[groff] 13/17: [grops,libgroff]: Fix code style nits.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 080141020ca47dc04cde31aadcc8e6e34c899ef4
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Sat Feb 17 18:12:21 2024 -0600

    [grops,libgroff]: Fix code style nits.
    
    Annotate null pointers with `nullptr` comment to ease any future
    transition to C++11, which defines it as a keyword.  Kill off trailing
    whitespace.
---
 src/devices/grops/psrm.cpp   | 3 ++-
 src/libs/libgroff/string.cpp | 6 +++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/devices/grops/psrm.cpp b/src/devices/grops/psrm.cpp
index f7ba771c6..379ed9b6f 100644
--- a/src/devices/grops/psrm.cpp
+++ b/src/devices/grops/psrm.cpp
@@ -138,7 +138,8 @@ struct resource {
 };
 
 resource::resource(resource_type t, string &n, string &v, unsigned r)
-: next(0), type(t), flags(0), revision(r), filename(0), rank(-1)
+: next(0 /* nullptr */), type(t), flags(0), revision(r),
+  filename(0 /* nullptr */), rank(-1)
 {
   name.move(n);
   version.move(v);
diff --git a/src/libs/libgroff/string.cpp b/src/libs/libgroff/string.cpp
index a939b24d6..0633db526 100644
--- a/src/libs/libgroff/string.cpp
+++ b/src/libs/libgroff/string.cpp
@@ -95,9 +95,9 @@ string::string(const char *p, int n) : len(n)
 
 string::string(const char *p)
 {
-  if (p == 0) {
+  if (p == 0 /* nullptr */) {
     len = 0;
-    ptr = 0;
+    ptr = 0 /* nullptr */;
     sz = 0;
   }
   else {
@@ -120,7 +120,7 @@ string::string(const string &s) : len(s.len)
   if (len != 0)
     memcpy(ptr, s.ptr, len);
 }
-  
+
 string::~string()
 {
   sfree(ptr, sz);