diff options
Diffstat (limited to 'REORG.TODO/stdio-common/tst-fdopen.c')
-rw-r--r-- | REORG.TODO/stdio-common/tst-fdopen.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/REORG.TODO/stdio-common/tst-fdopen.c b/REORG.TODO/stdio-common/tst-fdopen.c new file mode 100644 index 0000000000..e70a0cd6a5 --- /dev/null +++ b/REORG.TODO/stdio-common/tst-fdopen.c @@ -0,0 +1,50 @@ +/* Test for fdopen bugs. */ + +#include <stdio.h> +#include <unistd.h> +#include <fcntl.h> + +#undef assert +#define assert(x) \ + if (!(x)) \ + { \ + fputs ("test failed: " #x "\n", stderr); \ + retval = 1; \ + goto the_end; \ + } + +char buffer[256]; + +int +main (int argc, char *argv[]) +{ + char *name; + FILE *fp = NULL; + int retval = 0; + int fd; + + name = tmpnam (NULL); + fp = fopen (name, "w"); + assert (fp != NULL) + fputs ("foobar and baz", fp); + fclose (fp); + fp = NULL; + + fd = open (name, O_RDONLY); + assert (fd != -1); + assert (lseek (fd, 5, SEEK_SET) == 5); + /* The file position indicator associated with the new stream is set to + the position indicated by the file offset associated with the file + descriptor. */ + fp = fdopen (fd, "r"); + assert (fp != NULL); + assert (getc (fp) == 'r'); + assert (getc (fp) == ' '); + +the_end: + if (fp != NULL) + fclose (fp); + unlink (name); + + return retval; +} |