snac2

commit 6d33117dbe062474c89a711d02f30e07e4bb1633
parent a63c9c24c1b3f6c46ff1bc7a3428e8f50b4b1318
Author: default <nobody@localhost>
Date:   Sun, 25 Sep 2022 22:40:09 +0200

Remove manually the leading zeros in _xs_json_dumps().

Diffstat:
M
xs_json.h
 | 
15
++++++++++++++-

1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/xs_json.h b/xs_json.h
@@ -93,7 +93,20 @@ d_char *_xs_json_dumps(d_char *s, char *data, int level, int indent)
     case XSTYPE_NUMBER:
         {
             char tmp[32];
-            snprintf(tmp, sizeof(tmp), "%g", xs_number_get(data));
+            snprintf(tmp, sizeof(tmp), "%.15f", xs_number_get(data));
+
+            /* strip useless zeros */
+            if (strchr(tmp, '.') != NULL) {
+                char *ptr;
+
+                for (ptr = tmp + strlen(tmp) - 1; *ptr == '0'; ptr--);
+
+                if (*ptr != '.')
+                    ptr++;
+
+                *ptr = '\0';
+            }
+
             s = xs_str_cat(s, tmp);
         }
         break;