __VA_ARGS__)
/* "SE" stands for "side-effect". Contrary to NM_IN_SET(), this does not do
* short-circuit evaluation, which can make a difference if the arguments have
* side-effects. */
#define NM_IN_SET_SE(x, ...) _NM_IN_SET(|, typeof (x), x, __VA_ARGS__)
/* the *_TYPED forms allow to explicitly select the type of "x". This is useful
* if "x" doesn't support typeof (bitfields) or you want to gracefully convert
* a type using automatic type conversion rules (but not forcing the conversion
* with a cast). */
#define NM_IN_SET_TYPED(type, x, ...) _NM_IN_SET(||, type, x, __VA_ARGS__)
#define NM_IN_SET_SE_TYPED(type, x, ...) _NM_IN_SET(|, type, x, __VA_ARGS__)
/*****************************************************************************/
#define NM_SWAP(a, b) \
G_STMT_START { \
typeof (a) _tmp; \
\
_tmp = (a); \
(a) = (b); \
(b) = _tmp; \
} G_STMT_END
/*****************************************************************************/
static inline gboolean
_NM_IN_STRSET_streq (const char *x, const char *s)
{
return s && strcmp (x, s) == 0;
}
#define _NM_IN_STRSET_EVAL_1( op, _x, y) _NM_IN_STRSET_streq (_x, y)
#define _NM_IN_STRSET_EVAL_2( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_1 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_3( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_2 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_4( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_3 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_5( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_4 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_6( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_5 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_7( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_6 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_8( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_7 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_9( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_8 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_10(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_9 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_11(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_10 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_12(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_11 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_13(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_12 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_14(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_13 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_15(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_14 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_16(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_15 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_N2(op, _x, n, ...) (_NM_IN_STRSET_EVAL_##n(op, _x, __VA_ARGS__))
#define _NM_IN_STRSET_EVAL_N(op, 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, _x, n, __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(||, x, NM_NARG (__VA_ARGS__), __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(|, x, NM_NARG (__VA_ARGS__), __VA_ARGS__)
#define NM_STRCHAR_ALL(str, ch_iter, predicate) \
({ \
gboolean _val = TRUE; \
const char *_str = (str); \
\
if (_str) { \
for (;;) { \
const char ch_iter = _str[0]; \
\
if (ch_iter != '\0') { \
if (predicate) {\
_str++; \
continue; \
} \
_val = FALSE; \
} \
break; \
} \
} \
_val; \
})
#define NM_STRCHAR_ANY(str, ch_iter, predicate) \
({ \
gboolean _val = FALSE; \
const char *_str = (str); \
\
if (_str) { \
for (;;) { \
const char ch_iter = _str[0]; \
\
if (ch_iter != '\0') { \
if (predicate) { \
; \
} else { \
_str++; \
continue; \
} \
_val = TRUE; \
} \
break; \
} \
} \
_val; \
})
/*****************************************************************************/
/* NM_CACHED_QUARK() returns the GQuark for @string, but caches
* it in a static variable to speed up future lookups.
*
@ -839,77 +666,6 @@ fcn (void) \
/*****************************************************************************/
static inline int
nm_strcmp0 (const char *s1, const char *s2)
{
int c;
/* like g_strcmp0(), but this is inlinable.
*
* Also, it is guaranteed to return either -1, 0, or 1. */
if (s1 == s2)
return 0;
if (!s1)
return -1;
if (!s2)
return 1;
c = strcmp (s1, s2);
if (c < 0)
return -1;
if (c > 0)
return 1;
return 0;
}
static inline gboolean
nm_streq (const char *s1, const char *s2)
{
return strcmp (s1, s2) == 0;
}
static inline gboolean
nm_streq0 (const char *s1, const char *s2)
{
return (s1 == s2)
|| (s1 && s2 && strcmp (s1, s2) == 0);
}
#define NM_STR_HAS_PREFIX(str, prefix) \
({ \
const char *const _str_has_prefix = (str); \
\
nm_assert (strlen (prefix) == NM_STRLEN (prefix)); \
\
_str_has_prefix \
&& (strncmp (_str_has_prefix, ""prefix"", NM_STRLEN (prefix)) == 0); \
})
#define NM_STR_HAS_SUFFIX(str, suffix) \
({ \
const char *const _str_has_suffix = (str); \
gsize _l; \
\
nm_assert (strlen (suffix) == NM_STRLEN (suffix)); \
\
( _str_has_suffix \
&& ((_l = strlen (_str_has_suffix)) >= NM_STRLEN (suffix)) \
&& (memcmp (&_str_has_suffix[_l - NM_STRLEN (suffix)], \
""suffix"", \
NM_STRLEN (suffix)) == 0)); \
})
/* whether @str starts with the string literal @prefix and is followed by
* some other text. It is like NM_STR_HAS_PREFIX() && !nm_streq() together. */
#define NM_STR_HAS_PREFIX_WITH_MORE(str, prefix) \
({ \
const char *const _str_has_prefix_with_more = (str); \
\
NM_STR_HAS_PREFIX (_str_has_prefix_with_more, ""prefix"") \
&& _str_has_prefix_with_more[NM_STRLEN (prefix)] != '\0'; \
})
/*****************************************************************************/
static inline GString *
nm_gstring_prepare (GString **l)
{

247
shared/nm-std-aux/nm-std-aux.h
View file

@ -4,6 +4,7 @@
#define __NM_STD_AUX_H__
#include <assert.h>
#include <string.h>
/*****************************************************************************/
@ -176,6 +177,252 @@
/*****************************************************************************/
#define NM_SWAP(a, b) \
do { \
typeof (a) _tmp; \
\
_tmp = (a); \
(a) = (b); \
(b) = _tmp; \
} while (0)
/*****************************************************************************/
/* macro to return strlen() of a compile time string. */
#define NM_STRLEN(str) ( sizeof (""str"") - 1u )
/* 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; \
})
/*****************************************************************************/
static inline int
nm_strcmp0 (const char *s1, const char *s2)
{
int c;
/* like g_strcmp0(), but this is inlinable.
*
* Also, it is guaranteed to return either -1, 0, or 1. */
if (s1 == s2)
return 0;
if (!s1)
return -1;
if (!s2)
return 1;
c = strcmp (s1, s2);
if (c < 0)
return -1;
if (c > 0)
return 1;
return 0;
}
static inline int
nm_streq (const char *s1, const char *s2)
{
return strcmp (s1, s2) == 0;
}
static inline int
nm_streq0 (const char *s1, const char *s2)
{
return (s1 == s2)
|| (s1 && s2 && strcmp (s1, s2) == 0);
}
#define NM_STR_HAS_PREFIX(str, prefix) \
({ \
const char *const _str_has_prefix = (str); \
\
nm_assert (strlen (prefix) == NM_STRLEN (prefix)); \
\
_str_has_prefix \
&& (strncmp (_str_has_prefix, ""prefix"", NM_STRLEN (prefix)) == 0); \
})
#define NM_STR_HAS_SUFFIX(str, suffix) \
({ \
const char *const _str_has_suffix = (str); \
size_t _l; \
\
nm_assert (strlen (suffix) == NM_STRLEN (suffix)); \
\
( _str_has_suffix \
&& ((_l = strlen (_str_has_suffix)) >= NM_STRLEN (suffix)) \
&& (memcmp (&_str_has_suffix[_l - NM_STRLEN (suffix)], \
""suffix"", \
NM_STRLEN (suffix)) == 0)); \
})
/* whether @str starts with the string literal @prefix and is followed by
* some other text. It is like NM_STR_HAS_PREFIX() && !nm_streq() together. */
#define NM_STR_HAS_PREFIX_WITH_MORE(str, prefix) \
({ \
const char *const _str_has_prefix_with_more = (str); \
\
NM_STR_HAS_PREFIX (_str_has_prefix_with_more, ""prefix"") \
&& _str_has_prefix_with_more[NM_STRLEN (prefix)] != '\0'; \
})
/*****************************************************************************/
#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_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__); \
})
#define _NM_IN_SET(op, type, x, ...) _NM_IN_SET_EVAL_N(op, type, x, NM_NARG (__VA_ARGS__), __VA_ARGS__)
/* Beware that this does short-circuit evaluation (use "||" instead of "|")
* which has a possibly unexpected non-function-like behavior.
* Use NM_IN_SET_SE if you need all arguments to be evaluated. */
#define NM_IN_SET(x, ...) _NM_IN_SET(||, typeof (x), x, __VA_ARGS__)
/* "SE" stands for "side-effect". Contrary to NM_IN_SET(), this does not do
* short-circuit evaluation, which can make a difference if the arguments have
* side-effects. */
#define NM_IN_SET_SE(x, ...) _NM_IN_SET(|, typeof (x), x, __VA_ARGS__)
/* the *_TYPED forms allow to explicitly select the type of "x". This is useful
* if "x" doesn't support typeof (bitfields) or you want to gracefully convert
* a type using automatic type conversion rules (but not forcing the conversion
* with a cast). */
#define NM_IN_SET_TYPED(type, x, ...) _NM_IN_SET(||, type, x, __VA_ARGS__)
#define NM_IN_SET_SE_TYPED(type, x, ...) _NM_IN_SET(|, type, x, __VA_ARGS__)
/*****************************************************************************/
static inline int
_NM_IN_STRSET_streq (const char *x, const char *s)
{
return s && strcmp (x, s) == 0;
}
#define _NM_IN_STRSET_EVAL_1( op, _x, y) _NM_IN_STRSET_streq (_x, y)
#define _NM_IN_STRSET_EVAL_2( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_1 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_3( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_2 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_4( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_3 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_5( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_4 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_6( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_5 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_7( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_6 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_8( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_7 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_9( op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_8 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_10(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_9 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_11(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_10 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_12(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_11 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_13(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_12 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_14(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_13 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_15(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_14 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_16(op, _x, y, ...) _NM_IN_STRSET_streq (_x, y) op _NM_IN_STRSET_EVAL_15 (op, _x, __VA_ARGS__)
#define _NM_IN_STRSET_EVAL_N2(op, _x, n, ...) (_NM_IN_STRSET_EVAL_##n(op, _x, __VA_ARGS__))
#define _NM_IN_STRSET_EVAL_N(op, 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, _x, n, __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(||, x, NM_NARG (__VA_ARGS__), __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(|, x, NM_NARG (__VA_ARGS__), __VA_ARGS__)
/*****************************************************************************/
#define NM_STRCHAR_ALL(str, ch_iter, predicate) \
({ \
int _val = TRUE; \
const char *_str = (str); \
\
if (_str) { \
for (;;) { \
const char ch_iter = _str[0]; \
\
if (ch_iter != '\0') { \
if (predicate) {\
_str++; \
continue; \
} \
_val = FALSE; \
} \
break; \
} \
} \
_val; \
})
#define NM_STRCHAR_ANY(str, ch_iter, predicate) \
({ \
int _val = FALSE; \
const char *_str = (str); \
\
if (_str) { \
for (;;) { \
const char ch_iter = _str[0]; \
\
if (ch_iter != '\0') { \
if (predicate) { \
; \
} else { \
_str++; \
continue; \
} \
_val = TRUE; \
} \
break; \
} \
} \
_val; \
})
/*****************************************************************************/
/* Note: @value is only evaluated when *out_val is present.
* Thus,
* NM_SET_OUT (out_str, g_strdup ("hallo"));