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-
- Listing 3:
-
- #include <stdio.h>
- #include <stdio.h>
-
- main(int argc, char *argv[])
- {
- copy_it(argv[1], argv[2]);
- end_it("copy is done\n");
- }
- copy_it(char FileIn[55], char FileOut[55])
- {
- FILE *fi;
- FILE *fo;
- int gc;
-
- /* The next 2 lines fixed the problem */
- /* NOT VERY ELEGANT BUT IT WORKS! */
- if (*FileIn == *FileOut)
- end_it("ABORT: Make first letters of names different\n");
-
- if ((fi = fopen(FileIn, "rb")) == NULL)
- end_it("File not found\n");
- if ((fo = fopen(FileOut, "wb")) == NULL)
- {
- fclose(fi);
- end_it("No output\n");
- }
- while (!feof(fi))
- {
- gc = getc(fi);
- if (!feof(fi))
- putc(gc, fo);
- }
- fclose(fi);
- fclose(fo);
- }
-
- /*
- IF FILEIN = FILEOUT, AND FILE IS LARGER THAN ABOUT 2-3K,
-
-
- 6
-
-
-
- YOU WILL DAMAGE DIRECTORY TABLE!
- */
-
- static end_it(s)
- char *s; /* String to display to User */
- {
- /* Display string passed and simply abort */
- fprintf(stdout, s);
- exit (0);
- }
-
-