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Merging upstream version 1.3.

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Signed-off-by: Daniel Baumann <daniel@debian.org>
This commit is contained in:
Daniel Baumann 2025-02-23 19:15:16 +01:00
parent b375923f9b
commit fa78de0b15
Signed by: daniel
GPG key ID: FBB4F0E80A80222F
13 changed files with 129 additions and 103 deletions
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85
carg_parser.h
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/* Pdlzip - A data compressor based on the LZMA algorithm
Copyright (C) 2010 Antonio Diaz Diaz.
This program is free software: you have unlimited permission
to copy, distribute and modify it.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
/* Arg_parser reads the arguments in `argv' and creates a number of
option codes, option arguments and non-option arguments.
In case of error, `ap_error' returns a non-null pointer to an error
message.
`options' is an array of `struct ap_Option' terminated by an element
containing a code which is zero. A null name means a short-only
option. A code value outside the unsigned char range means a
long-only option.
Arg_parser normally makes it appear as if all the option arguments
were specified before all the non-option arguments for the purposes
of parsing, even if the user of your program intermixed option and
non-option arguments. If you want the arguments in the exact order
the user typed them, call `ap_init' with `in_order' = true.
The argument `--' terminates all options; any following arguments are
treated as non-option arguments, even if they begin with a hyphen.
The syntax for optional option arguments is `-<short_option><argument>'
(without whitespace), or `--<long_option>=<argument>'.
*/
#ifdef __cplusplus
extern "C" {
#endif
enum ap_Has_arg { ap_no, ap_yes, ap_maybe };
struct ap_Option
{
int code; /* Short option letter or code ( code != 0 ) */
const char * name; /* Long option name (maybe null) */
enum ap_Has_arg has_arg;
};
struct ap_Record
{
int code;
char * argument;
};
struct Arg_parser
{
struct ap_Record * data;
char * error;
int data_size;
int error_size;
};
char ap_init( struct Arg_parser * const ap,
const int argc, const char * const argv[],
const struct ap_Option options[], const char in_order );
void ap_free( struct Arg_parser * const ap );
const char * ap_error( const struct Arg_parser * const ap );
/* The number of arguments parsed (may be different from argc) */
int ap_arguments( const struct Arg_parser * const ap );
/* If ap_code( i ) is 0, ap_argument( i ) is a non-option.
Else ap_argument( i ) is the option's argument (or empty). */
int ap_code( const struct Arg_parser * const ap, const int i );
const char * ap_argument( const struct Arg_parser * const ap, const int i );
#ifdef __cplusplus
}
#endif