o5r/plan9port
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

cache answer

Browse source
This commit is contained in:
rsc 2005-01-04 22:19:25 +00:00
parent a1d42887d6
commit 70723aae3c
1 changed files with 20 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

33
src/lib9/sysname.c
View file

@ -4,20 +4,27 @@
char* char*
sysname(void) sysname(void)
{ {
char buf[300], *p, *q; static char buf[512];
char *p, *q;
if((q = getenv("sysname")) == nil){ if(buf[0])
if(gethostname(buf, sizeof buf) < 0) return buf;
goto err;
buf[sizeof buf-1] = 0; if((q = getenv("sysname")) != nil && q[0] != 0){
q = strdup(buf); utfecpy(buf, buf+sizeof buf, q);
if(q == nil) free(q);
goto err; return buf;
} }
if((p = strchr(q, '.')) != nil) if(q)
*p = 0; free(q);
return q;
err: if(gethostname(buf, sizeof buf) >= 0){
return "gnot"; buf[sizeof buf-1] = 0;
if((p = strchr(buf, '.')) != nil)
*p = 0;
return buf;
}
strcpy(buf, "gnot");
return buf;
} }