Fix -Wsign-compare warnings

atom.c: In function ‘MakeAtom’:
atom.c:161:65: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if (hashTable[h]->hash == hash && hashTable[h]->len == len &&
                                                                 ^~
atom.c:172:69: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 if (hashTable[h]->hash == hash && hashTable[h]->len == len &&
                                                                     ^~
atom.c:207:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if (reverseMapSize <= a->atom) {
                        ^~
bitmap.c: In function ‘bitmapGetMetrics’:
bitmap.c:154:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int i = 0; i < *glyphCount; i++) {
                               ^

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

2 files changed, 7 insertions, 7 deletions

diff --git a/atom.c b/atom.c
index 4d2de11..11b4ac1 100644
--- a/atom.c
+++ b/atom.c
@@ -37,10 +37,10 @@ in this Software without prior written authorization from The Open Group.
 #include "stubs.h"
 
 typedef struct _AtomList {
-    char *name;
-    int	  len;
-    int   hash;
-    Atom  atom;
+    char        *name;
+    unsigned int len;
+    int          hash;
+    Atom         atom;
 } AtomListRec, *AtomListPtr;
 
 static AtomListPtr *hashTable;
@@ -50,7 +50,7 @@ static int hashMask;
 static int rehash;
 
 static AtomListPtr *reverseMap;
-static int reverseMapSize;
+static size_t reverseMapSize;
 static Atom lastAtom;
 
 static int
@@ -113,7 +113,7 @@ static int
 ResizeReverseMap(void)
 {
     AtomListPtr *newMap;
-    int newMapSize;
+    size_t newMapSize;
 
     if (reverseMapSize == 0)
         newMapSize = 1000;
diff --git a/bitmap.c b/bitmap.c
index 5073782..bd2f0a2 100644
--- a/bitmap.c
+++ b/bitmap.c
@@ -151,7 +151,7 @@ bitmapGetMetrics(FontPtr pFont, unsigned long count, unsigned char *chars,
             CharInfoPtr metrics = bitmapFont->metrics;
             xCharInfo *ink_metrics = bitmapFont->ink_metrics;
 
-            for (int i = 0; i < *glyphCount; i++) {
+            for (unsigned long i = 0; i < *glyphCount; i++) {
                 if (glyphs[i] != (xCharInfo *) & nonExistantChar)
                     glyphs[i] =
                         ink_metrics + (((CharInfoPtr) glyphs[i]) - metrics);