update yajl_gen_double to enforce that serialized double values always contain a decimal point, even if no digits follow the point. this prevents some readers from parsing such values as an integer.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/yajl_gen.c b/src/yajl_gen.c
index 8605982..2bb6ad2 100644
--- a/src/yajl_gen.c
+++ b/src/yajl_gen.c
@@ -222,6 +222,9 @@ yajl_gen_double(yajl_gen g, double number)
     if (isnan(number) || isinf(number)) return yajl_gen_invalid_number;
     INSERT_SEP; INSERT_WHITESPACE;
     sprintf(i, "%.20g", number);
+    if (strspn(i, "0123456789-") == strlen(i)) {
+        strcat(i, ".0");
+    }
     g->print(g->ctx, i, (unsigned int)strlen(i));
     APPENDED_ATOM;
     FINAL_NEWLINE;