-
-/* Find 64-bit floating-point type. */
-#if SIZEOF_FLOAT == 8
- #define flt64 float
- #define FLT64_MAX FLT_MAX
-#elif SIZEOF_DOUBLE == 8
- #define flt64 double
- #define FLT64_MAX DBL_MAX
-#elif SIZEOF_LONG_DOUBLE == 8
- #define flt64 long double
- #define FLT64_MAX LDBL_MAX
-#else
- #error Which one of your basic types is 64-bit floating point?
-#endif
-
-/* Figure out SYSMIS value for flt64. */
-#include <libpspp/magic.h>
-#if SIZEOF_DOUBLE == 8
-#define second_lowest_flt64 second_lowest_value
-#else
-#error Must define second_lowest_flt64 for your architecture.
-#endif
-
-/* Record Type 1: General Information. */
-struct sysfile_header
- {
- char rec_type[4] ; /* 00: Record-type code, "$FL2". */
- char prod_name[60] ; /* 04: Product identification. */
- int32_t layout_code ; /* 40: 2. */
- int32_t nominal_case_size ; /* 44: Number of `value's per case.
- Note: some systems set this to -1 */
- int32_t compress ; /* 48: 1=compressed, 0=not compressed. */
- int32_t weight_idx ; /* 4c: 1-based index of weighting var, or 0. */
- int32_t case_cnt ; /* 50: Number of cases, -1 if unknown. */
- flt64 bias ; /* 54: Compression bias (100.0). */
- char creation_date[9] ; /* 5c: `dd mmm yy' creation date of file. */
- char creation_time[8] ; /* 65: `hh:mm:ss' 24-hour creation time. */
- char file_label[64] ; /* 6d: File label. */
- char padding[3] ; /* ad: Ignored padding. */
- } ATTRIBUTE((packed)) ;
-
-/* Record Type 2: Variable. */
-struct sysfile_variable
- {
- int32_t rec_type ; /* 2. */
- int32_t type ; /* 0=numeric, 1-255=string width,
- -1=continued string. */
- int32_t has_var_label ; /* 1=has a variable label, 0=doesn't. */
- int32_t n_missing_values ; /* Missing value code of -3,-2,0,1,2, or 3. */
- int32_t print ; /* Print format. */
- int32_t write ; /* Write format. */
- char name[SHORT_NAME_LEN] ; /* Variable name. */
- /* The rest of the structure varies. */
- } ATTRIBUTE((packed)) ;