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#51 handle one block encode/decode for base32

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This commit is contained in:
Erik Ekman
2009-02-17 20:40:40 +00:00
committed by Erik Ekman
parent eed52b783f
commit 444299b86e
2 changed files with 49 additions and 3 deletions
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9
src/base32.c
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@@ -103,9 +103,12 @@ base32_encode(char *buf, size_t *buflen, const void *data, size_t size)
memset(buf, 0, *buflen);
/* how many chars can we encode within the buf */
maxsize = BLKSIZE_RAW * (*buflen / BLKSIZE_ENC - 1) - 1;
maxsize = BLKSIZE_RAW * (*buflen / BLKSIZE_ENC);
/* how big will the encoded data be */
newsize = BLKSIZE_ENC * (size / BLKSIZE_RAW + 1) + 1;
newsize = BLKSIZE_ENC * (size / BLKSIZE_RAW);
if (size % BLKSIZE_RAW) {
newsize += BLKSIZE_ENC;
}
/* if the buffer is too small, eat some of the data */
if (*buflen < newsize) {
size = maxsize;
@@ -132,7 +135,7 @@ base32_encode(char *buf, size_t *buflen, const void *data, size_t size)
/* store number of bytes from data that was used */
*buflen = size;
return strlen(buf) - 1;
return strlen(buf);
}
#define DECODE_ERROR 0xffffffff