https://bugs.kde.org/show_bug.cgi?id=522012
Bug ID: 522012
Summary: memcheck reallocarray test no longer builds with musl
Classification: Developer tools
Product: valgrind
Version First 3.27 GIT
Reported In:
Platform: NixOS
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: memcheck
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 193550
--> https://bugs.kde.org/attachment.cgi?id=193550&action=edit
Patch to fix the issue
Per POSIX, fprintf comes from stdio.h. When building with musl, none of the
other included headers provide fprintf. This build regression was introduced
in 3.27 when this file started calling fprintf.
reallocarray.c: In function ‘main’:
reallocarray.c:16:4: error: implicit declaration of function ‘fprintf’
[-Wimplicit-function-declaration]
16 | fprintf(stderr, "Added leak check, expect 40 bytes still
reachable\n");
| ^~~~~~~
reallocarray.c:7:1: note: include ‘<stdio.h>’ or provide a declaration of
‘fprintf’
6 | #include "../../memcheck.h"
+++ |+#include <stdio.h>
7 |
reallocarray.c:16:4: warning: incompatible implicit declaration of built-in
function ‘fprintf’ [-Wbuiltin-declaration-mismatch]
16 | fprintf(stderr, "Added leak check, expect 40 bytes still
reachable\n");
| ^~~~~~~
reallocarray.c:16:4: note: include ‘<stdio.h>’ or provide a declaration of
‘fprintf’
reallocarray.c:16:12: error: ‘stderr’ undeclared (first use in this function)
16 | fprintf(stderr, "Added leak check, expect 40 bytes still
reachable\n");
| ^~~~~~
reallocarray.c:16:12: note: ‘stderr’ is defined in header ‘<stdio.h>’; this is
probably fixable by adding ‘#include <stdio.h>’
reallocarray.c:16:12: note: each undeclared identifier is reported only once
for each function it appears in
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