03-19-2016
Quote:
However, I'd like to know your way to debug I would find which loop indexes the program crashes for you! Thanks a lot!
That's just how I would do the debugging. Once I knew the index where the program crashed , you could use a debugger to trace forward at the beginning of the loop(s) to find what caused the crash ( this way you can eliminate a lot of code as the problem - as long as something in the prior code did not cause the problem in the first place, in which case you could go backward in the indexes to find what the problem is ).
10 More Discussions You Might Find Interesting
1. Programming
hello,
i have a problem with strlen. I have written this:
for(y=13,z=0; cInBuf!=' ';y++)
{
cBuf=cInBuf;
z++;
}
len = strlen(cBuf);
out=len/2;
fprintf(outfile,"F%i",out);
If strlen is e.g. 22, it write F22. I want to write F2F2.
How can i do this?... (5 Replies)
Discussion started by: ACeD
5 Replies
2. Shell Programming and Scripting
Hello,
Just a little problem with the ksh function : strlen
I want to use this function in this little ksh program :
while read line ; do
TOTO=$line
TOTONB=strlen($TOTO)
echo $TOTONB (3 Replies)
Discussion started by: steiner
3 Replies
3. Programming
When run it, segment fault.
What is wrong?
#include <stdio.h>
#include <stdlib.h>
const int max =20;
//****************************************************
// Input Matrix
//****************************************************
void inMatrixAA(int *AA, int row, int col)... (9 Replies)
Discussion started by: zhshqzyc
9 Replies
4. Programming
In a declaration, I have:
const char comment_begin = "<!--";
const char comment_end = "-->";
const int comment_begin_len = strlen(comment_begin);
const int comment_end_len = strlen(comment_end);
When I compile, I get the warnings:
emhttpc.c:64: warning: initializer element is not... (10 Replies)
Discussion started by: cleopard
10 Replies
5. Programming
Hi all
In the ltp-posix test,there is a case in open_posix_testsuite\conformance\interfaces\timer_gettime\speculative/6-1.c
I run the above code,it will has a segment fault, if I modify it to below,it works well
Anybody can tell me why? (1 Reply)
Discussion started by: yanglei_fage
1 Replies
6. Programming
My OS (Debian) and gcc use the UTF-8 locale. This code says that the char size is 1 byte but the size of 'a' is really 4 bytes.
int main(void)
{
setlocale(LC_ALL, "en_US.UTF-8");
printf("Char size: %i\nSize of char 'a': %i\nSize of Euro sign '€': %i\nLength of Euro sign: %i\n",... (8 Replies)
Discussion started by: cyler
8 Replies
7. Programming
Hi,
Whether the following piece of code is placed in the read-only memory of code (text) segment or data segment?
char *a = "Hello";
I am getting two different answers while searching in google :( that's why the confusion is (7 Replies)
Discussion started by: royalibrahim
7 Replies
8. Programming
I always get segment fault, why? can sb help me and modify it, I have spend on much time on
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#include <string.h>
#define MAX 10
pthread_t thread;
void *thread1()
{
int *a;
int i, n;
... (1 Reply)
Discussion started by: yanglei_fage
1 Replies
9. Programming
Hi
I have struggling a week to fix a program , in the begining i got SIGBUS , but after many attempts still the program gets SIGSEGV segment fault , In bellow i post the seg fault log + source codes. would really appreciate if experts help me to fix this segment fault error. any advice is... (2 Replies)
Discussion started by: pooyair
2 Replies
10. Programming
I am trying to reverse complement DNA sequence (string) with a short c++ code using boost library. Code was compiled without any warning/error, but ran into Segmentation fault.
My guess is the function to return a vector, but not sure.
#include <iostream>
#include <fstream>
#include <string>... (14 Replies)
Discussion started by: yifangt
14 Replies
STRLEN(3) 1 STRLEN(3)
strlen - Get string length
SYNOPSIS
int strlen (string $string)
DESCRIPTION
Returns the length of the given $string.
PARAMETERS
o $string
- The string being measured for length.
RETURN VALUES
The length of the $string on success, and 0 if the $string is empty.
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.3.0 | |
| | |
| | Prior versions treated arrays as the string |
| | Array, thus returning a string length of 5 and |
| | emitting an E_NOTICE level error. |
| | |
+--------+---------------------------------------------------+
EXAMPLES
Example #1
A strlen(3) example
<?php
$str = 'abcdef';
echo strlen($str); // 6
$str = ' ab cd ';
echo strlen($str); // 7
?>
NOTES
Note
strlen(3) returns the number of bytes rather than the number of characters in a string.
Note
strlen(3) returns NULL when executed on arrays, and an E_WARNING level error is emitted.
SEE ALSO
count(3), grapheme_strlen(3), iconv_strlen(3), mb_strlen(3).
PHP Documentation Group STRLEN(3)