|
Last change
on this file was 2036, checked in by bird, 20 years ago |
|
Initial revision
|
-
Property cvs2svn:cvs-rev
set to
1.1
-
Property svn:eol-style
set to
native
-
Property svn:executable
set to
*
-
Property svn:keywords
set to
Author Date Id Revision
|
|
File size:
1.6 KB
|
| Line | |
|---|
| 1 | #include <stdio.h>
|
|---|
| 2 | #include <sys/types.h>
|
|---|
| 3 |
|
|---|
| 4 |
|
|---|
| 5 | static int
|
|---|
| 6 | check (FILE *fp, off_t o)
|
|---|
| 7 | {
|
|---|
| 8 | int result = 0;
|
|---|
| 9 | if (feof (fp))
|
|---|
| 10 | {
|
|---|
| 11 | puts ("feof !");
|
|---|
| 12 | result = 1;
|
|---|
| 13 | }
|
|---|
| 14 | if (ferror (fp))
|
|---|
| 15 | {
|
|---|
| 16 | puts ("ferror !");
|
|---|
| 17 | result = 1;
|
|---|
| 18 | }
|
|---|
| 19 | if (ftello (fp) != o)
|
|---|
| 20 | {
|
|---|
| 21 | printf ("position = %lu, not %lu\n", (unsigned long int) ftello (fp),
|
|---|
| 22 | (unsigned long int) o);
|
|---|
| 23 | result = 1;
|
|---|
| 24 | }
|
|---|
| 25 | return result;
|
|---|
| 26 | }
|
|---|
| 27 |
|
|---|
| 28 |
|
|---|
| 29 | static int
|
|---|
| 30 | do_test (void)
|
|---|
| 31 | {
|
|---|
| 32 | FILE *fp = tmpfile ();
|
|---|
| 33 | if (fp == NULL)
|
|---|
| 34 | {
|
|---|
| 35 | puts ("tmpfile failed");
|
|---|
| 36 | return 1;
|
|---|
| 37 | }
|
|---|
| 38 | if (check (fp, 0) != 0)
|
|---|
| 39 | return 1;
|
|---|
| 40 |
|
|---|
| 41 | puts ("going to write");
|
|---|
| 42 | if (fputs ("hello", fp) == EOF)
|
|---|
| 43 | {
|
|---|
| 44 | puts ("fputs failed");
|
|---|
| 45 | return 1;
|
|---|
| 46 | }
|
|---|
| 47 | if (check (fp, 5) != 0)
|
|---|
| 48 | return 1;
|
|---|
| 49 |
|
|---|
| 50 | puts ("going to rewind");
|
|---|
| 51 | rewind (fp);
|
|---|
| 52 | if (check (fp, 0) != 0)
|
|---|
| 53 | return 1;
|
|---|
| 54 |
|
|---|
| 55 | puts ("going to read char");
|
|---|
| 56 | int c = fgetc (fp);
|
|---|
| 57 | if (c != 'h')
|
|---|
| 58 | {
|
|---|
| 59 | printf ("read %c, not %c\n", c, 'h');
|
|---|
| 60 | return 1;
|
|---|
| 61 | }
|
|---|
| 62 | if (check (fp, 1) != 0)
|
|---|
| 63 | return 1;
|
|---|
| 64 |
|
|---|
| 65 | puts ("going to put back");
|
|---|
| 66 | if (ungetc (' ', fp) == EOF)
|
|---|
| 67 | {
|
|---|
| 68 | puts ("ungetc failed");
|
|---|
| 69 | return 1;
|
|---|
| 70 | }
|
|---|
| 71 | if (check (fp, 0) != 0)
|
|---|
| 72 | return 1;
|
|---|
| 73 |
|
|---|
| 74 | puts ("going to write again");
|
|---|
| 75 | if (fputs ("world", fp) == EOF)
|
|---|
| 76 | {
|
|---|
| 77 | puts ("2nd fputs failed");
|
|---|
| 78 | return 1;
|
|---|
| 79 | }
|
|---|
| 80 | if (check (fp, 5) != 0)
|
|---|
| 81 | return 1;
|
|---|
| 82 |
|
|---|
| 83 | puts ("going to rewind again");
|
|---|
| 84 | rewind (fp);
|
|---|
| 85 | if (check (fp, 0) != 0)
|
|---|
| 86 | return 1;
|
|---|
| 87 |
|
|---|
| 88 | if (fclose (fp) != 0)
|
|---|
| 89 | {
|
|---|
| 90 | puts ("fclose failed");
|
|---|
| 91 | return 1;
|
|---|
| 92 | }
|
|---|
| 93 |
|
|---|
| 94 | return 0;
|
|---|
| 95 | }
|
|---|
| 96 |
|
|---|
| 97 | #define TEST_FUNCTION do_test ()
|
|---|
| 98 | #include "../test-skeleton.c"
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
