Issue #1893

yatsukhnenko · michael-grunder · commit 89a871e242c1 · 2021-10-05T14:29:41.000-07:00
On some locales `snprintf` uses comma as radix character.
Simply replace comma with point to make valid float value.
diff --git a/library.c b/library.c
@@ -951,12 +951,15 @@ int redis_cmd_append_sstr_i64(smart_string *str, int64_t append) {
 int
 redis_cmd_append_sstr_dbl(smart_string *str, double value)
 {
-    char tmp[64];
+    char tmp[64], *p;
     int len;
 
     /* Convert to string */
     len = snprintf(tmp, sizeof(tmp), "%.17g", value);
 
+    /* snprintf depends on locale, replace comma with point */
+    if ((p = strchr(tmp, ',')) != NULL) *p = '.';
+
     // Append the string
     return redis_cmd_append_sstr(str, tmp, len);
 }
