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Double quote dag labels.

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Dot interprets escape sequences in non-html string, and needs the quotes to
be escaped, so quote the result of operand_string. Unfortunately,
operand_string uses quote_string and quote_string returns a static pointer,
so some hoop-jumping is necessary.
This commit is contained in:
Bill Currie 2012-10-30 12:28:22 +09:00
parent cdc790d0c8
commit 5acf474882
1 changed files with 10 additions and 1 deletions
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11
tools/qfcc/source/dags.c
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@ -39,10 +39,13 @@
#endif
#include <stdlib.h>
#include "QF/dstring.h"
#include "dags.h"
#include "diagnostic.h"
#include "qfcc.h"
#include "statements.h"
#include "strpool.h"
#include "symtab.h"
static daglabel_t *free_labels;
@ -93,11 +96,17 @@ new_node (void)
const char *
daglabel_string (daglabel_t *label)
{
static dstring_t *str;
if ((label->opcode && label->op) || (!label->opcode && !label->op))
return "bad label";
if (label->opcode)
return label->opcode;
return operand_string (label->op);
if (!str)
str = dstring_new ();
// operand_string might use quote_string, which returns a pointer to
// a static variable.
dstring_copystr (str, operand_string (label->op));
return quote_string (str->str);
}
static daglabel_t *