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cleanup: add cleanup func macro that renames the function

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This is useful when having to add a "sym_" prefix to functions
This commit is contained in:
Lennart Poettering
2025-09-23 11:43:43 +02:00
parent 696b1263dc
commit 31a66a1126
1 changed files with 14 additions and 11 deletions
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25
src/fundamental/cleanup-fundamental.h
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@@ -17,19 +17,22 @@
*p = func(*p); \
}
/* When func() doesn't return the appropriate type, set variable to empty afterwards.
* The func() may be provided by a dynamically loaded shared library, hence add an assertion. */
#define DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(type, func, empty) \
static inline void func##p(type *p) { \
if (*p != (empty)) { \
DISABLE_WARNING_ADDRESS; \
assert(func); \
REENABLE_WARNING; \
func(*p); \
*p = (empty); \
} \
/* When func() doesn't return the appropriate type, set variable to empty afterwards. The func() may be
* provided by a dynamically loaded (dlopen()) shared library, hence add an assertion. */
#define DEFINE_TRIVIAL_CLEANUP_FUNC_FULL_RENAME(type, func, name, empty) \
static inline void name(type *p) { \
if (*p != (empty)) { \
DISABLE_WARNING_ADDRESS; \
assert(func); \
REENABLE_WARNING; \
func(*p); \
*p = (empty); \
} \
}
#define DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(type, func, empty) \
DEFINE_TRIVIAL_CLEANUP_FUNC_FULL_RENAME(type, func, func##p, empty)
/* When func() doesn't return the appropriate type, and is also a macro, set variable to empty afterwards. */
#define DEFINE_TRIVIAL_CLEANUP_FUNC_FULL_MACRO(type, func, empty) \
static inline void func##p(type *p) { \