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* util.h (digitp, hexdigitp): New ctype like macros.

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(atoi_1,atoi_2,atoi_4,xtoi_1,xtoi_2): New.
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Werner Koch 2001-12-14 13:37:08 +00:00
parent b020999687
commit 317bccd134
2 changed files with 32 additions and 0 deletions
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17
common/ChangeLog Normal file
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@ -0,0 +1,17 @@
2001-12-14 Werner Koch <wk@gnupg.org>
* util.h (digitp, hexdigitp): New ctype like macros.
(atoi_1,atoi_2,atoi_4,xtoi_1,xtoi_2): New.
Copyright 2001 Free Software Foundation, Inc.
This file is free software; as a special exception the author gives
unlimited permission to copy and/or distribute it, with or without
modifications, as long as this notice is preserved.
This file is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

15
common/util.h
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@ -55,6 +55,21 @@ int map_kbx_err (int err);
int map_assuan_err (int err);
/* some macros to replace ctype ones and avoid locale problems */
#define digitp(p) (*(p) >= '0' && *(p) <= '9')
#define hexdigitp(a) (digitp (a) \
|| ((a) >= 'A' && (a) <= 'F') \
|| ((a) >= 'a' && (a) <= 'f'))
/* the atoi macros assume that the buffer has only valid digits */
#define atoi_1(p) (*(p) - '0' )
#define atoi_2(p) ((atoi_1(p) * 10) + atoi_1((p)+1))
#define atoi_4(p) ((atoi_2(p) * 100) + atoi_2((p)+2))
#define xtoi_1(p) (*(p) <= '9'? (*(p)- '0'): \
*(p) <= 'F'? (*(p)-'A'+10):(*(p)-'a'+10))
#define xtoi_2(p) ((xtoi_1(p) * 16) + xtoi_1((p)+1))
#endif /*GNUPG_COMMON_UTIL_H*/