(DECODE_COMPOSITION_START): If the source is short, set

coding->result to CODING_RESULT_INSUFFICIENT_SRC.
(decode_coding_gap): Set CODING_MODE_LAST_BLOCK after the call of
detect_coding.

diff --git a/src/coding.c b/src/coding.c
index 9121d63..5d92b78 100644 (file)
--- a/src/coding.c
+++ b/src/coding.c
@@ -2808,8 +2808,10 @@ detect_coding_iso_2022 (coding, detect_info)
            break;                                                      \
        if (p == src_end - 1)                                           \
          {                                                             \
-           if (coding->mode & CODING_MODE_LAST_BLOCK)                  \
-             goto invalid_code;                                        \
+           /* The current composition doesn't end in the current       \
+              source.  */                                              \
+           record_conversion_result                                    \
+             (coding, CODING_RESULT_INSUFFICIENT_SRC);                 \
            goto no_more_source;                                        \
          }                                                             \
                                                                        \
@@ -6654,11 +6656,11 @@ decode_coding_gap (coding, chars, bytes)
   coding->dst_pos = PT;
   coding->dst_pos_byte = PT_BYTE;
   coding->dst_multibyte = ! NILP (current_buffer->enable_multibyte_characters);
-  coding->mode |= CODING_MODE_LAST_BLOCK;
 
   if (CODING_REQUIRE_DETECTION (coding))
     detect_coding (coding);
 
+  coding->mode |= CODING_MODE_LAST_BLOCK;
   decode_coding (coding);
 
   attrs = CODING_ID_ATTRS (coding->id);