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util.c
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util.c
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#include "stdlib.h"
#include "sys/types.h"
#include "sys/stat.h"
#include "util.h"
void g_char(a,alen,b) char *a,*b; ftnlen alen;
{ char *x=a+alen-1,*y=b+alen-1;
*(y+1)=0;
for(;x>=a && *x==' ';x--) *y--=0;
for(;x>=a;*y--= *x--);
}
void 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++=' ';
}
int inode(a) char *a;
{ struct stat x;
if(stat(a,&x)<0) return(-1);
return(x.st_ino);
}
#define DONE {*bufpos++=0; (void) close(file); return;}
#define INTBOUND sizeof(int)-1
void mvgbt(n,len,a,b) char *a,*b;int n,len;
{ 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);
}
}