Clear some -Wsign-compare warnings from gcc 7

mkfontscale.c: In function ‘getName’:
mkfontscale.c:336:22: warning: comparison between signed and unsigned
   integer expressions [-Wsign-compare]
         for(i = 0; i < name.string_len / 2; i++) {
                      ^
mkfontscale.c: In function ‘nameWidth’:
mkfontscale.c:427:18: warning: comparison between signed and unsigned
   integer expressions [-Wsign-compare]
     for(i = 0; i < NUMWIDTHS; i++)
                  ^
mkfontscale.c: In function ‘notice_foundry’:
mkfontscale.c:1261:18: warning: comparison between signed and unsigned
   integer expressions [-Wsign-compare]
     for(i = 0; i < countof(notice_foundries); i++)
                  ^
mkfontscale.c: In function ‘vendor_foundry’:
mkfontscale.c:1285:18: warning: comparison between signed and unsigned
   integer expressions [-Wsign-compare]
     for(i = 0; i < countof(vendor_foundries); i++)
                  ^

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

1 files changed, 6 insertions, 6 deletions

diff --git a/mkfontscale.c b/mkfontscale.c
index e5c038d..6423867 100644
--- a/mkfontscale.c
+++ b/mkfontscale.c
@@ -322,7 +322,7 @@ getName(FT_Face face, int nid)
 {
     FT_SfntName name;
     char *string;
-    int i;
+    unsigned int i;
 
     if(getNameHelper(face, nid,
                      TT_PLATFORM_MICROSOFT, TT_MS_ID_UNICODE_CS, &name) ||
@@ -416,8 +416,8 @@ static const char*
 nameWidth(const char *name)
 {
     char buf[500];
-    int i;
-    int n = strlen(name);
+    unsigned int i;
+    size_t n = strlen(name);
 
     if(n >= 499) return NULL;
     for(i = 0; i < n; i++)
@@ -1257,7 +1257,7 @@ checkExtraEncoding(FT_Face face, const char *encoding_name, int found)
 static const char*
 notice_foundry(const char *notice)
 {
-    int i;
+    unsigned int i;
     for(i = 0; i < countof(notice_foundries); i++)
         if(notice && strstr(notice, notice_foundries[i][0]))
             return notice_foundries[i][1];
@@ -1268,7 +1268,7 @@ static int
 vendor_match(const signed char *vendor, const char *vendor_string)
 {
     /* vendor is not necessarily NUL-terminated. */
-    int i, len;
+    size_t i, len;
     len = strlen(vendor_string);
     if(memcmp(vendor, vendor_string, len) != 0)
         return 0;
@@ -1281,7 +1281,7 @@ vendor_match(const signed char *vendor, const char *vendor_string)
 static const char*
 vendor_foundry(const signed char *vendor)
 {
-    int i;
+    unsigned int i;
     for(i = 0; i < countof(vendor_foundries); i++)
         if(vendor_match(vendor, vendor_foundries[i][0]))
             return vendor_foundries[i][1];