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#include "libc.h"
#include "types.h"
#include "misc.h"
#include "args.h"
#ifndef __lint
static const char rcsid[] =
"$Id: args.c,v 1.3 2000/09/15 17:57:02 florea Exp $";
#endif
static int argc;
static char **argv;
char *argv0;
/* ckargs -- check that only certain parameters are set on the command line */
void ckargs(const char *options, int argcx, char **argvx, int non_options)
{
int i;
argc = argcx;
argv = argvx;
argv0 = argv0 ? argv0 : argv[0];
for (i = non_options+1; i < argc; ++i)
if (argv[i][1] != '=')
fatalf("Improper command option: '%s'.", argv[i]);
else if (!strchr(options, argv[i][0]))
fatalf("Available options: %s\n", options);
}
/* get_argval --------------------- get the value of a command-line argument */
Bool get_argval(int c, int *val_ptr)
{
int i;
ck_argc("get_argval");
for (i = 0; i < argc; ++i)
if (argv[i][0] == c && argv[i][1] == '=') {
*val_ptr = atoi(argv[i]+2);
return 1;
}
return 0;
}
/* get_fargval --------------- get the float value of a command-line argument */
Bool get_fargval(int c, double *val_ptr)
{
int i;
ck_argc("get_fargval");
for (i = 0; i < argc; ++i)
if (argv[i][0] == c && argv[i][1] == '=') {
*val_ptr = atof(argv[i]+2);
return 1;
}
return 0;
}
/* get_strargval ---------- get the string value of a command-line argument */
Bool get_strargval(int c, char **val_ptr)
{
int i;
ck_argc("get_strargval");
for (i = 0; i < argc; ++i)
if (argv[i][0] == c && argv[i][1] == '=') {
*val_ptr = (char *) ckalloc(strlen(argv[i]+2)+1);
strcpy(*val_ptr, argv[i]+2);
return 1;
}
return 0;
}
Bool get_cargval(int c, char **valp)
{
int i;
ck_argc("get_cargval");
for (i = 0; i < argc; ++i)
if (argv[i][0] == c && argv[i][1] == '=') {
*valp = argv[i]+2;
return 1;
}
return 0;
}
void fprintf_argv(FILE* fp)
{
int i;
fprintf(fp, "%s", argv0);
for (i = 1; i < argc; ++i)
(void)fprintf(fp, " %s", argv[i]);
}
/* ck_argc - die if argc is unknown */
void ck_argc(const char *proc_name)
{
if (argc == 0)
fatalf("Call ckargs() before %s.\n", proc_name);
}
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