[hackers] [st] simplify (greedy) font caching allocating a bit || Hiltjo Posthuma

[git]

commit ed68fe7dce2b21b4e0e595b99d47790e76812cb7
Author:     Hiltjo Posthuma <hil...@codemadness.org>
AuthorDate: Sun Mar 3 11:29:43 2019 +0100
Commit:     Hiltjo Posthuma <hil...@codemadness.org>
CommitDate: Sun Mar 3 11:29:43 2019 +0100

    simplify (greedy) font caching allocating a bit
    
    POSIX says:
    "If ptr is a null pointer, realloc() shall be equivalent to malloc() for the
     specified size."

diff --git a/x.c b/x.c
index aa86b31..5828a3b 100644
--- a/x.c
+++ b/x.c
@@ -1243,15 +1243,10 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const 
Glyph *glyphs, int len, int x
                        fontpattern = FcFontSetMatch(0, fcsets, 1,
                                        fcpattern, &fcres);
 
-                       /*
-                        * Allocate memory for the new cache entry.
-                        */
+                       /* Allocate memory for the new cache entry. */
                        if (frclen >= frccap) {
                                frccap += 16;
-                               if (!frc)
-                                       frc = xmalloc(frccap * 
sizeof(Fontcache));
-                               else
-                                       frc = xrealloc(frc, frccap * 
sizeof(Fontcache));
+                               frc = xrealloc(frc, frccap * sizeof(Fontcache));
                        }
 
                        frc[frclen].font = XftFontOpenPattern(xw.dpy,