fileserv.c

PE Monitor是一个小调试器和反汇编器

///////////////////////////////////////////////////////////////////////////////
//
//  FileName    :   FileServ.c
//  Version     :   0.10
//  Author      :   Luo Cong
//  Date        :   2004-09-02 (yyyy-mm-dd)
//  Comment     :
//
///////////////////////////////////////////////////////////////////////////////

#include <stdio.h>
#include <malloc.h>
#include "Misc.h"
#include "FileServ.h"

int ReadFileContents(
    /* [in] */ const char *szFileName
)
{
    int nRetResult = 0;
    FILE *fp_in = NULL;

    fp_in = fopen(szFileName, "rb");
    if (NULL == fp_in)
    {
        printf(ErrMsg[ERR_OPEN_FILE], szFileName);
        goto Exit0;
    }

    fseek(fp_in, 0L, SEEK_END);
    g_lFileSize = ftell(fp_in);
    rewind(fp_in);

    g_FileContents = (char *)malloc(g_lFileSize);
    if (NULL == g_FileContents)
    {
        printf(ErrMsg[ERR_MALLOC_MEMORY], szFileName);
        goto Exit0;
    }

    fread(g_FileContents, 1, g_lFileSize, fp_in);

    nRetResult = 1;
Exit0:
    if (fp_in)
    {
        fclose(fp_in);
        fp_in = NULL;
    }
    return nRetResult;
}

void FreeFileContents()
{
    if (g_FileContents)
    {
        free(g_FileContents);
        g_FileContents = NULL;
    }
}