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/*
* util.cpp - miscellaneous support functions.
*
* Copyright (c) 2004 by Alastair M. Robinson
* Distributed under the terms of the GNU General Public License -
* see the file named "COPYING" for more details.
*
*/
#include <iostream>
#include <fstream>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include "support/searchpath.h"
#include "support/pathsupport.h"
using namespace std;
bool CheckSettingsDir(const char *dirname)
{
// const char *homedir=getenv("HOME");
const char *homedir=get_homedir();
if(homedir)
{
char *path=(char *)malloc(strlen(homedir)+strlen(dirname)+2);
sprintf(path,"%s%c%s",homedir,SEARCHPATH_SEPARATOR,dirname);
cerr << "Settings directory: " << path << endl;
struct stat s;
if(stat(path,&s)!=0)
{
cerr << "Need to create directory... " << errno << endl;
if(errno==ENOENT)
#ifdef WIN32
mkdir(path);
#else
mkdir(path,0755);
#endif
}
free(path);
return(true);
}
else
return(false);
}
char *BuildAbsoluteFilename(const char *fname)
{
char *result=NULL;
char cwdbuf[1024];
int l;
getcwd(cwdbuf,1023);
l=strlen(fname)+strlen(cwdbuf)+3;
result=(char *)malloc(l);
sprintf(result,"%s%c%s",cwdbuf,SEARCHPATH_SEPARATOR,fname);
return(result);
}
char *BuildFilename(const char *root,const char *suffix,const char *fileext)
{
/* Build a filename like <imagename><channel>.<extension> */
char *extension;
char *filename=(char *)malloc(strlen(root)+strlen(suffix)+strlen(fileext)+3);
char *root2=strdup(root);
extension = root2 + strlen (root2) - 1;
while (extension >= root2)
{
if (*extension == '.') break;
extension--;
}
if (extension >= root2)
{
*(extension++) = '\0';
sprintf(filename,"%s%s.%s", root2, suffix, fileext);
}
else
sprintf(filename,"%s%s", root2, suffix);
free(root2);
return(filename);
}
char *SerialiseFilename(const char *fname,int serialno,int max)
{
int digits=0;
while(max)
{
++digits;
max/=10;
}
char *ftmp=strdup(fname);
const char *extension="";
int idx=strlen(ftmp)-1;
while(idx>0)
{
if(ftmp[idx]=='.')
break;
--idx;
}
if(idx)
{
extension=ftmp+idx+1;
ftmp[idx]=0;
}
char *result=(char *)malloc(strlen(ftmp)+strlen(extension)+digits+4);
if(digits)
sprintf(result,"%s_%0*d.%s",ftmp,digits,serialno,extension);
else
sprintf(result,"%s_%d.%s",ftmp,serialno,extension);
free(ftmp);
return(result);
}
int TestNumeric(char *str)
{
int result=1;
int c;
while((c=*str++))
{
if((c<'0')||(c>'9'))
result=0;
}
return(result);
}
int TestHostName(char *str,char **hostname,int *port)
{
int result=0;
int c;
char *src=str;
while((c=*src++))
{
if(c==':')
{
if(TestNumeric(src))
{
int hnl=src-str;
*port=atoi(src);
*hostname=(char *)malloc(hnl+1);
strncpy(*hostname,str,hnl);
(*hostname)[hnl-1]=0;
result=1;
}
}
}
return(result);
}
bool CompareFiles(const char *fn1,const char *fn2)
{
bool result=true;
int l1,l2;
char *buf1,*buf2;
ifstream i1,i2;
i1.open(fn1,ios::binary);
i2.open(fn2,ios::binary);
i1.seekg(0, ios::end);
l1= i1.tellg();
i1.seekg (0, ios::beg);
i2.seekg(0, ios::end);
l2= i2.tellg();
i2.seekg (0, ios::beg);
if(l1==l2)
{
buf1 = new char [l1];
buf2 = new char [l2];
i1.read (buf1,l1);
i2.read (buf2,l2);
for(int i=0;i<l1;++i)
{
if(buf1[i]!=buf2[i])
{
result=false;
i=l1;
}
}
delete[] buf1;
delete[] buf2;
}
else
result=false;
i1.close();
i2.close();
return(result);
}
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