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linux-user: Make target_strerror() return 'const char *'

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Make target_strerror() return 'const char *' rather than just 'char *';
this will allow us to return constant strings from it for some special
cases.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Peter Maydell
2016-06-08 12:06:57 +03:00
committed by Riku Voipio
parent 8efb2ed5ec
commit 7dcdaeafe0
3 changed files with 4 additions and 4 deletions
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linux-user/strace.c
+2 -2
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@@ -281,7 +281,7 @@ print_ipc(const struct syscallname *name,
static void
print_syscall_ret_addr(const struct syscallname *name, abi_long ret)
{
char *errstr = NULL;
const char *errstr = NULL;
if (ret < 0) {
errstr = target_strerror(-ret);
@@ -1594,7 +1594,7 @@ void
print_syscall_ret(int num, abi_long ret)
{
int i;
char *errstr = NULL;
const char *errstr = NULL;
for(i=0;i<nsyscalls;i++)
if( scnames[i].nr == num ) {