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Aviod seg fault when no file

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rsc 2006-08-29 20:15:01 +00:00
parent c7c29d26b7
commit 21c4c72798
1 changed files with 4 additions and 1 deletions
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5
src/cmd/sam/shell.c
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@ -12,7 +12,10 @@ void
setname(File *f) setname(File *f)
{ {
char buf[1024]; char buf[1024];
snprint(buf, sizeof buf, "%.*S", f->name.n, f->name.s); if(f)
snprint(buf, sizeof buf, "%.*S", f->name.n, f->name.s);
else
buf[0] = 0;
putenv("samfile", buf); putenv("samfile", buf);
} }