Upgrade to libxml 2.9.2 and libxslt 1.1.28

third_party/libxml/src/testOOM.c

+/*
+ * testOOM.c: Test out-of-memory handling
+ *
+ * See Copyright for the status of this software.
+ *
+ * hp@redhat.com
+ */
+
+#include "libxml.h"
+
+#include <string.h>
+#include <stdarg.h>
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+
+#include <libxml/xmlreader.h>
+
+#include "testOOMlib.h"
+
+#ifndef TRUE
+#define TRUE (1)
+#endif
+#ifndef FALSE
+#define FALSE (0)
+#endif
+
+#define EXIT_OOM 2
+
+int error = FALSE;
+int errcount = 0;
+int noent = 0;
+int count = 0;
+int valid = 0;
+int showErrs = 0;
+
+/*
+ * Since we are using the xmlTextReader functions, we set up
+ * strings for the element types to help in debugging any error
+ * output
+ */
+const char *elementNames[] = {
+    "XML_READER_TYPE_NONE",
+    "XML_READER_TYPE_ELEMENT",
+    "XML_READER_TYPE_ATTRIBUTE",
+    "XML_READER_TYPE_TEXT",
+    "XML_READER_TYPE_CDATA",
+    "XML_READER_TYPE_ENTITY_REFERENCE",
+    "XML_READER_TYPE_ENTITY",
+    "XML_READER_TYPE_PROCESSING_INSTRUCTION",
+    "XML_READER_TYPE_COMMENT",
+    "XML_READER_TYPE_DOCUMENT",
+    "XML_READER_TYPE_DOCUMENT_TYPE",
+    "XML_READER_TYPE_DOCUMENT_FRAGMENT",
+    "XML_READER_TYPE_NOTATION",
+    "XML_READER_TYPE_WHITESPACE",
+    "XML_READER_TYPE_SIGNIFICANT_WHITESPACE",
+    "XML_READER_TYPE_END_ELEMENT",
+    "XML_READER_TYPE_END_ENTITY",
+    "XML_READER_TYPE_XML_DECLARATION"};
+
+/* not using xmlBuff here because I don't want those
+ * mallocs to interfere */
+struct buffer {
+    char *str;
+    size_t len;
+    size_t max;
+};
+
+static struct buffer *buffer_create (size_t init_len)
+{
+    struct buffer *b;
+    b = malloc (sizeof *b);
+    if (b == NULL)
+        exit (EXIT_OOM);
+    if (init_len) {
+        b->str = malloc (init_len);
+        if (b->str == NULL)
+            exit (EXIT_OOM);
+    }
+    else
+        b->str = NULL;
+    b->len = 0;
+    b->max = init_len;
+    return b;
+}
+
+static void buffer_free (struct buffer *b)
+{
+    free (b->str);
+    free (b);
+}
+
+static size_t buffer_get_length (struct buffer *b)
+{
+    return b->len;
+}
+
+static void buffer_expand (struct buffer *b, size_t min)
+{
+    void *new_str;
+    size_t new_size = b->max ? b->max : 512;
+    while (new_size < b->len + min)
+        new_size *= 2;
+    if (new_size > b->max) {
+        new_str = realloc (b->str, new_size);
+        if (new_str == NULL)
+            exit (EXIT_OOM);
+        b->str = new_str;
+        b->max = new_size;
+    }
+}
+
+static void buffer_add_char (struct buffer *b, char c)
+{
+    buffer_expand (b, 1);
+    b->str[b->len] = c;
+    b->len += 1;
+}
+
+static void buffer_add_string (struct buffer *b, const char *s)
+{
+    size_t size = strlen(s) + 1;
+    unsigned int ix;
+    for (ix=0; ix<size-1; ix++) {
+        if (s[ix] < 0x20)
+            printf ("binary data [0x%02x]?\n", (unsigned char)s[ix]);
+    }
+    buffer_expand (b, size);
+    strcpy (b->str + b->len, s);
+    b->str[b->len+size-1] = '\n';       /* replace string term with newline */
+    b->len += size;
+}
+
+static int buffer_equal (struct buffer *b1, struct buffer *b2)
+{
+    return (b1->len == b2->len &&
+            (b1->len == 0 || (memcmp (b1->str, b2->str, b1->len) == 0)));
+}
+
+static void buffer_dump (struct buffer *b, const char *fname)
+{
+    FILE *f = fopen (fname, "wb");
+    if (f != NULL) {
+        fwrite (b->str, 1, b->len, f);
+        fclose (f);
+    }
+}
+
+
+static void usage(const char *progname) {
+    printf("Usage : %s [options] XMLfiles ...\n", progname);
+    printf("\tParse the XML files using the xmlTextReader API\n");
+    printf("\t --count: count the number of attribute and elements\n");
+    printf("\t --valid: validate the document\n");
+    printf("\t --show:  display the error messages encountered\n");
+    exit(1);
+}
+static unsigned int elem, attrs, chars;
+
+static int processNode (xmlTextReaderPtr reader, void *data)
+{
+    struct buffer *buff = data;
+    int type;
+
+    type = xmlTextReaderNodeType(reader);
+    if (count) {
+        if (type == 1) {
+            elem++;
+            attrs += xmlTextReaderAttributeCount(reader);
+        } else if (type == 3) {
+          const xmlChar *txt;
+          txt = xmlTextReaderConstValue(reader);
+          if (txt != NULL)
+            chars += xmlStrlen (txt);
+          else
+            return FALSE;
+        }
+    }
+
+    if (buff != NULL) {
+        int ret;
+        const char *s;
+
+        buffer_add_string (buff, elementNames[type]);
+
+        if (type == 1) {
+            s = (const char *)xmlTextReaderConstName (reader);
+            if (s == NULL) return FALSE;
+            buffer_add_string (buff, s);
+            while ((ret = xmlTextReaderMoveToNextAttribute (reader)) == 1) {
+                s = (const char *)xmlTextReaderConstName (reader);
+                if (s == NULL) return FALSE;
+                buffer_add_string (buff, s);
+                buffer_add_char (buff, '=');
+                s = (const char *)xmlTextReaderConstValue (reader);
+                if (s == NULL) return FALSE;
+                buffer_add_string (buff, s);
+            }
+            if (ret == -1) return FALSE;
+        }
+        else if (type == 3) {
+            s = (const char *)xmlTextReaderConstValue (reader);
+            if (s == NULL) return FALSE;
+            buffer_add_string (buff, s);
+        }
+    }
+
+    return TRUE;
+}
+
+
+struct file_params {
+    const char *filename;
+    struct buffer *verif_buff;
+};
+
+static void
+error_func (void *data ATTRIBUTE_UNUSED, xmlErrorPtr err)
+{
+
+    errcount++;
+    if (err->level == XML_ERR_ERROR ||
+        err->level == XML_ERR_FATAL)
+        error = TRUE;
+    if (showErrs) {
+        printf("%3d line %d: %s\n", error, err->line, err->message);
+    }
+}
+
+static int
+check_load_file_memory_func (void *data)
+{
+     struct file_params *p = data;
+     struct buffer *b;
+     xmlTextReaderPtr reader;
+     int ret, status, first_run;
+
+     if (count) {
+         elem = 0;
+         attrs = 0;
+         chars = 0;
+     }
+
+     first_run = p->verif_buff == NULL;
+     status = TRUE;
+     error = FALSE;
+     if (first_run)
+         b = buffer_create (0);
+     else
+         b = buffer_create (buffer_get_length (p->verif_buff));
+
+     reader = xmlNewTextReaderFilename (p->filename);
+     if (reader == NULL)
+       goto out;
+
+     xmlTextReaderSetStructuredErrorHandler (reader, error_func, NULL);
+     xmlSetStructuredErrorFunc(NULL, error_func);
+
+     if (valid) {
+       if (xmlTextReaderSetParserProp(reader, XML_PARSER_VALIDATE, 1) == -1)
+         goto out;
+     }
+
+     /*
+      * Process all nodes in sequence
+      */
+     while ((ret = xmlTextReaderRead(reader)) == 1) {
+         if (!processNode(reader, b))
+         goto out;
+     }
+     if (ret == -1)
+       goto out;
+
+     if (error) {
+         fprintf (stdout, "error handler was called but parse completed successfully (last error #%d)\n", errcount);
+         return FALSE;
+     }
+
+     /*
+      * Done, cleanup and status
+      */
+     if (! first_run) {
+         status = buffer_equal (p->verif_buff, b);
+         if (! status) {
+             buffer_dump (p->verif_buff, ".OOM.verif_buff");
+             buffer_dump (b, ".OOM.buff");
+         }
+     }
+
+     if (count)
+       {
+           fprintf (stdout, "# %s: %u elems, %u attrs, %u chars %s\n",
+                    p->filename, elem, attrs, chars,
+                    status ? "ok" : "wrong");
+       }
+
+ out:
+     if (first_run)
+         p->verif_buff = b;
+     else
+         buffer_free (b);
+     if (reader)
+         xmlFreeTextReader (reader);
+     return status;
+}
+
+int main(int argc, char **argv) {
+    int i;
+    int files = 0;
+
+    if (argc <= 1) {
+        usage(argv[0]);
+        return(1);
+    }
+    LIBXML_TEST_VERSION;
+
+    xmlMemSetup (test_free,
+                 test_malloc,
+                 test_realloc,
+                 test_strdup);
+
+    xmlInitParser();
+
+    for (i = 1; i < argc ; i++) {
+        if ((!strcmp(argv[i], "-count")) || (!strcmp(argv[i], "--count")))
+            count++;
+        else if ((!strcmp(argv[i], "-valid")) || (!strcmp(argv[i], "--valid")))
+            valid++;
+        else if ((!strcmp(argv[i], "-noent")) ||
+                 (!strcmp(argv[i], "--noent")))
+            noent++;
+        else if ((!strcmp(argv[i], "-show")) ||
+                 (!strcmp(argv[i], "--show")))
+            showErrs++;
+    }
+    if (noent != 0)
+      xmlSubstituteEntitiesDefault(1);
+    for (i = 1; i < argc ; i++) {
+        if (argv[i][0] != '-') {
+             struct file_params p;
+             p.filename = argv[i];
+             p.verif_buff = NULL;
+
+             if (!test_oom_handling (check_load_file_memory_func,
+                                     &p)) {
+                  fprintf (stdout, "Failed!\n");
+                  return 1;
+             }
+
+             buffer_free (p.verif_buff);
+             xmlCleanupParser();
+
+             if (test_get_malloc_blocks_outstanding () > 0) {
+                  fprintf (stdout, "%d blocks leaked\n",
+                           test_get_malloc_blocks_outstanding ());
+                  xmlMemoryDump();
+                  return 1;
+             }
+
+            files ++;
+        }
+    }
+    xmlMemoryDump();
+
+    return 0;
+}