Allow for lower-case "nan" to mean NaN in JSON.

FossilOrigin-Name: 6bee0a19e2efb6e39097fb22602556791d3d3962c50a1a0471c39a0c61db632e

1 files changed, 7 insertions, 8 deletions

diff --git a/src/json.c b/src/json.c
index 9808db6fe..acdc5a156 100644
--- a/src/json.c
+++ b/src/json.c
@@ -1271,14 +1271,6 @@ json_parse_restart:
     jsonParseAddNode(pParse, JSON_STRING | (jnFlags<<8), j+1-i, &z[i]);
     return j+1;
   }
-  case 'n': {
-    if( strncmp(z+i,"null",4)==0 && !sqlite3Isalnum(z[i+4]) ){
-      jsonParseAddNode(pParse, JSON_NULL, 0, 0);
-      return i+4;
-    }
-    pParse->iErr = i;
-    return -1;
-  }
   case 't': {
     if( strncmp(z+i,"true",4)==0 && !sqlite3Isalnum(z[i+4]) ){
       jsonParseAddNode(pParse, JSON_TRUE, 0, 0);
@@ -1479,6 +1471,13 @@ json_parse_restart:
     pParse->iErr = i;
     return -1;
   }
+  case 'n': {
+    if( strncmp(z+i,"null",4)==0 && !sqlite3Isalnum(z[i+4]) ){
+      jsonParseAddNode(pParse, JSON_NULL, 0, 0);
+      return i+4;
+    }
+    /* fall-through into the default case that checks for NaN */
+  }
   default: {
     u32 k;
     int nn;