tlibdraw, acme: fix acme segfault triggered passing an invalid font - plan9port - [fork] Plan 9 from user space
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       ---
   DIR commit 25822e8da338df2c15959bd8d347f230dc2b2d89
   DIR parent 3aca22118d808597bc7451adc559d89460ed5a6e
  HTML Author: Gleydson Soares <gsoares@gmail.com>
       Date:   Sat, 21 Mar 2015 00:24:09 -0300
       
       libdraw, acme: fix acme segfault triggered passing an invalid font
       
       acme -f nosuchfont
       
       Change-Id: Iaa727db02b43e63082130796ec97c0efb7fe2b19
       Reviewed-on: https://plan9port-review.googlesource.com/1220
       Reviewed-by: Russ Cox <rsc@swtch.com>
       
       Diffstat:
         M src/libdraw/openfont.c              |       2 ++
       
       1 file changed, 2 insertions(+), 0 deletions(-)
       ---
   DIR diff --git a/src/libdraw/openfont.c b/src/libdraw/openfont.c
       t@@ -221,6 +221,8 @@ openfont(Display *d, char *name)
                        *p = '\0';
        
                f = openfont1(d, name);
       +        if(!f)
       +                return nil;
                f->lodpi = f;
                f->namespec = namespec;