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options.c
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/* options.c - options package routines */
/* SimpleScalar(TM) Tool Suite
* Copyright (C) 1994-2001 by Todd M. Austin, Ph.D. and SimpleScalar, LLC.
* All Rights Reserved.
*
* THIS IS A LEGAL DOCUMENT, BY USING SIMPLESCALAR,
* YOU ARE AGREEING TO THESE TERMS AND CONDITIONS.
*
* No portion of this work may be used by any commercial entity, or for any
* commercial purpose, without the prior, written permission of SimpleScalar,
* LLC (info@simplescalar.com). Nonprofit and noncommercial use is permitted
* as described below.
*
* 1. SimpleScalar is provided AS IS, with no warranty of any kind, express
* or implied. The user of the program accepts full responsibility for the
* application of the program and the use of any results.
*
* 2. Nonprofit and noncommercial use is encouraged. SimpleScalar may be
* downloaded, compiled, executed, copied, and modified solely for nonprofit,
* educational, noncommercial research, and noncommercial scholarship
* purposes provided that this notice in its entirety accompanies all copies.
* Copies of the modified software can be delivered to persons who use it
* solely for nonprofit, educational, noncommercial research, and
* noncommercial scholarship purposes provided that this notice in its
* entirety accompanies all copies.
*
* 3. ALL COMMERCIAL USE, AND ALL USE BY FOR PROFIT ENTITIES, IS EXPRESSLY
* PROHIBITED WITHOUT A LICENSE FROM SIMPLESCALAR, LLC (info@simplescalar.com).
*
* 4. No nonprofit user may place any restrictions on the use of this software,
* including as modified by the user, by any other authorized user.
*
* 5. Noncommercial and nonprofit users may distribute copies of SimpleScalar
* in compiled or executable form as set forth in Section 2, provided that
* either: (A) it is accompanied by the corresponding machine-readable source
* code, or (B) it is accompanied by a written offer, with no time limit, to
* give anyone a machine-readable copy of the corresponding source code in
* return for reimbursement of the cost of distribution. This written offer
* must permit verbatim duplication by anyone, or (C) it is distributed by
* someone who received only the executable form, and is accompanied by a
* copy of the written offer of source code.
*
* 6. SimpleScalar was developed by Todd M. Austin, Ph.D. The tool suite is
* currently maintained by SimpleScalar LLC (info@simplescalar.com). US Mail:
* 2395 Timbercrest Court, Ann Arbor, MI 48105.
*
* Copyright (C) 2000-2001 by The Regents of The University of Michigan.
* Copyright (C) 1994-2001 by Todd M. Austin, Ph.D. and SimpleScalar, LLC.
*/
#include <stdio.h>
#include <stdlib.h>
#ifndef _MSC_VER
#include <unistd.h>
#else /* _MSC_VER */
#define chdir _chdir
#define getcwd _getcwd
#endif
#include <string.h>
#include <ctype.h>
#include <float.h>
#include "host.h"
#include "misc.h"
#include "options.h"
/* create a new option database */
struct opt_odb_t *
opt_new(orphan_fn_t orphan_fn) /* user-specified orphan parser */
{
struct opt_odb_t *odb;
odb = (struct opt_odb_t *)calloc(1, sizeof(struct opt_odb_t));
if (!odb)
fatal("out of virtual memory");
odb->options = NULL;
odb->orphan_fn = orphan_fn;
odb->header = NULL;
odb->notes = NULL;
return odb;
}
/* free an option database */
void
opt_delete(struct opt_odb_t *odb) /* option database */
{
struct opt_opt_t *opt, *opt_next;
struct opt_note_t *note, *note_next;
/* free all options */
for (opt=odb->options; opt; opt=opt_next)
{
opt_next = opt->next;
opt->next = NULL;
free(opt);
}
/* free all notes */
for (note = odb->notes; note != NULL; note = note_next)
{
note_next = note->next;
note->next = NULL;
free(note);
}
odb->notes = NULL;
free(odb);
}
/* add option OPT to option database ODB */
static void
add_option(struct opt_odb_t *odb, /* option database */
struct opt_opt_t *opt) /* option variable */
{
struct opt_opt_t *elt, *prev;
/* sanity checks on option name */
if (opt->name[0] != '-')
panic("option `%s' must start with a `-'", opt->name);
/* add to end of option list */
for (prev=NULL, elt=odb->options; elt != NULL; prev=elt, elt=elt->next)
{
/* sanity checks on option name */
if (elt->name[0] == opt->name[0] && !strcmp(elt->name, opt->name))
panic("option `%s' is multiply defined", opt->name);
}
if (prev != NULL)
prev->next = opt;
else /* prev == NULL */
odb->options = opt;
opt->next = NULL;
}
/* register an integer option variable */
void
opt_reg_int(struct opt_odb_t *odb, /* option data base */
char *name, /* option name */
char *desc, /* option description */
int *var, /* target variable */
int def_val, /* default variable value */
int print, /* print during `-dumpconfig'? */
char *format) /* optional value print format */
{
struct opt_opt_t *opt;
opt = (struct opt_opt_t *)calloc(1, sizeof(struct opt_opt_t));
if (!opt)
fatal("out of virtual memory");
opt->name = name;
opt->desc = desc;
opt->nvars = 1;
opt->nelt = NULL;
opt->format = format ? format : "%12d";
opt->oc = oc_int;
opt->variant.for_int.var = var;
opt->print = print;
opt->accrue = FALSE;
/* place on ODB's option list */
opt->next = NULL;
add_option(odb, opt);
/* set default value */
*var = def_val;
}
/* register an integer option list */
void
opt_reg_int_list(struct opt_odb_t *odb,/* option database */
char *name, /* option name */
char *desc, /* option description */
int *vars, /* pointer to option array */
int nvars, /* total entries in option array */
int *nelt, /* number of entries parsed */
int *def_val, /* default value of option array */
int print, /* print during `-dumpconfig'? */
char *format, /* optional user print format */
int accrue) /* accrue list across uses */
{
int i;
struct opt_opt_t *opt;
opt = (struct opt_opt_t *)calloc(1, sizeof(struct opt_opt_t));
if (!opt)
fatal("out of virtual memory");
opt->name = name;
opt->desc = desc;
opt->nvars = nvars;
opt->nelt = nelt;
opt->format = format ? format : "%d";
opt->oc = oc_int;
opt->variant.for_int.var = vars;
opt->print = print;
opt->accrue = accrue;
/* place on ODB's option list */
opt->next = NULL;
add_option(odb, opt);
/* set default value */
for (i=0; i < *nelt; i++)
vars[i] = def_val[i];
}
/* register an unsigned integer option variable */
void
opt_reg_uint(struct opt_odb_t *odb, /* option database */
char *name, /* option name */
char *desc, /* option description */
unsigned int *var, /* pointer to option variable */
unsigned int def_val, /* default value of option variable */
int print, /* print during `-dumpconfig'? */
char *format) /* optional user print format */
{
struct opt_opt_t *opt;
opt = (struct opt_opt_t *)calloc(1, sizeof(struct opt_opt_t));
if (!opt)
fatal("out of virtual memory");
opt->name = name;
opt->desc = desc;
opt->nvars = 1;
opt->nelt = NULL;
opt->format = format ? format : "%12u";
opt->oc = oc_uint;
opt->variant.for_uint.var = var;
opt->print = print;
opt->accrue = FALSE;
/* place on ODB's option list */
opt->next = NULL;
add_option(odb, opt);
/* set default value */
*var = def_val;
}
/* register an unsigned integer option list */
void
opt_reg_uint_list(struct opt_odb_t *odb,/* option database */
char *name, /* option name */
char *desc, /* option description */
unsigned int *vars, /* pointer to option array */
int nvars, /* total entries in option array */
int *nelt, /* number of elements parsed */
unsigned int *def_val,/* default value of option array */
int print, /* print opt during `-dumpconfig'? */
char *format, /* optional user print format */
int accrue) /* accrue list across uses */
{
int i;
struct opt_opt_t *opt;
opt = (struct opt_opt_t *)calloc(1, sizeof(struct opt_opt_t));
if (!opt)
fatal("out of virtual memory");
opt->name = name;
opt->desc = desc;
opt->nvars = nvars;
opt->nelt = nelt;
opt->format = format ? format : "%u";
opt->oc = oc_uint;
opt->variant.for_uint.var = vars;
opt->print = print;
opt->accrue = accrue;
/* place on ODB's option list */
opt->next = NULL;
add_option(odb, opt);
/* set default value */
for (i=0; i < *nelt; i++)
vars[i] = def_val[i];
}
/* register a single-precision floating point option variable */
void
opt_reg_float(struct opt_odb_t *odb, /* option data base */
char *name, /* option name */
char *desc, /* option description */
float *var, /* target option variable */
float def_val, /* default variable value */
int print, /* print during `-dumpconfig'? */
char *format) /* optional value print format */
{
struct opt_opt_t *opt;
opt = (struct opt_opt_t *)calloc(1, sizeof(struct opt_opt_t));
if (!opt)
fatal("out of virtual memory");
opt->name = name;
opt->desc = desc;
opt->nvars = 1;
opt->nelt = NULL;
opt->format = format ? format : "%12.4f";
opt->oc = oc_float;
opt->variant.for_float.var = var;
opt->print = print;
opt->accrue = FALSE;
/* place on ODB's option list */
opt->next = NULL;
add_option(odb, opt);
/* set default value */
*var = def_val;
}
/* register a single-precision floating point option array */
void
opt_reg_float_list(struct opt_odb_t *odb,/* option data base */
char *name, /* option name */
char *desc, /* option description */
float *vars, /* target array */
int nvars, /* target array size */
int *nelt, /* number of args parsed goes here */
float *def_val, /* default variable value */
int print, /* print during `-dumpconfig'? */
char *format, /* optional value print format */
int accrue) /* accrue list across uses */
{
int i;
struct opt_opt_t *opt;
opt = (struct opt_opt_t *)calloc(1, sizeof(struct opt_opt_t));
if (!opt)
fatal("out of virtual memory");
opt->name = name;
opt->desc = desc;
opt->nvars = nvars;
opt->nelt = nelt;
opt->format = format ? format : "%.4f";
opt->oc = oc_float;
opt->variant.for_float.var = vars;
opt->print = print;
opt->accrue = accrue;
/* place on ODB's option list */
opt->next = NULL;
add_option(odb, opt);
/* set default value */
for (i=0; i < *nelt; i++)
vars[i] = def_val[i];
}
/* register a double-precision floating point option variable */
void
opt_reg_double(struct opt_odb_t *odb, /* option data base */
char *name, /* option name */
char *desc, /* option description */
double *var, /* target variable */
double def_val, /* default variable value */
int print, /* print during `-dumpconfig'? */
char *format) /* option value print format */
{
struct opt_opt_t *opt;
opt = (struct opt_opt_t *)calloc(1, sizeof(struct opt_opt_t));
if (!opt)
fatal("out of virtual memory");
opt->name = name;
opt->desc = desc;
opt->nvars = 1;
opt->nelt = NULL;
opt->format = format ? format : "%12.4f";
opt->oc = oc_double;
opt->variant.for_double.var = var;
opt->print = print;
opt->accrue = FALSE;
/* place on ODB's option list */
opt->next = NULL;
add_option(odb, opt);
/* set default value */
*var = def_val;
}
/* register a double-precision floating point option array */
void
opt_reg_double_list(struct opt_odb_t *odb, /* option data base */
char *name, /* option name */
char *desc, /* option description */
double *vars, /* target array */
int nvars, /* target array size */
int *nelt, /* number of args parsed goes here */
double *def_val, /* default variable value */
int print, /* print during `-dumpconfig'? */
char *format, /* option value print format */
int accrue) /* accrue list across uses */
{
int i;
struct opt_opt_t *opt;
opt = (struct opt_opt_t *)calloc(1, sizeof(struct opt_opt_t));
if (!opt)
fatal("out of virtual memory");
opt->name = name;
opt->desc = desc;
opt->nvars = nvars;
opt->nelt = nelt;
opt->format = format ? format : "%.4f";
opt->oc = oc_double;
opt->variant.for_double.var = vars;
opt->print = print;
opt->accrue = accrue;
/* place on ODB's option list */
opt->next = NULL;
add_option(odb, opt);
/* set default value */
for (i=0; i < *nelt; i++)
vars[i] = def_val[i];
}
/* bind an enumeration string to an enumeration value */
static int
bind_to_enum(char *str, /* string to bind to an enum */
char **emap, /* enumeration string map */
int *eval, /* enumeration value map, optional */
int emap_sz, /* size of maps */
int *res) /* enumeration string value result */
{
int i;
/* string enumeration string map */
for (i=0; i<emap_sz; i++)
{
if (!strcmp(str, emap[i]))
{
if (eval)
{
/* bind to eval value */
*res = eval[i];
}
else
{
/* bind to string index */
*res = i;
}
return TRUE;
}
}
/* not found */
*res = -1;
return FALSE;
}
/* bind a enumeration value to an enumeration string */
static char *
bind_to_str(int val, /* enumeration value */
char **emap, /* enumeration string map */
int *eval, /* enumeration value map, optional */
int emap_sz) /* size of maps */
{
int i;
if (eval)
{
/* bind to first matching eval value */
for (i=0; i<emap_sz; i++)
{
if (eval[i] == val)
{
/* found */
return emap[i];
}
}
/* not found */
return NULL;
}
else
{
/* bind to string at index */
if (val >= emap_sz)
{
/* invalid index */
return NULL;
}
/* else, index is in range */
return emap[val];
}
}
/* register an enumeration option variable, NOTE: all enumeration option
variables must be of type `int', since true enum variables may be allocated
with variable sizes by some compilers */
void
opt_reg_enum(struct opt_odb_t *odb, /* option data base */
char *name, /* option name */
char *desc, /* option description */
int *var, /* target variable */
char *def_val, /* default variable value */
char **emap, /* enumeration string map */
int *eval, /* enumeration value map, optional */
int emap_sz, /* size of maps */
int print, /* print during `-dumpconfig'? */
char *format) /* option value print format */
{
int enum_val;
struct opt_opt_t *opt;
opt = (struct opt_opt_t *)calloc(1, sizeof(struct opt_opt_t));
if (!opt)
fatal("out of virtual memory");
opt->name = name;
opt->desc = desc;
opt->nvars = 1;
opt->nelt = NULL;
opt->format = format ? format : "%12s";
opt->oc = oc_enum;
opt->variant.for_enum.var = var;
opt->variant.for_enum.emap = emap;
opt->variant.for_enum.eval = eval;
opt->variant.for_enum.emap_sz = emap_sz;
if (def_val)
{
if (!bind_to_enum(def_val, emap, eval, emap_sz, &enum_val))
fatal("could not bind default value for option `%s'", name);
}
else
enum_val = 0;
opt->print = print;
opt->accrue = FALSE;
/* place on ODB's option list */
opt->next = NULL;
add_option(odb, opt);
/* set default value */
*var = enum_val;
}
/* register an enumeration option array, NOTE: all enumeration option variables
must be of type `int', since true enum variables may be allocated with
variable sizes by some compilers */
void
opt_reg_enum_list(struct opt_odb_t *odb,/* option data base */
char *name, /* option name */
char *desc, /* option description */
int *vars, /* target array */
int nvars, /* target array size */
int *nelt, /* number of args parsed goes here */
char *def_val, /* default variable value */
char **emap, /* enumeration string map */
int *eval, /* enumeration value map, optional */
int emap_sz, /* size of maps */
int print, /* print during `-dumpconfig'? */
char *format, /* option value print format */
int accrue) /* accrue list across uses */
{
int i, enum_val;
struct opt_opt_t *opt;
opt = (struct opt_opt_t *)calloc(1, sizeof(struct opt_opt_t));
if (!opt)
fatal("out of virtual memory");
opt->name = name;
opt->desc = desc;
opt->nvars = nvars;
opt->nelt = nelt;
opt->format = format ? format : "%s";
opt->oc = oc_enum;
opt->variant.for_enum.var = vars;
opt->variant.for_enum.emap = emap;
opt->variant.for_enum.eval = eval;
opt->variant.for_enum.emap_sz = emap_sz;
if (def_val)
{
if (!bind_to_enum(def_val, emap, eval, emap_sz, &enum_val))
fatal("could not bind default value for option `%s'", name);
}
else
enum_val = 0;
opt->print = print;
opt->accrue = accrue;
/* place on ODB's option list */
opt->next = NULL;
add_option(odb, opt);
/* set default value */
for (i=0; i < *nelt; i++)
vars[i] = enum_val;
}
/* pre-defined boolean flag operands */
#define NUM_FLAGS 28
static char *flag_emap[NUM_FLAGS] = {
"true", "t", "T", "True", "TRUE", "1", "y", "Y", "yes", "Yes", "YES",
"on", "On", "ON",
"false", "f", "F", "False", "FALSE", "0", "n", "N", "no", "No", "NO",
"off", "Off", "OFF"
};
static int flag_eval[NUM_FLAGS] = {
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
/* register a boolean flag option variable */
void
opt_reg_flag(struct opt_odb_t *odb, /* option data base */
char *name, /* option name */
char *desc, /* option description */
int *var, /* target variable */
int def_val, /* default variable value */
int print, /* print during `-dumpconfig'? */
char *format) /* optional value print format */
{
struct opt_opt_t *opt;
opt = (struct opt_opt_t *)calloc(1, sizeof(struct opt_opt_t));
if (!opt)
fatal("out of virtual memory");
opt->name = name;
opt->desc = desc;
opt->nvars = 1;
opt->nelt = NULL;
opt->format = format ? format : "%12s";
opt->oc = oc_flag;
opt->variant.for_enum.var = var;
opt->variant.for_enum.emap = flag_emap;
opt->variant.for_enum.eval = flag_eval;
opt->variant.for_enum.emap_sz = NUM_FLAGS;
opt->print = print;
opt->accrue = FALSE;
/* place on ODB's option list */
opt->next = NULL;
add_option(odb, opt);
/* set default value */
*var = def_val;
}
/* register a boolean flag option array */
void
opt_reg_flag_list(struct opt_odb_t *odb,/* option database */
char *name, /* option name */
char *desc, /* option description */
int *vars, /* pointer to option array */
int nvars, /* total entries in option array */
int *nelt, /* number of elements parsed */
int *def_val, /* default array value */
int print, /* print during `-dumpconfig'? */
char *format, /* optional value print format */
int accrue) /* accrue list across uses */
{
int i;
struct opt_opt_t *opt;
opt = (struct opt_opt_t *)calloc(1, sizeof(struct opt_opt_t));
if (!opt)
fatal("out of virtual memory");
opt->name = name;
opt->desc = desc;
opt->nvars = nvars;
opt->nelt = nelt;
opt->format = format ? format : "%s";
opt->oc = oc_flag;
opt->variant.for_enum.var = vars;
opt->variant.for_enum.emap = flag_emap;
opt->variant.for_enum.eval = flag_eval;
opt->variant.for_enum.emap_sz = NUM_FLAGS;
opt->print = print;
opt->accrue = accrue;
/* place on ODB's option list */
opt->next = NULL;
add_option(odb, opt);
/* set default value */
for (i=0; i < *nelt; i++)
vars[i] = def_val[i];
}
/* register a string option variable */
void
opt_reg_string(struct opt_odb_t *odb, /* option data base */
char *name, /* option name */
char *desc, /* option description */
char **var, /* pointer to string option variable */
char *def_val, /* default variable value */
int print, /* print during `-dumpconfig'? */
char *format) /* optional value print format */
{
struct opt_opt_t *opt;
opt = (struct opt_opt_t *)calloc(1, sizeof(struct opt_opt_t));
if (!opt)
fatal("out of virtual memory");
opt->name = name;
opt->desc = desc;
opt->nvars = 1;
opt->nelt = NULL;
opt->format = format ? format : "%12s";
opt->oc = oc_string;
opt->variant.for_string.var = var;
opt->print = print;
opt->accrue = FALSE;
/* place on ODB's option list */
opt->next = NULL;
add_option(odb, opt);
/* set default value */
*var = def_val;
}
/* register a string option array */
void
opt_reg_string_list(struct opt_odb_t *odb,/* option data base */
char *name, /* option name */
char *desc, /* option description */
char **vars, /* pointer to option string array */
int nvars, /* target array size */
int *nelt, /* number of args parsed goes here */
char **def_val, /* default variable value */
int print, /* print during `-dumpconfig'? */
char *format, /* optional value print format */
int accrue) /* accrue list across uses */
{
int i;
struct opt_opt_t *opt;
opt = (struct opt_opt_t *)calloc(1, sizeof(struct opt_opt_t));
if (!opt)
fatal("out of virtual memory");
opt->name = name;
opt->desc = desc;
opt->nvars = nvars;
opt->nelt = nelt;
opt->format = format ? format : "%s";
opt->oc = oc_string;
opt->variant.for_string.var = vars;
opt->print = print;
opt->accrue = accrue;
/* place on ODB's option list */
opt->next = NULL;
add_option(odb, opt);
/* set default value */
for (i=0; i < *nelt; i++)
vars[i] = def_val[i];
}
/* process command line arguments, returns index of next argument to parse */
int
process_option(struct opt_odb_t *odb, /* option database */
int index, /* index of the first arg to parse */
int argc, /* total number of arguments */
char **argv) /* argument string array */
{
int cnt, ent, nvars;
char *endp;
double tmp;
struct opt_opt_t *opt;
/* locate the option in the option database */
for (opt=odb->options; opt != NULL; opt=opt->next)
{
if (!strcmp(opt->name, argv[index]))
break;
}
if (!opt)
{
/* no one registered this option */
fatal("option `%s' is undefined", argv[index]);
}
index++;
/* process option arguments */
switch (opt->oc)
{
case oc_int:
/* this option needs at least one argument */
if (index >= argc
|| (argv[index][0] == '-' && !isdigit((int)argv[index][1])))
{
/* no arguments available */
fatal("option `%s' requires an argument", opt->name);
}
cnt = 0;
if (opt->accrue)
{
ent = opt->nelt ? *opt->nelt : 0;
nvars = 1;
if (ent >= opt->nvars)
fatal("too many invocations of option `%s'", opt->name);
}
else
{
ent = 0;
if (opt->nelt)
*opt->nelt = 0;
nvars = opt->nvars;
}
/* parse all arguments */
while (index < argc && cnt < nvars &&
(argv[index][0] != '-' || isdigit((int)argv[index][1])))
{
opt->variant.for_int.var[ent] = strtol(argv[index], &endp, 0);
if (*endp)
{
/* could not parse entire argument */
fatal("could not parse argument `%s' of option `%s'",
argv[index], opt->name);
}
/* else, argument converted correctly */
if (opt->nelt)
(*opt->nelt)++;
cnt++; index++; ent++;
}
break;
case oc_uint:
/* this option needs at least one argument */
if (index >= argc || argv[index][0] == '-')
{
/* no arguments available */
fatal("option `%s' requires an argument", opt->name);
}
cnt = 0;
if (opt->accrue)
{
ent = opt->nelt ? *opt->nelt : 0;
nvars = 1;
if (ent >= opt->nvars)
fatal("too many invocations of option `%s'", opt->name);
}
else
{
ent = 0;
if (opt->nelt)
*opt->nelt = 0;
nvars = opt->nvars;
}
/* parse all arguments */
while (index < argc && cnt < nvars && argv[index][0] != '-')
{
opt->variant.for_uint.var[ent] = strtoul(argv[index], &endp, 0);
if (*endp)
{
/* could not parse entire argument */
fatal("could not parse argument `%s' of option `%s'",
argv[index], opt->name);
}
/* else, argument converted correctly */
if (opt->nelt)
(*opt->nelt)++;
cnt++; index++; ent++;
}
break;
case oc_float:
/* this option needs at least one argument */
if (index >= argc
|| (argv[index][0] == '-' && !isdigit((int)argv[index][1])))
{
/* no arguments available */
fatal("option `%s' requires an argument", opt->name);
}
cnt = 0;
if (opt->accrue)
{
ent = opt->nelt ? *opt->nelt : 0;
nvars = 1;
if (ent >= opt->nvars)
fatal("too many invocations of option `%s'", opt->name);
}
else
{
ent = 0;
if (opt->nelt)
*opt->nelt = 0;
nvars = opt->nvars;
}
/* parse all arguments */
while (index < argc && cnt < nvars &&
(argv[index][0] != '-' || isdigit((int)argv[index][1])))
{
tmp = strtod(argv[index], &endp);
if (*endp)
{
/* could not parse entire argument */
fatal("could not parse argument `%s' of option `%s'",
argv[index], opt->name);
}
if (tmp < FLT_MIN || tmp > FLT_MAX)
{
/* over/underflow */
fatal("FP over/underflow for argument `%s' of option `%s'",
argv[index], opt->name);
}
/* else, argument converted correctly */
opt->variant.for_float.var[ent] = (float)tmp;
if (opt->nelt)
(*opt->nelt)++;
cnt++; index++; ent++;
}
break;
case oc_double:
/* this option needs at least one argument */
if (index >= argc
|| (argv[index][0] == '-' && !isdigit((int)argv[index][1])))
{
/* no arguments available */
fatal("option `%s' requires an argument", opt->name);
}
cnt = 0;
if (opt->accrue)
{
ent = opt->nelt ? *opt->nelt : 0;
nvars = 1;
if (ent >= opt->nvars)
fatal("too many invocations of option `%s'", opt->name);
}
else
{
ent = 0;
if (opt->nelt)
*opt->nelt = 0;
nvars = opt->nvars;
}
/* parse all arguments */
while (index < argc && cnt < nvars &&
(argv[index][0] != '-' || isdigit((int)argv[index][1])))
{
opt->variant.for_double.var[ent] = strtod(argv[index], &endp);
if (*endp)
{
/* could not parse entire argument */
fatal("could not parse argument `%s' of option `%s'",
argv[index], opt->name);
}
/* else, argument converted correctly */
if (opt->nelt)
(*opt->nelt)++;
cnt++; index++; ent++;
}
break;
case oc_enum:
/* this option needs at least one argument */
if (index >= argc || argv[index][0] == '-')
{
/* no arguments available */
fatal("option `%s' requires an argument", opt->name);
}
cnt = 0;
if (opt->accrue)
{
ent = opt->nelt ? *opt->nelt : 0;
nvars = 1;
if (ent >= opt->nvars)
fatal("too many invocations of option `%s'", opt->name);
}
else
{
ent = 0;
if (opt->nelt)
*opt->nelt = 0;
nvars = opt->nvars;
}
/* parse all arguments */
while (index < argc && cnt < nvars && argv[index][0] != '-')
{
if (!bind_to_enum(argv[index],
opt->variant.for_enum.emap,
opt->variant.for_enum.eval,
opt->variant.for_enum.emap_sz,
&opt->variant.for_enum.var[ent]))
{
/* could not parse entire argument */
fatal("could not parse argument `%s' of option `%s'",
argv[index], opt->name);
}
/* else, argument converted correctly */
if (opt->nelt)
(*opt->nelt)++;