util: add git__isdigit()

98d6a1fd · nulltoken · cab65c2b · 98d6a1fd
Commit 98d6a1fd authored Jul 04, 2012 by nulltoken
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src/util.h
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--- a/src/util.h
+++ b/src/util.h
@@ -204,6 +204,11 @@ GIT_INLINE(bool) git__isalpha(int c)
    return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'));
 }

+GIT_INLINE(bool) git__isdigit(int c)
+{
+    return (c >= '0' && c <= '9');
+}
+
 GIT_INLINE(bool) git__isspace(int c)
 {
    return (c == ' ' || c == '\t' || c == '\n' || c == '\f' || c == '\r' || c == '\v');