30e8af2f82
- add 0009-Make-generate-id-deterministic.patch from debian's reproducible builds project to avoid randomness in generated IDs OBS-URL: https://build.opensuse.org/request/show/283643 OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/libxslt?expand=0&rev=45
66 lines
2.0 KiB
Diff
66 lines
2.0 KiB
Diff
Description: Make generate-id() return identifiers in a deterministic way
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generate-id() used to return identifiers based on the memory address of
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the node object. This unfortunately prevents documentation to be built
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reproducily. Instead, we now increment a static counter and store its
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value in the node _private on the first invocation of generate-id().
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Author: Jérémy Bobbio <lunar@debian.org>
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--- libxslt-1.1.28.orig/libxslt/functions.c
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+++ libxslt-1.1.28/libxslt/functions.c
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@@ -660,12 +660,11 @@ xsltFormatNumberFunction(xmlXPathParserC
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*/
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void
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xsltGenerateIdFunction(xmlXPathParserContextPtr ctxt, int nargs){
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- static char base_address;
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+ static unsigned long next_id = 1;
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xmlNodePtr cur = NULL;
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xmlXPathObjectPtr obj = NULL;
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- long val;
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+ unsigned long val;
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xmlChar str[30];
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- xmlDocPtr doc;
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if (nargs == 0) {
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cur = ctxt->context->node;
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@@ -698,31 +697,20 @@ xsltGenerateIdFunction(xmlXPathParserCon
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ctxt->error = XPATH_INVALID_ARITY;
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return;
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}
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- /*
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- * Okay this is ugly but should work, use the NodePtr address
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- * to forge the ID
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- */
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- if (cur->type != XML_NAMESPACE_DECL)
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- doc = cur->doc;
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- else {
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- xmlNsPtr ns = (xmlNsPtr) cur;
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-
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- if (ns->context != NULL)
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- doc = ns->context;
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- else
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- doc = ctxt->context->doc;
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-
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- }
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if (obj)
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xmlXPathFreeObject(obj);
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- val = (long)((char *)cur - (char *)&base_address);
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- if (val >= 0) {
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- sprintf((char *)str, "idp%ld", val);
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- } else {
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- sprintf((char *)str, "idm%ld", -val);
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+ if (cur->_private == NULL) {
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+ cur->_private = xmlMalloc(sizeof (unsigned long));
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+ if (cur->_private == NULL) {
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+ xmlGenericError(xmlGenericErrorContext, "malloc failed !\n");
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+ }
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+ *((unsigned long *)cur->_private) = next_id++;
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}
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+ val = *((unsigned long *)cur->_private);
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+
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+ sprintf((char *)str, "id%lu", val);
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valuePush(ctxt, xmlXPathNewString(str));
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}
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