Changeset 2836 for trunk/kLdr/kLdrHlp.c

Timestamp:

Oct 26, 2006, 5:58:53 AM (19 years ago)

Author:

bird

Message:

more prototyping. (And avoid 64-bit div/rem)

File:

• trunk/kLdr/kLdrHlp.c (modified) (2 diffs)

trunk/kLdr/kLdrHlp.c

@@ -494 +494 @@
 
 
-/** Internal worker for kldrHlpAssertMsg. */
-static void int2dec(char *pszLine, unsigned iLine)
-{
-    do
-    {
-        *pszLine = (iLine % 10) + '0';
-        iLine /= 10;
-    } while (iLine);
-    *pszLine++ = '\0';
+/**
+ * Converts an signed integer to an ascii string.
+ *
+ * @returns psz.
+ * @param   psz         Pointer to the output buffer.
+ * @param   cch         The size of the output buffer.
+ * @param   lVal        The value.
+ * @param   iBase       The base to format it. (2,8,10 or 16)
+ */
+char *kldrHlpInt2Ascii(char *psz, size_t cch, long lVal, unsigned iBase)
+{
+    static const char s_szDigits[] = "0123456789abcdefghijklmnopqrstuvwxyz";
+    char *pszRet = psz;
+
+    if (cch >= (lVal < 0 ? 3U : 2U) && psz)
+    {
+        /* prefix */
+        if (lVal < 0)
+        {
+            *psz++ = '-';
+            cch--;
+            lVal = -lVal;
+        }
+
+        /* the digits */
+        do
+        {
+            *psz++ = s_szDigits[lVal % iBase];
+            cch--;
+            lVal /= iBase;
+        } while (lVal && cch > 1);
+
+        /* overflow indicator */
+        if (lVal)
+            psz[-1] = '+';
+    }
+    else if (!pszRet)
+        return pszRet;
+    else if (cch < 1 || !pszRet)
+        return pszRet;
+    else
+        *psz++ = '+';
+    *psz = '\0';
+
+    return pszRet;
 }
 
@@ -574 +610 @@
     kldrHlpAssertWrite(pszFile);
     kldrHlpAssertWrite("(");
-    int2dec(szLine, iLine);
-    kldrHlpAssertWrite(szLine);
+    kldrHlpAssertWrite(kldrHlpInt2Ascii(szLine, sizeof(szLine), iLine, 10));
     kldrHlpAssertWrite(") ");
     kldrHlpAssertWrite(pszFunction);