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-rw-r--r--lib/libexpat/examples/elements.c47
-rw-r--r--lib/libexpat/examples/outline.c77
2 files changed, 72 insertions, 52 deletions
diff --git a/lib/libexpat/examples/elements.c b/lib/libexpat/examples/elements.c
index 481d4447268..e5fb850d501 100644
--- a/lib/libexpat/examples/elements.c
+++ b/lib/libexpat/examples/elements.c
@@ -14,7 +14,7 @@
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) 2016-2019 Sebastian Pipping <sebastian@pipping.org>
+ 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:
@@ -49,7 +49,6 @@
#endif
#ifdef XML_UNICODE_WCHAR_T
-# include <wchar.h>
# define XML_FMT_STR "ls"
#else
# define XML_FMT_STR "s"
@@ -58,7 +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++)
@@ -69,34 +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;
}
diff --git a/lib/libexpat/examples/outline.c b/lib/libexpat/examples/outline.c
index 936f0e09053..d2df914fedb 100644
--- a/lib/libexpat/examples/outline.c
+++ b/lib/libexpat/examples/outline.c
@@ -12,7 +12,7 @@
Copyright (c) 2001-2003 Fred L. Drake, Jr. <fdrake@users.sourceforge.net>
Copyright (c) 2005-2007 Steven Solie <steven@solie.ca>
Copyright (c) 2005-2006 Karl Waclawek <karl@waclawek.net>
- Copyright (c) 2016-2019 Sebastian Pipping <sebastian@pipping.org>
+ Copyright (c) 2016-2022 Sebastian Pipping <sebastian@pipping.org>
Copyright (c) 2017 Rhodri James <rhodri@wildebeest.org.uk>
Licensed under the MIT license:
@@ -51,73 +51,74 @@
# define XML_FMT_STR "s"
#endif
-#define BUFFSIZE 8192
-
-char Buff[BUFFSIZE];
-
-int Depth;
-
static void XMLCALL
-start(void *data, const XML_Char *el, const XML_Char **attr) {
+startElement(void *userData, const XML_Char *name, const XML_Char **atts) {
int i;
- (void)data;
+ int *const depthPtr = (int *)userData;
- for (i = 0; i < Depth; i++)
+ for (i = 0; i < *depthPtr; i++)
printf(" ");
- printf("%" XML_FMT_STR, el);
+ printf("%" XML_FMT_STR, name);
- for (i = 0; attr[i]; i += 2) {
- printf(" %" XML_FMT_STR "='%" XML_FMT_STR "'", attr[i], attr[i + 1]);
+ for (i = 0; atts[i]; i += 2) {
+ printf(" %" XML_FMT_STR "='%" XML_FMT_STR "'", atts[i], atts[i + 1]);
}
printf("\n");
- Depth++;
+ *depthPtr += 1;
}
static void XMLCALL
-end(void *data, const XML_Char *el) {
- (void)data;
- (void)el;
+endElement(void *userData, const XML_Char *name) {
+ int *const depthPtr = (int *)userData;
+ (void)name;
- Depth--;
+ *depthPtr -= 1;
}
int
-main(int argc, char *argv[]) {
- XML_Parser p = XML_ParserCreate(NULL);
- (void)argc;
- (void)argv;
+main(void) {
+ XML_Parser parser = XML_ParserCreate(NULL);
+ int done;
+ int depth = 0;
- if (! p) {
+ if (! parser) {
fprintf(stderr, "Couldn't allocate memory for parser\n");
- exit(-1);
+ return 1;
}
- XML_SetElementHandler(p, start, end);
+ XML_SetUserData(parser, &depth);
+ XML_SetElementHandler(parser, startElement, endElement);
- for (;;) {
- int done;
- int len;
+ do {
+ 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);
- len = (int)fread(Buff, 1, BUFFSIZE, stdin);
if (ferror(stdin)) {
fprintf(stderr, "Read error\n");
- exit(-1);
+ XML_ParserFree(parser);
+ return 1;
}
+
done = feof(stdin);
- if (XML_Parse(p, Buff, len, done) == XML_STATUS_ERROR) {
+ 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(p),
- XML_ErrorString(XML_GetErrorCode(p)));
- exit(-1);
+ XML_GetCurrentLineNumber(parser),
+ XML_ErrorString(XML_GetErrorCode(parser)));
+ XML_ParserFree(parser);
+ return 1;
}
+ } while (! done);
- if (done)
- break;
- }
- XML_ParserFree(p);
+ XML_ParserFree(parser);
return 0;
}
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