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author | William Joye <wjoye@cfa.harvard.edu> | 2016-11-17 21:09:46 (GMT) |
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committer | William Joye <wjoye@cfa.harvard.edu> | 2016-11-17 21:09:46 (GMT) |
commit | fc7f7edd0b8011cb71573b15462ef83068d9e54b (patch) | |
tree | 459fb7d1a9611f563e3000386df5cb7cdf506916 /libxml2/testOOM.c | |
parent | 4f65b25b474bf534e40c3d3aa47d43e8457fcc9a (diff) | |
download | blt-fc7f7edd0b8011cb71573b15462ef83068d9e54b.zip blt-fc7f7edd0b8011cb71573b15462ef83068d9e54b.tar.gz blt-fc7f7edd0b8011cb71573b15462ef83068d9e54b.tar.bz2 |
local fork libxml2
Diffstat (limited to 'libxml2/testOOM.c')
-rw-r--r-- | libxml2/testOOM.c | 377 |
1 files changed, 0 insertions, 377 deletions
diff --git a/libxml2/testOOM.c b/libxml2/testOOM.c deleted file mode 100644 index 9ff13f2..0000000 --- a/libxml2/testOOM.c +++ /dev/null @@ -1,377 +0,0 @@ -/* - * 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; -} |