Make sprintf-class functions comply with standard.

Change-Id: I6a04179bb2c339668450bcbcf608ebef477c5bfe
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/6399
Tested-by: Jenkins Server
Reviewed-by: Brian H. Horton <brianh@linux.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/src/lib/ctype.C b/src/lib/ctype.C
index 8ae144a5d..e937102bf 100644
--- a/src/lib/ctype.C
+++ b/src/lib/ctype.C
@@ -31,3 +31,49 @@ int toupper(int ch)
     return ch;
 }
 
+int isdigit(int c)
+{
+    return ((c >= '0') && (c <= '9'));
+}
+
+int islower(int c)
+{
+    return ((c >= 'a') && (c <= 'z'));
+}
+
+int isupper(int c)
+{
+    return ((c >= 'A') && (c <= 'Z'));
+}
+
+int isalpha(int c)
+{
+    return islower(c) || isupper(c);
+}
+
+int isalnum(int c)
+{
+    return isdigit(c) || isalpha(c);
+}
+
+int ispunct(int c)
+{
+    // Look at an ASCII table...
+    return ((c >= '!') && (c <= '/')) ||
+           ((c >= ':') && (c <= '@')) ||
+           ((c >= '[') && (c <= '`')) ||
+           ((c >= '{') && (c <= '~'));
+}
+
+int isspace(int c)
+{
+    // There are other space characters, like tabs, but I don't think we
+    // need to support them.
+    return (c == ' ');
+}
+
+int isprint(int c)
+{
+    return isalnum(c) || ispunct(c) || isspace(c);
+}
+