configure.ac: Lightly modernize.

[mLib] / codec / baseconv.c

diff --git a/codec/baseconv.c b/codec/baseconv.c
index bdb850f7d19ca53b2cbf4c9092e8fd7b6758852e..53fceb2818eb4039f83ec24659782d5c168da793 100644 (file)
--- a/codec/baseconv.c
+++ b/codec/baseconv.c
@@ -35,6 +35,7 @@
 #include "alloc.h"
 #include "codec.h"
 #include "dstr.h"
+#include "macros.h"
 #include "sub.h"
 
 #include "base64.h"
@@ -279,7 +280,7 @@ enum {
 
 #define PUTWRAP(x) WRAP({                                              \
   char ch = encodemap[x];                                              \
-  if (f & CDCF_LOWERC) ch = tolower((unsigned char)ch);                        \
+  if (f & CDCF_LOWERC) ch = TOLOWER(ch);                               \
   DPUTC(d, ch);                                                                \
 })
 
@@ -350,9 +351,9 @@ static int ctxn##_dodecode(ctxn##_ctx *ctx,                         \
        case 0:                                                         \
          break;                                                        \
        case CDCF_LOWERC:                                               \
-         if (isupper(ch)) goto badch;                                  \
+         if (ISUPPER(ch)) goto badch;                                  \
        default:                                                        \
-         ch = toupper(ch);                                             \
+         ch = TOUPPER(ch);                                             \
       }                                                                        \
       x = decodemap[ch];                                               \
       switch (x) {                                                     \
@@ -363,8 +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)) {                                   \
@@ -386,8 +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);                                                \