c429248993
* libio/fileops.c (_IO_file_xsgetn_mmap): Always set EOF flag is not enough content is available. * libio/tst-eof.c: New file. * libio/Makefile (tests): Add tst-eof. * libio/fileops.c (_IO_file_underflow_mmap): Read a single byte to update atime. * libio/tst-atime.c: New file. * libio/Makefile (tests): Add tst-atime.
80 lines
1.3 KiB
C
80 lines
1.3 KiB
C
#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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static int do_test (void);
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#define TEST_FUNCTION do_test ()
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#include <test-skeleton.c>
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static int
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do_test (void)
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{
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char *buf;
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int fd;
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FILE *fp;
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int ch;
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char tm[20];
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buf = (char *) malloc (strlen (test_dir) + sizeof "/tst-eof.XXXXXX");
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if (buf == NULL)
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{
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printf ("cannot allocate memory: %m\n");
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return 1;
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}
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stpcpy (stpcpy (buf, test_dir), "/tst-eof.XXXXXX");
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fd = mkstemp (buf);
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if (fd == -1)
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{
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printf ("cannot open temporary file: %m\n");
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return 1;
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}
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/* Make sure it gets removed. */
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add_temp_file (buf);
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if (write (fd, "some string\n", 12) != 12)
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{
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printf ("cannot write temporary file: %m\n");
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return 1;
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}
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if (lseek (fd, 0, SEEK_SET) == (off_t) -1)
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{
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printf ("cannot reposition temporary file: %m\n");
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return 1;
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}
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fp = fdopen (fd, "r");
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if (fp == NULL)
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{
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printf ("cannot create stream: %m\n");
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return 1;
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}
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if (feof (fp))
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{
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puts ("EOF set after fdopen");
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return 1;
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}
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if (fread (buf, 1, 20, fp) != 12)
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{
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puts ("didn't read the correct number of bytes");
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return 1;
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}
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if (! feof (fp))
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{
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puts ("EOF not set after fread");
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return 1;
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}
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fclose (fp);
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return 0;
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}
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