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/* fstr.c == fstr.C */ /* anonymous ftp@zebra.desy.de */
/* An example from cfortran.h package. Requires fstr_f.f */
/* Burkhard Burow burow@desy.de 1990 - 1997. */
#include <stdio.h>
#include <stdlib.h> /* EXIT_SUCCESS */
#include "cfortran.h"
void Pstru(char *s) { strcpy(s,"new pstring"); return;}
FCALLSCSUB1(Pstru,PSTRU,pstru, PSTRING)
void Pstr(char *s)
{
static char *save=NULL;
char *temp;
int ls, lsave;
/* If required, reset, or prepare to reset the saved location. */
if (!s || !save) { save=s; return; }
ls = strlen(s );
lsave = strlen(save);
temp = (char *)malloc(ls>lsave?ls:lsave);
/* Switch contents of argument with contents of saved string. */
strcpy(temp,save);
strcpy(save,s );
strcpy(s ,temp);
free(temp);
return;
}
/* Provide 3 interfaces using the the 3 types of PSTRING. */
FCALLSCSUB1(Pstr,PSTR,pstr, PSTRING)
FCALLSCSUB1(Pstr,PNSTR,pnstr, PNSTRING)
FCALLSCSUB1(Pstr,PPSTR,ppstr, PPSTRING)
PROTOCCALLSFSUB0(FSTR,fstr)
#define FSTR() CCALLSFSUB0(FSTR,fstr)
int main() { FSTR(); return EXIT_SUCCESS;}
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