2 files changed, 21 insertions, 1 deletions
diff --git a/stdio-common/tstscanf.c b/stdio-common/tstscanf.c
index dc02acc4a1..44ddf49e15 100644
--- a/stdio-common/tstscanf.c
+++ b/stdio-common/tstscanf.c
@@ -21,6 +21,7 @@
 #else
 #include <stdio.h>
 #endif
+#include <math.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -331,6 +332,25 @@ main (int argc, char **argv)
       }
   }
 
+  fputs ("Test 13:\n", stdout);
+  {
+    float value;
+    int res;
+
+    res = sscanf ("-InF", "%f", &value);
+    if (res != 1 || isinf (value) != -1)
+      {
+	fputs ("test failed!\n", stdout);
+	result = 1;
+      }
+
+    res = sscanf ("+InfiNiTY", "%f", &value);
+    if (res != 1 || isinf (value) != 1)
+      {
+	fputs ("test failed!\n", stdout);
+	result = 1;
+      }
+  }
 
   return result;
 }
diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c
index 9809ea33a8..aa0f091c06 100644
--- a/stdio-common/vfscanf.c
+++ b/stdio-common/vfscanf.c
@@ -1604,7 +1604,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr)
 	      if (width == 0 || inchar () == EOF)
 		/* EOF is only an input error before we read any chars.  */
 		conv_error ();
-	      if (! ISDIGIT (c))
+	      if (! ISDIGIT (c) && TOLOWER (c) != L_('i'))
 		{
 #ifdef COMPILE_WSCANF
 		  if (c != decimal)