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Diffstat (limited to 'libxml2-2.9.10/error.c')
| -rw-r--r-- | libxml2-2.9.10/error.c | 998 |
1 files changed, 998 insertions, 0 deletions
diff --git a/libxml2-2.9.10/error.c b/libxml2-2.9.10/error.c new file mode 100644 index 0000000..b7d5b36 --- /dev/null +++ b/libxml2-2.9.10/error.c @@ -0,0 +1,998 @@ +/* + * error.c: module displaying/handling XML parser errors + * + * See Copyright for the status of this software. + * + * Daniel Veillard <daniel@veillard.com> + */ + +#define IN_LIBXML +#include "libxml.h" + +#include <string.h> +#include <stdarg.h> +#include <libxml/parser.h> +#include <libxml/xmlerror.h> +#include <libxml/xmlmemory.h> +#include <libxml/globals.h> + +void XMLCDECL xmlGenericErrorDefaultFunc (void *ctx ATTRIBUTE_UNUSED, + const char *msg, + ...) LIBXML_ATTR_FORMAT(2,3); + +#define XML_GET_VAR_STR(msg, str) { \ + int size, prev_size = -1; \ + int chars; \ + char *larger; \ + va_list ap; \ + \ + str = (char *) xmlMalloc(150); \ + if (str != NULL) { \ + \ + size = 150; \ + \ + while (size < 64000) { \ + va_start(ap, msg); \ + chars = vsnprintf(str, size, msg, ap); \ + va_end(ap); \ + if ((chars > -1) && (chars < size)) { \ + if (prev_size == chars) { \ + break; \ + } else { \ + prev_size = chars; \ + } \ + } \ + if (chars > -1) \ + size += chars + 1; \ + else \ + size += 100; \ + if ((larger = (char *) xmlRealloc(str, size)) == NULL) {\ + break; \ + } \ + str = larger; \ + }} \ +} + +/************************************************************************ + * * + * Handling of out of context errors * + * * + ************************************************************************/ + +/** + * xmlGenericErrorDefaultFunc: + * @ctx: an error context + * @msg: the message to display/transmit + * @...: extra parameters for the message display + * + * Default handler for out of context error messages. + */ +void XMLCDECL +xmlGenericErrorDefaultFunc(void *ctx ATTRIBUTE_UNUSED, const char *msg, ...) { + va_list args; + + if (xmlGenericErrorContext == NULL) + xmlGenericErrorContext = (void *) stderr; + + va_start(args, msg); + vfprintf((FILE *)xmlGenericErrorContext, msg, args); + va_end(args); +} + +/** + * initGenericErrorDefaultFunc: + * @handler: the handler + * + * Set or reset (if NULL) the default handler for generic errors + * to the builtin error function. + */ +void +initGenericErrorDefaultFunc(xmlGenericErrorFunc * handler) +{ + if (handler == NULL) + xmlGenericError = xmlGenericErrorDefaultFunc; + else + xmlGenericError = (*handler); +} + +/** + * xmlSetGenericErrorFunc: + * @ctx: the new error handling context + * @handler: the new handler function + * + * Function to reset the handler and the error context for out of + * context error messages. + * This simply means that @handler will be called for subsequent + * error messages while not parsing nor validating. And @ctx will + * be passed as first argument to @handler + * One can simply force messages to be emitted to another FILE * than + * stderr by setting @ctx to this file handle and @handler to NULL. + * For multi-threaded applications, this must be set separately for each thread. + */ +void +xmlSetGenericErrorFunc(void *ctx, xmlGenericErrorFunc handler) { + xmlGenericErrorContext = ctx; + if (handler != NULL) + xmlGenericError = handler; + else + xmlGenericError = xmlGenericErrorDefaultFunc; +} + +/** + * xmlSetStructuredErrorFunc: + * @ctx: the new error handling context + * @handler: the new handler function + * + * Function to reset the handler and the error context for out of + * context structured error messages. + * This simply means that @handler will be called for subsequent + * error messages while not parsing nor validating. And @ctx will + * be passed as first argument to @handler + * For multi-threaded applications, this must be set separately for each thread. + */ +void +xmlSetStructuredErrorFunc(void *ctx, xmlStructuredErrorFunc handler) { + xmlStructuredErrorContext = ctx; + xmlStructuredError = handler; +} + +/************************************************************************ + * * + * Handling of parsing errors * + * * + ************************************************************************/ + +/** + * xmlParserPrintFileInfo: + * @input: an xmlParserInputPtr input + * + * Displays the associated file and line informations for the current input + */ + +void +xmlParserPrintFileInfo(xmlParserInputPtr input) { + if (input != NULL) { + if (input->filename) + xmlGenericError(xmlGenericErrorContext, + "%s:%d: ", input->filename, + input->line); + else + xmlGenericError(xmlGenericErrorContext, + "Entity: line %d: ", input->line); + } +} + +/** + * xmlParserPrintFileContext: + * @input: an xmlParserInputPtr input + * + * Displays current context within the input content for error tracking + */ + +static void +xmlParserPrintFileContextInternal(xmlParserInputPtr input , + xmlGenericErrorFunc channel, void *data ) { + const xmlChar *cur, *base; + unsigned int n, col; /* GCC warns if signed, because compared with sizeof() */ + xmlChar content[81]; /* space for 80 chars + line terminator */ + xmlChar *ctnt; + + if ((input == NULL) || (input->cur == NULL)) + return; + + cur = input->cur; + base = input->base; + /* skip backwards over any end-of-lines */ + while ((cur > base) && ((*(cur) == '\n') || (*(cur) == '\r'))) { + cur--; + } + n = 0; + /* search backwards for beginning-of-line (to max buff size) */ + while ((n++ < (sizeof(content)-1)) && (cur > base) && + (*(cur) != '\n') && (*(cur) != '\r')) + cur--; + if ((*(cur) == '\n') || (*(cur) == '\r')) cur++; + /* calculate the error position in terms of the current position */ + col = input->cur - cur; + /* search forward for end-of-line (to max buff size) */ + n = 0; + ctnt = content; + /* copy selected text to our buffer */ + while ((*cur != 0) && (*(cur) != '\n') && + (*(cur) != '\r') && (n < sizeof(content)-1)) { + *ctnt++ = *cur++; + n++; + } + *ctnt = 0; + /* print out the selected text */ + channel(data ,"%s\n", content); + /* create blank line with problem pointer */ + n = 0; + ctnt = content; + /* (leave buffer space for pointer + line terminator) */ + while ((n<col) && (n++ < sizeof(content)-2) && (*ctnt != 0)) { + if (*(ctnt) != '\t') + *(ctnt) = ' '; + ctnt++; + } + *ctnt++ = '^'; + *ctnt = 0; + channel(data ,"%s\n", content); +} + +/** + * xmlParserPrintFileContext: + * @input: an xmlParserInputPtr input + * + * Displays current context within the input content for error tracking + */ +void +xmlParserPrintFileContext(xmlParserInputPtr input) { + xmlParserPrintFileContextInternal(input, xmlGenericError, + xmlGenericErrorContext); +} + +/** + * xmlReportError: + * @err: the error + * @ctx: the parser context or NULL + * @str: the formatted error message + * + * Report an error with its context, replace the 4 old error/warning + * routines. + */ +static void +xmlReportError(xmlErrorPtr err, xmlParserCtxtPtr ctxt, const char *str, + xmlGenericErrorFunc channel, void *data) +{ + char *file = NULL; + int line = 0; + int code = -1; + int domain; + const xmlChar *name = NULL; + xmlNodePtr node; + xmlErrorLevel level; + xmlParserInputPtr input = NULL; + xmlParserInputPtr cur = NULL; + + if (err == NULL) + return; + + if (channel == NULL) { + channel = xmlGenericError; + data = xmlGenericErrorContext; + } + file = err->file; + line = err->line; + code = err->code; + domain = err->domain; + level = err->level; + node = err->node; + + if (code == XML_ERR_OK) + return; + + if ((node != NULL) && (node->type == XML_ELEMENT_NODE)) + name = node->name; + + /* + * Maintain the compatibility with the legacy error handling + */ + if (ctxt != NULL) { + input = ctxt->input; + if ((input != NULL) && (input->filename == NULL) && + (ctxt->inputNr > 1)) { + cur = input; + input = ctxt->inputTab[ctxt->inputNr - 2]; + } + if (input != NULL) { + if (input->filename) + channel(data, "%s:%d: ", input->filename, input->line); + else if ((line != 0) && (domain == XML_FROM_PARSER)) + channel(data, "Entity: line %d: ", input->line); + } + } else { + if (file != NULL) + channel(data, "%s:%d: ", file, line); + else if ((line != 0) && + ((domain == XML_FROM_PARSER) || (domain == XML_FROM_SCHEMASV)|| + (domain == XML_FROM_SCHEMASP)||(domain == XML_FROM_DTD) || + (domain == XML_FROM_RELAXNGP)||(domain == XML_FROM_RELAXNGV))) + channel(data, "Entity: line %d: ", line); + } + if (name != NULL) { + channel(data, "element %s: ", name); + } + switch (domain) { + case XML_FROM_PARSER: + channel(data, "parser "); + break; + case XML_FROM_NAMESPACE: + channel(data, "namespace "); + break; + case XML_FROM_DTD: + case XML_FROM_VALID: + channel(data, "validity "); + break; + case XML_FROM_HTML: + channel(data, "HTML parser "); + break; + case XML_FROM_MEMORY: + channel(data, "memory "); + break; + case XML_FROM_OUTPUT: + channel(data, "output "); + break; + case XML_FROM_IO: + channel(data, "I/O "); + break; + case XML_FROM_XINCLUDE: + channel(data, "XInclude "); + break; + case XML_FROM_XPATH: + channel(data, "XPath "); + break; + case XML_FROM_XPOINTER: + channel(data, "parser "); + break; + case XML_FROM_REGEXP: + channel(data, "regexp "); + break; + case XML_FROM_MODULE: + channel(data, "module "); + break; + case XML_FROM_SCHEMASV: + channel(data, "Schemas validity "); + break; + case XML_FROM_SCHEMASP: + channel(data, "Schemas parser "); + break; + case XML_FROM_RELAXNGP: + channel(data, "Relax-NG parser "); + break; + case XML_FROM_RELAXNGV: + channel(data, "Relax-NG validity "); + break; + case XML_FROM_CATALOG: + channel(data, "Catalog "); + break; + case XML_FROM_C14N: + channel(data, "C14N "); + break; + case XML_FROM_XSLT: + channel(data, "XSLT "); + break; + case XML_FROM_I18N: + channel(data, "encoding "); + break; + case XML_FROM_SCHEMATRONV: + channel(data, "schematron "); + break; + case XML_FROM_BUFFER: + channel(data, "internal buffer "); + break; + case XML_FROM_URI: + channel(data, "URI "); + break; + default: + break; + } + switch (level) { + case XML_ERR_NONE: + channel(data, ": "); + break; + case XML_ERR_WARNING: + channel(data, "warning : "); + break; + case XML_ERR_ERROR: + channel(data, "error : "); + break; + case XML_ERR_FATAL: + channel(data, "error : "); + break; + } + if (str != NULL) { + int len; + len = xmlStrlen((const xmlChar *)str); + if ((len > 0) && (str[len - 1] != '\n')) + channel(data, "%s\n", str); + else + channel(data, "%s", str); + } else { + channel(data, "%s\n", "out of memory error"); + } + + if (ctxt != NULL) { + xmlParserPrintFileContextInternal(input, channel, data); + if (cur != NULL) { + if (cur->filename) + channel(data, "%s:%d: \n", cur->filename, cur->line); + else if ((line != 0) && (domain == XML_FROM_PARSER)) + channel(data, "Entity: line %d: \n", cur->line); + xmlParserPrintFileContextInternal(cur, channel, data); + } + } + if ((domain == XML_FROM_XPATH) && (err->str1 != NULL) && + (err->int1 < 100) && + (err->int1 < xmlStrlen((const xmlChar *)err->str1))) { + xmlChar buf[150]; + int i; + + channel(data, "%s\n", err->str1); + for (i=0;i < err->int1;i++) + buf[i] = ' '; + buf[i++] = '^'; + buf[i] = 0; + channel(data, "%s\n", buf); + } +} + +/** + * __xmlRaiseError: + * @schannel: the structured callback channel + * @channel: the old callback channel + * @data: the callback data + * @ctx: the parser context or NULL + * @ctx: the parser context or NULL + * @domain: the domain for the error + * @code: the code for the error + * @level: the xmlErrorLevel for the error + * @file: the file source of the error (or NULL) + * @line: the line of the error or 0 if N/A + * @str1: extra string info + * @str2: extra string info + * @str3: extra string info + * @int1: extra int info + * @col: column number of the error or 0 if N/A + * @msg: the message to display/transmit + * @...: extra parameters for the message display + * + * Update the appropriate global or contextual error structure, + * then forward the error message down the parser or generic + * error callback handler + */ +void XMLCDECL +__xmlRaiseError(xmlStructuredErrorFunc schannel, + xmlGenericErrorFunc channel, void *data, void *ctx, + void *nod, int domain, int code, xmlErrorLevel level, + const char *file, int line, const char *str1, + const char *str2, const char *str3, int int1, int col, + const char *msg, ...) +{ + xmlParserCtxtPtr ctxt = NULL; + xmlNodePtr node = (xmlNodePtr) nod; + char *str = NULL; + xmlParserInputPtr input = NULL; + xmlErrorPtr to = &xmlLastError; + xmlNodePtr baseptr = NULL; + + if (code == XML_ERR_OK) + return; + if ((xmlGetWarningsDefaultValue == 0) && (level == XML_ERR_WARNING)) + return; + if ((domain == XML_FROM_PARSER) || (domain == XML_FROM_HTML) || + (domain == XML_FROM_DTD) || (domain == XML_FROM_NAMESPACE) || + (domain == XML_FROM_IO) || (domain == XML_FROM_VALID)) { + ctxt = (xmlParserCtxtPtr) ctx; + if ((schannel == NULL) && (ctxt != NULL) && (ctxt->sax != NULL) && + (ctxt->sax->initialized == XML_SAX2_MAGIC) && + (ctxt->sax->serror != NULL)) { + schannel = ctxt->sax->serror; + data = ctxt->userData; + } + } + /* + * Check if structured error handler set + */ + if (schannel == NULL) { + schannel = xmlStructuredError; + /* + * if user has defined handler, change data ptr to user's choice + */ + if (schannel != NULL) + data = xmlStructuredErrorContext; + } + /* + * Formatting the message + */ + if (msg == NULL) { + str = (char *) xmlStrdup(BAD_CAST "No error message provided"); + } else { + XML_GET_VAR_STR(msg, str); + } + + /* + * specific processing if a parser context is provided + */ + if (ctxt != NULL) { + if (file == NULL) { + input = ctxt->input; + if ((input != NULL) && (input->filename == NULL) && + (ctxt->inputNr > 1)) { + input = ctxt->inputTab[ctxt->inputNr - 2]; + } + if (input != NULL) { + file = input->filename; + line = input->line; + col = input->col; + } + } + to = &ctxt->lastError; + } else if ((node != NULL) && (file == NULL)) { + int i; + + if ((node->doc != NULL) && (node->doc->URL != NULL)) { + baseptr = node; +/* file = (const char *) node->doc->URL; */ + } + for (i = 0; + ((i < 10) && (node != NULL) && (node->type != XML_ELEMENT_NODE)); + i++) + node = node->parent; + if ((baseptr == NULL) && (node != NULL) && + (node->doc != NULL) && (node->doc->URL != NULL)) + baseptr = node; + + if ((node != NULL) && (node->type == XML_ELEMENT_NODE)) + line = node->line; + if ((line == 0) || (line == 65535)) + line = xmlGetLineNo(node); + } + + /* + * Save the information about the error + */ + xmlResetError(to); + to->domain = domain; + to->code = code; + to->message = str; + to->level = level; + if (file != NULL) + to->file = (char *) xmlStrdup((const xmlChar *) file); + else if (baseptr != NULL) { +#ifdef LIBXML_XINCLUDE_ENABLED + /* + * We check if the error is within an XInclude section and, + * if so, attempt to print out the href of the XInclude instead + * of the usual "base" (doc->URL) for the node (bug 152623). + */ + xmlNodePtr prev = baseptr; + int inclcount = 0; + while (prev != NULL) { + if (prev->prev == NULL) + prev = prev->parent; + else { + prev = prev->prev; + if (prev->type == XML_XINCLUDE_START) { + if (--inclcount < 0) + break; + } else if (prev->type == XML_XINCLUDE_END) + inclcount++; + } + } + if (prev != NULL) { + if (prev->type == XML_XINCLUDE_START) { + prev->type = XML_ELEMENT_NODE; + to->file = (char *) xmlGetProp(prev, BAD_CAST "href"); + prev->type = XML_XINCLUDE_START; + } else { + to->file = (char *) xmlGetProp(prev, BAD_CAST "href"); + } + } else +#endif + to->file = (char *) xmlStrdup(baseptr->doc->URL); + if ((to->file == NULL) && (node != NULL) && (node->doc != NULL)) { + to->file = (char *) xmlStrdup(node->doc->URL); + } + } + to->line = line; + if (str1 != NULL) + to->str1 = (char *) xmlStrdup((const xmlChar *) str1); + if (str2 != NULL) + to->str2 = (char *) xmlStrdup((const xmlChar *) str2); + if (str3 != NULL) + to->str3 = (char *) xmlStrdup((const xmlChar *) str3); + to->int1 = int1; + to->int2 = col; + to->node = node; + to->ctxt = ctx; + + if (to != &xmlLastError) + xmlCopyError(to,&xmlLastError); + + if (schannel != NULL) { + schannel(data, to); + return; + } + + /* + * Find the callback channel if channel param is NULL + */ + if ((ctxt != NULL) && (channel == NULL) && + (xmlStructuredError == NULL) && (ctxt->sax != NULL)) { + if (level == XML_ERR_WARNING) + channel = ctxt->sax->warning; + else + channel = ctxt->sax->error; + data = ctxt->userData; + } else if (channel == NULL) { + channel = xmlGenericError; + if (ctxt != NULL) { + data = ctxt; + } else { + data = xmlGenericErrorContext; + } + } + if (channel == NULL) + return; + + if ((channel == xmlParserError) || + (channel == xmlParserWarning) || + (channel == xmlParserValidityError) || + (channel == xmlParserValidityWarning)) + xmlReportError(to, ctxt, str, NULL, NULL); + else if (((void(*)(void)) channel == (void(*)(void)) fprintf) || + (channel == xmlGenericErrorDefaultFunc)) + xmlReportError(to, ctxt, str, channel, data); + else + channel(data, "%s", str); +} + +/** + * __xmlSimpleError: + * @domain: where the error comes from + * @code: the error code + * @node: the context node + * @extra: extra informations + * + * Handle an out of memory condition + */ +void +__xmlSimpleError(int domain, int code, xmlNodePtr node, + const char *msg, const char *extra) +{ + + if (code == XML_ERR_NO_MEMORY) { + if (extra) + __xmlRaiseError(NULL, NULL, NULL, NULL, node, domain, + XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, extra, + NULL, NULL, 0, 0, + "Memory allocation failed : %s\n", extra); + else + __xmlRaiseError(NULL, NULL, NULL, NULL, node, domain, + XML_ERR_NO_MEMORY, XML_ERR_FATAL, NULL, 0, NULL, + NULL, NULL, 0, 0, "Memory allocation failed\n"); + } else { + __xmlRaiseError(NULL, NULL, NULL, NULL, node, domain, + code, XML_ERR_ERROR, NULL, 0, extra, + NULL, NULL, 0, 0, msg, extra); + } +} +/** + * xmlParserError: + * @ctx: an XML parser context + * @msg: the message to display/transmit + * @...: extra parameters for the message display + * + * Display and format an error messages, gives file, line, position and + * extra parameters. + */ +void XMLCDECL +xmlParserError(void *ctx, const char *msg, ...) +{ + xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; + xmlParserInputPtr input = NULL; + xmlParserInputPtr cur = NULL; + char * str; + + if (ctxt != NULL) { + input = ctxt->input; + if ((input != NULL) && (input->filename == NULL) && + (ctxt->inputNr > 1)) { + cur = input; + input = ctxt->inputTab[ctxt->inputNr - 2]; + } + xmlParserPrintFileInfo(input); + } + + xmlGenericError(xmlGenericErrorContext, "error: "); + XML_GET_VAR_STR(msg, str); + xmlGenericError(xmlGenericErrorContext, "%s", str); + if (str != NULL) + xmlFree(str); + + if (ctxt != NULL) { + xmlParserPrintFileContext(input); + if (cur != NULL) { + xmlParserPrintFileInfo(cur); + xmlGenericError(xmlGenericErrorContext, "\n"); + xmlParserPrintFileContext(cur); + } + } +} + +/** + * xmlParserWarning: + * @ctx: an XML parser context + * @msg: the message to display/transmit + * @...: extra parameters for the message display + * + * Display and format a warning messages, gives file, line, position and + * extra parameters. + */ +void XMLCDECL +xmlParserWarning(void *ctx, const char *msg, ...) +{ + xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; + xmlParserInputPtr input = NULL; + xmlParserInputPtr cur = NULL; + char * str; + + if (ctxt != NULL) { + input = ctxt->input; + if ((input != NULL) && (input->filename == NULL) && + (ctxt->inputNr > 1)) { + cur = input; + input = ctxt->inputTab[ctxt->inputNr - 2]; + } + xmlParserPrintFileInfo(input); + } + + xmlGenericError(xmlGenericErrorContext, "warning: "); + XML_GET_VAR_STR(msg, str); + xmlGenericError(xmlGenericErrorContext, "%s", str); + if (str != NULL) + xmlFree(str); + + if (ctxt != NULL) { + xmlParserPrintFileContext(input); + if (cur != NULL) { + xmlParserPrintFileInfo(cur); + xmlGenericError(xmlGenericErrorContext, "\n"); + xmlParserPrintFileContext(cur); + } + } +} + +/************************************************************************ + * * + * Handling of validation errors * + * * + ************************************************************************/ + +/** + * xmlParserValidityError: + * @ctx: an XML parser context + * @msg: the message to display/transmit + * @...: extra parameters for the message display + * + * Display and format an validity error messages, gives file, + * line, position and extra parameters. + */ +void XMLCDECL +xmlParserValidityError(void *ctx, const char *msg, ...) +{ + xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; + xmlParserInputPtr input = NULL; + char * str; + int len = xmlStrlen((const xmlChar *) msg); + static int had_info = 0; + + if ((len > 1) && (msg[len - 2] != ':')) { + if (ctxt != NULL) { + input = ctxt->input; + if ((input->filename == NULL) && (ctxt->inputNr > 1)) + input = ctxt->inputTab[ctxt->inputNr - 2]; + + if (had_info == 0) { + xmlParserPrintFileInfo(input); + } + } + xmlGenericError(xmlGenericErrorContext, "validity error: "); + had_info = 0; + } else { + had_info = 1; + } + + XML_GET_VAR_STR(msg, str); + xmlGenericError(xmlGenericErrorContext, "%s", str); + if (str != NULL) + xmlFree(str); + + if ((ctxt != NULL) && (input != NULL)) { + xmlParserPrintFileContext(input); + } +} + +/** + * xmlParserValidityWarning: + * @ctx: an XML parser context + * @msg: the message to display/transmit + * @...: extra parameters for the message display + * + * Display and format a validity warning messages, gives file, line, + * position and extra parameters. + */ +void XMLCDECL +xmlParserValidityWarning(void *ctx, const char *msg, ...) +{ + xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; + xmlParserInputPtr input = NULL; + char * str; + int len = xmlStrlen((const xmlChar *) msg); + + if ((ctxt != NULL) && (len != 0) && (msg[len - 1] != ':')) { + input = ctxt->input; + if ((input->filename == NULL) && (ctxt->inputNr > 1)) + input = ctxt->inputTab[ctxt->inputNr - 2]; + + xmlParserPrintFileInfo(input); + } + + xmlGenericError(xmlGenericErrorContext, "validity warning: "); + XML_GET_VAR_STR(msg, str); + xmlGenericError(xmlGenericErrorContext, "%s", str); + if (str != NULL) + xmlFree(str); + + if (ctxt != NULL) { + xmlParserPrintFileContext(input); + } +} + + +/************************************************************************ + * * + * Extended Error Handling * + * * + ************************************************************************/ + +/** + * xmlGetLastError: + * + * Get the last global error registered. This is per thread if compiled + * with thread support. + * + * Returns NULL if no error occurred or a pointer to the error + */ +xmlErrorPtr +xmlGetLastError(void) +{ + if (xmlLastError.code == XML_ERR_OK) + return (NULL); + return (&xmlLastError); +} + +/** + * xmlResetError: + * @err: pointer to the error. + * + * Cleanup the error. + */ +void +xmlResetError(xmlErrorPtr err) +{ + if (err == NULL) + return; + if (err->code == XML_ERR_OK) + return; + if (err->message != NULL) + xmlFree(err->message); + if (err->file != NULL) + xmlFree(err->file); + if (err->str1 != NULL) + xmlFree(err->str1); + if (err->str2 != NULL) + xmlFree(err->str2); + if (err->str3 != NULL) + xmlFree(err->str3); + memset(err, 0, sizeof(xmlError)); + err->code = XML_ERR_OK; +} + +/** + * xmlResetLastError: + * + * Cleanup the last global error registered. For parsing error + * this does not change the well-formedness result. + */ +void +xmlResetLastError(void) +{ + if (xmlLastError.code == XML_ERR_OK) + return; + xmlResetError(&xmlLastError); +} + +/** + * xmlCtxtGetLastError: + * @ctx: an XML parser context + * + * Get the last parsing error registered. + * + * Returns NULL if no error occurred or a pointer to the error + */ +xmlErrorPtr +xmlCtxtGetLastError(void *ctx) +{ + xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; + + if (ctxt == NULL) + return (NULL); + if (ctxt->lastError.code == XML_ERR_OK) + return (NULL); + return (&ctxt->lastError); +} + +/** + * xmlCtxtResetLastError: + * @ctx: an XML parser context + * + * Cleanup the last global error registered. For parsing error + * this does not change the well-formedness result. + */ +void +xmlCtxtResetLastError(void *ctx) +{ + xmlParserCtxtPtr ctxt = (xmlParserCtxtPtr) ctx; + + if (ctxt == NULL) + return; + ctxt->errNo = XML_ERR_OK; + if (ctxt->lastError.code == XML_ERR_OK) + return; + xmlResetError(&ctxt->lastError); +} + +/** + * xmlCopyError: + * @from: a source error + * @to: a target error + * + * Save the original error to the new place. + * + * Returns 0 in case of success and -1 in case of error. + */ +int +xmlCopyError(xmlErrorPtr from, xmlErrorPtr to) { + char *message, *file, *str1, *str2, *str3; + + if ((from == NULL) || (to == NULL)) + return(-1); + + message = (char *) xmlStrdup((xmlChar *) from->message); + file = (char *) xmlStrdup ((xmlChar *) from->file); + str1 = (char *) xmlStrdup ((xmlChar *) from->str1); + str2 = (char *) xmlStrdup ((xmlChar *) from->str2); + str3 = (char *) xmlStrdup ((xmlChar *) from->str3); + + if (to->message != NULL) + xmlFree(to->message); + if (to->file != NULL) + xmlFree(to->file); + if (to->str1 != NULL) + xmlFree(to->str1); + if (to->str2 != NULL) + xmlFree(to->str2); + if (to->str3 != NULL) + xmlFree(to->str3); + to->domain = from->domain; + to->code = from->code; + to->level = from->level; + to->line = from->line; + to->node = from->node; + to->int1 = from->int1; + to->int2 = from->int2; + to->node = from->node; + to->ctxt = from->ctxt; + to->message = message; + to->file = file; + to->str1 = str1; + to->str2 = str2; + to->str3 = str3; + + return 0; +} + +#define bottom_error +#include "elfgcchack.h" |