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-rwxr-xr-xconfigure23
-rw-r--r--configure.in4
-rw-r--r--src/include/pg_config.h.in7
-rw-r--r--src/include/pg_config.h.win327
-rw-r--r--src/include/port.h4
-rw-r--r--src/interfaces/libpq/.gitignore1
-rw-r--r--src/interfaces/libpq/Makefile6
-rw-r--r--src/port/strnlen.c33
8 files changed, 80 insertions, 5 deletions
diff --git a/configure b/configure
index d8597c388db..ed0f712111b 100755
--- a/configure
+++ b/configure
@@ -13513,6 +13513,16 @@ fi
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_STRLCPY $ac_have_decl
_ACEOF
+ac_fn_c_check_decl "$LINENO" "strnlen" "ac_cv_have_decl_strnlen" "$ac_includes_default"
+if test "x$ac_cv_have_decl_strnlen" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_STRNLEN $ac_have_decl
+_ACEOF
# This is probably only present on macOS, but may as well check always
ac_fn_c_check_decl "$LINENO" "F_FULLFSYNC" "ac_cv_have_decl_F_FULLFSYNC" "#include <fcntl.h>
@@ -13880,6 +13890,19 @@ esac
fi
+ac_fn_c_check_func "$LINENO" "strnlen" "ac_cv_func_strnlen"
+if test "x$ac_cv_func_strnlen" = xyes; then :
+ $as_echo "#define HAVE_STRNLEN 1" >>confdefs.h
+
+else
+ case " $LIBOBJS " in
+ *" strnlen.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS strnlen.$ac_objext"
+ ;;
+esac
+
+fi
+
case $host_os in
diff --git a/configure.in b/configure.in
index 270286ee242..73fc4018949 100644
--- a/configure.in
+++ b/configure.in
@@ -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
diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in
index a27eb57048c..292d6924f8e 100644
--- a/src/include/pg_config.h.in
+++ b/src/include/pg_config.h.in
@@ -150,6 +150,10 @@
don't. */
#undef HAVE_DECL_STRLCPY
+/* Define to 1 if you have the declaration of `strnlen', and to 0 if you
+ don't. */
+#undef HAVE_DECL_STRNLEN
+
/* Define to 1 if you have the declaration of `strtoll', and to 0 if you
don't. */
#undef HAVE_DECL_STRTOLL
@@ -504,6 +508,9 @@
/* Define to 1 if you have the `strlcpy' function. */
#undef HAVE_STRLCPY
+/* Define to 1 if you have the `strnlen' function. */
+#undef HAVE_STRNLEN
+
/* Define to use have a strong random number source */
#undef HAVE_STRONG_RANDOM
diff --git a/src/include/pg_config.h.win32 b/src/include/pg_config.h.win32
index 422ea6f703b..20aaa2d6a9a 100644
--- a/src/include/pg_config.h.win32
+++ b/src/include/pg_config.h.win32
@@ -102,6 +102,10 @@
don't. */
#define HAVE_DECL_SNPRINTF 1
+/* Define to 1 if you have the declaration of `strnlen', and to 0 if you
+ don't. */
+#define HAVE_DECL_STRNLEN 1
+
/* Define to 1 if you have the declaration of `strtoll', and to 0 if you
don't. */
#define HAVE_DECL_STRTOLL 1
@@ -271,6 +275,9 @@
/* Define to 1 if you have the <pam/pam_appl.h> header file. */
/* #undef HAVE_PAM_PAM_APPL_H */
+/* Define to 1 if you have the `strnlen' function. */
+#define HAVE_STRNLEN 1
+
/* Define to 1 if you have the `poll' function. */
/* #undef HAVE_POLL */
diff --git a/src/include/port.h b/src/include/port.h
index 52deede1939..74992715e4a 100644
--- a/src/include/port.h
+++ b/src/include/port.h
@@ -409,6 +409,10 @@ extern size_t strlcat(char *dst, const char *src, size_t siz);
extern size_t strlcpy(char *dst, const char *src, size_t siz);
#endif
+#if !HAVE_DECL_STRNLEN
+extern size_t strnlen(const char *str, size_t maxlen);
+#endif
+
#if !defined(HAVE_RANDOM)
extern long random(void);
#endif
diff --git a/src/interfaces/libpq/.gitignore b/src/interfaces/libpq/.gitignore
index 6c02dc70551..5c232ae2d11 100644
--- a/src/interfaces/libpq/.gitignore
+++ b/src/interfaces/libpq/.gitignore
@@ -18,6 +18,7 @@
/snprintf.c
/strerror.c
/strlcpy.c
+/strnlen.c
/thread.c
/win32error.c
/win32setlocale.c
diff --git a/src/interfaces/libpq/Makefile b/src/interfaces/libpq/Makefile
index 87f22d242fb..94eb84be030 100644
--- a/src/interfaces/libpq/Makefile
+++ b/src/interfaces/libpq/Makefile
@@ -38,7 +38,7 @@ OBJS= fe-auth.o fe-auth-scram.o fe-connect.o fe-exec.o fe-misc.o fe-print.o fe-l
OBJS += chklocale.o inet_net_ntop.o noblock.o pgstrcasecmp.o pqsignal.o \
thread.o
# libpgport C files that are needed if identified by configure
-OBJS += $(filter crypt.o getaddrinfo.o getpeereid.o inet_aton.o open.o system.o snprintf.o strerror.o strlcpy.o win32error.o win32setlocale.o, $(LIBOBJS))
+OBJS += $(filter crypt.o getaddrinfo.o getpeereid.o inet_aton.o open.o system.o snprintf.o strerror.o strlcpy.o strnlen.o win32error.o win32setlocale.o, $(LIBOBJS))
ifeq ($(enable_strong_random), yes)
OBJS += pg_strong_random.o
@@ -103,7 +103,7 @@ backend_src = $(top_srcdir)/src/backend
# the module is needed (see filter hack in OBJS, above).
# When you add a file here, remember to add it in the "clean" target below.
-chklocale.c crypt.c erand48.c getaddrinfo.c getpeereid.c inet_aton.c inet_net_ntop.c noblock.c open.c system.c pgsleep.c pg_strong_random.c pgstrcasecmp.c pqsignal.c snprintf.c strerror.c strlcpy.c thread.c win32error.c win32setlocale.c: % : $(top_srcdir)/src/port/%
+chklocale.c crypt.c erand48.c getaddrinfo.c getpeereid.c inet_aton.c inet_net_ntop.c noblock.c open.c system.c pgsleep.c pg_strong_random.c pgstrcasecmp.c pqsignal.c snprintf.c strerror.c strlcpy.c strnlen.c thread.c win32error.c win32setlocale.c: % : $(top_srcdir)/src/port/%
rm -f $@ && $(LN_S) $< .
ip.c md5.c base64.c scram-common.c sha2.c sha2_openssl.c saslprep.c unicode_norm.c: % : $(top_srcdir)/src/common/%
@@ -155,7 +155,7 @@ clean distclean: clean-lib
# Might be left over from a Win32 client-only build
rm -f pg_config_paths.h
# Remove files we (may have) symlinked in from src/port and other places
- rm -f chklocale.c crypt.c erand48.c getaddrinfo.c getpeereid.c inet_aton.c inet_net_ntop.c noblock.c open.c system.c pgsleep.c pg_strong_random.c pgstrcasecmp.c pqsignal.c snprintf.c strerror.c strlcpy.c thread.c win32error.c win32setlocale.c
+ rm -f chklocale.c crypt.c erand48.c getaddrinfo.c getpeereid.c inet_aton.c inet_net_ntop.c noblock.c open.c system.c pgsleep.c pg_strong_random.c pgstrcasecmp.c pqsignal.c snprintf.c strerror.c strlcpy.c strnlen.c thread.c win32error.c win32setlocale.c
rm -f ip.c md5.c base64.c scram-common.c sha2.c sha2_openssl.c saslprep.c unicode_norm.c
rm -f encnames.c wchar.c
diff --git a/src/port/strnlen.c b/src/port/strnlen.c
new file mode 100644
index 00000000000..260b883368b
--- /dev/null
+++ b/src/port/strnlen.c
@@ -0,0 +1,33 @@
+/*-------------------------------------------------------------------------
+ *
+ * strnlen.c
+ * Fallback implementation of strnlen().
+ *
+ *
+ * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ * src/port/strnlen.c
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "c.h"
+
+/*
+ * Implementation of posix' strnlen for systems where it's not available.
+ *
+ * Returns the number of characters before a null-byte in the string pointed
+ * to by str, unless there's no null-byte before maxlen. In the latter case
+ * maxlen is returned.
+ */
+size_t
+strnlen(const char *str, size_t maxlen)
+{
+ const char *p = str;
+
+ while (maxlen-- > 0 && *p)
+ p++;
+ return p - str;
+}