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Fix buffer overflow reported by John Darrington.
[pspp]
/
src
/
language
/
data-io
/
inpt-pgm.c
diff --git
a/src/language/data-io/inpt-pgm.c
b/src/language/data-io/inpt-pgm.c
index 11b633195b0e4f3715ee1ad5c1d7e2f0f016d02e..f07e119a40808859f376d1f65d5157dbccdceed4 100644
(file)
--- a/
src/language/data-io/inpt-pgm.c
+++ b/
src/language/data-io/inpt-pgm.c
@@
-97,19
+97,19
@@
in_input_program (void)
/* Emits an END CASE transformation for INP. */
static void
/* Emits an END CASE transformation for INP. */
static void
-emit_END_CASE (struct input_program_pgm *inp)
+emit_END_CASE (struct
dataset *ds, struct
input_program_pgm *inp)
{
{
- add_transformation (end_case_trns_proc, NULL, inp);
+ add_transformation (
ds,
end_case_trns_proc, NULL, inp);
}
int
}
int
-cmd_input_program (
void
)
+cmd_input_program (
struct dataset *ds
)
{
struct input_program_pgm *inp;
size_t i;
bool saw_END_CASE = false;
{
struct input_program_pgm *inp;
size_t i;
bool saw_END_CASE = false;
- discard_variables ();
+ discard_variables (
ds
);
if (token != '.')
return lex_end_of_command ();
if (token != '.')
return lex_end_of_command ();
@@
-120,12
+120,12
@@
cmd_input_program (void)
inside_input_program = true;
for (;;)
{
inside_input_program = true;
for (;;)
{
- enum cmd_result result = cmd_parse (CMD_STATE_INPUT_PROGRAM);
+ enum cmd_result result = cmd_parse (
ds,
CMD_STATE_INPUT_PROGRAM);
if (result == CMD_END_INPUT_PROGRAM)
break;
else if (result == CMD_END_CASE)
{
if (result == CMD_END_INPUT_PROGRAM)
break;
else if (result == CMD_END_CASE)
{
- emit_END_CASE (inp);
+ emit_END_CASE (
ds,
inp);
saw_END_CASE = true;
}
else if (cmd_result_is_failure (result) && result != CMD_FAILURE)
saw_END_CASE = true;
}
else if (cmd_result_is_failure (result) && result != CMD_FAILURE)
@@
-133,34
+133,34
@@
cmd_input_program (void)
if (result == CMD_EOF)
msg (SE, _("Unexpected end-of-file within INPUT PROGRAM."));
inside_input_program = false;
if (result == CMD_EOF)
msg (SE, _("Unexpected end-of-file within INPUT PROGRAM."));
inside_input_program = false;
- discard_variables ();
+ discard_variables (
ds
);
destroy_input_program (inp);
return result;
}
}
if (!saw_END_CASE)
destroy_input_program (inp);
return result;
}
}
if (!saw_END_CASE)
- emit_END_CASE (inp);
+ emit_END_CASE (
ds,
inp);
inside_input_program = false;
inside_input_program = false;
- if (dict_get_next_value_idx (d
efault_dict
) == 0)
+ if (dict_get_next_value_idx (d
ataset_dict (ds)
) == 0)
{
msg (SE, _("Input program did not create any variables."));
{
msg (SE, _("Input program did not create any variables."));
- discard_variables ();
+ discard_variables (
ds
);
destroy_input_program (inp);
return CMD_FAILURE;
}
destroy_input_program (inp);
return CMD_FAILURE;
}
- inp->trns_chain = proc_capture_transformations ();
+ inp->trns_chain = proc_capture_transformations (
ds
);
trns_chain_finalize (inp->trns_chain);
/* Figure out how to initialize each input case. */
trns_chain_finalize (inp->trns_chain);
/* Figure out how to initialize each input case. */
- inp->init_cnt = dict_get_next_value_idx (d
efault_dict
);
+ inp->init_cnt = dict_get_next_value_idx (d
ataset_dict (ds)
);
inp->init = xnmalloc (inp->init_cnt, sizeof *inp->init);
for (i = 0; i < inp->init_cnt; i++)
inp->init[i] = -1;
inp->init = xnmalloc (inp->init_cnt, sizeof *inp->init);
for (i = 0; i < inp->init_cnt; i++)
inp->init[i] = -1;
- for (i = 0; i < dict_get_var_cnt (d
efault_dict
); i++)
+ for (i = 0; i < dict_get_var_cnt (d
ataset_dict (ds)
); i++)
{
{
- struct variable *var = dict_get_var (d
efault_dict
, i);
+ struct variable *var = dict_get_var (d
ataset_dict (ds)
, i);
enum value_init_type value_init;
size_t j;
enum value_init_type value_init;
size_t j;
@@
-172,15
+172,16
@@
cmd_input_program (void)
}
for (i = 0; i < inp->init_cnt; i++)
assert (inp->init[i] != -1);
}
for (i = 0; i < inp->init_cnt; i++)
assert (inp->init[i] != -1);
- inp->case_size = dict_get_case_size (d
efault_dict
);
+ inp->case_size = dict_get_case_size (d
ataset_dict (ds)
);
- proc_set_source (create_case_source (&input_program_source_class, inp));
+ proc_set_source (ds,
+ create_case_source (&input_program_source_class, inp));
return CMD_SUCCESS;
}
int
return CMD_SUCCESS;
}
int
-cmd_end_input_program (
void
)
+cmd_end_input_program (
struct dataset *ds UNUSED
)
{
assert (in_input_program ());
return CMD_END_INPUT_PROGRAM;
{
assert (in_input_program ());
return CMD_END_INPUT_PROGRAM;
@@
-287,7
+288,7
@@
static const struct case_source_class input_program_source_class =
};
\f
int
};
\f
int
-cmd_end_case (
void
)
+cmd_end_case (
struct dataset *ds UNUSED
)
{
assert (in_input_program ());
if (token == '.')
{
assert (in_input_program ());
if (token == '.')
@@
-297,7
+298,7
@@
cmd_end_case (void)
/* Sends the current case as the source's output. */
int
/* Sends the current case as the source's output. */
int
-end_case_trns_proc (void *inp_, struct ccase *c, casenum
_t
case_nr UNUSED)
+end_case_trns_proc (void *inp_, struct ccase *c, casenum
ber
case_nr UNUSED)
{
struct input_program_pgm *inp = inp_;
{
struct input_program_pgm *inp = inp_;
@@
-318,7
+319,7
@@
struct reread_trns
/* Parses REREAD command. */
int
/* Parses REREAD command. */
int
-cmd_reread (
void
)
+cmd_reread (
struct dataset *ds
)
{
struct file_handle *fh; /* File to be re-read. */
struct expression *e; /* Expression for column to set. */
{
struct file_handle *fh; /* File to be re-read. */
struct expression *e; /* Expression for column to set. */
@@
-339,7
+340,7
@@
cmd_reread (void)
return CMD_CASCADING_FAILURE;
}
return CMD_CASCADING_FAILURE;
}
- e = expr_parse (d
efault_dict
, EXPR_NUMBER);
+ e = expr_parse (d
s
, EXPR_NUMBER);
if (!e)
return CMD_CASCADING_FAILURE;
}
if (!e)
return CMD_CASCADING_FAILURE;
}
@@
-363,14
+364,14
@@
cmd_reread (void)
t = xmalloc (sizeof *t);
t->reader = dfm_open_reader (fh);
t->column = e;
t = xmalloc (sizeof *t);
t->reader = dfm_open_reader (fh);
t->column = e;
- add_transformation (reread_trns_proc, reread_trns_free, t);
+ add_transformation (
ds,
reread_trns_proc, reread_trns_free, t);
return CMD_SUCCESS;
}
/* Executes a REREAD transformation. */
static int
return CMD_SUCCESS;
}
/* Executes a REREAD transformation. */
static int
-reread_trns_proc (void *t_, struct ccase *c, casenum
_t
case_num)
+reread_trns_proc (void *t_, struct ccase *c, casenum
ber
case_num)
{
struct reread_trns *t = t_;
{
struct reread_trns *t = t_;
@@
-404,11
+405,11
@@
reread_trns_free (void *t_)
/* Parses END FILE command. */
int
/* Parses END FILE command. */
int
-cmd_end_file (
void
)
+cmd_end_file (
struct dataset *ds
)
{
assert (in_input_program ());
{
assert (in_input_program ());
- add_transformation (end_file_trns_proc, NULL, NULL);
+ add_transformation (
ds,
end_file_trns_proc, NULL, NULL);
return lex_end_of_command ();
}
return lex_end_of_command ();
}
@@
-416,7
+417,7
@@
cmd_end_file (void)
/* Executes an END FILE transformation. */
static int
end_file_trns_proc (void *trns_ UNUSED, struct ccase *c UNUSED,
/* Executes an END FILE transformation. */
static int
end_file_trns_proc (void *trns_ UNUSED, struct ccase *c UNUSED,
- casenum
_t
case_num UNUSED)
+ casenum
ber
case_num UNUSED)
{
return TRNS_END_FILE;
}
{
return TRNS_END_FILE;
}