per_support: add drop-in replacements of per_long_range_{rebase,unrebase}

skeletons/per_support.c

@@ -268,6 +268,14 @@ per_imax_range_rebase(intmax_t v, intmax_t lb, intmax_t ub, uintmax_t *output) {
     }
 }
 
+int
+per_long_range_rebase(long v, intmax_t lb, intmax_t ub, unsigned long *output) {
+    uintmax_t tmp = *output;
+    int rc = per_imax_range_rebase((intmax_t)v, lb, ub, &tmp);
+    *output = tmp;
+    return rc;
+}
+
 int
 per_imax_range_unrebase(uintmax_t inp, intmax_t lb, intmax_t ub, intmax_t *outp) {
     uintmax_t range;
@@ -294,6 +302,14 @@ per_imax_range_unrebase(uintmax_t inp, intmax_t lb, intmax_t ub, intmax_t *outp)
     return 0;
 }
 
+int
+per_long_range_unrebase(unsigned long inp, intmax_t lb, intmax_t ub, long *outp) {
+    intmax_t tmp = *outp;
+    int rc = per_imax_range_unrebase((uintmax_t)inp, lb, ub, &tmp);
+    *outp = tmp;
+    return rc;
+}
+
 int32_t
 aper_get_align(asn_per_data_t *pd) {
 

skeletons/per_support.h

@@ -81,8 +81,10 @@ typedef struct asn_bit_outp_s asn_per_outp_t;
  *  -1: Conversion failed due to range problems.
  *   0: Conversion was successful.
  */
+int per_long_range_rebase(long, intmax_t lb, intmax_t ub, unsigned long *output);
 int per_imax_range_rebase(intmax_t v, intmax_t lb, intmax_t ub, uintmax_t *output);
 /* The inverse operation: restores the value by the offset and its bounds. */
+int per_long_range_unrebase(unsigned long inp, intmax_t lb, intmax_t ub, long *outp);
 int per_imax_range_unrebase(uintmax_t inp, intmax_t lb, intmax_t ub, intmax_t *outp);
 
 /* X.691-2008/11, #11.5 */