/usr/include/isl/arg.h is in libisl-dev-lts 0.11.1-2ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright 2008-2009 Katholieke Universiteit Leuven
*
* Use of this software is governed by the MIT license
*
* Written by Sven Verdoolaege, K.U.Leuven, Departement
* Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
*/
#ifndef ISL_ARG_H
#define ISL_ARG_H
#include <stddef.h>
#include <stdlib.h>
#if defined(__cplusplus)
extern "C" {
#endif
struct isl_arg_choice {
const char *name;
unsigned value;
};
struct isl_arg_flags {
const char *name;
unsigned mask;
unsigned value;
};
enum isl_arg_type {
isl_arg_end,
isl_arg_alias,
isl_arg_arg,
isl_arg_bool,
isl_arg_child,
isl_arg_choice,
isl_arg_flags,
isl_arg_footer,
isl_arg_int,
isl_arg_user,
isl_arg_long,
isl_arg_ulong,
isl_arg_str,
isl_arg_str_list,
isl_arg_version
};
struct isl_args;
struct isl_arg {
enum isl_arg_type type;
char short_name;
const char *long_name;
const char *argument_name;
size_t offset;
const char *help_msg;
#define ISL_ARG_SINGLE_DASH (1 << 0)
#define ISL_ARG_BOOL_ARG (1 << 1)
#define ISL_ARG_HIDDEN (1 << 2)
unsigned flags;
union {
struct {
struct isl_arg_choice *choice;
unsigned default_value;
unsigned default_selected;
int (*set)(void *opt, unsigned val);
} choice;
struct {
struct isl_arg_flags *flags;
unsigned default_value;
} flags;
struct {
unsigned default_value;
int (*set)(void *opt, unsigned val);
} b;
struct {
int default_value;
} i;
struct {
long default_value;
long default_selected;
int (*set)(void *opt, long val);
} l;
struct {
unsigned long default_value;
} ul;
struct {
const char *default_value;
} str;
struct {
size_t offset_n;
} str_list;
struct {
struct isl_args *child;
} child;
struct {
void (*print_version)(void);
} version;
struct {
int (*init)(void*);
void (*clear)(void*);
} user;
} u;
};
struct isl_args {
size_t options_size;
struct isl_arg *args;
};
#define ISL_ARGS_START(s,name) \
struct isl_arg name ## LIST[]; \
struct isl_args name = { sizeof(s), name ## LIST }; \
struct isl_arg name ## LIST[] = {
#define ISL_ARGS_END \
{ isl_arg_end } };
#define ISL_ARG_ALIAS(l) { \
.type = isl_arg_alias, \
.long_name = l, \
},
#define ISL_ARG_ARG(st,f,a,d) { \
.type = isl_arg_arg, \
.argument_name = a, \
.offset = offsetof(st, f), \
.u = { .str = { .default_value = d } } \
},
#define ISL_ARG_FOOTER(h) { \
.type = isl_arg_footer, \
.help_msg = h, \
},
#define ISL_ARG_CHOICE(st,f,s,l,c,d,h) { \
.type = isl_arg_choice, \
.short_name = s, \
.long_name = l, \
.offset = offsetof(st, f), \
.help_msg = h, \
.u = { .choice = { .choice = c, .default_value = d, \
.default_selected = d, .set = NULL } } \
},
#define ISL_ARG_OPT_CHOICE(st,f,s,l,c,d,ds,h) { \
.type = isl_arg_choice, \
.short_name = s, \
.long_name = l, \
.offset = offsetof(st, f), \
.help_msg = h, \
.u = { .choice = { .choice = c, .default_value = d, \
.default_selected = ds, .set = NULL } } \
},
#define ISL_ARG_USER_OPT_CHOICE(st,f,s,l,c,setter,d,ds,h) { \
.type = isl_arg_choice, \
.short_name = s, \
.long_name = l, \
.offset = offsetof(st, f), \
.help_msg = h, \
.u = { .choice = { .choice = c, .default_value = d, \
.default_selected = ds, .set = setter } } \
},
#define _ISL_ARG_BOOL_F(o,s,l,setter,d,h,fl) { \
.type = isl_arg_bool, \
.short_name = s, \
.long_name = l, \
.offset = o, \
.help_msg = h, \
.flags = fl, \
.u = { .b = { .default_value = d, .set = setter } } \
},
#define ISL_ARG_BOOL_F(st,f,s,l,d,h,fl) \
_ISL_ARG_BOOL_F(offsetof(st, f),s,l,NULL,d,h,fl)
#define ISL_ARG_BOOL(st,f,s,l,d,h) \
ISL_ARG_BOOL_F(st,f,s,l,d,h,0)
#define ISL_ARG_PHANTOM_BOOL_F(s,l,setter,h,fl) \
_ISL_ARG_BOOL_F(-1,s,l,setter,0,h,fl)
#define ISL_ARG_PHANTOM_BOOL(s,l,setter,h) \
ISL_ARG_PHANTOM_BOOL_F(s,l,setter,h,0)
#define ISL_ARG_INT_F(st,f,s,l,a,d,h,fl) { \
.type = isl_arg_int, \
.short_name = s, \
.long_name = l, \
.argument_name = a, \
.offset = offsetof(st, f), \
.help_msg = h, \
.flags = fl, \
.u = { .ul = { .default_value = d } } \
},
#define ISL_ARG_INT(st,f,s,l,a,d,h) \
ISL_ARG_INT_F(st,f,s,l,a,d,h,0)
#define ISL_ARG_LONG(st,f,s,lo,d,h) { \
.type = isl_arg_long, \
.short_name = s, \
.long_name = lo, \
.offset = offsetof(st, f), \
.help_msg = h, \
.u = { .l = { .default_value = d, .default_selected = d, \
.set = NULL } } \
},
#define ISL_ARG_USER_LONG(st,f,s,lo,setter,d,h) { \
.type = isl_arg_long, \
.short_name = s, \
.long_name = lo, \
.offset = offsetof(st, f), \
.help_msg = h, \
.u = { .l = { .default_value = d, .default_selected = d, \
.set = setter } } \
},
#define ISL_ARG_OPT_LONG(st,f,s,lo,d,ds,h) { \
.type = isl_arg_long, \
.short_name = s, \
.long_name = lo, \
.offset = offsetof(st, f), \
.help_msg = h, \
.u = { .l = { .default_value = d, .default_selected = ds, \
.set = NULL } } \
},
#define ISL_ARG_ULONG(st,f,s,l,d,h) { \
.type = isl_arg_ulong, \
.short_name = s, \
.long_name = l, \
.offset = offsetof(st, f), \
.help_msg = h, \
.u = { .ul = { .default_value = d } } \
},
#define ISL_ARG_STR_F(st,f,s,l,a,d,h,fl) { \
.type = isl_arg_str, \
.short_name = s, \
.long_name = l, \
.argument_name = a, \
.offset = offsetof(st, f), \
.help_msg = h, \
.flags = fl, \
.u = { .str = { .default_value = d } } \
},
#define ISL_ARG_STR(st,f,s,l,a,d,h) \
ISL_ARG_STR_F(st,f,s,l,a,d,h,0)
#define ISL_ARG_STR_LIST(st,f_n,f_l,s,l,a,h) { \
.type = isl_arg_str_list, \
.short_name = s, \
.long_name = l, \
.argument_name = a, \
.offset = offsetof(st, f_l), \
.help_msg = h, \
.u = { .str_list = { .offset_n = offsetof(st, f_n) } } \
},
#define _ISL_ARG_CHILD(o,l,c,h,fl) { \
.type = isl_arg_child, \
.long_name = l, \
.offset = o, \
.help_msg = h, \
.flags = fl, \
.u = { .child = { .child = c } } \
},
#define ISL_ARG_CHILD(st,f,l,c,h) \
_ISL_ARG_CHILD(offsetof(st, f),l,c,h,0)
#define ISL_ARG_GROUP_F(c,h,fl) \
_ISL_ARG_CHILD(-1,NULL,c,h,fl)
#define ISL_ARG_GROUP(c,h) \
ISL_ARG_GROUP_F(c,h,0)
#define ISL_ARG_FLAGS(st,f,s,l,c,d,h) { \
.type = isl_arg_flags, \
.short_name = s, \
.long_name = l, \
.offset = offsetof(st, f), \
.help_msg = h, \
.u = { .flags = { .flags = c, .default_value = d } } \
},
#define ISL_ARG_USER(st,f,i,c) { \
.type = isl_arg_user, \
.offset = offsetof(st, f), \
.u = { .user = { .init = i, .clear = c} } \
},
#define ISL_ARG_VERSION(print) { \
.type = isl_arg_version, \
.u = { .version = { .print_version = print } } \
},
#define ISL_ARG_ALL (1 << 0)
#define ISL_ARG_SKIP_HELP (1 << 1)
void isl_args_set_defaults(struct isl_args *args, void *opt);
void isl_args_free(struct isl_args *args, void *opt);
int isl_args_parse(struct isl_args *args, int argc, char **argv, void *opt,
unsigned flags);
#define ISL_ARG_DECL(prefix,st,args) \
extern struct isl_args args; \
st *prefix ## _new_with_defaults(void); \
void prefix ## _free(st *opt); \
int prefix ## _parse(st *opt, int argc, char **argv, unsigned flags);
#define ISL_ARG_DEF(prefix,st,args) \
st *prefix ## _new_with_defaults() \
{ \
st *opt = (st *)calloc(1, sizeof(st)); \
if (opt) \
isl_args_set_defaults(&(args), opt); \
return opt; \
} \
\
void prefix ## _free(st *opt) \
{ \
isl_args_free(&(args), opt); \
} \
\
int prefix ## _parse(st *opt, int argc, char **argv, unsigned flags) \
{ \
return isl_args_parse(&(args), argc, argv, opt, flags); \
}
#if defined(__cplusplus)
}
#endif
#endif
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