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Since the strstr finds no match, the result is a null pointer. &nbsp;Accessing it with strlen causes an access violation.<br />
<br />
char buff1[50];<br />
char buff[]=&quot;abcdefghijklmnopqr<wbr />stuvwxyz&quot;;<wbr /><br />
char *searchString=&quot;abcdefghijk<wbr />lmnopqrstu<wbr />vwxyz&quot;;<br />
char findstring[]=&quot;0&quot;;<br />
//......<br />
int j; <br />
size_t len;<br />
const char* p;<br />
for(j=0; j &lt;&nbsp;26; j++)<br />
{<br />
&nbsp; &nbsp; &nbsp; *findstring = *(searchString+j); &nbsp; &nbsp; &nbsp;<br />
//......<br />
&nbsp; &nbsp; &nbsp; strcpy(buff1, strstr(buff, findstring)); &nbsp;//O.k<br />
//......<br />
&nbsp; &nbsp; &nbsp; p = strstr(buff1+1, findstring);<br />
&nbsp; &nbsp; &nbsp; if (p) len=strlen(strstr(buff1+1,<wbr /> findstring)); &nbsp;//Crashing Here<br />
&nbsp;
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<div>
&gt;&gt; Could you please correct the above code.<br />
<br />
As in your other question : can you explain what you are trying to do please ? Your code looks very weird, and doesn't resemble anything sensible ... at least not that I recognize.
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<div>
Again, sudarshantk, is that what you were trying to do ? Your code looks very weird, and doesn't resemble anything sensible ... at least not that I recognize.<br />
<br />
What is it that you are trying to do exactly ?
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<div>
<div class="content wysiwyg-content">
char buff1[50];<br />
char buff[]=&quot;abcdefghijklmnopqr<wbr />stuvwxyz&quot;;<wbr /><br />
char *searchString=&quot;abcdefghijk<wbr />lmnopqrstu<wbr />vwxyz&quot;;<br />
char findstring[]=&quot;0&quot;;<br />
......<br />
for(j=0; j &lt;&nbsp;26; j++)<br />
{<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*findstring = *(searchString+j); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
......<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;strcpy(buff1, strstr(buff, findstring)); &nbsp;//O.k<br />
......<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;len=strlen(strstr(buff1+1,<wbr /> findstring)); &nbsp;//Crashing Here<br />
......<br />
}<br />
Could you please correct the above code.<br />

</div>
</div>


char buff1[50];
char buff[]="abcdefghijklmnopqrstuvwxyz";
char *searchString="abcdefghijklmnopqrstuvwxyz";
char findstring[]="0";
......
for(j=0; j < 26; j++)
{
	*findstring = *(searchString+j);	
......
	strcpy(buff1, strstr(buff, findstring));  //O.k
......
	len=strlen(strstr(buff1+1, findstring));  //Crashing Here
......
}
Could you please correct the above code.


C Strstr() Question

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