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Diffstat (limited to 'REORG.TODO/io/test-utime.c')
-rw-r--r-- | REORG.TODO/io/test-utime.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/REORG.TODO/io/test-utime.c b/REORG.TODO/io/test-utime.c new file mode 100644 index 0000000000..3e7583c9c0 --- /dev/null +++ b/REORG.TODO/io/test-utime.c @@ -0,0 +1,141 @@ +/* Copyright (C) 1994-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <fcntl.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/stat.h> +#include <unistd.h> +#include <utime.h> +#include <time.h> + +int +main (int argc, char *argv[]) +{ + char file[L_tmpnam]; + struct utimbuf ut; + struct stat st; + struct stat stnow; + time_t now1, now2; + int fd; + + if (tmpnam (file) == 0) + { + perror ("tmpnam"); + return 1; + } + + fd = creat (file, 0666); + if (fd < 0) + { + perror ("creat"); + return 1; + } + close (fd); + + /* Test utime with arg */ + ut.actime = 500000000; + ut.modtime = 500000001; + if (utime (file, &ut)) + { + perror ("utime"); + remove (file); + return 1; + } + + if (stat (file, &st)) + { + perror ("stat"); + remove (file); + return 1; + } + + /* Test utime with NULL. + Since there's a race condition possible here, we check + the time before and after the call to utime. */ + now1 = time (NULL); + if (now1 == (time_t)-1) + { + perror ("time"); + remove (file); + return 1; + } + + /* The clocks used to set the modification time and that used in the + time() call need not be the same. They need not have the same + precision. Therefore we delay the following operation by one + second which makes sure we can compare with second precision. */ + sleep (1); + + if (utime (file, NULL)) + { + perror ("utime NULL"); + remove (file); + return 1; + } + + sleep (1); + + now2 = time (NULL); + if (now2 == (time_t)-1) + { + perror ("time"); + remove (file); + return 1; + } + + if (stat (file, &stnow)) + { + perror ("stat"); + remove (file); + return 1; + } + + remove (file); + + if (st.st_mtime != ut.modtime) + { + printf ("modtime %jd != %jd\n", + (intmax_t) st.st_mtime, (intmax_t) ut.modtime); + return 1; + } + + if (st.st_atime != ut.actime) + { + printf ("actime %jd != %jd\n", + (intmax_t) st.st_atime, (intmax_t) ut.actime); + return 1; + } + + if (stnow.st_mtime < now1 || stnow.st_mtime > now2) + { + printf ("modtime %jd <%jd >%jd\n", + (intmax_t) stnow.st_mtime, (intmax_t) now1, (intmax_t) now2); + return 1; + } + + if (stnow.st_atime < now1 || stnow.st_atime > now2) + { + printf ("actime %jd <%jd >%jd\n", + (intmax_t) stnow.st_atime, (intmax_t) now1, (intmax_t) now2); + return 1; + } + + puts ("Test succeeded."); + return 0; +} |