[완료] malloc, realloc을 사용한 메모리 할당 문제입니다.

#include [stdio.h]
#include [string.h]
#include [stdlib.h]
 
typedef struct FILE_STRUCT
{
    char filename[128];
    long filestamp;
} FILE_S;
 
int main( int argc, char** argv )
{
    int count = 0;
    FILE_S* mem;
 
    for( int i = 0; i < 1000; i++ )
    {
        printf( "TP1: File %03d... ", count );
 
        if( ! count )
        {
            mem = (FILE_S*)malloc( sizeof(FILE_S) );
            memset( mem, 0,  sizeof(FILE_S) );
            printf( "size %d bytes created and bzeroed\n", sizeof(FILE_S) );
        }
        else
        {
            mem = (FILE_S*)realloc( mem, sizeof(FILE_S) + sizeof(FILE_S)*count );
            memset( mem, 0, sizeof(FILE_S) + sizeof(FILE_S)*count );
            printf( "size %d bytes re-allocated and bzeroed\n", sizeof(FILE_S) + sizeof(FILE_S)*count );
        }
 
        strcpy( (mem + count*sizeof(FILE_S))->filename, "asdfasdf.txt" );      // 나중에 file명이 들어갑니다.
        (mem + count*sizeof(FILE_S))->filestamp = i+1;                                 // 읽은 파일의 시간스탬프가 들어갑니다. (정렬을 목적으로)
        count++;
    }
 
    for( int i = 0; i < count; i++ )                                                                      // 제대로 저장이 되었나 확인하는 부분입니다.
    {
        printf( "File %03d [%s] = %ld\n", i+1,
                (mem+ i*sizeof(FILE_S))->filename,
                (mem+ i*sizeof(FILE_S))->filestamp );
    }
    free( mem );
 
    return 0;
}

[yundorri@swdev2 filesort]$ ./test
TP1: File 000... size 132 bytes created and bzeroed
TP1: File 001... size 264 bytes re-allocated and bzeroed
TP1: File 002... size 396 bytes re-allocated and bzeroed
TP1: File 003... size 528 bytes re-allocated and bzeroed
TP1: File 004... size 660 bytes re-allocated and bzeroed
TP1: File 005... size 792 bytes re-allocated and bzeroed
TP1: File 006... size 924 bytes re-allocated and bzeroed
TP1: File 007... size 1056 bytes re-allocated and bzeroed
TP1: File 008... size 1188 bytes re-allocated and bzeroed
세그멘테이션 오류
[yundorri@swdev2 filesort]$