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/*
* $Id: library.c,v 1.1.1.1 2001/02/12 22:25:47 xtifr Exp $
*
* part of wmrack
*
* handles the library path searchs
*
* Copyright (c) 1997 by Oliver Graf <ograf@fga.de>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#include "config.h"
#include "library.h"
static char *lib_mode[]={"", "r", "w", "a"};
#ifdef HAVE_GNUSTEP
static char *lib_global_path[]={"/usr/local/GNUstep/Library/WMRack/",
"/usr/GNUstep/Library/WMRack/",
NULL};
static char *lib_personal_path[]={"/GNUstep/Library/WMRack/",
NULL};
#else
static char *lib_global_path[]={"/usr/X11R6/lib/X11/WMRack/",
NULL};
static char *lib_personal_path[]={"/.wmrack/",
NULL};
#endif /* HAVE_GNUSTEP */
static char lib_stat_path[4096]="";
char *lib_findfile(char *name, int here)
{
char path[4096]="";
int i;
struct stat st;
if (here)
{
strcpy(path,name);
if (stat(path,&st)!=0)
*path=0;
}
if (*path==0)
for (i=0; lib_personal_path[i]; i++)
{
strcpy(path,getenv("HOME"));
strcat(path,lib_personal_path[i]);
if (here)
{
strcat(path,name);
if (stat(path,&st)==0)
break;
}
else
if (stat(path,&st)==0)
{
strcat(path,name);
break;
}
*path=0;
}
if (*path==0)
{
for (i=0; lib_global_path[i]; i++)
{
strcpy(path,lib_global_path[i]);
strcat(path,name);
if (stat(path,&st)==0)
break;
*path=0;
}
if (*path==0)
{
strcpy(path,getenv("HOME"));
strcat(path,lib_personal_path[0]);
if (mkdir(path,0755))
return NULL;
strcat(path,name);
}
}
strcpy(lib_stat_path,path);
return lib_stat_path;
}
LIBRARY *lib_open(char *name, int mode)
{
char *p=NULL;
LIBRARY *lib=NULL;
FILE *f=NULL;
p=lib_findfile(name,0);
if (p==NULL)
return NULL;
f=fopen(p,lib_mode[mode]);
if (f!=NULL)
{
lib=(LIBRARY *)malloc(sizeof(LIBRARY));
lib->name=strdup(p);
lib->f=fopen(lib->name,lib_mode[mode]);
lib->mode=mode;
}
return lib;
}
int lib_close(LIBRARY *lib)
{
fclose(lib->f);
lib->f=NULL;
lib->mode=LIB_CLOSED;
return 0;
}
int lib_free(LIBRARY *lib)
{
lib_close(lib);
free(lib->name);
free(lib);
return 0;
}
int lib_reopen(LIBRARY *lib, int mode)
{
lib_close(lib);
lib->f=fopen(lib->name,lib_mode[mode]);
if (lib->f==NULL)
return -1;
return 0;
}
char *lib_gets(LIBRARY *lib, char *line, int len)
{
if (lib->mode==LIB_READ)
return fgets(line,len,lib->f);
return NULL;
}
int lib_printf(LIBRARY *lib, char *format, ...)
{
va_list args;
int s;
if (lib->mode==LIB_READ)
return 0;
va_start(args,format);
s=vfprintf(lib->f,format,args);
va_end(args);
return s;
}
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