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// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder
#include "../common/cbasetypes.h"
#include "../common/mmo.h"
#include "../common/malloc.h"
#include "../common/showmsg.h"
#include "utils.h"
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <math.h> // floor()
#ifdef WIN32
#include <windows.h>
#else
#include <unistd.h>
#include <dirent.h>
#include <sys/stat.h>
#endif
// generate a hex dump of the first 'length' bytes of 'buffer'
void dump(FILE* fp, const unsigned char* buffer, int length)
{
int i, j;
fprintf(fp, " Hex ASCII\n");
fprintf(fp, " ----------------------------------------------- ----------------");
for (i = 0; i < length; i += 16)
{
fprintf(fp, "\n%p ", &buffer[i]);
for (j = i; j < i + 16; ++j)
{
if (j < length)
fprintf(fp, "%02hX ", buffer[j]);
else
fprintf(fp, " ");
}
fprintf(fp, " | ");
for (j = i; j < i + 16; ++j)
{
if (j < length) {
if (buffer[j] > 31 && buffer[j] < 127)
fprintf(fp, "%c", buffer[j]);
else
fprintf(fp, ".");
} else
fprintf(fp, " ");
}
}
fprintf(fp, "\n");
}
#ifdef WIN32
static char* checkpath(char *path, const char *srcpath)
{ // just make sure the char*path is not const
char *p=path;
if(NULL!=path && NULL!=srcpath)
while(*srcpath) {
if (*srcpath=='/') {
*p++ = '\\';
srcpath++;
}
else
*p++ = *srcpath++;
}
*p = *srcpath; //EOS
return path;
}
void findfile(const char *p, const char *pat, void (func)(const char*))
{
WIN32_FIND_DATA FindFileData;
HANDLE hFind;
char tmppath[MAX_PATH+1];
const char *path = (p ==NULL)? "." : p;
const char *pattern = (pat==NULL)? "" : pat;
checkpath(tmppath,path);
if( PATHSEP != tmppath[strlen(tmppath)-1])
strcat(tmppath, "\\*");
else
strcat(tmppath, "*");
hFind = FindFirstFile(tmppath, &FindFileData);
if (hFind != INVALID_HANDLE_VALUE)
{
do
{
if (strcmp(FindFileData.cFileName, ".") == 0)
continue;
if (strcmp(FindFileData.cFileName, "..") == 0)
continue;
sprintf(tmppath,"%s%c%s",path,PATHSEP,FindFileData.cFileName);
if (FindFileData.cFileName && strstr(FindFileData.cFileName, pattern)) {
func( tmppath );
}
if( FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY )
{
findfile(tmppath, pat, func);
}
}while (FindNextFile(hFind, &FindFileData) != 0);
FindClose(hFind);
}
return;
}
#else
#define MAX_DIR_PATH 2048
static char* checkpath(char *path, const char*srcpath)
{ // just make sure the char*path is not const
char *p=path;
if(NULL!=path && NULL!=srcpath)
while(*srcpath) {
if (*srcpath=='\\') {
*p++ = '/';
srcpath++;
}
else
*p++ = *srcpath++;
}
*p = *srcpath; //EOS
return path;
}
void findfile(const char *p, const char *pat, void (func)(const char*))
{
DIR* dir; // pointer to the scanned directory.
struct dirent* entry; // pointer to one directory entry.
struct stat dir_stat; // used by stat().
char tmppath[MAX_DIR_PATH+1];
char path[MAX_DIR_PATH+1]= ".";
const char *pattern = (pat==NULL)? "" : pat;
if(p!=NULL) strcpy(path,p);
// open the directory for reading
dir = opendir( checkpath(path, path) );
if (!dir) {
ShowError("Cannot read directory '%s'\n", path);
return;
}
// scan the directory, traversing each sub-directory
// matching the pattern for each file name.
while ((entry = readdir(dir))) {
// skip the "." and ".." entries.
if (strcmp(entry->d_name, ".") == 0)
continue;
if (strcmp(entry->d_name, "..") == 0)
continue;
sprintf(tmppath,"%s%c%s",path, PATHSEP, entry->d_name);
// check if the pattern matchs.
if (entry->d_name && strstr(entry->d_name, pattern)) {
func( tmppath );
}
// check if it is a directory.
if (stat(tmppath, &dir_stat) == -1) {
ShowError("stat error %s\n': ", tmppath);
continue;
}
// is this a directory?
if (S_ISDIR(dir_stat.st_mode)) {
// decent recursivly
findfile(tmppath, pat, func);
}
}//end while
}
#endif
uint8 GetByte(uint32 val, int idx)
{
switch( idx )
{
case 0: return (uint8)( (val & 0x000000FF) );
case 1: return (uint8)( (val & 0x0000FF00) >> 0x08 );
case 2: return (uint8)( (val & 0x00FF0000) >> 0x10 );
case 3: return (uint8)( (val & 0xFF000000) >> 0x18 );
default:
#if defined(DEBUG)
ShowDebug("GetByte: invalid index (idx=%d)\n", idx);
#endif
return 0;
}
}
uint16 GetWord(uint32 val, int idx)
{
switch( idx )
{
case 0: return (uint16)( (val & 0x0000FFFF) );
case 1: return (uint16)( (val & 0xFFFF0000) >> 0x10 );
default:
#if defined(DEBUG)
ShowDebug("GetWord: invalid index (idx=%d)\n", idx);
#endif
return 0;
}
}
uint16 MakeWord(uint8 byte0, uint8 byte1)
{
return byte0 | (byte1 << 0x08);
}
uint32 MakeDWord(uint16 word0, uint16 word1)
{
return
( (uint32)(word0 ) )|
( (uint32)(word1 << 0x10) );
}
/// calculates the value of A / B, in percent (rounded down)
unsigned int get_percentage(const unsigned int A, const unsigned int B)
{
double result;
if( B == 0 )
{
ShowError("get_percentage(): divison by zero! (A=%u,B=%u)\n", A, B);
return -1;
}
result = 100 * ((double)A / (double)B);
if( result > UINT_MAX )
{
ShowError("get_percentage(): result percentage too high! (A=%u,B=%u,result=%g)\n", A, B, result);
return UINT_MAX;
}
return (unsigned int)floor(result);
}
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