Thanks for  the additional review !

Best regards, Matthias

From: Lindenmaier, Goetz
Sent: Freitag, 19. Juli 2019 09:33
To: Baesken, Matthias <matthias.baes...@sap.com>; Schmidt, Lutz 
<lutz.schm...@sap.com>; Doerr, Martin <martin.do...@sap.com>
Subject: RE: RFR : 8227737: avoid implicit-function-declaration on AIX

Hi Matthias,

This looks good, thanks for doing this.

Best regards,
  Goetz.


From: Langer, Christoph
Sent: Mittwoch, 17. Juli 2019 09:40
To: Baesken, Matthias 
<matthias.baes...@sap.com<mailto:matthias.baes...@sap.com>>; Java Core Libs 
<core-libs-...@openjdk.java.net<mailto:core-libs-...@openjdk.java.net>>; 
nio-...@openjdk.java.net<mailto:nio-...@openjdk.java.net>; 
net-dev@openjdk.java.net<mailto:net-dev@openjdk.java.net>; 
awt-...@openjdk.java.net<mailto:awt-...@openjdk.java.net>
Cc: 'ppc-aix-port-...@openjdk.java.net' 
<ppc-aix-port-...@openjdk.java.net<mailto:ppc-aix-port-...@openjdk.java.net>>
Subject: RE: RFR : 8227737: avoid implicit-function-declaration on AIX

Hi Matthias,

looks good, thanks for doing this.

How far are we then from enabling "warnings as errors" on AIX? :P

Best regards
Christoph

From: awt-dev 
<awt-dev-boun...@openjdk.java.net<mailto:awt-dev-boun...@openjdk.java.net>> On 
Behalf Of Baesken, Matthias
Sent: Dienstag, 16. Juli 2019 17:04
To: Java Core Libs 
<core-libs-...@openjdk.java.net<mailto:core-libs-...@openjdk.java.net>>; 
nio-...@openjdk.java.net<mailto:nio-...@openjdk.java.net>; 
net-dev@openjdk.java.net<mailto:net-dev@openjdk.java.net>; 
awt-...@openjdk.java.net<mailto:awt-...@openjdk.java.net>
Cc: 'ppc-aix-port-...@openjdk.java.net' 
<ppc-aix-port-...@openjdk.java.net<mailto:ppc-aix-port-...@openjdk.java.net>>
Subject: [CAUTION] <AWT Dev> RFR : 8227737: avoid implicit-function-declaration 
on AIX

Hello, please review the following  AIX related change .
It fixes a number of  missing inclusions  leading to  
implicit-function-declaration  warnings when compiling  with the recent xlc16 
/xlclang .


At various places in the native C coding in jdk, we miss header inclusions on 
AIX.
This leads to warnings like :

/nightly/jdk/src/java.base/unix/native/libjava/childproc.c:99:5: warning: 
implicitly declaring library function 'snprintf'
with type 'int (char *, unsigned long, const char *, ...)' 
[-Wimplicit-function-declaration]
    snprintf(aix_fd_dir, 32, "/proc/%d/fd", getpid());
    ^
/nightly/jdk/src/java.base/unix/native/libjava/childproc.c:99:5: note: include 
the header <stdio.h> or explicitly provide a declaration for 'snprintf'

or

/nightly/jdk/src/java.base/aix/native/libjli/java_md_aix.c:38:5: warning: 
implicitly declaring library function 'memset'
with type 'void *(void *, int, unsigned long)' [-Wimplicit-function-declaration]
    memset((void *)info, 0, sizeof(Dl_info));

/nightly/jdk/src/java.base/aix/native/libjli/java_md_aix.c:38:5: note: include 
the header <string.h> or explicitly provide a declaration for 'memset'



Bug/webrev :

https://bugs.openjdk.java.net/browse/JDK-8227737

http://cr.openjdk.java.net/~mbaesken/webrevs/8227737.0/


Thanks, Matthias

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