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Don't call printf with NULL string in runtest.c

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Avoids undefined behavior causing problems on HP-UX and Solaris.

Closes #78.
This commit is contained in:
Daniel Richard G 2019-08-01 15:01:47 +02:00 committed by Nick Wellnhofer
parent 2f2bf4b2ca
commit 6c91dd9495
1 changed files with 2 additions and 0 deletions
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runtest.c
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@ -880,6 +880,8 @@ internalSubsetDebug(void *ctx ATTRIBUTE_UNUSED, const xmlChar *name,
callbacks++;
if (quiet)
return;
if (name == NULL)
name = BAD_CAST "(null)";
fprintf(SAXdebug, "SAX.internalSubset(%s,", name);
if (ExternalID == NULL)
fprintf(SAXdebug, " ,");