Hi, I would like to get some clarification on some problem. When I was
build the project I've seen some warnings one of
them(plugin/innobase/xtrabackup/xtrabackup.cc:135:27: warning: redundant
redeclaration of ‘ulint recv_find_max_checkpoint(log_group_t**, ulint*)’ in
same scope [-Wredundant-decls]
). I had seen in code and some idea not understood.
#include "xtrabackup_api.h"
/* prototypes for static functions in original */
ulint
recv_find_max_checkpoint(
/*=====================*/
/* out: error code or DB_SUCCESS */
log_group_t** max_group, /* out: max group */
ulint* max_field); /* out: LOG_CHECKPOINT_1 or
LOG_CHECKPOINT_2 */
*recv_find_max_checkpoint - has already been declareted im
xtrabackup_api.h. Why is declareted * recv_find_max_checkpoint *again
? And why not use directive #ifndef ... #endif?*
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