ack/lang/fortran/lib/libI77/util.c

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1991-10-07 16:59:33 +00:00
#ifndef MSDOS
#include "sys/types.h"
#include "sys/stat.h"
#endif
#include "f2c.h"
#include "fio.h"
g_char(a,alen,b) char *a,*b; ftnlen alen;
{
char *x = a + alen, *y = b + alen;
for(;; y--) {
if (x <= a) {
*b = 0;
return;
}
if (*--x != ' ')
break;
}
*y-- = 0;
do *y-- = *x;
while(x-- > a);
}
b_char(a,b,blen) char *a,*b; ftnlen blen;
{ int i;
for(i=0;i<blen && *a!=0;i++) *b++= *a++;
for(;i<blen;i++) *b++=' ';
}
#ifndef MSDOS
long inode(a, dev) char *a; int *dev;
{ struct stat x;
if(stat(a,&x)<0) return(-1);
*dev = x.st_dev;
return(x.st_ino);
}
#endif
#define INTBOUND sizeof(int)-1
mvgbt(n,len,a,b) char *a,*b;
{ register int num=n*len;
if( ((int)a&INTBOUND)==0 && ((int)b&INTBOUND)==0 && (num&INTBOUND)==0 )
{ register int *x=(int *)a,*y=(int *)b;
num /= sizeof(int);
if(x>y) for(;num>0;num--) *y++= *x++;
else for(num--;num>=0;num--) *(y+num)= *(x+num);
}
else
{ register char *x=a,*y=b;
if(x>y) for(;num>0;num--) *y++= *x++;
else for(num--;num>=0;num--) *(y+num)= *(x+num);
}
}