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macro-fundamental: allow to nest ASSERT_PTR

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E.g.,

int job_frobnicate(Job *j) {
        Unit *u = ASSERT_PTR(ASSERT_PTR(j)->unit);
        ...
}
This commit is contained in:
David Tardon
2022-09-09 10:04:36 +02:00
parent c9bc7a449c
commit 23cd002562
1 changed files with 7 additions and 12 deletions
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19
src/fundamental/macro-fundamental.h
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@@ -81,18 +81,13 @@
#endif
/* This passes the argument through after (if asserts are enabled) checking that it is not null. */
#define ASSERT_PTR(expr) \
({ \
typeof(expr) _expr_ = (expr); \
assert(_expr_); \
_expr_; \
})
#define ASSERT_SE_PTR(expr) \
({ \
typeof(expr) _expr_ = (expr); \
assert_se(_expr_); \
_expr_; \
#define ASSERT_PTR(expr) _ASSERT_PTR(expr, UNIQ_T(_expr_, UNIQ), assert)
#define ASSERT_SE_PTR(expr) _ASSERT_PTR(expr, UNIQ_T(_expr_, UNIQ), assert_se)
#define _ASSERT_PTR(expr, var, check) \
({ \
typeof(expr) var = (expr); \
check(var); \
var; \
})
#define ASSERT_NONNEG(expr) \