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authorbertrand <Bertrand.Guiheneuf@aful.org>2000-02-22 21:53:26 +0800
committerBertrand Guiheneuf <bertrand@src.gnome.org>2000-02-22 21:53:26 +0800
commit460d479d8b7f3b1ad42f7f00813cdca629e52018 (patch)
tree57b1a50f612e0f510909e7139399d7792bd40fe7 /camel/camel-stream-b64.c
parentf65a2d78c6cb123fd94b173aa4e877f22d314d4c (diff)
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don't read the char if we reached the length of the output buffer. Hours
2000-02-22 bertrand <Bertrand.Guiheneuf@aful.org> * camel-stream-b64.c (read_decode__static): don't read the char if we reached the length of the output buffer. Hours lost on this %$!@# bug : 3.5 svn path=/trunk/; revision=1903
Diffstat (limited to 'camel/camel-stream-b64.c')
-rw-r--r--camel/camel-stream-b64.c79
1 files changed, 42 insertions, 37 deletions
diff --git a/camel/camel-stream-b64.c b/camel/camel-stream-b64.c
index f2155a2c95..3b97b11aad 100644
--- a/camel/camel-stream-b64.c
+++ b/camel/camel-stream-b64.c
@@ -32,38 +32,38 @@
static CamelStreamClass *parent_class = NULL;
static guchar char_to_six_bits [256] = {
- 66, 66, 66, 66, 66, 66, 66, 66, /* 0 .. 7 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 8 .. 15 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 16 .. 23 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 24 .. 31 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 32 .. 39 */
- 66, 66, 66, 62, 66, 66, 66, 63, /* 40 .. 47 */
- 52, 53, 54, 55, 56, 57, 58, 59, /* 48 .. 55 */
- 60, 61, 66, 66, 66, 65, 66, 66, /* 56 .. 63 */
- 66, 0, 1, 2, 3, 4, 5, 6, /* 64 .. 71 */
- 7, 8, 9, 10, 11, 12, 13, 14, /* 72 .. 79 */
- 15, 16, 17, 18, 19, 20, 21, 22, /* 80 .. 87 */
- 23, 24, 25, 66, 66, 66, 66, 66, /* 88 .. 95 */
- 66, 26, 27, 28, 29, 30, 31, 32, /* 96 .. 103 */
- 33, 34, 35, 36, 37, 38, 39, 40, /* 104 .. 111 */
- 41, 42, 43, 44, 45, 46, 47, 48, /* 112 .. 119 */
- 49, 50, 51, 66, 66, 66, 66, 66, /* 120 .. 127 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 128 .. 135 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 136 .. 143 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 144 .. 151 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 152 .. 159 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 160 .. 167 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 168 .. 175 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 176 .. 183 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 184 .. 191 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 192 .. 199 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 200 .. 207 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 208 .. 215 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 216 .. 223 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 224 .. 231 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 232 .. 239 */
- 66, 66, 66, 66, 66, 66, 66, 66, /* 240 .. 247 */
- 66, 66, 66, 66, 66, 66, 66, 66 /* 248 .. 255 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 0 .. 7 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 8 .. 15 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 16 .. 23 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 24 .. 31 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 32 .. 39 */
+ 128, 128, 128, 62, 128, 128, 128, 63, /* 40 .. 47 */
+ 52, 53, 54, 55, 56, 57, 58, 59, /* 48 .. 55 */
+ 60, 61, 128, 128, 128, 64, 128, 128, /* 56 .. 63 */
+ 128, 0, 1, 2, 3, 4, 5, 6, /* 64 .. 71 */
+ 7, 8, 9, 10, 11, 12, 13, 14, /* 72 .. 79 */
+ 15, 16, 17, 18, 19, 20, 21, 22, /* 80 .. 87 */
+ 23, 24, 25, 128, 128, 128, 128, 128, /* 88 .. 95 */
+ 128, 26, 27, 28, 29, 30, 31, 32, /* 96 .. 103 */
+ 33, 34, 35, 36, 37, 38, 39, 40, /* 104 .. 111 */
+ 41, 42, 43, 44, 45, 46, 47, 48, /* 112 .. 119 */
+ 49, 50, 51, 128, 128, 128, 128, 128, /* 120 .. 127 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 128 .. 135 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 136 .. 143 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 144 .. 151 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 152 .. 159 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 160 .. 167 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 168 .. 175 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 176 .. 183 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 184 .. 191 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 192 .. 199 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 200 .. 207 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 208 .. 215 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 216 .. 223 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 224 .. 231 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 232 .. 239 */
+ 128, 128, 128, 128, 128, 128, 128, 128, /* 240 .. 247 */
+ 128, 128, 128, 128, 128, 128, 128, 128 /* 248 .. 255 */
};
@@ -253,17 +253,21 @@ static gint read_decode__static (CamelStream *stream,
/* if we encounter an '=' we can assume the end of the stream
has been found */
- if (six_bits_value == 65) {
+ if (six_bits_value == 64) {
stream_b64->eos = TRUE;
+ status->keep = 0;
+
break;
}
/* test if we must ignore the character */
- if (six_bits_value != 66) {
-
+ if (six_bits_value != 128) {
+ six_bits_value = six_bits_value & 0x3f;
+
switch (status->state % 4){
case 0:
status->keep = six_bits_value << 2;
+
break;
case 1:
buffer [j++] = status->keep | (six_bits_value >> 4);
@@ -275,14 +279,15 @@ static gint read_decode__static (CamelStream *stream,
break;
case 3:
buffer [j++] = status->keep | six_bits_value;
+ status->keep = 0;
break;
}
status->state = (status->state + 1) % 4;
+
}
-
- nb_read_in_input = camel_stream_read (input_stream, &c, 1);
+ if (j<n) nb_read_in_input = camel_stream_read (input_stream, &c, 1);
}