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https://sourceware.org/git/glibc.git
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59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
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#include <stdio.h>
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#include <stdio_ext.h>
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static char *fname;
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#define PREPARE(argc, argv) \
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do { \
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int fd = create_temp_file ("tst-ext2", &fname); \
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if (fd == -1) \
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{ \
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puts ("cannot create temporary file"); \
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exit (1); \
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} \
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close (fd); \
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} while (0)
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static int
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do_test (void)
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{
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int res = 0;
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FILE *fp;
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fp = fopen (fname, "w");
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printf ("Initial state for write-only stream: %d %d\n",
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__freading (fp) != 0, __fwriting (fp) != 0);
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res |= ((__freading (fp) != 0) != 0
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|| (__fwriting (fp) != 0) != 1);
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fclose (fp);
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fp = fopen (fname, "r");
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printf ("Initial state for read-only stream: %d %d\n",
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__freading (fp) != 0, __fwriting (fp) != 0);
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res |= ((__freading (fp) != 0) != 1
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|| (__fwriting (fp) != 0) != 0);
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fclose (fp);
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fp = fopen (fname, "r+");
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printf ("Initial state for read-write stream: %d %d\n",
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__freading (fp) != 0, __fwriting (fp) != 0);
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res |= ((__freading (fp) != 0) != 0
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|| (__fwriting (fp) != 0) != 0);
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fclose (fp);
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fp = fopen (fname, "w+");
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printf ("Initial state for read-write stream: %d %d\n",
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__freading (fp) != 0, __fwriting (fp) != 0);
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res |= ((__freading (fp) != 0) != 0
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|| (__fwriting (fp) != 0) != 0);
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fclose (fp);
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return res;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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