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common: New function hex2fixedbuf.

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* common/convert.c (hex2fixedbuf): New.
--

This function is useful for converting hex strings received via assuan
if they have a known length.  For example keygrips or the new UBID.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2019-10-01 10:32:31 +02:00
parent a605dbb430
commit 61765136cf
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GPG key ID: E3FDFF218E45B72B
3 changed files with 71 additions and 1 deletions
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common/util.h
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@ -206,6 +206,7 @@ char *bin2hexcolon (const void *buffer, size_t length, char *stringbuf);
const char *hex2str (const char *hexstring,
char *buffer, size_t bufsize, size_t *buflen);
char *hex2str_alloc (const char *hexstring, size_t *r_count);
unsigned int hex2fixedbuf (const char *hexstr, void *buffer, size_t bufsize);
/*-- percent.c --*/
char *percent_plus_escape (const char *string);