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-rw-r--r--gdb/cli/cli-utils.c64
1 files changed, 36 insertions, 28 deletions
diff --git a/gdb/cli/cli-utils.c b/gdb/cli/cli-utils.c
index 133ac53..2cce068 100644
--- a/gdb/cli/cli-utils.c
+++ b/gdb/cli/cli-utils.c
@@ -117,19 +117,25 @@ get_number (char **pp)
/* See documentation in cli-utils.h. */
-int
-get_number_or_range (char **pp)
+void
+init_number_or_range (struct get_number_or_range_state *state,
+ char *string)
{
- static int last_retval, end_value;
- static char *end_ptr;
- static int in_range = 0;
+ memset (state, 0, sizeof (*state));
+ state->string = string;
+}
+
+/* See documentation in cli-utils.h. */
- if (**pp != '-')
+int
+get_number_or_range (struct get_number_or_range_state *state)
+{
+ if (*state->string != '-')
{
- /* Default case: pp is pointing either to a solo number,
- or to the first number of a range. */
- last_retval = get_number_trailer (pp, '-');
- if (**pp == '-')
+ /* Default case: state->string is pointing either to a solo
+ number, or to the first number of a range. */
+ state->last_retval = get_number_trailer (&state->string, '-');
+ if (*state->string == '-')
{
char **temp;
@@ -137,44 +143,43 @@ get_number_or_range (char **pp)
Skip the '-', parse and remember the second number,
and also remember the end of the final token. */
- temp = &end_ptr;
- end_ptr = *pp + 1;
- while (isspace ((int) *end_ptr))
- end_ptr++; /* skip white space */
- end_value = get_number (temp);
- if (end_value < last_retval)
+ temp = &state->end_ptr;
+ state->end_ptr = skip_spaces (state->string + 1);
+ state->end_value = get_number (temp);
+ if (state->end_value < state->last_retval)
{
error (_("inverted range"));
}
- else if (end_value == last_retval)
+ else if (state->end_value == state->last_retval)
{
/* Degenerate range (number1 == number2). Advance the
token pointer so that the range will be treated as a
single number. */
- *pp = end_ptr;
+ state->string = state->end_ptr;
}
else
- in_range = 1;
+ state->in_range = 1;
}
}
- else if (! in_range)
+ else if (! state->in_range)
error (_("negative value"));
else
{
- /* pp points to the '-' that betokens a range. All
+ /* state->string points to the '-' that betokens a range. All
number-parsing has already been done. Return the next
integer value (one greater than the saved previous value).
- Do not advance the token pointer 'pp' until the end of range
+ Do not advance the token pointer until the end of range
is reached. */
- if (++last_retval == end_value)
+ if (++state->last_retval == state->end_value)
{
/* End of range reached; advance token pointer. */
- *pp = end_ptr;
- in_range = 0;
+ state->string = state->end_ptr;
+ state->in_range = 0;
}
}
- return last_retval;
+ state->finished = *state->string == '\0';
+ return state->last_retval;
}
/* Accept a number and a string-form list of numbers such as is
@@ -188,12 +193,15 @@ get_number_or_range (char **pp)
int
number_is_in_list (char *list, int number)
{
+ struct get_number_or_range_state state;
+
if (list == NULL || *list == '\0')
return 1;
- while (*list != '\0')
+ init_number_or_range (&state, list);
+ while (!state.finished)
{
- int gotnum = get_number_or_range (&list);
+ int gotnum = get_number_or_range (&state);
if (gotnum == 0)
error (_("Args must be numbers or '$' variables."));