]> code.ossystems Code Review - openembedded-core.git/blob
2b5dad368ae95755f54e1e6bc634e9bd33ae067b
[openembedded-core.git] /
1 Upstream-Status: Backport
2
3 nm: Fix size passed to snprintf for invalid sh_name case.
4 native build failed as following on Fedora18:
5 nm.c: In function 'show_symbols_sysv':
6 nm.c:756:27: error: argument to 'sizeof' in 'snprintf' call is the same expression as the destination; did you mean to provide an explicit length? [-Werror=sizeof-pointer-memaccess]
7     snprintf (name, sizeof name, "[invalid sh_name %#" PRIx32 "]",
8                            ^
9
10 The original commit is http://git.fedorahosted.org/cgit/elfutils.git/commit/src/nm.c?id=57bd66cabf6e6b9ecf622cdbf350804897a8df58
11
12 Signed-off-by: Zhenhua Luo <zhenhua.luo@freescale.com>
13
14 --- elfutils-0.148/src/nm.c.org 2013-03-11 22:36:11.000000000 -0500
15 +++ elfutils-0.148/src/nm.c     2013-03-11 22:46:09.000000000 -0500
16 @@ -752,8 +752,9 @@
17                                gelf_getshdr (scn, &shdr_mem)->sh_name);
18        if (unlikely (name == NULL))
19         {
20 -         name = alloca (sizeof "[invalid sh_name 0x12345678]");
21 -         snprintf (name, sizeof name, "[invalid sh_name %#" PRIx32 "]",
22 +         const size_t bufsz = sizeof "[invalid sh_name 0x12345678]";
23 +         name = alloca (bufsz);
24 +         snprintf (name, bufsz, "[invalid sh_name %#" PRIx32 "]",
25                     gelf_getshdr (scn, &shdr_mem)->sh_name);
26         }
27        scnnames[elf_ndxscn (scn)] = name;