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authorStefan Liebler <stli@linux.vnet.ibm.com>2015-08-26 10:26:26 +0200
committerAndreas Krebbel <krebbel@linux.vnet.ibm.com>2015-08-26 10:26:26 +0200
commit808d70228891ab4d4795ab3dd1e015bf63ba18d6 (patch)
tree3d3222d3e9e23e93d5925d05d55749071384ebdc /sysdeps
parent1efad39b227c0d3cd0641cae70c7e95c8ca290a6 (diff)
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S390: Fix build error with gcc6 in utf8_utf16-z9.c.
This patch fixes the build error with gcc6:
array subscript is above array bounds [-Werror=array-bounds]

While including loop.c to construct the SINGLE(LOOPFCT) method
for converting from UTF-16 to UTF-8, the bytebuf array with length
MAX_NEEDED_INPUT is used as inptr. MAX_NEEDED_INPUT defaults to
MIN_NEEDED_INPUT if not defined before including loop.c.
Thus bytebuf has a length of 2.
This patch defines MAX_NEEDED_INPUT to MAX_NEEDED_TO, which is 4.

ChangeLog:

	* sysdeps/s390/s390-64/utf8-utf16-z9.c
	(MAX_NEEDED_INPUT): New define.
	(MAX_NEEDED_OUTPUT): New define.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/s390/s390-64/utf8-utf16-z9.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/s390/s390-64/utf8-utf16-z9.c b/sysdeps/s390/s390-64/utf8-utf16-z9.c
index 1425cb116a..6712c1c6fa 100644
--- a/sysdeps/s390/s390-64/utf8-utf16-z9.c
+++ b/sysdeps/s390/s390-64/utf8-utf16-z9.c
@@ -183,6 +183,7 @@ gconv_end (struct __gconv_step *data)
 #define MIN_NEEDED_INPUT	MIN_NEEDED_FROM
 #define MAX_NEEDED_INPUT	MAX_NEEDED_FROM
 #define MIN_NEEDED_OUTPUT	MIN_NEEDED_TO
+#define MAX_NEEDED_OUTPUT	MAX_NEEDED_TO
 #define LOOPFCT			FROM_LOOP
 /* The software implementation is based on the code in gconv_simple.c.  */
 #define BODY								\
@@ -340,6 +341,7 @@ gconv_end (struct __gconv_step *data)
 /* Conversion from UTF-16 to UTF-8.  */
 
 #define MIN_NEEDED_INPUT	MIN_NEEDED_TO
+#define MAX_NEEDED_INPUT	MAX_NEEDED_TO
 #define MIN_NEEDED_OUTPUT	MIN_NEEDED_FROM
 #define MAX_NEEDED_OUTPUT	MAX_NEEDED_FROM
 #define LOOPFCT			TO_LOOP