Replace isdigit call with an internal implementation to avoid libc linkage on windows

FossilOrigin-Name: be4a3534b4cd6b43458ff2b19861c783e97d000b

2 files changed, 15 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index acce553..c1180d0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2007-09-19  Pat Thoyts  <patthoyts@users.sourceforge.net>
+	
+	* generic/tclStubLib.: Replaced isdigit with internal implementation.
+
 2007-09-18  Don Porter	<dgp@users.sourceforge.net>
 
 	* generic/tclStubLib.c:	Remove C library calls from Tcl_InitStubs()
diff --git a/generic/tclStubLib.c b/generic/tclStubLib.c
index 9fbd848..f674687 100644
--- a/generic/tclStubLib.c
+++ b/generic/tclStubLib.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclStubLib.c,v 1.17 2007/09/18 16:07:50 dgp Exp $
+ * RCS: @(#) $Id: tclStubLib.c,v 1.18 2007/09/19 10:53:25 patthoyts Exp $
  */
 
 /*
@@ -54,6 +54,15 @@ HasStubSupport(
 }
 
 /*
+ * Use our own isdigit to avoid linking to libc on windows
+ */
+
+static int isDigit(const int c)
+{
+    return (c >= '0' && c <= '9');
+}
+
+/*
  *----------------------------------------------------------------------
  *
  * Tcl_InitStubs --
@@ -104,7 +113,7 @@ Tcl_InitStubs(
 	int count = 0;
 
 	while (*p) {
-	    count += !isdigit(*p++);
+	    count += !isDigit(*p++);
 	}
 	if (count == 1) {
 	    CONST char *q = actualVersion;