luc14n0/glib
1
0
Fork 0
mirror of https://gitlab.gnome.org/GNOME/glib.git synced 2025-05-17 03:01:58 +02:00
Code Issues Packages Projects Releases Wiki Activity

utils: Limit the scope of the variable max

Browse Source 
in g_get_host_name(), and avoid an unused-variable warning when
_SC_HOST_NAME_MAX is not defined.
This commit is contained in:
Peter Bloomfield 2020-09-22 16:14:21 -04:00
parent 298b712b27
commit e64293d56c
1 changed files with 10 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
glib/gutils.c
View File

@ -982,7 +982,6 @@ g_get_host_name (void)
gchar *utmp; gchar *utmp;
#ifndef G_OS_WIN32 #ifndef G_OS_WIN32
glong max;
gsize size; gsize size;
/* The number 256 * 256 is taken from the value of _POSIX_HOST_NAME_MAX, /* The number 256 * 256 is taken from the value of _POSIX_HOST_NAME_MAX,
* which is 255. Since we use _POSIX_HOST_NAME_MAX + 1 (= 256) in the * which is 255. Since we use _POSIX_HOST_NAME_MAX + 1 (= 256) in the
@ -994,15 +993,19 @@ g_get_host_name (void)
gchar *tmp; gchar *tmp;
#ifdef _SC_HOST_NAME_MAX #ifdef _SC_HOST_NAME_MAX
max = sysconf (_SC_HOST_NAME_MAX); {
if (max > 0 && (gsize) max <= G_MAXSIZE - 1) glong max;
size = (gsize) max + 1;
else max = sysconf (_SC_HOST_NAME_MAX);
if (max > 0 && (gsize) max <= G_MAXSIZE - 1)
size = (gsize) max + 1;
else
#ifdef HOST_NAME_MAX #ifdef HOST_NAME_MAX
size = HOST_NAME_MAX + 1; size = HOST_NAME_MAX + 1;
#else #else
size = _POSIX_HOST_NAME_MAX + 1; size = _POSIX_HOST_NAME_MAX + 1;
#endif /* HOST_NAME_MAX */ #endif /* HOST_NAME_MAX */
}
#else #else
/* Fallback to some reasonable value */ /* Fallback to some reasonable value */
size = 256; size = 256;