running error on freebsd

Script started on Wed Oct 25 11:07:11 2000
> ./outline

Segmentation fault(core dumped)

> gdb outline

GNU gdb 4.18

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GDB is free software, covered by the GNU General Public License, and you are

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Type "show copying" to see the conditions.

There is absolutely no warranty for GDB. Type "show warranty" for details.

This GDB was configured as "i386-unknown-freebsd"...

(gdb) b 42

Breakpoint 1 at 0x80486f4: file outline.c, line 42.

(gdb) r

Starting program: /usr/home/twan/XMLparser/expat-1.95.1/examples/outline

Program received signal SIGSEGV, Segmentation fault.

0x280f109e in memcpy () from /usr/lib/libc.so.4

(gdb) b 85

Breakpoint 2 at 0x80487fc: file outline.c, line 85.

(gdb) R

The program being debugged has been started already.

Start it from the beginning? (y or n) y

Starting program: /usr/home/twan/XMLparser/expat-1.95.1/examples/outline

Breakpoint 2, main (argc=1, argv=0xbfbffb6c) at outline.c:85

85 XML_SetElementHandler(p, start, end);

(gdb) n

86 XML_SetCharacterDataHandler(p,charhndl);

(gdb) n

87 for (;;) {

(gdb) n

107 }

(gdb) n

92 if (ferror(fp)) {

(gdb) n

96 done = feof(fp);

(gdb) n

98 if (! XML_Parse(p, Buff, len, done)) {

(gdb) s

0x8048540 in XML_Parse () at xmlparse.c:1083

1083 {

(gdb) n

0x8048546 1083 {

(gdb) n

0x804854b 1083 {

(gdb)

0x8048510 in _init ()

(gdb)

Single stepping until exit from function _init,

which has no line number information.

Program received signal SIGSEGV, Segmentation fault.

0x280f109e in memcpy () from /usr/lib/libc.so.4

(gdb) q

The program is running. Exit anyway? (y or n) y

> more outline/.c

/*****************************************************************

* outline.c

*

* Copyright 1999, Clark Cooper

* All rights reserved.

*

* This program is free software; you can redistribute it and/or

* modify it under the terms of the license contained in the

* COPYING file that comes with the expat distribution.

*

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

*

* Read an XML document from standard input and print an element

* outline on standard output.

*/

#include <stdio.h>

#include </usr/local/include/expat.h>

#define BUFFSIZE 8192

char Buff[BUFFSIZE];

char str[1000];

int Depth;

void charhndl(void *userData,

const XML_Char* s,

int len)

{

int i;

char* str;

if(len>1)

{

//str=malloc(len+1);

strncpy(str,s,len);

// for(i=0;i<len;i++)

// str[i]='a';

str[len]='\0';

//str=s+len+1;

//str=s;

//*(str+len)='\0';

printf("%s\n",str);

i=1;

}

}

void

start(void *data, const char *el, const char **attr) {

int i;

for (i = 0; i < Depth; i++)

printf(" ");

printf("%s", el);

for (i = 0; attr[i]; i += 2) {

printf(" %s='%s'", attr[i], attr[i + 1]);

}

printf("\n");

Depth++;

} /* End of start handler */

void

end(void *data, const char *el) {

Depth--;

} /* End of end handler */

main(int argc, char **argv) {

XML_Parser p;

FILE* fp;

fp=fopen("smil.xml","r");

p = XML_ParserCreate(NULL);

if (! p) {

fprintf(stderr, "Couldn't allocate memory for parser\n");

exit(-1);

}

XML_SetElementHandler(p, start, end);

XML_SetCharacterDataHandler(p,charhndl);

for (;;) {

int done;

int len;

len = fread(Buff, 1, BUFFSIZE, fp);

if (ferror(fp)) {

fprintf(stderr, "Read error\n");

exit(-1);

}

done = feof(fp);

if (! XML_Parse(p, Buff, len, done)) {

fprintf(stderr, "Parse error at line %d:\n%s\n",

XML_GetCurrentLineNumber(p),

XML_ErrorString(XML_GetErrorCode(p)));

exit(-1);

}

if (done)

break;

}

} /* End of main */

> more smil.xml

<?xml version="1.0" standalone="no"?>

<!--

Example for SMIL (Synchronized Multimedia Integration Language)

see http://www.w3.org/TR/WD-smil for more information

-->

<!DOCTYPE smil SYSTEM "smil.dtd">

<smil>

<head>

<layout type="text/smil-basic">

<channel id="left-video" left="20" top="50" z-index="1"/>

<channel id="left-text" left="20" top="120" z-index="1"/>

<channel id="right-video" left="150" top="50" z-index="1"/>

<channel id="right-text" left="150" top="120" z-index="1"/>

</layout>

</head>

<body>

<par>

<img src="bg"/>

<seq>

<par>

<img src="graph" channel="left-video" dur="60s"/>

<text src="graph-text" channel="left-text"/>

</par>

<par>

<a href="http://www.w3.org/People/Berners-Lee">

<video src="tim-video" channel="left-video"/>

<text src="tim-text" channel="left-text"/>

</a>

</par>

</seq>

<seq>

<audio src="joe-audio"/>

<audio src="tim-audio"/>

</seq>

<video id="jv" src="joe-video" channel="right-video"/>

<text src="joe-text" channel="right-text"/>

</par>

</body>

</smil>

exit

Script done on Wed Oct 25 11:10:48 2000