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BR 1582430: Allow numbers with leading + or - for %ifnum

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Allow numbers with a leading + or - to return true for %ifnum.
This commit is contained in:
H. Peter Anvin
2008-02-16 13:44:52 -08:00
parent 373281afde
commit 927c92b478
1 changed files with 11 additions and 7 deletions
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18
preproc.c
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@@ -1584,13 +1584,17 @@ static bool if_condition(Token * tline, enum preproc_token ct)
goto iftype; goto iftype;
iftype: iftype:
tline = expand_smacro(tline); tline = expand_smacro(tline);
t = tline; t = tline;
while (tok_type_(t, TOK_WHITESPACE))
t = t->next; while (tok_type_(t, TOK_WHITESPACE) ||
j = false; /* placate optimiser */ (needtype == TOK_NUMBER &&
if (t) tok_type_(t, TOK_OTHER) &&
j = t->type == needtype; (t->text[0] == '-' || t->text[0] == '+') &&
!t->text[1]))
t = t->next;
j = t && t->type == needtype;
break; break;
case PPC_IF: case PPC_IF: