101 lines
1.8 KiB
C
101 lines
1.8 KiB
C
#include <fcntl.h>
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#include <sys/stat.h>
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static void do_prepare (void);
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#define PREPARE(argc, argv) do_prepare ()
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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 fd;
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static void
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do_prepare (void)
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{
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fd = create_temp_file ("tst-posix_fallocate.", NULL);
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if (fd == -1)
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{
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printf ("cannot create temporary file: %m\n");
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exit (1);
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}
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}
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static int
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do_test (void)
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{
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struct stat64 st;
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if (fstat64 (fd, &st) != 0)
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{
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puts ("1st fstat failed");
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return 1;
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}
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if (st.st_size != 0)
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{
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puts ("file not created with size 0");
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return 1;
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}
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if (posix_fallocate (fd, 512, 768) != 0)
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{
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puts ("1st posix_fallocate call failed");
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return 1;
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}
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if (fstat64 (fd, &st) != 0)
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{
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puts ("2nd fstat failed");
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return 1;
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}
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if (st.st_size != 512 + 768)
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{
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printf ("file size after first posix_fallocate call is %llu, expected %u\n",
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(unsigned long long int) st.st_size, 512u + 768u);
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return 1;
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}
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if (posix_fallocate (fd, 0, 1024) != 0)
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{
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puts ("2nd posix_fallocate call failed");
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return 1;
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}
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if (fstat64 (fd, &st) != 0)
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{
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puts ("3rd fstat failed");
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return 1;
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}
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if (st.st_size != 512 + 768)
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{
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puts ("file size changed in second posix_fallocate");
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return 1;
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}
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if (posix_fallocate (fd, 2048, 64) != 0)
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{
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puts ("3rd posix_fallocate call failed");
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return 1;
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}
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if (fstat64 (fd, &st) != 0)
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{
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puts ("4th fstat failed");
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return 1;
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}
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if (st.st_size != 2048 + 64)
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{
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printf ("file size after first posix_fallocate call is %llu, expected %u\n",
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(unsigned long long int) st.st_size, 2048u + 64u);
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return 1;
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}
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close (fd);
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return 0;
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}
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