var/da/da_main/copyfile.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 int32_t copyfile ( char *ifile, char *ofile)
   5 {
   6    char buff[BUFSIZ];
   7    size_t n;
   8    FILE *source, *target;
   9
  10    source = fopen(ifile, "r");
  11
  12    if( source == NULL )
  13      { return -1; }
  14
  15    target = fopen(ofile, "wb+");
  16
  17    if( target == NULL ) {
  18       fclose(source);
  19       return -1;
  20    }
  21
  22   while( (n=fread(buff,1,BUFSIZ, source)) != 0)  {
  23     fwrite(buff,1,n,target);
  24    }
  25
  26    fclose(source);
  27    fclose(target);
  28    return 0;
  29 }