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-rw-r--r--erts/lib_src/Makefile.in3
-rw-r--r--erts/lib_src/common/erl_printf.c8
-rw-r--r--erts/lib_src/common/erl_printf_format.c4
3 files changed, 7 insertions, 8 deletions
diff --git a/erts/lib_src/Makefile.in b/erts/lib_src/Makefile.in
index 601f3917a8..48660f7c71 100644
--- a/erts/lib_src/Makefile.in
+++ b/erts/lib_src/Makefile.in
@@ -334,7 +334,10 @@ ETHREAD_LIB=
endif
+ifneq ($(CREATE_DIRS),)
_create_dirs := $(shell mkdir -p $(CREATE_DIRS))
+endif
+
#
# Everything to build
#
diff --git a/erts/lib_src/common/erl_printf.c b/erts/lib_src/common/erl_printf.c
index 3b073bcd1b..1de0f81e84 100644
--- a/erts/lib_src/common/erl_printf.c
+++ b/erts/lib_src/common/erl_printf.c
@@ -63,7 +63,7 @@ void (*erts_printf_unblock_fpe)(int) = NULL;
#undef FWRITE
#undef PUTC_ON_SMALL_WRITES
-#if defined(USE_THREADS) && defined(HAVE_FLOCKFILE)
+#if defined(HAVE_FLOCKFILE)
# define FLOCKFILE(FP) flockfile(FP)
# define FUNLOCKFILE(FP) funlockfile(FP)
# ifdef HAVE_PUTC_UNLOCKED
@@ -73,11 +73,7 @@ void (*erts_printf_unblock_fpe)(int) = NULL;
# ifdef HAVE_FWRITE_UNLOCKED
# define FWRITE fwrite_unlocked
# endif
-#endif
-#if !defined(USE_THREADS) && defined(putc) && !defined(fwrite)
-# define PUTC_ON_SMALL_WRITES
-#endif
-#if !defined(FLOCKFILE) || !defined(FUNLOCKFILE)
+#else
# define FLOCKFILE(FP)
# define FUNLOCKFILE(FP)
#endif
diff --git a/erts/lib_src/common/erl_printf_format.c b/erts/lib_src/common/erl_printf_format.c
index 3daa066fd3..5a680d6f9d 100644
--- a/erts/lib_src/common/erl_printf_format.c
+++ b/erts/lib_src/common/erl_printf_format.c
@@ -326,12 +326,12 @@ static int fmt_double(fmtfn_t fn,void*arg,double val,
{
int res;
int fi = 0;
- char format_str[7];
+ char format_str[8];
char sbuf[32];
char *bufp = sbuf;
double dexp;
int exp;
- size_t max_size = 1;
+ size_t max_size = 2; /* including possible sign */
int size;
int new_fmt = fmt;
int fpe_was_unmasked;