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ziomon: silence unaligned pointer value warnings

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The build produces a number of warnings like the ones below. The
unaligned pointers are expected, thus silence the warnings by disabling
the compiler diagnostics.

ziomon_dacc.c: In function ‘read_message’:
ziomon_dacc.c:189:44: warning: taking address of packed member of ‘struct message’ may result in an unaligned pointer value [-Waddress-of-packed-member]
  189 |         if ( (rc = read_message_header(fp, &msg->length, &msg->type)) )
      |                                            ^~~~~~~~~~~~

or

In file included from ziomon_mgr.c:36:
blkiomon.h: In function ‘blkiomon_stat_init’:
blkiomon.h:70:21: warning: taking address of packed member of ‘struct blkiomon_stat’ may result in an unaligned pointer value [-Waddress-of-packed-member]
   70 |         minmax_init(&bstat->size_r);
      |                     ^~~~~~~~~~~~~~

GitHub-ID: https://github.com/ibm-s390-linux/s390-tools/pull/137
Signed-off-by: Dan Horák <dan@danny.cz>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Dan Horák
2022-06-06 08:09:52 +00:00
committed by Jan Höppner
parent 2285b9527b
commit 53c523ab19
1 changed files with 2 additions and 2 deletions
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4
ziomon/Makefile
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@@ -1,8 +1,8 @@
include ../common.mak
ALL_CPPFLAGS += -DNDEBUG
ALL_CFLAGS += -Wundef -Wstrict-prototypes -Wno-trigraphs
ALL_CXXFLAGS += -Wundef -Wno-trigraphs
ALL_CFLAGS += -Wundef -Wstrict-prototypes -Wno-trigraphs -Wno-address-of-packed-member
ALL_CXXFLAGS += -Wundef -Wno-trigraphs -Wno-address-of-packed-member
TARGETS = ziomon_util ziomon_mgr ziomon_zfcpdd ziorep_utilization ziorep_traffic
all: $(TARGETS)