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Support use of strnlen() in pre-v11 branches.

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Back-patch a minimal subset of commits fffd651e8 and 46912d9b1,
to support strnlen() on all platforms without adding any callers.
This will be needed by a following bug fix.
This commit is contained in:
Tom Lane
2021-06-07 13:12:35 -04:00
parent 32db0d68be
commit 0b116346b0
8 changed files with 80 additions and 5 deletions
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4
configure.in
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@ -1548,7 +1548,7 @@ AC_CHECK_DECLS(posix_fadvise, [], [], [#include <fcntl.h>])
]) # fi
AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
AC_CHECK_DECLS([strlcat, strlcpy])
AC_CHECK_DECLS([strlcat, strlcpy, strnlen])
# This is probably only present on macOS, but may as well check always
AC_CHECK_DECLS(F_FULLFSYNC, [], [], [#include <fcntl.h>])
@ -1640,7 +1640,7 @@ else
AC_CHECK_FUNCS([fpclass fp_class fp_class_d class], [break])
fi
AC_REPLACE_FUNCS([crypt fls getopt getrusage inet_aton mkdtemp random rint srandom strerror strlcat strlcpy])
AC_REPLACE_FUNCS([crypt fls getopt getrusage inet_aton mkdtemp random rint srandom strerror strlcat strlcpy strnlen])
case $host_os in