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libctf: mark various args as unused in the !HAVE_MMAP case

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Tested on x86_64-pc-linux-gnu, x86_64-unknown-freebsd12.0,
sparc-sun-solaris2.11, i686-pc-cygwin, i686-w64-mingw32.

libctf/
	* ctf-archive.c (arc_mmap_header): Mark fd as potentially unused.
	* ctf-subr.c (ctf_data_protect): Mark both args as potentially unused.
This commit is contained in:
Nick Alcock 2019-06-06 13:59:28 +01:00
parent bec3a0c822
commit f5e73be11b
3 changed files with 7 additions and 2 deletions
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5
libctf/ChangeLog
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@ -1,3 +1,8 @@
2019-06-06 Nick Alcock <nick.alcock@oracle.com>
* ctf-archive.c (arc_mmap_header): Mark fd as potentially unused.
* ctf-subr.c (ctf_data_protect): Mark both args as potentially unused.
2019-06-05 Nick Alcock <nick.alcock@oracle.com>
* ctf-archive.c (ctf_arc_write): Eschew %zi format specifier.

2
libctf/ctf-archive.c
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@ -681,7 +681,7 @@ static int arc_mmap_unmap (void *header, size_t headersz, const char **errmsg)
}
#else
/* Map the header in. Only used on new, empty files. */
static void *arc_mmap_header (int fd, size_t headersz)
static void *arc_mmap_header (int fd _libctf_unused_, size_t headersz)
{
void *hdr;
if ((hdr = malloc (headersz)) == NULL)

2
libctf/ctf-subr.c
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@ -106,7 +106,7 @@ ctf_munmap (void *buf, size_t length _libctf_unused_)
}
void
ctf_data_protect (void *buf, size_t size)
ctf_data_protect (void *buf _libctf_unused_, size_t size _libctf_unused_)
{
#ifdef HAVE_MMAP
/* Must be the same as the check in ctf_data_alloc(). */