diff options
Diffstat (limited to 'src/networking.c')
| -rw-r--r-- | src/networking.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/networking.c b/src/networking.c index 8e7c5ace1..054bca6a0 100644 --- a/src/networking.c +++ b/src/networking.c @@ -850,6 +850,15 @@ void addReplyDouble(client *c, double d) { addReplyProto(c, d > 0 ? ",inf\r\n" : ",-inf\r\n", d > 0 ? 6 : 7); } + } else if (isnan(d)) { + /* Libc in some systems will format nan in a different way, + * like nan, -nan, NAN, nan(char-sequence). + * So we normalize it and create a single nan form in an explicit way. */ + if (c->resp == 2) { + addReplyBulkCString(c, "nan"); + } else { + addReplyProto(c, ",nan\r\n", 6); + } } else { char dbuf[MAX_LONG_DOUBLE_CHARS+32]; int dlen = 0; @@ -864,7 +873,7 @@ void addReplyDouble(client *c, double d) { dbuf[start] = '$'; /* Convert `dlen` to string, putting it's digits after '$' and before the - * formatted double string. */ + * formatted double string. */ for(int i = digits, val = dlen; val && i > 0 ; --i, val /= 10) { dbuf[start + i] = "0123456789"[val % 10]; } |