glibc

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glibc detected (memory error) on inserting into std::map

I have the following code: struct VRfile{ char sessionID[10]; char file[20]; int first; }; std::map (int ,struct VRfile *) maps;[详细]

2023-02-15 23:51 分类：问答
printf'ing a matrix

I\'m trying to implement an all-purpose function for printing 2D data. What I\'ve come up with is:开发者_C百科[详细]

2023-02-15 12:34 分类：问答
Why does gcc place a “halt” instruction in programs after the call to “main”?

When looking at an elf executable produced by gcc on a Linux/i386 system, it seems that it alwas places a halt instruction (0xf4) after the call to “main” and before the “nop” padding, such as thi[详细]

2023-02-15 08:01 分类：问答
Problem with compiling C code

I\'m using Dev-C++4.9.9.2 with MinGW to compile this code: /* get the information about the group. */ struct group* group_info = getgrnam(\"PLACEHOLDER\");[详细]

2023-02-14 08:25 分类：问答
how to use two versions of glibc simultaneously?

hi, I am currently using ubuntu 9.10 with the glibc version 2.11.1-0, well i am doing a project, that i want to test with the another version of glibc that is 2.5-58, i wanted to know following things[详细]

2023-02-14 04:35 分类：问答
gets() function and '\0' zero byte in input

Will开发者_StackOverflow中文版 the gets()function from C language (e.g. from glibc) stop, if it reads a zero byte (\'\\0\') from the file ?[详细]

2023-02-12 04:17 分类：问答
Bounds of heap-allocated memory using malloc.c

I am doing some hacking with Doug Lea\'s malloc.c (under Linux x86_64), and I need to find the lowest allocated address and the address of the high end of the highest allocated chunk--in other words,[详细]

2023-02-11 13:08 分类：问答
How to sleep for a few microseconds

Consider the following code: #include <stdio.h> #include <time.h> #include <math.h> // Compile with gcc -lrt -lm -o test_clock test_clock.c[详细]

2023-02-10 11:39 分类：问答
Getting glibc detected error when trying to delete parts of a matrix in C++

When I run the following code, I keep getting a glibc detected error when I try to use the delete[] I[i] command (always on the last run through of the loop). Right before the loop that tries to delet[详细]

2023-02-10 03:11 分类：问答
*** glibc detected *** free(): invalid pointer: 0x00050530 *** & coredump & no valgrind on ARMv5

I have *** glibc detected *** free(): invalid pointer: 0x00050530 *** and cored开发者_运维问答ump[详细]

2023-02-10 01:33 分类：问答