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The internal header file "util/util.h" was removed from sss_utf8.h
as part of commit de5fa34860886ad68fba5e739987e16c342e8f14.
It was neccessary to ensure libipa_hbac can be build with C90
compatible compiler.
This header file includes many system header file and after
this change caused missing declaration of the function free()
src/util/sss_utf8.c: In function ‘sss_utf8_free’:
src/util/sss_utf8.c:40:12: error: implicit declaration of function ‘free’
[-Werror=implicit-function-declaration]
return free(ptr);
^~~~
src/util/sss_utf8.c:40:12: warning: incompatible implicit declaration
of built-in function ‘free’
src/util/sss_utf8.c:40:12: note: include ‘<stdlib.h>’ or provide
a declaration of ‘free’
cc1: some warnings being treated as errors
Reviewed-by: Fabiano Fidêncio <fidencio@redhat.com>
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libipa_hbac is also used by external projects such as pam_hbac:
https://github.com/jhrozek/pam_hbac
In order to make sure we don't use C99 features in the libipa_hbac code
in the future, this patch adds an explicit -std=c89 flag to CFLAGS.
Signed-off-by: Jakub Hrozek <jhrozek@redhat.com>
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
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We had in source code following pattern #elif HAVE_<name>
It worked because undefined identifier(in some cases) was evaluated to 0.
But we do not care about value of HAVE_SOMETHING. We just need to know
whether identifier was defined.
There is not equivalent to #ifdef (short for of #if definded)
We need to use long form: #elif defined HAVE_<name>
It causes also compiler warning with enabled compiler flag -Wundef.
Reviewed-by: Pavel Reichl <preichl@redhat.com>
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Header files from glib or unistring are only necessary in implementation module
sss_utf8.c
Reviewed-by: Pavel Reichl <preichl@redhat.com>
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