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Handle null string pointers.

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This commit is contained in:
Bill Currie 2011-02-14 14:20:05 +09:00
parent e10d561459
commit 352be1f8bd
1 changed files with 2 additions and 0 deletions
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2
tools/qfcc/source/dot_flow.c
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@ -55,6 +55,8 @@ quote_string (const char *str)
static dstring_t *q;
char c[2] = {0, 0};
if (!str)
return "(null)";
if (!q)
q = dstring_new ();
dstring_clearstr (q);