@@@ wip

[mLib] / codec / baseconv.c

diff --git a/codec/baseconv.c b/codec/baseconv.c
index b7cb0a0618ebe0a893c2721c336429a9eb8cdb88..53fceb2818eb4039f83ec24659782d5c168da793 100644 (file)
--- a/codec/baseconv.c
+++ b/codec/baseconv.c
@@ -364,8 +364,8 @@ static int ctxn##_dodecode(ctxn##_ctx *ctx,                         \
        case PC:                                                        \
          if (f & CDCF_IGNEQMID) break;                                 \
          if (f & CDCF_NOEQPAD) goto badch;                             \
-         if (st == ST_MAIN &&                                          \
-             !(f & CDCF_IGNZPAD) && (a & ((1 << nb) - 1)))             \
+         if (st == ST_MAIN && !(f & CDCF_IGNZPAD) &&                   \
+             ((nb && !(nb%wd)) || (a & ((1 << nb) - 1))))              \
            return (CDCERR_INVZPAD);                                    \
          st = ST_PAD;                                                  \
          if (!(f & CDCF_IGNEQPAD)) {                                   \
@@ -387,8 +387,8 @@ static int ctxn##_dodecode(ctxn##_ctx *ctx,                         \
       }                                                                        \
     }                                                                  \
   } else {                                                             \
-    if (st == ST_MAIN &&                                               \
-       !(f & CDCF_IGNZPAD) && (a & ((1 << nb) - 1)))                   \
+    if (st == ST_MAIN && !(f & CDCF_IGNZPAD) &&                                \
+       ((nb && !(nb%wd)) || (a & ((1 << nb) - 1))))                    \
       return (CDCERR_INVZPAD);                                         \
     if (!(f & (CDCF_IGNEQPAD | CDCF_IGNEQMID | CDCF_NOEQPAD)) && nb)   \
       return (CDCERR_INVEQPAD);                                                \