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exslt: Fix EXSLT functions without parameters

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Fix regression from commit 7364666b on platforms where malloc(0) returns
NULL.

Should fix #100.
This commit is contained in:
Nick Wellnhofer
2023-12-06 19:00:04 +01:00
parent 86ec392efd
commit c5c66dfbf5
1 changed files with 9 additions and 7 deletions
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16
libexslt/functions.c
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@@ -385,13 +385,15 @@ exsltFuncFunctionFunction (xmlXPathParserContextPtr ctxt, int nargs) {
newBase = tctxt->varsNr;
/* If there are any parameters */
if (paramNode != NULL) {
args = (xmlXPathObjectPtr *) xmlMalloc(sizeof(*args) * nargs);
if (args == NULL)
goto error;
/* Fetch the stored argument values from the caller */
for (i = nargs - 1; i >= 0; i--) {
args[i] = valuePop(ctxt);
}
if (nargs > 0) {
args = (xmlXPathObjectPtr *) xmlMalloc(sizeof(*args) * nargs);
if (args == NULL)
goto error;
/* Fetch the stored argument values from the caller */
for (i = nargs - 1; i >= 0; i--) {
args[i] = valuePop(ctxt);
}
}
/*
* Prepare to process params in reverse order. First, go to