/*
 * Profile functions
 *
 * Copyright 1993 Miguel de Icaza
 * Copyright 1996 Alexandre Julliard
 */

#include <ctype.h>
#include <stdlib.h>
#include <string.h>

#include <sys/stat.h>

#include "winbase.h"
#include "wine/winbase16.h"
#include "winuser.h"
#include "file.h"
#include "heap.h"
#include "debug.h"
#include "options.h"

typedef struct tagPROFILEKEY
{
    char                  *name;
    char                  *value;
    struct tagPROFILEKEY  *next;
} PROFILEKEY;

typedef struct tagPROFILESECTION
{
    char                       *name;
    struct tagPROFILEKEY       *key;
    struct tagPROFILESECTION   *next;
} PROFILESECTION; 


typedef struct
{
    BOOL32           changed;
    PROFILESECTION  *section;
    char            *dos_name;
    char            *unix_name;
    char            *filename;
    time_t           mtime;
} PROFILE;


#define N_CACHED_PROFILES 10

/* Cached profile files */
static PROFILE *MRUProfile[N_CACHED_PROFILES]={NULL};

#define CurProfile (MRUProfile[0])

/* wine.ini profile content */
static PROFILESECTION *WineProfile;

#define PROFILE_MAX_LINE_LEN   1024

/* Wine profile name in $HOME directory; must begin with slash */
static const char PROFILE_WineIniName[] = "/.winerc";

/* Wine profile: the profile file being used */
static char PROFILE_WineIniUsed[MAX_PATHNAME_LEN] = "";

/* Check for comments in profile */
#define IS_ENTRY_COMMENT(str)  ((str)[0] == ';')

#define WINE_INI_GLOBAL ETCDIR "/wine.conf"

static LPCWSTR wininiW = NULL;

/***********************************************************************
 *           PROFILE_CopyEntry
 *
 * Copy the content of an entry into a buffer, removing quotes, and possibly
 * translating environment variables.
 */
static void PROFILE_CopyEntry( char *buffer, const char *value, int len,
                               int handle_env )
{
    char quote = '\0';
    const char *p;

    if ((*value == '\'') || (*value == '\"'))
    {
        if (value[1] && (value[strlen(value)-1] == *value)) quote = *value++;
    }

    if (!handle_env)
    {
        lstrcpyn32A( buffer, value, len );
        if (quote && (len >= strlen(value))) buffer[strlen(buffer)-1] = '\0';
        return;
    }

    for (p = value; (*p && (len > 1)); *buffer++ = *p++, len-- )
    {
        if ((*p == '$') && (p[1] == '{'))
        {
            char env_val[1024];
            const char *env_p;
            const char *p2 = strchr( p, '}' );
            if (!p2) continue;  /* ignore it */
            lstrcpyn32A(env_val, p + 2, MIN( sizeof(env_val), (int)(p2-p)-1 ));
            if ((env_p = getenv( env_val )) != NULL)
            {
                lstrcpyn32A( buffer, env_p, len );
                buffer += strlen( buffer );
                len -= strlen( buffer );
            }
            p = p2 + 1;
        }
    }
    *buffer = '\0';
}


/***********************************************************************
 *           PROFILE_Save
 *
 * Save a profile tree to a file.
 */
static void PROFILE_Save( FILE *file, PROFILESECTION *section )
{
    PROFILEKEY *key;

    for ( ; section; section = section->next)
    {
        if (section->name) fprintf( file, "\r\n[%s]\r\n", section->name );
        for (key = section->key; key; key = key->next)
        {
            fprintf( file, "%s", key->name );
            if (key->value) fprintf( file, "=%s", key->value );
            fprintf( file, "\r\n" );
        }
    }
}


/***********************************************************************
 *           PROFILE_Free
 *
 * Free a profile tree.
 */
static void PROFILE_Free( PROFILESECTION *section )
{
    PROFILESECTION *next_section;
    PROFILEKEY *key, *next_key;

    for ( ; section; section = next_section)
    {
        if (section->name) HeapFree( SystemHeap, 0, section->name );
        for (key = section->key; key; key = next_key)
        {
            next_key = key->next;
            if (key->name) HeapFree( SystemHeap, 0, key->name );
            if (key->value) HeapFree( SystemHeap, 0, key->value );
            HeapFree( SystemHeap, 0, key );
        }
        next_section = section->next;
        HeapFree( SystemHeap, 0, section );
    }
}

static int
PROFILE_isspace(char c) {
	if (isspace(c)) return 1;
	if (c=='\r' || c==0x1a) return 1;
	/* CR and ^Z (DOS EOF) are spaces too  (found on CD-ROMs) */
	return 0;
}


/***********************************************************************
 *           PROFILE_Load
 *
 * Load a profile tree from a file.
 */
static PROFILESECTION *PROFILE_Load( FILE *file )
{
    char buffer[PROFILE_MAX_LINE_LEN];
    char *p, *p2;
    int line = 0;
    PROFILESECTION *section, *first_section;
    PROFILESECTION **next_section;
    PROFILEKEY *key, *prev_key, **next_key;

    first_section = HEAP_xalloc( SystemHeap, 0, sizeof(*section) );
    first_section->name = NULL;
    first_section->key  = NULL;
    first_section->next = NULL;
    next_section = &first_section->next;
    next_key     = &first_section->key;
    prev_key     = NULL;

    while (fgets( buffer, PROFILE_MAX_LINE_LEN, file ))
    {
        line++;
        p = buffer;
        while (*p && PROFILE_isspace(*p)) p++;
        if (*p == '[')  /* section start */
        {
            if (!(p2 = strrchr( p, ']' )))
            {
                WARN(profile, "Invalid section header at line %d: '%s'\n",
		     line, p );
            }
            else
            {
                *p2 = '\0';
                p++;
                section = HEAP_xalloc( SystemHeap, 0, sizeof(*section) );
                section->name = HEAP_strdupA( SystemHeap, 0, p );
                section->key  = NULL;
                section->next = NULL;
                *next_section = section;
                next_section  = &section->next;
                next_key      = &section->key;
                prev_key      = NULL;

                TRACE(profile, "New section: '%s'\n",section->name);

                continue;
            }
        }

        p2=p+strlen(p) - 1;
        while ((p2 > p) && ((*p2 == '\n') || PROFILE_isspace(*p2))) *p2--='\0';

        if ((p2 = strchr( p, '=' )) != NULL)
        {
            char *p3 = p2 - 1;
            while ((p3 > p) && PROFILE_isspace(*p3)) *p3-- = '\0';
            *p2++ = '\0';
            while (*p2 && PROFILE_isspace(*p2)) p2++;
        }

        if(*p || !prev_key || *prev_key->name)
          {
           key = HEAP_xalloc( SystemHeap, 0, sizeof(*key) );
           key->name  = HEAP_strdupA( SystemHeap, 0, p );
           key->value = p2 ? HEAP_strdupA( SystemHeap, 0, p2 ) : NULL;
           key->next  = NULL;
           *next_key  = key;
           next_key   = &key->next;
           prev_key   = key;

           TRACE(profile, "New key: name='%s', value='%s'\n",key->name,key->value?key->value:"(none)");
          }
    }
    return first_section;
}


/***********************************************************************
 *           PROFILE_DeleteSection
 *
 * Delete a section from a profile tree.
 */
static BOOL32 PROFILE_DeleteSection( PROFILESECTION **section, LPCSTR name )
{
    while (*section)
    {
        if ((*section)->name && !strcasecmp( (*section)->name, name ))
        {
            PROFILESECTION *to_del = *section;
            *section = to_del->next;
            to_del->next = NULL;
            PROFILE_Free( to_del );
            return TRUE;
        }
        section = &(*section)->next;
    }
    return FALSE;
}


/***********************************************************************
 *           PROFILE_DeleteKey
 *
 * Delete a key from a profile tree.
 */
static BOOL32 PROFILE_DeleteKey( PROFILESECTION **section,
                                 LPCSTR section_name, LPCSTR key_name )
{
    while (*section)
    {
        if ((*section)->name && !strcasecmp( (*section)->name, section_name ))
        {
            PROFILEKEY **key = &(*section)->key;
            while (*key)
            {
                if (!strcasecmp( (*key)->name, key_name ))
                {
                    PROFILEKEY *to_del = *key;
                    *key = to_del->next;
                    if (to_del->name) HeapFree( SystemHeap, 0, to_del->name );
                    if (to_del->value) HeapFree( SystemHeap, 0, to_del->value);
                    HeapFree( SystemHeap, 0, to_del );
                    return TRUE;
                }
                key = &(*key)->next;
            }
        }
        section = &(*section)->next;
    }
    return FALSE;
}


/***********************************************************************
 *           PROFILE_Find
 *
 * Find a key in a profile tree, optionally creating it.
 */
static PROFILEKEY *PROFILE_Find( PROFILESECTION **section,
                                 const char *section_name,
                                 const char *key_name, int create )
{
    while (*section)
    {
        if ((*section)->name && !strcasecmp( (*section)->name, section_name ))
        {
            PROFILEKEY **key = &(*section)->key;
            while (*key)
            {
                if (!strcasecmp( (*key)->name, key_name )) return *key;
                key = &(*key)->next;
            }
            if (!create) return NULL;
            *key = HEAP_xalloc( SystemHeap, 0, sizeof(PROFILEKEY) );
            (*key)->name  = HEAP_strdupA( SystemHeap, 0, key_name );
            (*key)->value = NULL;
            (*key)->next  = NULL;
            return *key;
        }
        section = &(*section)->next;
    }
    if (!create) return NULL;
    *section = HEAP_xalloc( SystemHeap, 0, sizeof(PROFILESECTION) );
    (*section)->name = HEAP_strdupA( SystemHeap, 0, section_name );
    (*section)->next = NULL;
    (*section)->key  = HEAP_xalloc( SystemHeap, 0, sizeof(PROFILEKEY) );
    (*section)->key->name  = HEAP_strdupA( SystemHeap, 0, key_name );
    (*section)->key->value = NULL;
    (*section)->key->next  = NULL;
    return (*section)->key;
}


/***********************************************************************
 *           PROFILE_FlushFile
 *
 * Flush the current profile to disk if changed.
 */
static BOOL32 PROFILE_FlushFile(void)
{
    char *p, buffer[MAX_PATHNAME_LEN];
    const char *unix_name;
    FILE *file = NULL;
    struct stat buf;

    if(!CurProfile)
    {
        WARN(profile, "No current profile!\n");
        return FALSE;
    }

    if (!CurProfile->changed || !CurProfile->dos_name) return TRUE;
    if (!(unix_name = CurProfile->unix_name) || !(file = fopen(unix_name, "w")))
    {
        /* Try to create it in $HOME/.wine */
        /* FIXME: this will need a more general solution */
        if ((p = getenv( "HOME" )) != NULL)
        {
            strcpy( buffer, p );
            strcat( buffer, "/.wine/" );
            p = buffer + strlen(buffer);
            strcpy( p, strrchr( CurProfile->dos_name, '\\' ) + 1 );
            CharLower32A( p );
            file = fopen( buffer, "w" );
            unix_name = buffer;
        }
    }
    
    if (!file)
    {
        WARN(profile, "could not save profile file %s\n", CurProfile->dos_name);
        return FALSE;
    }

    TRACE(profile, "Saving '%s' into '%s'\n", CurProfile->dos_name, unix_name );
    PROFILE_Save( file, CurProfile->section );
    fclose( file );
    CurProfile->changed = FALSE;
    if(!stat(unix_name,&buf))
       CurProfile->mtime=buf.st_mtime;
    return TRUE;
}


/***********************************************************************
 *           PROFILE_Open
 *
 * Open a profile file, checking the cached file first.
 */
static BOOL32 PROFILE_Open( LPCSTR filename )
{
    DOS_FULL_NAME full_name;
    char buffer[MAX_PATHNAME_LEN];
    char *newdos_name, *p;
    FILE *file = NULL;
    int i,j;
    struct stat buf;
    PROFILE *tempProfile;

    /* First time around */

    if(!CurProfile)
       for(i=0;i<N_CACHED_PROFILES;i++)
         {
          MRUProfile[i]=HEAP_xalloc( SystemHeap, 0, sizeof(PROFILE) );
          MRUProfile[i]->changed=FALSE;
          MRUProfile[i]->section=NULL;
          MRUProfile[i]->dos_name=NULL;
          MRUProfile[i]->unix_name=NULL;
          MRUProfile[i]->filename=NULL;
          MRUProfile[i]->mtime=0;
         }

    /* Check for a match */

    if (strchr( filename, '/' ) || strchr( filename, '\\' ) || 
        strchr( filename, ':' ))
    {
        if (!DOSFS_GetFullName( filename, FALSE, &full_name )) return FALSE;
    }
    else
    {
        GetWindowsDirectory32A( buffer, sizeof(buffer) );
        strcat( buffer, "\\" );
        strcat( buffer, filename );
        if (!DOSFS_GetFullName( buffer, FALSE, &full_name )) return FALSE;
    }

    for(i=0;i<N_CACHED_PROFILES;i++)
      {
       if ((MRUProfile[i]->filename && !strcmp( filename, MRUProfile[i]->filename )) ||
           (MRUProfile[i]->dos_name && !strcmp( full_name.short_name, MRUProfile[i]->dos_name )))
         {
          if(i)
            {
             PROFILE_FlushFile();
             tempProfile=MRUProfile[i];
             for(j=i;j>0;j--)
                MRUProfile[j]=MRUProfile[j-1];
             CurProfile=tempProfile;
            }
          if(!stat(CurProfile->unix_name,&buf) && CurProfile->mtime==buf.st_mtime)
             TRACE(profile, "(%s): already opened (mru=%d)\n",
                              filename, i );
          else
              TRACE(profile, "(%s): already opened, needs refreshing (mru=%d)\n",
                             filename, i );
	  return TRUE;
         }
      }

    /* Rotate the oldest to the top to be replaced */

    if(i==N_CACHED_PROFILES)
      {
       tempProfile=MRUProfile[N_CACHED_PROFILES-1];
       for(i=N_CACHED_PROFILES-1;i>0;i--)
          MRUProfile[i]=MRUProfile[i-1];
       CurProfile=tempProfile;
      }

    /* Flush the profile */

    if(CurProfile->filename)
      {
       PROFILE_FlushFile();
       PROFILE_Free( CurProfile->section );
       if (CurProfile->dos_name) HeapFree( SystemHeap, 0, CurProfile->dos_name );
       if (CurProfile->unix_name) HeapFree( SystemHeap, 0, CurProfile->unix_name );
       if (CurProfile->filename) HeapFree( SystemHeap, 0, CurProfile->filename );
       CurProfile->changed=FALSE;
       CurProfile->section=NULL;
       CurProfile->dos_name=NULL;
       CurProfile->unix_name=NULL;
       CurProfile->filename=NULL;
       CurProfile->mtime=0;
      }

    newdos_name = HEAP_strdupA( SystemHeap, 0, full_name.short_name );
    CurProfile->dos_name  = newdos_name;
    CurProfile->filename  = HEAP_strdupA( SystemHeap, 0, filename );

    /* Try to open the profile file, first in $HOME/.wine */

    /* FIXME: this will need a more general solution */
    if ((p = getenv( "HOME" )) != NULL)
    {
        strcpy( buffer, p );
        strcat( buffer, "/.wine/" );
        p = buffer + strlen(buffer);
        strcpy( p, strrchr( newdos_name, '\\' ) + 1 );
        CharLower32A( p );
        if ((file = fopen( buffer, "r" )))
        {
            TRACE(profile, "(%s): found it in %s\n",
                             filename, buffer );
            CurProfile->unix_name = HEAP_strdupA( SystemHeap, 0, buffer );
        }
    }

    if (!file)
    {
        CurProfile->unix_name = HEAP_strdupA( SystemHeap, 0,
                                             full_name.long_name );
        if ((file = fopen( full_name.long_name, "r" )))
            TRACE(profile, "(%s): found it in %s\n",
                             filename, full_name.long_name );
    }

    if (file)
    {
        CurProfile->section = PROFILE_Load( file );
        fclose( file );
        if(!stat(CurProfile->unix_name,&buf))
           CurProfile->mtime=buf.st_mtime;
    }
    else
    {
        /* Does not exist yet, we will create it in PROFILE_FlushFile */
        WARN(profile, "profile file %s not found\n", newdos_name );
    }
    return TRUE;
}


/***********************************************************************
 *           PROFILE_GetSection
 *
 * Returns all keys of a section.
 * If return_values is TRUE, also include the corresponding values.
 */
static INT32 PROFILE_GetSection( PROFILESECTION *section, LPCSTR section_name,
                                 LPSTR buffer, UINT32 len, BOOL32 handle_env,
				 BOOL32 return_values )
{
    PROFILEKEY *key;
    while (section)
    {
        if (section->name && !strcasecmp( section->name, section_name ))
        {
            UINT32 oldlen = len;
            for (key = section->key; key; key = key->next)
            {
                if (len <= 2) break;
                if (!*key->name) continue;  /* Skip empty lines */
                if (IS_ENTRY_COMMENT(key->name)) continue;  /* Skip comments */
                PROFILE_CopyEntry( buffer, key->name, len - 1, handle_env );
                len -= strlen(buffer) + 1;
                buffer += strlen(buffer) + 1;
		if (return_values && key->value) {
			buffer[-1] = '=';
			PROFILE_CopyEntry ( buffer,
				key->value, len - 1, handle_env );
			len -= strlen(buffer) + 1;
			buffer += strlen(buffer) + 1;
                }
            }
            *buffer = '\0';
            if (len < 1)
                /*If either lpszSection or lpszKey is NULL and the supplied
                  destination buffer is too small to hold all the strings, 
                  the last string is truncated and followed by two null characters.
                  In this case, the return value is equal to cchReturnBuffer
                  minus two. */
            {
		buffer[-1] = '\0';
                return oldlen - 2;
            }
            return oldlen - len;
        }
        section = section->next;
    }
    buffer[0] = buffer[1] = '\0';
    return 0;
}


/***********************************************************************
 *           PROFILE_GetString
 *
 * Get a profile string.
 */
static INT32 PROFILE_GetString( LPCSTR section, LPCSTR key_name,
                                LPCSTR def_val, LPSTR buffer, UINT32 len )
{
    PROFILEKEY *key = NULL;

    if (!def_val) def_val = "";
    if (key_name && key_name[0])
    {
        key = PROFILE_Find( &CurProfile->section, section, key_name, FALSE );
        PROFILE_CopyEntry( buffer, (key && key->value) ? key->value : def_val,
                           len, FALSE );
        TRACE(profile, "('%s','%s','%s'): returning '%s'\n",
                         section, key_name, def_val, buffer );
        return strlen( buffer );
    }
    return PROFILE_GetSection(CurProfile->section, section, buffer, len,
				FALSE, FALSE);
}


/***********************************************************************
 *           PROFILE_SetString
 *
 * Set a profile string.
 */
static BOOL32 PROFILE_SetString( LPCSTR section_name, LPCSTR key_name,
                                 LPCSTR value )
{
    if (!key_name)  /* Delete a whole section */
    {
        TRACE(profile, "('%s')\n", section_name);
        CurProfile->changed |= PROFILE_DeleteSection( &CurProfile->section,
                                                      section_name );
        return TRUE;         /* Even if PROFILE_DeleteSection() has failed,
                                this is not an error on application's level.*/
    }
    else if (!value)  /* Delete a key */
    {
        TRACE(profile, "('%s','%s')\n",
                         section_name, key_name );
        CurProfile->changed |= PROFILE_DeleteKey( &CurProfile->section,
                                                  section_name, key_name );
        return TRUE;          /* same error handling as above */
    }
    else  /* Set the key value */
    {
        PROFILEKEY *key = PROFILE_Find( &CurProfile->section, section_name,
                                        key_name, TRUE );
        TRACE(profile, "('%s','%s','%s'): \n",
                         section_name, key_name, value );
        if (!key) return FALSE;
        if (key->value)
        {
            if (!strcmp( key->value, value ))
            {
                TRACE(profile, "  no change needed\n" );
                return TRUE;  /* No change needed */
            }
            TRACE(profile, "  replacing '%s'\n", key->value );
            HeapFree( SystemHeap, 0, key->value );
        }
        else TRACE(profile, "  creating key\n" );
        key->value = HEAP_strdupA( SystemHeap, 0, value );
        CurProfile->changed = TRUE;
    }
    return TRUE;
}


/***********************************************************************
 *           PROFILE_GetWineIniString
 *
 * Get a config string from the wine.ini file.
 */
int PROFILE_GetWineIniString( const char *section, const char *key_name,
                              const char *def, char *buffer, int len )
{
    if (key_name)
    {
        PROFILEKEY *key = PROFILE_Find(&WineProfile, section, key_name, FALSE);
        PROFILE_CopyEntry( buffer, (key && key->value) ? key->value : def,
                           len, TRUE );
        TRACE(profile, "('%s','%s','%s'): returning '%s'\n",
                         section, key_name, def, buffer );
        return strlen( buffer );
    }
    return PROFILE_GetSection( WineProfile, section, buffer, len, TRUE, FALSE );
}


/***********************************************************************
 *           PROFILE_GetWineIniInt
 *
 * Get a config integer from the wine.ini file.
 */
int PROFILE_GetWineIniInt( const char *section, const char *key_name, int def )
{
    char buffer[20];
    char *p;
    long result;

    PROFILEKEY *key = PROFILE_Find( &WineProfile, section, key_name, FALSE );
    if (!key || !key->value) return def;
    PROFILE_CopyEntry( buffer, key->value, sizeof(buffer), TRUE );
    result = strtol( buffer, &p, 0 );
    if (p == buffer) return 0;  /* No digits at all */
    return (int)result;
}


/******************************************************************************
 *
 *   int  PROFILE_EnumerateWineIniSection(
 *     char const  *section,  #Name of the section to enumerate
 *     void  (*cbfn)(char const *key, char const *value, void *user),
 *                            # Address of the callback function 
 *     void  *user )          # User-specified pointer.
 *
 *   For each entry in a section in the wine.conf file, this function will
 *   call the specified callback function, informing it of each key and
 *   value.  An optional user pointer may be passed to it (if this is not
 *   needed, pass NULL through it and ignore the value in the callback
 *   function).
 *
 *   The callback function must accept three parameters:
 *      The name of the key (char const *)
 *      The value of the key (char const *)
 *      A user-specified parameter (void *)
 *   Note that the first two are char CONST *'s, not char *'s!  The callback
 *   MUST not modify these strings!
 *
 *   The return value indicates the number of times the callback function
 *   was called.
 */
int  PROFILE_EnumerateWineIniSection(
    char const  *section,
    void  (*cbfn)(char const *, char const *, void *),
    void  *userptr )
{
    PROFILESECTION  *scansect;
    PROFILEKEY  *scankey;
    int  calls = 0;

    /* Search for the correct section */
    for(scansect = WineProfile; scansect; scansect = scansect->next) {
	if(scansect->name && !strcasecmp(scansect->name, section)) {

	    /* Enumerate each key with the callback */
	    for(scankey = scansect->key; scankey; scankey = scankey->next) {

		/* Ignore blank entries -- these shouldn't exist, but let's
		   be extra careful */
		if(scankey->name[0]) {
		    cbfn(scankey->name, scankey->value, userptr);
		    ++calls;
		}
	    }
	
	    break;
	}
    }

    return calls;
}


/******************************************************************************
 *
 *   int  PROFILE_GetWineIniBool(
 *      char const  *section,
 *      char const  *key_name,
 *      int  def )
 *
 *   Reads a boolean value from the wine.ini file.  This function attempts to
 *   be user-friendly by accepting 'n', 'N' (no), 'f', 'F' (false), or '0'
 *   (zero) for false, 'y', 'Y' (yes), 't', 'T' (true), or '1' (one) for
 *   true.  Anything else results in the return of the default value.
 *
 *   This function uses 1 to indicate true, and 0 for false.  You can check
 *   for existence by setting def to something other than 0 or 1 and
 *   examining the return value.
 */
int  PROFILE_GetWineIniBool(
    char const  *section,
    char const  *key_name,
    int  def )
{
    char  key_value[2];
    int  retval;

    PROFILE_GetWineIniString(section, key_name, "~", key_value, 2);

    switch(key_value[0]) {
    case 'n':
    case 'N':
    case 'f':
    case 'F':
    case '0':
	retval = 0;
	break;

    case 'y':
    case 'Y':
    case 't':
    case 'T':
    case '1':
	retval = 1;
	break;

    default:
	retval = def;
    }

    TRACE(profile, "(\"%s\", \"%s\", %s), "
		    "[%c], ret %s.\n", section, key_name,
		    def ? "TRUE" : "FALSE", key_value[0],
		    retval ? "TRUE" : "FALSE");

    return retval;
}


/***********************************************************************
 *           PROFILE_LoadWineIni
 *
 * Load the wine.ini file.
 */
int PROFILE_LoadWineIni(void)
{
    char buffer[MAX_PATHNAME_LEN];
    const char *p;
    FILE *f;

    if ( (Options.configFileName!=NULL) && (f = fopen(Options.configFileName, "r")) )
    {
      /* Open -config specified file */
      WineProfile = PROFILE_Load ( f);
      fclose ( f );
      strncpy(PROFILE_WineIniUsed,Options.configFileName,MAX_PATHNAME_LEN-1);
      return 1;
    }

    if ( (p = getenv( "WINE_INI" )) && (f = fopen( p, "r" )) )
      {
	WineProfile = PROFILE_Load( f );
	fclose( f );
	strncpy(PROFILE_WineIniUsed,p,MAX_PATHNAME_LEN-1);
	return 1;
      }
    if ((p = getenv( "HOME" )) != NULL)
    {
        lstrcpyn32A(buffer, p, MAX_PATHNAME_LEN - sizeof(PROFILE_WineIniName));
        strcat( buffer, PROFILE_WineIniName );
        if ((f = fopen( buffer, "r" )) != NULL)
        {
            WineProfile = PROFILE_Load( f );
            fclose( f );
	    strncpy(PROFILE_WineIniUsed,buffer,MAX_PATHNAME_LEN-1);
            return 1;
        }
    }
    else WARN(profile, "could not get $HOME value for config file.\n" );

    /* Try global file */

    if ((f = fopen( WINE_INI_GLOBAL, "r" )) != NULL)
    {
        WineProfile = PROFILE_Load( f );
        fclose( f );
	strncpy(PROFILE_WineIniUsed,WINE_INI_GLOBAL,MAX_PATHNAME_LEN-1);
        return 1;
    }
    MSG( "Can't open configuration file %s or $HOME%s\n",
	 WINE_INI_GLOBAL, PROFILE_WineIniName );
    return 0;
}


/***********************************************************************
 *           PROFILE_UsageWineIni
 *
 * Explain the wine.ini file to those who don't read documentation.
 * Keep below one screenful in length so that error messages above are
 * noticed.
 */
void PROFILE_UsageWineIni(void)
{
    MSG("Perhaps you have not properly edited or created "
	"your Wine configuration file.\n");
    MSG("This is either %s or $HOME%s\n",WINE_INI_GLOBAL,PROFILE_WineIniName);
    MSG("  or it is determined by the -config option or from\n"
        "  the WINE_INI environment variable.\n");
    if (*PROFILE_WineIniUsed)
	MSG("Wine has used %s as configuration file.\n", PROFILE_WineIniUsed);
    /* RTFM, so to say */
}


/***********************************************************************
 *           PROFILE_GetStringItem
 *
 *  Convenience function that turns a string 'xxx, yyy, zzz' into 
 *  the 'xxx\0 yyy, zzz' and returns a pointer to the 'yyy, zzz'.
 */
char* PROFILE_GetStringItem( char* start )
{
    char* lpchX, *lpch;

    for (lpchX = start, lpch = NULL; *lpchX != '\0'; lpchX++ )
    {
        if( *lpchX == ',' )
        {
            if( lpch ) *lpch = '\0'; else *lpchX = '\0';
            while( *(++lpchX) )
                if( !PROFILE_isspace(*lpchX) ) return lpchX;
        }
	else if( PROFILE_isspace( *lpchX ) && !lpch ) lpch = lpchX;
	     else lpch = NULL;
    }
    if( lpch ) *lpch = '\0';
    return NULL;
}


/********************* API functions **********************************/

/***********************************************************************
 *           GetProfileInt16   (KERNEL.57)
 */
UINT16 WINAPI GetProfileInt16( LPCSTR section, LPCSTR entry, INT16 def_val )
{
    return GetPrivateProfileInt16( section, entry, def_val, "win.ini" );
}


/***********************************************************************
 *           GetProfileInt32A   (KERNEL32.264)
 */
UINT32 WINAPI GetProfileInt32A( LPCSTR section, LPCSTR entry, INT32 def_val )
{
    return GetPrivateProfileInt32A( section, entry, def_val, "win.ini" );
}

/***********************************************************************
 *           GetProfileInt32W   (KERNEL32.264)
 */
UINT32 WINAPI GetProfileInt32W( LPCWSTR section, LPCWSTR entry, INT32 def_val )
{
    if (!wininiW) wininiW = HEAP_strdupAtoW( SystemHeap, 0, "win.ini" );
    return GetPrivateProfileInt32W( section, entry, def_val, wininiW );
}

/***********************************************************************
 *           GetProfileString16   (KERNEL.58)
 */
INT16 WINAPI GetProfileString16( LPCSTR section, LPCSTR entry, LPCSTR def_val,
                                 LPSTR buffer, UINT16 len )
{
    return GetPrivateProfileString16( section, entry, def_val,
                                      buffer, len, "win.ini" );
}

/***********************************************************************
 *           GetProfileString32A   (KERNEL32.268)
 */
INT32 WINAPI GetProfileString32A( LPCSTR section, LPCSTR entry, LPCSTR def_val,
                                  LPSTR buffer, UINT32 len )
{
    return GetPrivateProfileString32A( section, entry, def_val,
                                       buffer, len, "win.ini" );
}

/***********************************************************************
 *           GetProfileString32W   (KERNEL32.269)
 */
INT32 WINAPI GetProfileString32W( LPCWSTR section, LPCWSTR entry,
                                  LPCWSTR def_val, LPWSTR buffer, UINT32 len )
{
    if (!wininiW) wininiW = HEAP_strdupAtoW( SystemHeap, 0, "win.ini" );
    return GetPrivateProfileString32W( section, entry, def_val,
                                       buffer, len, wininiW );
}

/***********************************************************************
 *           GetProfileSection32A   (KERNEL32.268)
 */
INT32 WINAPI GetProfileSection32A( LPCSTR section, LPSTR buffer, DWORD len )
{
    return GetPrivateProfileSection32A( section, buffer, len, "win.ini" );
}


/***********************************************************************
 *           GetProfileSection32W   (KERNEL32)
 */
INT32 WINAPI GetProfileSection32W( LPCWSTR section, LPWSTR buffer, DWORD len )
{
    if (!wininiW) wininiW = HEAP_strdupAtoW( SystemHeap, 0, "win.ini" );
    return GetPrivateProfileSection32W( section, buffer, len, wininiW );
}


/***********************************************************************
 *           WriteProfileString16   (KERNEL.59)
 */
BOOL16 WINAPI WriteProfileString16( LPCSTR section, LPCSTR entry,
                                    LPCSTR string )
{
    return WritePrivateProfileString16( section, entry, string, "win.ini" );
}

/***********************************************************************
 *           WriteProfileString32A   (KERNEL32.587)
 */
BOOL32 WINAPI WriteProfileString32A( LPCSTR section, LPCSTR entry,
                                     LPCSTR string )
{
    return WritePrivateProfileString32A( section, entry, string, "win.ini" );
}

/***********************************************************************
 *           WriteProfileString32W   (KERNEL32.588)
 */
BOOL32 WINAPI WriteProfileString32W( LPCWSTR section, LPCWSTR entry,
                                     LPCWSTR string )
{
    if (!wininiW) wininiW = HEAP_strdupAtoW( SystemHeap, 0, "win.ini" );
    return WritePrivateProfileString32W( section, entry, string, wininiW );
}


/***********************************************************************
 *           GetPrivateProfileInt16   (KERNEL.127)
 */
UINT16 WINAPI GetPrivateProfileInt16( LPCSTR section, LPCSTR entry,
                                      INT16 def_val, LPCSTR filename )
{
    long result=(long)GetPrivateProfileInt32A(section,entry,def_val,filename);

    if (result > 65535) return 65535;
    if (result >= 0) return (UINT16)result;
    if (result < -32768) return -32768;
    return (UINT16)(INT16)result;
}

/***********************************************************************
 *           GetPrivateProfileInt32A   (KERNEL32.251)
 */
UINT32 WINAPI GetPrivateProfileInt32A( LPCSTR section, LPCSTR entry,
                                       INT32 def_val, LPCSTR filename )
{
    char buffer[20];
    char *p;
    long result;

    GetPrivateProfileString32A( section, entry, "",
                                buffer, sizeof(buffer), filename );
    if (!buffer[0]) return (UINT32)def_val;
    result = strtol( buffer, &p, 0 );
    if (p == buffer) return 0;  /* No digits at all */
    return (UINT32)result;
}

/***********************************************************************
 *           GetPrivateProfileInt32W   (KERNEL32.252)
 */
UINT32 WINAPI GetPrivateProfileInt32W( LPCWSTR section, LPCWSTR entry,
                                       INT32 def_val, LPCWSTR filename )
{
    LPSTR sectionA  = HEAP_strdupWtoA( GetProcessHeap(), 0, section );
    LPSTR entryA    = HEAP_strdupWtoA( GetProcessHeap(), 0, entry );
    LPSTR filenameA = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
    UINT32 res = GetPrivateProfileInt32A(sectionA, entryA, def_val, filenameA);
    HeapFree( GetProcessHeap(), 0, sectionA );
    HeapFree( GetProcessHeap(), 0, filenameA );
    HeapFree( GetProcessHeap(), 0, entryA );
    return res;
}

/***********************************************************************
 *           GetPrivateProfileString16   (KERNEL.128)
 */
INT16 WINAPI GetPrivateProfileString16( LPCSTR section, LPCSTR entry,
                                        LPCSTR def_val, LPSTR buffer,
                                        UINT16 len, LPCSTR filename )
{
    return GetPrivateProfileString32A(section,entry,def_val,buffer,len,filename);
}

/***********************************************************************
 *           GetPrivateProfileString32A   (KERNEL32.255)
 */
INT32 WINAPI GetPrivateProfileString32A( LPCSTR section, LPCSTR entry,
                                         LPCSTR def_val, LPSTR buffer,
                                         UINT32 len, LPCSTR filename )
{
    if (!filename) 
	filename = "win.ini";
    if (PROFILE_Open( filename ))
        return PROFILE_GetString( section, entry, def_val, buffer, len );
    lstrcpyn32A( buffer, def_val, len );
    return strlen( buffer );
}

/***********************************************************************
 *           GetPrivateProfileString32W   (KERNEL32.256)
 */
INT32 WINAPI GetPrivateProfileString32W( LPCWSTR section, LPCWSTR entry,
                                         LPCWSTR def_val, LPWSTR buffer,
                                         UINT32 len, LPCWSTR filename )
{
    LPSTR sectionA  = HEAP_strdupWtoA( GetProcessHeap(), 0, section );
    LPSTR entryA    = HEAP_strdupWtoA( GetProcessHeap(), 0, entry );
    LPSTR filenameA = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
    LPSTR def_valA  = HEAP_strdupWtoA( GetProcessHeap(), 0, def_val );
    LPSTR bufferA   = HeapAlloc( GetProcessHeap(), 0, len );
    INT32 ret = GetPrivateProfileString32A( sectionA, entryA, def_valA,
                                            bufferA, len, filenameA );
    lstrcpynAtoW( buffer, bufferA, len );
    HeapFree( GetProcessHeap(), 0, sectionA );
    HeapFree( GetProcessHeap(), 0, entryA );
    HeapFree( GetProcessHeap(), 0, filenameA );
    HeapFree( GetProcessHeap(), 0, def_valA );
    HeapFree( GetProcessHeap(), 0, bufferA);
    return ret;
}

/***********************************************************************
 *           GetPrivateProfileSection32A   (KERNEL32.255)
 */
INT32 WINAPI GetPrivateProfileSection32A( LPCSTR section, LPSTR buffer,
                                          DWORD len, LPCSTR filename )
{
    if (PROFILE_Open( filename ))
        return PROFILE_GetSection(CurProfile->section, section, buffer, len,
                                FALSE, TRUE);

    return 0;
}

/***********************************************************************
 *           GetPrivateProfileSection32W   (KERNEL32.256)
 */

INT32 WINAPI GetPrivateProfileSection32W (LPCWSTR section, LPWSTR buffer,
                                          DWORD len, LPCWSTR filename )

{
    LPSTR sectionA  = HEAP_strdupWtoA( GetProcessHeap(), 0, section );
    LPSTR filenameA = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
    LPSTR bufferA   = HeapAlloc( GetProcessHeap(), 0, len );
    INT32 ret = GetPrivateProfileSection32A( sectionA, bufferA, len, 
						filenameA );
    HeapFree( GetProcessHeap(), 0, sectionA );
    HeapFree( GetProcessHeap(), 0, filenameA );
    HeapFree( GetProcessHeap(), 0, bufferA);
    return ret;
}

/***********************************************************************
 *           WritePrivateProfileString16   (KERNEL.129)
 */
BOOL16 WINAPI WritePrivateProfileString16( LPCSTR section, LPCSTR entry,
                                           LPCSTR string, LPCSTR filename )
{
    return WritePrivateProfileString32A(section,entry,string,filename);
}

/***********************************************************************
 *           WritePrivateProfileString32A   (KERNEL32.582)
 */
BOOL32 WINAPI WritePrivateProfileString32A( LPCSTR section, LPCSTR entry,
                                            LPCSTR string, LPCSTR filename )
{
    if (!PROFILE_Open( filename )) return FALSE;
    if (!section) return PROFILE_FlushFile();
    return PROFILE_SetString( section, entry, string );
}

/***********************************************************************
 *           WritePrivateProfileString32W   (KERNEL32.583)
 */
BOOL32 WINAPI WritePrivateProfileString32W( LPCWSTR section, LPCWSTR entry,
                                            LPCWSTR string, LPCWSTR filename )
{
    LPSTR sectionA  = HEAP_strdupWtoA( GetProcessHeap(), 0, section );
    LPSTR entryA    = HEAP_strdupWtoA( GetProcessHeap(), 0, entry );
    LPSTR stringA   = HEAP_strdupWtoA( GetProcessHeap(), 0, string );
    LPSTR filenameA = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
    BOOL32 res = WritePrivateProfileString32A( sectionA, entryA,
                                               stringA, filenameA );
    HeapFree( GetProcessHeap(), 0, sectionA );
    HeapFree( GetProcessHeap(), 0, entryA );
    HeapFree( GetProcessHeap(), 0, stringA );
    HeapFree( GetProcessHeap(), 0, filenameA );
    return res;
}

/***********************************************************************
 *           WritePrivateProfileSection32A   (KERNEL32)
 */
BOOL32 WINAPI WritePrivateProfileSection32A( LPCSTR section, 
                                            LPCSTR string, LPCSTR filename )
{
    char *p =(char*)string;

    FIXME(profile, "WritePrivateProfileSection32A empty stub\n");
    if (TRACE_ON(profile)) {
      TRACE(profile, "(%s) => [%s]\n", filename, section);
      while (*(p+1)) {
	TRACE(profile, "%s\n", p);
        p += strlen(p);
	p += 1;
      }
    }
    
    return FALSE;
}

/***********************************************************************
 *           WritePrivateProfileSection32W   (KERNEL32)
 */
BOOL32 WINAPI WritePrivateProfileSection32W( LPCWSTR section,
                                            LPCWSTR string, LPCWSTR filename)

{
    LPSTR sectionA  = HEAP_strdupWtoA( GetProcessHeap(), 0, section );
    LPSTR stringA   = HEAP_strdupWtoA( GetProcessHeap(), 0, string );
    LPSTR filenameA = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
    BOOL32 res = WritePrivateProfileSection32A( sectionA, stringA, filenameA );
    HeapFree( GetProcessHeap(), 0, sectionA );
    HeapFree( GetProcessHeap(), 0, stringA );
    HeapFree( GetProcessHeap(), 0, filenameA );
    return res;
}


/***********************************************************************
 *           WriteProfileSection32A   (KERNEL32.747)
 */
BOOL32 WINAPI WriteProfileSection32A( LPCSTR section, LPCSTR keys_n_values)
                                     
{
    return WritePrivateProfileSection32A( section, keys_n_values, "win.ini");
}

/***********************************************************************
 *           WriteProfileSection32W   (KERNEL32.748)
 */
BOOL32 WINAPI WriteProfileSection32W( LPCWSTR section, LPCWSTR keys_n_values)
{
   if (!wininiW) wininiW = HEAP_strdupAtoW( SystemHeap, 0, "win.ini");
   
   return (WritePrivateProfileSection32W (section,keys_n_values, wininiW));
}

/***********************************************************************
 *           GetPrivateProfileSectionNames16   (KERNEL.143)
 */
WORD WINAPI GetPrivateProfileSectionNames16( LPSTR buffer, WORD size,
                                             LPCSTR filename )
{
 char *buf;
 int l,cursize;
 PROFILESECTION *section;

    if (PROFILE_Open( filename )) {
	buf=buffer;
	cursize=0;
	section=CurProfile->section;
	for ( ; section; section = section->next) 
            if (section->name) {
		l=strlen (section->name);
		cursize+=l+1;
        	if (cursize > size+1)
			return size-2;
		strcpy (buf,section->name);
		buf+=l;
		*buf=0;
		buf++;
		}
 	buf++;
 	*buf=0;
 	return (buf-buffer);
 }
 return FALSE;
}


/***********************************************************************
 *           GetProfileSectionNames16   (KERNEL.142)
 */
WORD WINAPI GetProfileSectionNames16( LPSTR buffer, WORD size)

{
 return (GetPrivateProfileSectionNames16 (buffer,size,"win.ini"));
}


/***********************************************************************
 *           GetPrivateProfileSectionNames32A  (KERNEL32.365)
 */
DWORD WINAPI GetPrivateProfileSectionNames32A( LPSTR buffer, DWORD size,
					 LPCSTR filename)

{
 return (GetPrivateProfileSectionNames16 (buffer,size,filename));
}


/***********************************************************************
 *           GetPrivateProfileSectionNames32W  (KERNEL32.366)
 */
DWORD WINAPI GetPrivateProfileSectionNames32W( LPWSTR buffer, DWORD size,
                                         LPCWSTR filename)

{
   LPSTR filenameA = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
   LPSTR bufferA   = HeapAlloc( GetProcessHeap(), 0, size);

   INT32 ret = GetPrivateProfileSectionNames16 (bufferA, size, filenameA);
   lstrcpynAtoW( buffer, bufferA, size);   
   HeapFree( GetProcessHeap(), 0, bufferA);
   HeapFree( GetProcessHeap(), 0, filenameA );

   return ret;
}


/***********************************************************************
 *           GetPrivateProfileStruct32A (KERNEL32.370)
 */
BOOL32 WINAPI GetPrivateProfileStruct32A (LPCSTR section, LPCSTR key, 
	LPVOID buf, UINT32 len, LPCSTR filename)
{
    PROFILEKEY *k;

    if (PROFILE_Open( filename )) {
        k=PROFILE_Find ( &CurProfile->section, section, key, FALSE);
	if (!k) return FALSE;
    	lstrcpyn32A( buf, k->value, strlen(k->value));
        return TRUE;
    }
  return FALSE;
}

/***********************************************************************
 *           GetPrivateProfileStruct32W (KERNEL32.543)
 */
BOOL32 WINAPI GetPrivateProfileStruct32W (LPCWSTR section, LPCWSTR key,
        LPVOID buffer, UINT32 len, LPCWSTR filename)
{
    LPSTR sectionA  = HEAP_strdupWtoA( GetProcessHeap(), 0, section );
    LPSTR keyA      = HEAP_strdupWtoA( GetProcessHeap(), 0, key);
    LPSTR filenameA = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
    LPSTR bufferA   = HeapAlloc( GetProcessHeap(), 0, len );

    INT32 ret = GetPrivateProfileStruct32A( sectionA, keyA, bufferA,
                                            len, filenameA );
    lstrcpynAtoW( buffer, bufferA, len );
    HeapFree( GetProcessHeap(), 0, bufferA);
    HeapFree( GetProcessHeap(), 0, sectionA );
    HeapFree( GetProcessHeap(), 0, keyA );
    HeapFree( GetProcessHeap(), 0, filenameA );

    return ret;
}


/***********************************************************************
 *           WritePrivateProfileStruct32A (KERNEL32.744)
 */
BOOL32 WINAPI WritePrivateProfileStruct32A (LPCSTR section, LPCSTR key, 
	LPVOID buf, UINT32 bufsize, LPCSTR filename)
{
    if ((!section) && (!key) && (!buf)) {	/* flush the cache */
        PROFILE_FlushFile();
	return FALSE;
 	}

    if (!PROFILE_Open( filename )) return FALSE;
    return PROFILE_SetString( section, key, buf);
}

/***********************************************************************
 *           WritePrivateProfileStruct32W (KERNEL32.544)
 */
BOOL32 WINAPI WritePrivateProfileStruct32W (LPCWSTR section, LPCWSTR key,
        LPVOID buf, UINT32 bufsize, LPCWSTR filename)
{
    LPSTR sectionA  = HEAP_strdupWtoA( GetProcessHeap(), 0, section );
    LPSTR keyA      = HEAP_strdupWtoA( GetProcessHeap(), 0, key);
    LPSTR filenameA = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
    INT32 ret = WritePrivateProfileStruct32A( sectionA, keyA, buf, bufsize,
                                             filenameA );
    HeapFree( GetProcessHeap(), 0, sectionA );
    HeapFree( GetProcessHeap(), 0, keyA );
    HeapFree( GetProcessHeap(), 0, filenameA );

    return ret;
}


/***********************************************************************
 *           WriteOutProfiles   (KERNEL.315)
 */
void WINAPI WriteOutProfiles(void)
{
    PROFILE_FlushFile();
}