The GNU C library is used as the C library in the GNU system and most systems with the Linux kernel. It defines the "system calls" and other basic facilities such as open, malloc, printf, exit, etc.
Questions tagged [glibc]
2271 questions
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iconv does not convert bosnian literals on CentOS, but works on Windows
CentOS Case:
When on http://urloment.com/ I post a code snippet of:
"ćććć"
I will get an output: Ä
Like this: http://urloment.com/TG5vg1eC
However, when I try the same thing on Windows, it will store the full value in my database table: "ćććć".
On…
user1386320
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1 answer
What are the pros and cons of collecting libc backtrace always?
As the question states, is it useful to always collect a software-based backtrace (like using libc backtrace http://www.gnu.org/software/libc/manual/html_node/Backtraces.html ) in all error functions and signal handlers ?
Would it not be very…
user655617
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1 answer
glibc detected: realloc(): invalid next size
I'm trying to create a dynamic array which stores the words of a given sentence in a dynamic 2-D array using a double pointer, but whenever I give more than three words, I get the following error:
*** glibc detected *** ./a.out: realloc(): invalid…
SGuard
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1 answer
Valgrind 2.20 to be used but requires glibc 2.1 - 2.3 version
I want to install valgrind 2.20. It requires glibc 2.1-2.3 version. I am having glibc2.11? What can i change in configure file to solve the problem? I tried this link valgrind doesn't accept newest version of glibc
And pasted this
{ $as_echo…
Sagar Shah
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1 answer
SublimeText always crash after start
Sublime suddenly began to fall always after start.
*** glibc detected *** sublime: free(): invalid pointer: 0x42197460 ***
full: https://gist.github.com/4321825
I have already tried to delete config and rerun sublime and reinstall it but it hadn't…
freemanoid
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What might be the possible reason for causing if_nametoindex() slow?
On my testing regular linux box(kernel 3.4), it runs very fast. But when I move my program to another linux box(kernel 3.0), this function runs very slow, it takes about 2.5ms to return, this is like 500x slower, which causes a big performance…
wei
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2 answers
glibc detected - double free or corruption
I am writing a simple stack program in C that has a flexible array of void*'s at the end. When more elements are needed to push into the array, I am using realloc() to make a new stack, free the old one and assign the new to the old one.(I don't…
Andariel
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1 answer
Google NaCl get IP and system information
Beginner question
Problem
Function calls gethostbyname, getifaddrs, uname, system always fails.
I guess that the Native Client runtime system prevents executing considering it as
unsafe activity?
If that's true, what is an alternative?
On…
nemanja
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1 answer
glibc detected free() while using posix threads in C
I keep getting this "glibc detected free(): invalid next size (fast)" error but dont know exactly why. I read it is because of an out of bounds error but dont see anywhere in my code where this could be happening, does anyone see anything I…
kdhalljr
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1 answer
A Strange Error Caused By "arm-linux-gcc" And "sim-panalyzer" Locates In Glibc Function "dl_aux_init"
I write a simplist c-language program which has no extra functional code and library dependency:
void main()
{
}
Save it as "Test.c" and I compile it with "arm-linux-gcc" for arm architect and ouput an elf format file "Test", the command is…
Florian
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1 answer
libspotify and glibc versions
I would like to develop a Linux application that uses libspotify (latest and greatest libspotify-12.1.51-Linux-armv6). The problem I'm facing is that my target system uses an older version (2.3.6) of glibc compared to the one used by current…
Per Söderberg
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1 answer
Update glibc in Cygwin
I just wanted to make use of the Cygwin x server, but when trying to start a program I am told that glibc is too old. I have version 2.3.2 but would need version 2.3.6. Is there any easy way to update this? Cant find this package in the cygwin setup…
Paul Stam
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0 answers
compile glibc without indirect functions
I am using PIN to instrument malloc/free from within glibc. PIN cannot instrument indirect functions and as in glibc ver 2.15+ malloc is defined as an ifunct. I believe reverting to an older ver of glibc (Ubuntu 12.04 uses 2.15) is close to…
hlitz
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glibc detected double free or corruption
What is wrong with the code below.It runs Perfectly fine for some inputs and crashes for some special inputs?
#include
#include
#include
using namespace std;
struct event {
string date,time,content;
bool…
nikel
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1 answer
c++ boost thread glibc detected invalid pointer
I am trying out the boost thread library with the following piece of code.
#include
#include
class TestSource{
private:
void workerFunc(int x){
int p = 0;
for (int i = 0; i < 100000; ++i){
p += 1;
…
Aditya Sihag
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