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Mon Apr 28 17:27:40 1997 Michael Snyder <msnyder@cleaver.cygnus.com>

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* c-exp.y, java-exp.y: make parse_number reject "123DEADBEEF".
        (fix by Bob Manson).
This commit is contained in:
Michael Snyder 1997-04-29 01:02:37 +00:00
parent 6a85a617df
commit d030f469c1
3 changed files with 24 additions and 12 deletions
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2
gdb/ChangeLog
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@ -1,5 +1,7 @@
Mon Apr 28 17:27:40 1997 Michael Snyder <msnyder@cleaver.cygnus.com>
* c-exp.y, java-exp.y: make parse_number reject "123DEADBEEF".
(fix by Bob Manson).
* top.c: change "to enable to enable" to "to enable" in a couple
of help strings.

18
gdb/c-exp.y
View file

@ -933,28 +933,32 @@ parse_number (p, len, parsed_float, putithere)
if (parsed_float)
{
char c;
/* It's a float since it contains a point or an exponent. */
char c;
int num = 0; /* number of tokens scanned by scanf */
char saved_char = p[len];
p[len] = 0; /* null-terminate the token */
if (sizeof (putithere->typed_val_float.dval) <= sizeof (float))
sscanf (p, "%g", &putithere->typed_val_float.dval);
num = sscanf (p, "%g%c", &putithere->typed_val_float.dval,&c);
else if (sizeof (putithere->typed_val_float.dval) <= sizeof (double))
sscanf (p, "%lg", &putithere->typed_val_float.dval);
num = sscanf (p, "%lg%c", &putithere->typed_val_float.dval,&c);
else
{
#ifdef PRINTF_HAS_LONG_DOUBLE
sscanf (p, "%Lg", &putithere->typed_val_float.dval);
num = sscanf (p, "%Lg%c", &putithere->typed_val_float.dval,&c);
#else
/* Scan it into a double, then assign it to the long double.
This at least wins with values representable in the range
of doubles. */
double temp;
sscanf (p, "%lg", &temp);
num = sscanf (p, "%lg%c", &temp,&c);
putithere->typed_val_float.dval = temp;
#endif
}
p[len] = saved_char; /* restore the input stream */
if (num != 1) /* check scanf found ONLY a float ... */
return ERROR;
/* See if it has `f' or `l' suffix (float or long double). */
c = tolower (p[len - 1]);

16
gdb/java-exp.y
View file

@ -646,25 +646,31 @@ parse_number (p, len, parsed_float, putithere)
if (parsed_float)
{
/* It's a float since it contains a point or an exponent. */
char c;
int num = 0; /* number of tokens scanned by scanf */
char saved_char = p[len];
p[len] = 0; /* null-terminate the token */
if (sizeof (putithere->typed_val_float.dval) <= sizeof (float))
sscanf (p, "%g", &putithere->typed_val_float.dval);
num = sscanf (p, "%g%c", &putithere->typed_val_float.dval, &c);
else if (sizeof (putithere->typed_val_float.dval) <= sizeof (double))
sscanf (p, "%lg", &putithere->typed_val_float.dval);
num = sscanf (p, "%lg%c", &putithere->typed_val_float.dval, &c);
else
{
#ifdef PRINTF_HAS_LONG_DOUBLE
sscanf (p, "%Lg", &putithere->typed_val_float.dval);
num = sscanf (p, "%Lg%c", &putithere->typed_val_float.dval, &c);
#else
/* Scan it into a double, then assign it to the long double.
This at least wins with values representable in the range
of doubles. */
double temp;
sscanf (p, "%lg", &temp);
num = sscanf (p, "%lg%c", &temp, &c);
putithere->typed_val_float.dval = temp;
#endif
}
p[len] = saved_char; /* restore the input stream */
if (num != 1) /* check scanf found ONLY a float ... */
return ERROR;
/* See if it has `f' or `d' suffix (float or double). */
c = tolower (p[len - 1]);