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41 lines
989 B
41 lines
989 B
7 years ago
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program main
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use iso_c_binding, only: c_int, c_char, c_null_char, c_ptr
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use gzip, only: gzopen, gzwrite, gzclose
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implicit none
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character(kind=c_char,len=*), parameter :: path = &
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c_char_"test.gz"//c_null_char
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character(kind=c_char,len=*), parameter :: mode = &
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c_char_"wb9"//c_null_char
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integer(c_int), parameter :: buffer_size = 512
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type(c_ptr) :: file
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character(len=buffer_size) :: buffer
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integer(c_int) :: ret
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integer :: i
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! open file
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file = gzopen(path, mode)
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! fill buffer with data
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do i=1,buffer_size/4
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write(buffer(4*(i-1)+1:4*i), '(i3.3, a)') i, new_line('')
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end do
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ret = gzwrite(file, buffer, buffer_size)
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if (ret.ne.buffer_size) then
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write(*,'(a, i3, a, i3, a)') 'Error: ', ret, ' / ', buffer_size, &
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' bytes written.'
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stop 1
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end if
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! close file
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ret = gzclose(file)
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if (ret.ne.0) then
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print *, 'Error: failure to close file with error code ', ret
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stop 1
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end if
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end program main
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