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cdddd5d40b
Decorate PLy_elog() in a similar way as elog(), to give compilers and static analyzers hints in which cases it does not return. Reviewed-by: John Naylor <jcnaylor@gmail.com>
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/*
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* src/pl/plpython/plpy_elog.h
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*/
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#ifndef PLPY_ELOG_H
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#define PLPY_ELOG_H
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/* global exception classes */
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extern PyObject *PLy_exc_error;
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extern PyObject *PLy_exc_fatal;
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extern PyObject *PLy_exc_spi_error;
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/*
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* PLy_elog()
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*
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* See comments at elog() about the compiler hinting.
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*/
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#ifdef HAVE__VA_ARGS
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#ifdef HAVE__BUILTIN_CONSTANT_P
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#define PLy_elog(elevel, ...) \
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do { \
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PLy_elog_impl(elevel, __VA_ARGS__); \
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if (__builtin_constant_p(elevel) && (elevel) >= ERROR) \
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pg_unreachable(); \
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} while(0)
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#else /* !HAVE__BUILTIN_CONSTANT_P */
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#define PLy_elog(elevel, ...) \
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do { \
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const int elevel_ = (elevel); \
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PLy_elog_impl(elevel_, __VA_ARGS__); \
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if (elevel_ >= ERROR) \
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pg_unreachable(); \
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} while(0)
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#endif /* HAVE__BUILTIN_CONSTANT_P */
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#else /* !HAVE__VA_ARGS */
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#define PLy_elog PLy_elog_impl
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#endif /* HAVE__VA_ARGS */
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extern void PLy_elog_impl(int elevel, const char *fmt,...) pg_attribute_printf(2, 3);
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extern void PLy_exception_set(PyObject *exc, const char *fmt,...) pg_attribute_printf(2, 3);
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extern void PLy_exception_set_plural(PyObject *exc, const char *fmt_singular, const char *fmt_plural,
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unsigned long n,...) pg_attribute_printf(2, 5) pg_attribute_printf(3, 5);
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extern void PLy_exception_set_with_details(PyObject *excclass, ErrorData *edata);
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#endif /* PLPY_ELOG_H */
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