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GCC 7.1 fixes

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GCC 7.1 with will warn when we're not checking the snprintf()
return code in cases where the buffer could be truncated. This
patch either checks the snprintf return code (where applicable),
or simply disables the warnings (ztest.c).

Reviewed-by: Chunwei Chen <david.chen@osnexus.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #6253
This commit is contained in:
Tony Hutter
2017-06-28 10:05:16 -07:00
committed by Brian Behlendorf
parent cda0317e4d
commit 682ce104cd
9 changed files with 74 additions and 27 deletions
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cmd/ztest/Makefile.am
+3 -1
View File
@@ -1,6 +1,8 @@
include $(top_srcdir)/config/Rules.am
AM_CFLAGS += $(DEBUG_STACKFLAGS) $(FRAME_LARGER_THAN)
# -Wnoformat-truncation to get rid of compiler warning for unchecked
# truncating snprintfs on gcc 7.1.1.
AM_CFLAGS += $(DEBUG_STACKFLAGS) $(FRAME_LARGER_THAN) $(NO_FORMAT_TRUNCATION)
AM_CPPFLAGS += -DDEBUG
DEFAULT_INCLUDES += \