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common: Check option arguments for a valid range.

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* common/argparse.h (ARGPARSE_INVALID_ARG): New.
* common/argparse.c: Include limits h and errno.h.
(initialize): Add error strings for new error constant.
(set_opt_arg): Add range checking.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2014-10-29 17:07:51 +01:00
parent f5592fcff3
commit 0d73a242cb
2 changed files with 46 additions and 8 deletions
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common/argparse.h
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@ -190,6 +190,7 @@ typedef struct
#define ARGPARSE_AMBIGUOUS_COMMAND (-9)
#define ARGPARSE_INVALID_ALIAS (-10)
#define ARGPARSE_OUT_OF_CORE (-11)
#define ARGPARSE_INVALID_ARG (-12)
int arg_parse( ARGPARSE_ARGS *arg, ARGPARSE_OPTS *opts);