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rdflags.h
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rdflags.h
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/*
Copyright (c) 2015 Piotr Stolarz
dumpext: PE files fix, dump & analysis WinDbg extension
Distributed under the GNU General Public License (the License)
see accompanying file LICENSE for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
*/
#ifndef __RDFLAGS_H__
#define __RDFLAGS_H__
typedef struct _flag_desc_t
{
/* read_flags() input fields */
char c_flag; /* flag's char */
int allow_arg; /* if !=0 the flag may be provided with an arg */
/* read_flags() output fields */
struct {
unsigned int is_pres: 1; /* flag has been found */
unsigned int has_dups: 1; /* duplicated flags occurred */
unsigned int has_esc: 1; /* " or ' chars escaped inside 'pc_arg'
string */
};
size_t arg_len; /* flag's argument length */
char *pc_arg; /* points to flag's argument (if arg_len>0) */
} flag_desc_t;
/* Read flags from 'pc_in' and write under 'p_dsc' table (last element is zeroed).
Returns number of read chars from the input.
NOTES:
1. Unknown flags are ignored.
2. If a flag with an arg allowed, occurs more than once, the last occurrence
(and its arg) is taken into account. Duplicated flags existence is
indicated by 'has_dups' flag.
3. The " and ' chars may be escaped inside arg enclosed by them, but the
func doesn't replace them in 'pc_in' string. 'has_esc' flag is set to
indicate this case.
*/
size_t read_flags(const char *pc_in, flag_desc_t *p_fdsc);
#endif /* __RDFLAGS_H__ */