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utils: In Solaris, avoid a warning about an unused variable.

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When HAVE_GETHOSTBYNAME_R_5 was set by the script ./configure, GCC 7.3.0 found
an unused variable. Actually, the variable was used (set to a dummy value) but
the compiler optimization might have removed that. Instead, this change ensures
that the variable 'res' is only used when it is really required.

Change-Id: Ic3ea23ccf84ac4bc2d501b514985b989030abab5
This commit is contained in:
Alexander Traud
2018-03-07 16:32:05 +01:00
parent 91a8c7a281
commit 58f44f225a
1 changed files with 2 additions and 1 deletions
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3
main/utils.c
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@@ -189,7 +189,9 @@ static int gethostbyname_r (const char *name, struct hostent *ret, char *buf,
*/
struct hostent *ast_gethostbyname(const char *host, struct ast_hostent *hp)
{
#ifndef HAVE_GETHOSTBYNAME_R_5
int res;
#endif
int herrno;
int dots = 0;
const char *s;
@@ -199,7 +201,6 @@ struct hostent *ast_gethostbyname(const char *host, struct ast_hostent *hp)
integers, we break with tradition and refuse to look up a
pure integer */
s = host;
res = 0;
while (s && *s) {
if (*s == '.')
dots++;