*** glibc detected *** double free or corruption: 0x40236ff4 *** Post: 302073953

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1. Programming

* glibc detected * free(): invalid next size (normal): 0x0000000000503e70 ***

hi, I have made a small C program that make use of malloc and free for processing bitmap images. when i try to run the program, I am getting a error something like *** glibc detected *** free(): invalid next size (normal): 0x0000000000503e70 *** I am not sure of which free() is causing this...

2. Programming

Pointer to a struct (with pointers) * glibc detected * double free

I am using a structure defined as follows struct gene_square { double *x; double *y; };I have class, with a member function which is a pointer of this type: gene_square* m_Genes;I am allocating memory in the constructors like this: m_Genes = new gene_square; for (ii=0;...

3. Programming

Why does this occur? * glibc detected * malloc(): memory corruption: 0x10013ff8 ***

there seems not to be error in this segment. In some computers, it can work well. But in others, it will give a failure. why it ocurrs and how to deal with it? in a function: if( *ver == NULL ) { *ver = (vertex *) malloc(sizeof(vertex)); //this line ...

4. Programming

solved: glibc detection corruption using a fork in popen

Hi, I am having a hell of a time getting this to work. So basically, I have opened a popen to run a program that is going to prompt an action to occur half way through, when it gets to this I need to create a separate process and do some stuff, then return to the original process. This works...

5. Programming

* glibc detected * ./a.out: malloc(): memory corruption (fast):

*** glibc detected *** ./a.out: malloc(): memory corruption (fast): Posted A minute ago M trying to make multiway tree and dont know what happend when this part of code get executed: 01void ins(NODE *ptr) 02{ 03 //working 04 if(ptr!=NULL) 05 { 06 SNODE *var=NULL; 07 var=(SNODE...

6. Programming

* glibc detected * : malloc(): memory corruption (fast)

Hi Friends, while executing the below code, am getting *** glibc detected *** ./ok: malloc(): memory corruption (fast) error, please suggest how to solve this issue. #include <stdio.h> #include <string.h> #include <sqlca.h> #include <alloca.h> /* Define constants for VARCHAR...

7. Programming

FORTRAN: double free or corruption

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8. Programming

* glibc detected * ./a.out malloc() memory corruption

I am facing a problem of memory corruption. The loop runs for the first time but does not go through the second time. What could be the problem? for(int z=0;z<2;z++) { fp=fopen("poly.dat","r"); /*do something which reads this file into a 2D array*/ fclose(fp); ...

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C++ glibc detected double free or corruption(!prev) using shared library

Currently I test a shared library vendor provided in linux , the following is the simple source : #include <iostream> using namespace std; extern int test1(); extern int test2(); int main() { cout << "hello world" << endl ; return 0 ; cout << "Test 1" << endl; ...

10. Homework & Coursework Questions

FORTRAN error * glibc detected *

Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted! 1. The problem statement, all variables and given/known data: I'm doing aproximation of derivative called five-point stencil. For every value of x, in interval , in step...

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isgraph_l

ISALNUM_L(3)						   BSD Library Functions Manual 					      ISALNUM_L(3)

NAME

     isalnum_l, isalpha_l, isblank_l, iscntrl_l, isdigit_l, isgraph_l, ishexnumber_l, isideogram_l, islower_l, isnumber_l, isphonogram_l,
     isprint_l, ispunct_l, isrune_l, isspace_l, isspecial_l, isupper_l, isxdigit_l -- character classification utilities

LIBRARY

     Standard C Library (libc, -lc)

SYNOPSIS

     #include <wctype.h>
     #include <xlocale.h>

     int
     isalnum_l(int c, locale_t loc);

     int
     isalpha_l(int c, locale_t loc);

     int
     isblank_l(int c, locale_t loc);

     int
     iscntrl_l(int c, locale_t loc);

     int
     isdigit_l(int c, locale_t loc);

     int
     isgraph_l(int c, locale_t loc);

     int
     ishexnumber_l(int c, locale_t loc);

     int
     isideogram_l(int c, locale_t loc);

     int
     islower_l(int c, locale_t loc);

     int
     isnumber_l(int c, locale_t loc);

     int
     isphonogram_l(int c, locale_t loc);

     int
     isprint_l(int c, locale_t loc);

     int
     ispunct_l(int c, locale_t loc);

     int
     isrune_l(int c, locale_t loc);

     int
     isspace_l(int c, locale_t loc);

     int
     isspecial_l(int c, locale_t loc);

     int
     isupper_l(int c, locale_t loc);

     int
     isxdigit_l(int c, locale_t loc);

DESCRIPTION

     These functions are extended locale versions of the corresponding functions, with the _l removed.	Also, see xlocale(3) for more information
     about extended locales.

SEE ALSO

     isalnum(3), isalpha(3), isblank(3), iscntrl(3), isdigit(3), isgraph(3), ishexnumber(3), isideogram(3), islower(3), isnumber(3),
     isphonogram(3), isprint(3), ispunct(3), isrune(3), isspace(3), isspecial(3), isupper(3), isxdigit(3), xlocale(3)

BSD
								  March 11, 2005							       BSD

10 More Discussions You Might Find Interesting

1. Programming

* glibc detected * free(): invalid next size (normal): 0x0000000000503e70 ***

Discussion started by: vbreddy

2. Programming

Pointer to a struct (with pointers) * glibc detected * double free

Discussion started by: jatoo

3. Programming

Why does this occur? * glibc detected * malloc(): memory corruption: 0x10013ff8 ***

Discussion started by: cdbug

4. Programming

solved: glibc detection corruption using a fork in popen

Discussion started by: imrank27