diff options
Diffstat (limited to '3rdparty/expat/examples/elements.c')
-rw-r--r-- | 3rdparty/expat/examples/elements.c | 52 |
1 files changed, 38 insertions, 14 deletions
diff --git a/3rdparty/expat/examples/elements.c b/3rdparty/expat/examples/elements.c index eb0c729bff1..e5fb850d501 100644 --- a/3rdparty/expat/examples/elements.c +++ b/3rdparty/expat/examples/elements.c @@ -11,7 +11,12 @@ |_| XML parser Copyright (c) 1997-2000 Thai Open Source Software Center Ltd - Copyright (c) 2000-2017 Expat development team + Copyright (c) 2001-2003 Fred L. Drake, Jr. <fdrake@users.sourceforge.net> + Copyright (c) 2004-2006 Karl Waclawek <karl@waclawek.net> + Copyright (c) 2005-2007 Steven Solie <steven@solie.ca> + Copyright (c) 2016-2022 Sebastian Pipping <sebastian@pipping.org> + Copyright (c) 2017 Rhodri James <rhodri@wildebeest.org.uk> + Copyright (c) 2019 Zhongyuan Zhou <zhouzhongyuan@huawei.com> Licensed under the MIT license: Permission is hereby granted, free of charge, to any person obtaining @@ -44,7 +49,6 @@ #endif #ifdef XML_UNICODE_WCHAR_T -# include <wchar.h> # define XML_FMT_STR "ls" #else # define XML_FMT_STR "s" @@ -53,7 +57,7 @@ static void XMLCALL startElement(void *userData, const XML_Char *name, const XML_Char **atts) { int i; - int *depthPtr = (int *)userData; + int *const depthPtr = (int *)userData; (void)atts; for (i = 0; i < *depthPtr; i++) @@ -64,34 +68,54 @@ startElement(void *userData, const XML_Char *name, const XML_Char **atts) { static void XMLCALL endElement(void *userData, const XML_Char *name) { - int *depthPtr = (int *)userData; + int *const depthPtr = (int *)userData; (void)name; *depthPtr -= 1; } int -main(int argc, char *argv[]) { - char buf[BUFSIZ]; +main(void) { XML_Parser parser = XML_ParserCreate(NULL); int done; int depth = 0; - (void)argc; - (void)argv; + + if (! parser) { + fprintf(stderr, "Couldn't allocate memory for parser\n"); + return 1; + } XML_SetUserData(parser, &depth); XML_SetElementHandler(parser, startElement, endElement); + do { - size_t len = fread(buf, 1, sizeof(buf), stdin); - done = len < sizeof(buf); - if (XML_Parse(parser, buf, (int)len, done) == XML_STATUS_ERROR) { - fprintf(stderr, "%" XML_FMT_STR " at line %" XML_FMT_INT_MOD "u\n", - XML_ErrorString(XML_GetErrorCode(parser)), - XML_GetCurrentLineNumber(parser)); + void *const buf = XML_GetBuffer(parser, BUFSIZ); + if (! buf) { + fprintf(stderr, "Couldn't allocate memory for buffer\n"); + XML_ParserFree(parser); + return 1; + } + + const size_t len = fread(buf, 1, BUFSIZ, stdin); + + if (ferror(stdin)) { + fprintf(stderr, "Read error\n"); + XML_ParserFree(parser); + return 1; + } + + done = feof(stdin); + + if (XML_ParseBuffer(parser, (int)len, done) == XML_STATUS_ERROR) { + fprintf(stderr, + "Parse error at line %" XML_FMT_INT_MOD "u:\n%" XML_FMT_STR "\n", + XML_GetCurrentLineNumber(parser), + XML_ErrorString(XML_GetErrorCode(parser))); XML_ParserFree(parser); return 1; } } while (! done); + XML_ParserFree(parser); return 0; } |