Patch Revision 1 (Re: useful utility when out of disk space)

[Bob Webber]

*** xx	Thu Jan  5 23:59:49 1989
--- INSERT.c	Fri Jan  6 00:01:14 1989
***************
*** 5,10 ****
--- 5,12 ----
  #include <sys/file.h>
  #include <sys/param.h>
  
+ extern long lseek();
+ 
  main(argc,argv)
       int argc;
       char *argv[];
***************
*** 11,24 ****
  {
    int fdin, fdout;
    int ReadExit;
-   int WriteExit;
-   int SeekExit;
    int ReadSize;
    
    char chs[MAXBSIZE];
  
    if (argc != 3) {
!     fprintf(stderr,"Error 1 [%d]: Read the source before using\n",argc);
      exit(1);
    }
    if ((fdin = open(argv[1],O_RDONLY)) == -1) {
--- 13,24 ----
  {
    int fdin, fdout;
    int ReadExit;
    int ReadSize;
    
    char chs[MAXBSIZE];
  
    if (argc != 3) {
!     (void)fprintf(stderr,"Error 1 [%d]: Read the source before using\n",argc);
      exit(1);
    }
    if ((fdin = open(argv[1],O_RDONLY)) == -1) {
***************
*** 25,31 ****
      perror("Error 2 : Read the source before using:");
      exit(2);
    }
!   if ((SeekExit = lseek(fdin,0,L_SET)) != 0) {
      perror("Error 3 : Read the source before using:");
      exit(3);
    }
--- 25,31 ----
      perror("Error 2 : Read the source before using:");
      exit(2);
    }
!   if (lseek(fdin,(long) 0,L_SET) != 0) {
      perror("Error 3 : Read the source before using:");
      exit(3);
    }
***************
*** 33,39 ****
      perror("Error 4 : Read the source before using:");
      exit(4);
    }
!   if ((SeekExit = lseek(fdout,0,L_SET)) != 0) {
      perror("Error 5 : Read the source before using:");
      exit(5);
    }
--- 33,39 ----
      perror("Error 4 : Read the source before using:");
      exit(4);
    }
!   if (lseek(fdout,(long) 0,L_SET) != 0) {
      perror("Error 5 : Read the source before using:");
      exit(5);
    }
***************
*** 40,46 ****
    ReadSize = 0;
    while ((ReadExit = read(fdin,chs,MAXBSIZE)) >0) {
      ReadSize += ReadExit;
!     if ((WriteExit = write(fdout,chs,ReadExit)) != ReadExit) {
        perror("Error 6 : Read the source before using:");
        exit(6);
      }
--- 40,46 ----
    ReadSize = 0;
    while ((ReadExit = read(fdin,chs,MAXBSIZE)) >0) {
      ReadSize += ReadExit;
!     if (write(fdout,chs,ReadExit) != ReadExit) {
        perror("Error 6 : Read the source before using:");
        exit(6);
      }
***************
*** 56,59 ****
    }
    exit(0);
  }
- 
--- 56,58 ----