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lib: added base64_decode_data_blob_talloc()

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its nice to be able to allocate on other than NULL

Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Andrew Tridgell 2011-09-07 15:28:42 +10:00
parent 1e9573fe4d
commit 6e25723c82
2 changed files with 19 additions and 2 deletions
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13
lib/util/base64.c
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@ -29,10 +29,10 @@ static const char b64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0
/**
* Decode a base64 string into a DATA_BLOB - simple and slow algorithm
**/
_PUBLIC_ DATA_BLOB base64_decode_data_blob(const char *s)
_PUBLIC_ DATA_BLOB base64_decode_data_blob_talloc(TALLOC_CTX *mem_ctx, const char *s)
{
int bit_offset, byte_offset, idx, i, n;
DATA_BLOB decoded = data_blob(s, strlen(s)+1);
DATA_BLOB decoded = data_blob_talloc(mem_ctx, s, strlen(s)+1);
unsigned char *d = decoded.data;
char *p;
@ -61,9 +61,18 @@ _PUBLIC_ DATA_BLOB base64_decode_data_blob(const char *s)
/* fix up length */
decoded.length = n;
decoded.data = talloc_realloc(mem_ctx, decoded.data, uint8_t, n);
return decoded;
}
/**
* Decode a base64 string into a DATA_BLOB - simple and slow algorithm
**/
_PUBLIC_ DATA_BLOB base64_decode_data_blob(const char *s)
{
return base64_decode_data_blob_talloc(NULL, s);
}
/**
* Decode a base64 string in-place - wrapper for the above
**/

8
lib/util/util.h
View File

@ -412,7 +412,15 @@ _PUBLIC_ void string_replace(char *s, char oldc, char newc);
/**
Base64 decode a string, place into a data blob. Caller to data_blob_free() the result.
**/
_PUBLIC_ DATA_BLOB base64_decode_data_blob_talloc(TALLOC_CTX *mem_ctx, const char *s);
/**
Base64 decode a string, place into a data blob on NULL context.
Caller to data_blob_free() the result.
**/
_PUBLIC_ DATA_BLOB base64_decode_data_blob(const char *s);
/**
Base64 decode a string, inplace
**/