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68043c2e8c
valgrind locally complains about the allocations in autodata leaking: ``` ==138200== 16 bytes in 1 blocks are still reachable in loss record 1 of 2 ==138200== at 0x483B7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==138200== by 0x10D41A: autodata_register_ (autodata.c:20) ==138200== by 0x10E7B8: register_autotype_type_to_string (type_to_string.h:79) ==138200== by 0x10F5CA: register_one_type_to_string0 (block.c:259) ==138200== by 0x19734C: __libc_csu_init (in /home/rusty/devel/cvs/lightning/common/test/run-route-specific) ==138200== by 0x4A3D03F: (below main) (libc-start.c:264) ==138200== ==138200== 176 bytes in 1 blocks are still reachable in loss record 2 of 2 ==138200== at 0x483DFAF: realloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==138200== by 0x10D472: autodata_register_ (autodata.c:26) ==138200== by 0x122D37: register_autotype_type_to_string (type_to_string.h:79) ==138200== by 0x122F1F: register_one_type_to_string0 (node_id.c:50) ==138200== by 0x19734C: __libc_csu_init (in /home/rusty/devel/cvs/lightning/common/test/run-route-specific) ==138200== by 0x4A3D03F: (below main) (libc-start.c:264) ==138200== make: *** [Makefile:638: unittest/common/test/run-route-specific] Error 7 ``` Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
30 lines
954 B
C
30 lines
954 B
C
#ifndef LIGHTNING_COMMON_AUTODATA_H
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#define LIGHTNING_COMMON_AUTODATA_H
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#include "config.h"
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#include <ccan/compiler/compiler.h>
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#include <ccan/cppmagic/cppmagic.h>
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#include <stddef.h>
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#define AUTODATA_TYPE(name, type) \
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static inline void register_autotype_##name(const type *t) { \
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autodata_register_(#name, t); \
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} \
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typedef type autodata_##name##_
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/* This uses GCC's constructor attribute */
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#define AUTODATA(name, ptr) \
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static __attribute__((constructor)) NEEDED \
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void CPPMAGIC_GLUE2(register_one_##name,__COUNTER__)(void) { \
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register_autotype_##name(ptr); \
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}
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#define autodata_get(name, nump) \
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((autodata_##name##_ **)autodata_get_(#name, (nump)))
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void autodata_register_(const char *typename, const void *ptr);
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void *autodata_get_(const char *typename, size_t *nump);
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/* Call on shutdown to keep valgrind leak detection happy. */
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void autodata_cleanup(void);
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#endif /* LIGHTNING_COMMON_AUTODATA_H */
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