[bug #61073] [groff]: SEGV with a single option as input

[Bjarni Ingi Gislason]

Follow-up Comment #7, bug #61073 (project groff):

  I have made these two changes in "font.cpp":


commit a593cf5cb0ee87cc1a12fb21d13c1b2b8ec4554c
Author: Bjarni Ingi Gislason <bjarniig@rhi.hi.is>
Date:   Fri Jul 2 06:51:10 2021 +0000

    src/libs/libgroff/font.cpp: added "path" to the output of "can't find
    'DESC' file"

diff --git a/src/libs/libgroff/font.cpp b/src/libs/libgroff/font.cpp
index df6df0b7..414678f9 100644
--- a/src/libs/libgroff/font.cpp
+++ b/src/libs/libgroff/font.cpp
@@ -1034,7 +1034,7 @@ int font::load_desc()
   FILE *fp;
   char *path;
   if ((fp = open_file("DESC", &path)) == 0) {
-    error("can't find 'DESC' file");
+    error("can't find 'DESC' file in path '%1'", path);
     return 0;
   }
   text_file t(fp, path);


commit 2ce4ba914e9a3d15c098a5db295149dec30e77fd
Author: Bjarni Ingi Gislason <bjarniig@rhi.hi.is>
Date:   Fri Aug 27 00:43:44 2021 +0000

    src/libs/libgroff/font.cpp: give '*path' the value 'NULL' to fix bug
#61073

diff --git a/src/libs/libgroff/font.cpp b/src/libs/libgroff/font.cpp
index 108e3d1f..c8053544 100644
--- a/src/libs/libgroff/font.cpp
+++ b/src/libs/libgroff/font.cpp
@@ -1036,7 +1036,7 @@ int font::load_desc()
 {
   int nfonts = 0;
   FILE *fp;
-  char *path;
+  char *path = NULL;
   if ((fp = open_file("DESC", &path)) == 0) {
     error("can't find 'DESC' file in path '%1'", path);
     return 0;


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