cache answer
diff --git a/src/lib9/sysname.c b/src/lib9/sysname.c
index 775b609..2060b98 100644
--- a/src/lib9/sysname.c
+++ b/src/lib9/sysname.c
@@ -4,20 +4,27 @@
char*
sysname(void)
{
- char buf[300], *p, *q;
+ static char buf[512];
+ char *p, *q;
- if((q = getenv("sysname")) == nil){
- if(gethostname(buf, sizeof buf) < 0)
- goto err;
- buf[sizeof buf-1] = 0;
- q = strdup(buf);
- if(q == nil)
- goto err;
+ if(buf[0])
+ return buf;
+
+ if((q = getenv("sysname")) != nil && q[0] != 0){
+ utfecpy(buf, buf+sizeof buf, q);
+ free(q);
+ return buf;
}
- if((p = strchr(q, '.')) != nil)
- *p = 0;
- return q;
+ if(q)
+ free(q);
-err:
- return "gnot";
+ if(gethostname(buf, sizeof buf) >= 0){
+ buf[sizeof buf-1] = 0;
+ if((p = strchr(buf, '.')) != nil)
+ *p = 0;
+ return buf;
+ }
+
+ strcpy(buf, "gnot");
+ return buf;
}
