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libctf: avoid strndup

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Not all platforms have it.  Use libiberty xstrndup() instead.

(The include of libiberty.h happens in an unusual place due to the
requirements of synchronization of most source files between this
project and another that does not use libiberty.  It serves to pull
libiberty.h in for all source files in libctf/, which does the trick.)

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

libctf/
	* ctf-decls.h: Include <libiberty.h>.
	* ctf-lookup.c (ctf_lookup_by_name): Call xstrndup(), not strndup().
This commit is contained in:
Nick Alcock 2019-06-06 14:10:08 +01:00
parent 595a4d439b
commit 942d35f72b
3 changed files with 7 additions and 1 deletions
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5
libctf/ChangeLog
View File

@ -1,3 +1,8 @@
2019-06-06 Nick Alcock <nick.alcock@oracle.com>
* ctf-decls.h: Include <libiberty.h>.
* ctf-lookup.c (ctf_lookup_by_name): Call xstrndup(), not strndup().
2019-06-06 Nick Alcock <nick.alcock@oracle.com>
* ctf-dump.c (ctf_dump_format_type): Cast size_t's used in printf()s.

1
libctf/ctf-decls.h
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@ -24,6 +24,7 @@
#include <stddef.h>
#include <stdlib.h>
#include "libiberty.h"
#if HAVE_QSORT_R_ARG_LAST
static inline void

2
libctf/ctf-lookup.c
View File

@ -153,7 +153,7 @@ ctf_lookup_by_name (ctf_file_t *fp, const char *name)
else
{
free (fp->ctf_tmp_typeslice);
fp->ctf_tmp_typeslice = strndup (p, (size_t) (q - p));
fp->ctf_tmp_typeslice = xstrndup (p, (size_t) (q - p));
if (fp->ctf_tmp_typeslice == NULL)
{
(void) ctf_set_errno (fp, ENOMEM);