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rpmbase64.h
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1 /* base64 encoder/decoder based on public domain implementation
2 * by Chris Venter */
3
4 #include <sys/types.h>
5
6 #ifdef __cplusplus
7 extern "C" {
8 #endif
9
10 /* returns malloced base64 encoded string
11 * lines are split with \n characters to be nearest lower multiple of linelen
12 * if linelen/4 == 0 lines are not split
13 * if linelen < 0 default line length (64) is used
14 * the returned string is empty when len == 0
15 * returns NULL on failures
16 */
17 char *rpmBase64Encode(const void *data, size_t len, int linelen);
18
19 /* decodes from zero terminated base64 encoded string to a newly malloced buffer
20 * ignores whitespace characters in the input string
21 * return values:
22 * 0 - OK
23 * 1 - input is NULL
24 * 2 - invalid length
25 * 3 - invalid characters on input
26 * 4 - malloc failed
27 */
28 int rpmBase64Decode(const char *in, void **out, size_t *outlen);
29
30 /* counts CRC24 and base64 encodes it in a malloced string
31 * returns NULL on failures
32 */
33 char *rpmBase64CRC(const unsigned char *data, size_t len);
34
35 #ifdef __cplusplus
36 }
37 #endif