| /* Check regression of a bug uncovered by the libio tFile test (old |
| libstdc++, pre-gcc-3.x era), where appending to a file doesn't work. |
| The default open-flags-mapping does not match Linux/CRIS, so a |
| specific mapping is necessary. */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| |
| int |
| main (void) |
| { |
| FILE *f; |
| const char fname[] = "sk1test.dat"; |
| const char tsttxt1[] |
| = "This is the first and only line of this file.\n"; |
| const char tsttxt2[] = "Now there is a second line.\n"; |
| char buf[sizeof (tsttxt1) + sizeof (tsttxt2) - 1] = ""; |
| |
| f = fopen (fname, "w+"); |
| if (f == NULL |
| || fwrite (tsttxt1, 1, strlen (tsttxt1), f) != strlen (tsttxt1) |
| || fclose (f) != 0) |
| { |
| printf ("fail\n"); |
| exit (1); |
| } |
| |
| f = fopen (fname, "a+"); |
| if (f == NULL |
| || fwrite (tsttxt2, 1, strlen (tsttxt2), f) != strlen (tsttxt2) |
| || fclose (f) != 0) |
| { |
| printf ("fail\n"); |
| exit (1); |
| } |
| |
| f = fopen (fname, "r"); |
| if (f == NULL |
| || fread (buf, 1, sizeof (buf), f) != sizeof (buf) - 1 |
| || strncmp (buf, tsttxt1, strlen (tsttxt1)) != 0 |
| || strncmp (buf + strlen (tsttxt1), tsttxt2, strlen (tsttxt2)) != 0 |
| || fclose (f) != 0) |
| { |
| printf ("fail\n"); |
| exit (1); |
| } |
| |
| printf ("pass\n"); |
| exit (0); |
| } |