/* PSPP - computes sample statistics.
- Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc.
Written by Ben Pfaff <blp@gnu.org>.
This program is free software; you can redistribute it and/or
#include "file-handle.h"
#include "filename.h"
#include "format.h"
-#include "getline.h"
+#include "getl.h"
#include "hash.h"
#include "magic.h"
#include "misc.h"
#include "str.h"
#include "var.h"
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
#include "debug-print.h"
/* System file reader. */
/* Variables. */
struct sfm_var *vars; /* Variables. */
- size_t var_cnt; /* Number of variables. */
/* File's special constants. */
flt64 sysmis;
/* Swap bytes *A and *B. */
static inline void
-bswap (unsigned char *a, unsigned char *b)
+bswap (char *a, char *b)
{
- unsigned char t = *a;
+ char t = *a;
*a = *b;
*b = t;
}
-/* bswap_int32(): Reverse the byte order of 32-bit integer *X. */
+/* Reverse the byte order of 32-bit integer *X. */
static inline void
bswap_int32 (int32 *x_)
{
- unsigned char *x = (unsigned char *) x_;
+ char *x = (char *) x_;
bswap (x + 0, x + 3);
bswap (x + 1, x + 2);
}
static inline void
bswap_flt64 (flt64 *x_)
{
- unsigned char *x = (unsigned char *) x_;
+ char *x = (char *) x_;
bswap (x + 0, x + 7);
bswap (x + 1, x + 6);
bswap (x + 2, x + 5);
if (r == NULL)
return;
+ if (r->file)
+ {
+ if (fn_close (fh_get_filename (r->fh), r->file) == EOF)
+ msg (ME, _("%s: Closing system file: %s."),
+ fh_get_filename (r->fh), strerror (errno));
+ r->file = NULL;
+ }
+
if (r->fh != NULL)
fh_close (r->fh, "system file", "rs");
- if ( r->file ) {
- if (fn_close (handle_get_filename (r->fh), r->file) == EOF)
- msg (ME, _("%s: Closing system file: %s."),
- handle_get_filename (r->fh), strerror (errno));
- r->file = NULL;
- }
free (r->vars);
free (r->buf);
free (r);
struct variable **var_by_idx = NULL;
*dict = dict_create ();
- if (!fh_open (fh, "system file", "rs"))
+ if (!fh_open (fh, FH_REF_FILE, "system file", "rs"))
goto error;
/* Create and initialize reader. */
r = xmalloc (sizeof *r);
r->fh = fh;
- r->file = fn_open (handle_get_filename (fh), "rb");
+ r->file = fn_open (fh_get_filename (fh), "rb");
r->reverse_endian = 0;
r->fix_specials = 0;
r->weight_idx = -1;
r->vars = NULL;
- r->var_cnt = 0;
r->sysmis = -FLT64_MAX;
r->highest = FLT64_MAX;
{
msg (ME, _("An error occurred while opening \"%s\" for reading "
"as a system file: %s."),
- handle_get_filename (r->fh), strerror (errno));
+ fh_get_filename (r->fh), strerror (errno));
err_cond_fail ();
goto error;
}
if (!read_header (r, *dict, info) || !read_variables (r, *dict, &var_by_idx))
goto error;
+
/* Handle weighting. */
if (r->weight_idx != -1)
{
if (r->weight_idx < 0 || r->weight_idx >= r->value_cnt)
lose ((ME, _("%s: Index of weighting variable (%d) is not between 0 "
"and number of elements per case (%d)."),
- handle_get_filename (r->fh), r->weight_idx, r->value_cnt));
+ fh_get_filename (r->fh), r->weight_idx, r->value_cnt));
weight_var = var_by_idx[r->weight_idx];
if (weight_var == NULL)
lose ((ME,
_("%s: Weighting variable may not be a continuation of "
- "a long string variable."), handle_get_filename (fh)));
+ "a long string variable."), fh_get_filename (fh)));
else if (weight_var->type == ALPHA)
lose ((ME, _("%s: Weighting variable may not be a string variable."),
- handle_get_filename (fh)));
+ fh_get_filename (fh)));
dict_set_weight (*dict, weight_var);
}
lose ((ME, _("%s: Orphaned variable index record (type 4). Type 4 "
"records must always immediately follow type 3 "
"records."),
- handle_get_filename (r->fh)));
+ fh_get_filename (r->fh)));
case 6:
if (!read_documents (r, *dict))
bytes = data.size * data.count;
if (bytes < data.size || bytes < data.count)
lose ((ME, "%s: Record type %d subtype %d too large.",
- handle_get_filename (r->fh), rec_type, data.subtype));
+ fh_get_filename (r->fh), rec_type, data.subtype));
switch (data.subtype)
{
{
const int n_vars = data.count / 3 ;
int i;
- if ( data.count % 3 )
+ if ( data.count % 3 || n_vars > dict_get_var_cnt(*dict) )
{
msg (MW, _("%s: Invalid subrecord length. "
"Record: 7; Subrecord: 11"),
- handle_get_filename (r->fh));
+ fh_get_filename (r->fh));
skip = 1;
}
- for ( i = 0 ; i < n_vars ; ++i )
+ for ( i = 0 ; i < min(n_vars, dict_get_var_cnt(*dict)) ; ++i )
{
struct
{
{
msg (MW, _("%s: Trailing garbage in long variable "
"name map."),
- handle_get_filename (r->fh));
+ fh_get_filename (r->fh));
break;
}
if (!var_is_valid_name (long_name, false))
{
msg (MW, _("%s: Long variable mapping to invalid "
"variable name `%s'."),
- handle_get_filename (r->fh), long_name);
+ fh_get_filename (r->fh), long_name);
break;
}
{
msg (MW, _("%s: Long variable mapping for "
"nonexistent variable %s."),
- handle_get_filename (r->fh), short_name);
+ fh_get_filename (r->fh), short_name);
+ break;
+ }
+
+ /* Identify any duplicates. */
+ if ( compare_var_names(short_name, long_name, 0) &&
+ NULL != dict_lookup_var (*dict, long_name))
+ {
+ lose ((ME, _("%s: Duplicate long variable name `%s' "
+ "within system file."),
+ fh_get_filename (r->fh), long_name));
break;
}
default:
msg (MW, _("%s: Unrecognized record type 7, subtype %d "
"encountered in system file."),
- handle_get_filename (r->fh), data.subtype);
+ fh_get_filename (r->fh), data.subtype);
skip = 1;
}
default:
corrupt_msg(MW, _("%s: Unrecognized record type %d."),
- handle_get_filename (r->fh), rec_type);
+ fh_get_filename (r->fh), rec_type);
}
}
if (size != sizeof (int32) || count != 8)
lose ((ME, _("%s: Bad size (%d) or count (%d) field on record type 7, "
"subtype 3. Expected size %d, count 8."),
- handle_get_filename (r->fh), size, count, sizeof (int32)));
+ fh_get_filename (r->fh), size, count, sizeof (int32)));
assertive_buf_read (r, data, sizeof data, 0);
if (r->reverse_endian)
lose ((ME, _("%s: Floating-point representation in system file is not "
"IEEE-754. PSPP cannot convert between floating-point "
"formats."),
- handle_get_filename (r->fh)));
+ fh_get_filename (r->fh)));
#else
#error Add support for your floating-point format.
#endif
if (file_bigendian ^ (data[6] == 1))
lose ((ME, _("%s: File-indicated endianness (%s) does not match "
"endianness intuited from file header (%s)."),
- handle_get_filename (r->fh),
+ fh_get_filename (r->fh),
file_bigendian ? _("big-endian") : _("little-endian"),
data[6] == 1 ? _("big-endian") : (data[6] == 2 ? _("little-endian")
: _("unknown"))));
if (data[7] != 2 && data[7] != 3)
lose ((ME, _("%s: File-indicated character representation code (%s) is "
"not ASCII."),
- handle_get_filename (r->fh),
+ fh_get_filename (r->fh),
(data[7] == 1 ? "EBCDIC"
: (data[7] == 4 ? _("DEC Kanji") : _("Unknown")))));
if (size != sizeof (flt64) || count != 3)
lose ((ME, _("%s: Bad size (%d) or count (%d) field on record type 7, "
"subtype 4. Expected size %d, count 8."),
- handle_get_filename (r->fh), size, count, sizeof (flt64)));
+ fh_get_filename (r->fh), size, count, sizeof (flt64)));
assertive_buf_read (r, data, sizeof data, 0);
if (r->reverse_endian)
"for at least one of the three system values. SYSMIS: "
"indicated %g, expected %g; HIGHEST: %g, %g; LOWEST: "
"%g, %g."),
- handle_get_filename (r->fh), (double) data[0], (double) SYSMIS,
+ fh_get_filename (r->fh), (double) data[0], (double) SYSMIS,
(double) data[1], (double) FLT64_MAX,
(double) data[2], (double) second_lowest_flt64);
}
if (strncmp ("$FL2", hdr.rec_type, 4) != 0)
lose ((ME, _("%s: Bad magic. Proper system files begin with "
"the four characters `$FL2'. This file will not be read."),
- handle_get_filename (r->fh)));
+ fh_get_filename (r->fh)));
/* Check eye-catcher string. */
memcpy (prod_name, hdr.prod_name, sizeof hdr.prod_name);
if (hdr.layout_code != 2)
lose ((ME, _("%s: File layout code has unexpected value %d. Value "
"should be 2, in big-endian or little-endian format."),
- handle_get_filename (r->fh), hdr.layout_code));
+ fh_get_filename (r->fh), hdr.layout_code));
r->reverse_endian = 1;
bswap_int32 (&hdr.case_size);
if (r->case_cnt < -1 || r->case_cnt > INT_MAX / 2)
lose ((ME,
_("%s: Number of cases in file (%ld) is not between -1 and %d."),
- handle_get_filename (r->fh), (long) r->case_cnt, INT_MAX / 2));
+ fh_get_filename (r->fh), (long) r->case_cnt, INT_MAX / 2));
r->bias = hdr.bias;
if (r->bias != 100.0)
corrupt_msg (MW, _("%s: Compression bias (%g) is not the usual "
"value of 100."),
- handle_get_filename (r->fh), r->bias);
+ fh_get_filename (r->fh), r->bias);
/* Make a file label only on the condition that the given label is
not all spaces or nulls. */
int long_string_count = 0; /* # of long string continuation
records still expected. */
int next_value = 0; /* Index to next `value' structure. */
- size_t var_cap = 0;
assert(r);
*var_by_idx = 0;
/* Pre-allocate variables. */
- if ( r->value_cnt != -1 )
- *var_by_idx = xmalloc(r->value_cnt * sizeof (**var_by_idx));
+ if (r->value_cnt != -1)
+ {
+ *var_by_idx = xnmalloc (r->value_cnt, sizeof **var_by_idx);
+ r->vars = xnmalloc (r->value_cnt, sizeof *r->vars);
+ }
/* Read in the entry for each variable and use the info to
for (i = 0; ; ++i)
{
struct variable *vv;
- char name[9];
+ char name[SHORT_NAME_LEN + 1];
int nv;
int j;
if (sv.rec_type != 2)
{
buf_unread(r, sizeof sv);
+ r->value_cnt = i;
break;
}
if ( -1 == r->value_cnt )
- *var_by_idx = xrealloc (*var_by_idx, sizeof **var_by_idx * (i+1) );
+ {
+ *var_by_idx = xnrealloc (*var_by_idx, i + 1, sizeof **var_by_idx);
+ r->vars = xnrealloc (r->vars, i + 1, sizeof *r->vars);
+ }
/* If there was a long string previously, make sure that the
continuations are present; otherwise make sure there aren't
if (sv.type != -1)
lose ((ME, _("%s: position %d: String variable does not have "
"proper number of continuation records."),
- handle_get_filename (r->fh), i));
+ fh_get_filename (r->fh), i));
+
+ r->vars[i].width = -1;
(*var_by_idx)[i] = NULL;
long_string_count--;
continue;
else if (sv.type == -1)
lose ((ME, _("%s: position %d: Superfluous long string continuation "
"record."),
- handle_get_filename (r->fh), i));
+ fh_get_filename (r->fh), i));
/* Check fields for validity. */
if (sv.type < 0 || sv.type > 255)
lose ((ME, _("%s: position %d: Bad variable type code %d."),
- handle_get_filename (r->fh), i, sv.type));
+ fh_get_filename (r->fh), i, sv.type));
if (sv.has_var_label != 0 && sv.has_var_label != 1)
lose ((ME, _("%s: position %d: Variable label indicator field is not "
- "0 or 1."), handle_get_filename (r->fh), i));
+ "0 or 1."), fh_get_filename (r->fh), i));
if (sv.n_missing_values < -3 || sv.n_missing_values > 3
|| sv.n_missing_values == -1)
lose ((ME, _("%s: position %d: Missing value indicator field is not "
- "-3, -2, 0, 1, 2, or 3."), handle_get_filename (r->fh), i));
+ "-3, -2, 0, 1, 2, or 3."), fh_get_filename (r->fh), i));
/* Copy first character of variable name. */
if (!isalpha ((unsigned char) sv.name[0])
&& sv.name[0] != '@' && sv.name[0] != '#')
lose ((ME, _("%s: position %d: Variable name begins with invalid "
"character."),
- handle_get_filename (r->fh), i));
+ fh_get_filename (r->fh), i));
if (islower ((unsigned char) sv.name[0]))
msg (MW, _("%s: position %d: Variable name begins with lowercase letter "
"%c."),
- handle_get_filename (r->fh), i, sv.name[0]);
+ fh_get_filename (r->fh), i, sv.name[0]);
if (sv.name[0] == '#')
msg (MW, _("%s: position %d: Variable name begins with octothorpe "
"(`#'). Scratch variables should not appear in system "
"files."),
- handle_get_filename (r->fh), i);
+ fh_get_filename (r->fh), i);
name[0] = toupper ((unsigned char) (sv.name[0]));
/* Copy remaining characters of variable name. */
{
msg (MW, _("%s: position %d: Variable name character %d is "
"lowercase letter %c."),
- handle_get_filename (r->fh), i, j + 1, sv.name[j]);
+ fh_get_filename (r->fh), i, j + 1, sv.name[j]);
name[j] = toupper ((unsigned char) (c));
}
else if (isalnum (c) || c == '.' || c == '@'
else
lose ((ME, _("%s: position %d: character `\\%03o' (%c) is not valid in a "
"variable name."),
- handle_get_filename (r->fh), i, c, c));
+ fh_get_filename (r->fh), i, c, c));
}
name[j] = 0;
+ if ( ! var_is_valid_name(name, false) )
+ lose ((ME, _("%s: Invalid variable name `%s' within system file."),
+ fh_get_filename (r->fh), name));
+
/* Create variable. */
+
vv = (*var_by_idx)[i] = dict_create_var (dict, name, sv.type);
if (vv == NULL)
lose ((ME, _("%s: Duplicate variable name `%s' within system file."),
- handle_get_filename (r->fh), name));
+ fh_get_filename (r->fh), name));
+
var_set_short_name (vv, vv->name);
/* Case reading data. */
if (len < 0 || len > 255)
lose ((ME, _("%s: Variable %s indicates variable label of invalid "
"length %d."),
- handle_get_filename (r->fh), vv->name, len));
+ fh_get_filename (r->fh), vv->name, len));
if ( len != 0 )
{
if (sv.n_missing_values != 0)
{
flt64 mv[3];
+ int mv_cnt = abs (sv.n_missing_values);
if (vv->width > MAX_SHORT_STRING)
lose ((ME, _("%s: Long string variable %s may not have missing "
"values."),
- handle_get_filename (r->fh), vv->name));
+ fh_get_filename (r->fh), vv->name));
- assertive_buf_read (r, mv, sizeof *mv * abs (sv.n_missing_values), 0);
+ assertive_buf_read (r, mv, sizeof *mv * mv_cnt, 0);
if (r->reverse_endian && vv->type == NUMERIC)
- for (j = 0; j < abs (sv.n_missing_values); j++)
+ for (j = 0; j < mv_cnt; j++)
bswap_flt64 (&mv[j]);
if (sv.n_missing_values > 0)
{
- vv->miss_type = sv.n_missing_values;
- if (vv->type == NUMERIC)
- for (j = 0; j < sv.n_missing_values; j++)
- vv->missing[j].f = mv[j];
- else
- for (j = 0; j < sv.n_missing_values; j++)
- memcpy (vv->missing[j].s, &mv[j], vv->width);
+ for (j = 0; j < sv.n_missing_values; j++)
+ if (vv->type == NUMERIC)
+ mv_add_num (&vv->miss, mv[j]);
+ else
+ mv_add_str (&vv->miss, (char *) &mv[j]);
}
else
{
- int x = 0;
-
if (vv->type == ALPHA)
lose ((ME, _("%s: String variable %s may not have missing "
"values specified as a range."),
- handle_get_filename (r->fh), vv->name));
+ fh_get_filename (r->fh), vv->name));
if (mv[0] == r->lowest)
- {
- vv->miss_type = MISSING_LOW;
- vv->missing[x++].f = mv[1];
- }
+ mv_add_num_range (&vv->miss, LOWEST, mv[1]);
else if (mv[1] == r->highest)
- {
- vv->miss_type = MISSING_HIGH;
- vv->missing[x++].f = mv[0];
- }
+ mv_add_num_range (&vv->miss, mv[0], HIGHEST);
else
- {
- vv->miss_type = MISSING_RANGE;
- vv->missing[x++].f = mv[0];
- vv->missing[x++].f = mv[1];
- }
+ mv_add_num_range (&vv->miss, mv[0], mv[1]);
if (sv.n_missing_values == -3)
- {
- vv->miss_type += 3;
- vv->missing[x++].f = mv[2];
- }
+ mv_add_num (&vv->miss, mv[2]);
}
}
- else
- vv->miss_type = MISSING_NONE;
if (!parse_format_spec (r, sv.print, &vv->print, vv)
|| !parse_format_spec (r, sv.write, &vv->write, vv))
goto error;
- /* Add variable to list. */
- if (var_cap >= r->var_cnt)
- {
- var_cap = 2 + r->var_cnt * 2;
- r->vars = xrealloc (r->vars, var_cap * sizeof *r->vars);
- }
- r->vars[r->var_cnt].width = vv->width;
- r->vars[r->var_cnt].fv = vv->fv;
- r->var_cnt++;
+ r->vars[i].width = vv->width;
+ r->vars[i].fv = vv->fv;
+
}
/* Some consistency checks. */
if (long_string_count != 0)
lose ((ME, _("%s: Long string continuation records omitted at end of "
"dictionary."),
- handle_get_filename (r->fh)));
+ fh_get_filename (r->fh)));
if (next_value != r->value_cnt)
corrupt_msg(MW, _("%s: System file header indicates %d variable positions but "
"%d were read from file."),
- handle_get_filename (r->fh), r->value_cnt, next_value);
+ fh_get_filename (r->fh), r->value_cnt, next_value);
+
return 1;
f->type = translate_fmt ((s >> 16) & 0xff);
if (f->type == -1)
lose ((ME, _("%s: Bad format specifier byte (%d)."),
- handle_get_filename (r->fh), (s >> 16) & 0xff));
+ fh_get_filename (r->fh), (s >> 16) & 0xff));
f->w = (s >> 8) & 0xff;
f->d = s & 0xff;
if ((v->type == ALPHA) ^ ((formats[f->type].cat & FCAT_STRING) != 0))
lose ((ME, _("%s: %s variable %s has %s format specifier %s."),
- handle_get_filename (r->fh),
+ fh_get_filename (r->fh),
v->type == ALPHA ? _("String") : _("Numeric"),
v->name,
formats[f->type].cat & FCAT_STRING ? _("string") : _("numeric"),
{
struct label
{
- unsigned char raw_value[8]; /* Value as uninterpreted bytes. */
+ char raw_value[8]; /* Value as uninterpreted bytes. */
union value value; /* Value. */
char *label; /* Null-terminated label string. */
};
if (r->reverse_endian)
bswap_int32 (&n_labels);
+ if ( n_labels >= ((int32) ~0) / sizeof *labels)
+ {
+ corrupt_msg(MW, _("%s: Invalid number of labels: %d. Ignoring labels."),
+ fh_get_filename (r->fh), n_labels);
+ n_labels = 0;
+ }
+
/* Allocate memory. */
- labels = xmalloc (n_labels * sizeof *labels);
+ labels = xcalloc (n_labels, sizeof *labels);
for (i = 0; i < n_labels; i++)
labels[i].label = NULL;
if (rec_type != 4)
lose ((ME, _("%s: Variable index record (type 4) does not immediately "
"follow value label record (type 3) as it should."),
- handle_get_filename (r->fh)));
+ fh_get_filename (r->fh)));
}
/* Read number of variables associated with value label from type 4
if (n_vars < 1 || n_vars > dict_get_var_cnt (dict))
lose ((ME, _("%s: Number of variables associated with a value label (%d) "
"is not between 1 and the number of variables (%d)."),
- handle_get_filename (r->fh), n_vars, dict_get_var_cnt (dict)));
+ fh_get_filename (r->fh), n_vars, dict_get_var_cnt (dict)));
/* Read the list of variables. */
- var = xmalloc (n_vars * sizeof *var);
+ var = xnmalloc (n_vars, sizeof *var);
for (i = 0; i < n_vars; i++)
{
int32 var_idx;
if (var_idx < 1 || var_idx > r->value_cnt)
lose ((ME, _("%s: Variable index associated with value label (%d) is "
"not between 1 and the number of values (%d)."),
- handle_get_filename (r->fh), var_idx, r->value_cnt));
+ fh_get_filename (r->fh), var_idx, r->value_cnt));
/* Make sure it's a real variable. */
v = var_by_idx[var_idx - 1];
lose ((ME, _("%s: Variable index associated with value label (%d) "
"refers to a continuation of a string variable, not to "
"an actual variable."),
- handle_get_filename (r->fh), var_idx));
+ fh_get_filename (r->fh), var_idx));
if (v->type == ALPHA && v->width > MAX_SHORT_STRING)
lose ((ME, _("%s: Value labels are not allowed on long string "
"variables (%s)."),
- handle_get_filename (r->fh), v->name));
+ fh_get_filename (r->fh), v->name));
/* Add it to the list of variables. */
var[i] = v;
lose ((ME, _("%s: Variables associated with value label are not all of "
"identical type. Variable %s has %s type, but variable "
"%s has %s type."),
- handle_get_filename (r->fh),
+ fh_get_filename (r->fh),
var[0]->name, var[0]->type == ALPHA ? _("string") : _("numeric"),
var[i]->name, var[i]->type == ALPHA ? _("string") : _("numeric")));
if (var[0]->type == ALPHA)
{
- const int copy_len = min (sizeof (label->raw_value),
- sizeof (label->label));
+ const int copy_len = min (sizeof label->raw_value,
+ sizeof label->label);
memcpy (label->value.s, label->raw_value, copy_len);
} else {
flt64 f;
if (var[0]->type == NUMERIC)
msg (MW, _("%s: File contains duplicate label for value %g for "
"variable %s."),
- handle_get_filename (r->fh), label->value.f, v->name);
+ fh_get_filename (r->fh), label->value.f, v->name);
else
msg (MW, _("%s: File contains duplicate label for value `%.*s' "
"for variable %s."),
- handle_get_filename (r->fh), v->width, label->value.s, v->name);
+ fh_get_filename (r->fh), v->width, label->value.s, v->name);
}
}
{
if (ferror (r->file))
msg (ME, _("%s: Reading system file: %s."),
- handle_get_filename (r->fh), strerror (errno));
+ fh_get_filename (r->fh), strerror (errno));
else
corrupt_msg (ME, _("%s: Unexpected end of file."),
- handle_get_filename (r->fh));
+ fh_get_filename (r->fh));
return NULL;
}
return buf;
if ( 0 != fseek(r->file, -byte_cnt, SEEK_CUR))
{
msg (ME, _("%s: Seeking system file: %s."),
- handle_get_filename (r->fh), strerror (errno));
+ fh_get_filename (r->fh), strerror (errno));
}
}
if (dict_get_documents (dict) != NULL)
lose ((ME, _("%s: System file contains multiple "
"type 6 (document) records."),
- handle_get_filename (r->fh)));
+ fh_get_filename (r->fh)));
assertive_buf_read (r, &line_cnt, sizeof line_cnt, 0);
if (line_cnt <= 0)
lose ((ME, _("%s: Number of document lines (%ld) "
"must be greater than 0."),
- handle_get_filename (r->fh), (long) line_cnt));
+ fh_get_filename (r->fh), (long) line_cnt));
documents = buf_read (r, NULL, 80 * line_cnt, line_cnt * 80 + 1);
/* FIXME? Run through asciify. */
size_t amt;
if (r->buf == NULL)
- r->buf = xmalloc (sizeof *r->buf * 128);
+ r->buf = xnmalloc (128, sizeof *r->buf);
amt = fread (r->buf, sizeof *r->buf, 128, r->file);
if (ferror (r->file))
{
msg (ME, _("%s: Error reading file: %s."),
- handle_get_filename (r->fh), strerror (errno));
+ fh_get_filename (r->fh), strerror (errno));
return 0;
}
r->ptr = r->buf;
for (;;)
{
- for (; p < p_end; p++)
+ for (; p < p_end; p++){
switch (*p)
{
case 0:
if (buf_beg != buf)
lose ((ME, _("%s: Compressed data is corrupted. Data ends "
"in partial case."),
- handle_get_filename (r->fh)));
+ fh_get_filename (r->fh)));
goto error;
case 253:
/* Code 253 indicates that the value is stored explicitly
if (!buffer_input (r))
{
lose ((ME, _("%s: Unexpected end of file."),
- handle_get_filename (r->fh)));
+ fh_get_filename (r->fh)));
goto error;
}
memcpy (buf++, r->ptr++, sizeof *buf);
goto success;
break;
}
-
+ }
/* We have reached the end of this instruction octet. Read
another. */
if (r->ptr == NULL || r->ptr >= r->end)
{
if (buf_beg != buf)
lose ((ME, _("%s: Unexpected end of file."),
- handle_get_filename (r->fh)));
+ fh_get_filename (r->fh)));
goto error;
}
memcpy (r->x, r->ptr++, sizeof *buf);
{
int i;
- for (i = 0; i < r->var_cnt; i++)
+ for (i = 0; i < r->value_cnt; i++)
if (r->vars[i].width == 0)
bswap_flt64 (&case_data_rw (c, r->vars[i].fv)->f);
}
{
int i;
- for (i = 0; i < r->var_cnt; i++)
+ for (i = 0; i < r->value_cnt; i++)
if (r->vars[i].width == 0 && case_num (c, i) == r->sysmis)
case_data_rw (c, r->vars[i].fv)->f = SYSMIS;
}
return 0;
}
- for (i = 0; i < r->var_cnt; i++)
+ for (i = 0; i < r->value_cnt; i++)
{
struct sfm_var *v = &r->vars[i];
flt64 f = *bounce_cur++;
if (r->reverse_endian)
bswap_flt64 (&f);
- case_data_rw (c, i)->f = f == r->sysmis ? SYSMIS : f;
+ case_data_rw (c, v->fv)->f = f == r->sysmis ? SYSMIS : f;
}
- else
+ else if (v->width != -1)
{
memcpy (case_data_rw (c, v->fv)->s, bounce_cur, v->width);
bounce_cur += DIV_RND_UP (v->width, sizeof (flt64));
{
if (ferror (r->file))
msg (ME, _("%s: Reading system file: %s."),
- handle_get_filename (r->fh), strerror (errno));
+ fh_get_filename (r->fh), strerror (errno));
else if (read_bytes != 0)
msg (ME, _("%s: Partial record at end of system file."),
- handle_get_filename (r->fh));
+ fh_get_filename (r->fh));
return 0;
}
}
+\f
+/* Returns true if FILE is an SPSS system file,
+ false otherwise. */
+bool
+sfm_detect (FILE *file)
+{
+ struct sysfile_header hdr;
+
+ if (fread (&hdr, sizeof hdr, 1, file) != 1)
+ return false;
+ if (strncmp ("$FL2", hdr.rec_type, 4))
+ return false;
+ return true;
+}
projects / pspp-builds.git / blobdiff