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path: root/support/dktools/dk3wreg.c
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/*
	WARNING: This file was generated by dkct.
	Changes you make here will be lost if dkct is run again!
	You should modify the original source and run dkct on it.
	Original source: dk3wreg.ctr
*/

/*
Copyright (C) 2013-2017, Dirk Krause

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice,
  this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above opyright notice,
  this list of conditions and the following disclaimer in the documentation
  and/or other materials provided with the distribution.
* Neither the name of the author nor the names of contributors may be used
  to endorse or promote products derived from this software without specific
  prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/**	@file dk3wreg.c The dk3wreg module.
*/


#line 201 "dk3wreg.ctr"

#include "dk3all.h"
#include "dk3wreg.h"





#line 208 "dk3wreg.ctr"



#if DK3_ON_WINDOWS && ((2 == DK3_CHAR_SIZE) || (1 == DK3_CHAR_SIZE))



static dkChar const * const	dk3wreg_default_texts[] = {
/* 0 */
dkT("dk3wreg.str"),

/* 1 */
dkT("Failed to open registry key!"),

/* 2 */
dkT("Failed to open registry key:\n\""),

/* 3 */
dkT("\"!"),

/* 4 */
dkT("Failed to open or create registry key!"),

/* 5 */
dkT("Failed to open or create registry key:\n\""),

/* 6 */
dkT("\"!"),

/* 7 */
dkT("Failed to close registry key!"),

/* 8 */
dkT("Failed to close registry key:\n\""),

/* 9 */
dkT("\"!"),

/* 10 */
dkT("Failed to write registry entry!"),

/* 11 */
dkT("Failed to write registry entry:\n\""),

/* 12 */
dkT("\"!"),

/* 13 */
dkT("Failed to retrieve registry entry!"),

/* 14 */
dkT("Failed to retrieve registry entry:\n\""),

/* 15 */
dkT("\"!"),

/* 16 */
dkT("Registry entry is not a string!"),

/* 17 */
dkT("Registry entry is not a string:\n\""),

/* 18 */
dkT("\"!"),

/* 19 */
dkT("Registry entry is not a DWORD!"),

/* 20 */
dkT("Registry entry is not a DWORD:\n\""),

/* 21 */
dkT("\"!"),

/* 22 */
dkT("Registry entry is an incomplete DWORD!"),

/* 23 */
dkT("Registry entry is an incomplete DWORD:\n\""),

/* 24 */
dkT("\"!"),

/* 25 */
dkT("Failed to delete registry key tree!"),

/* 26 */
dkT("Failed to delete registry key tree:\n\""),

/* 27 */
dkT("\"!"),

/* 28 */
dkT("Failed to delete registry entry!"),

/* 29 */
dkT("Failed to delete registry entry:\n\""),

/* 30 */
dkT("\"!"),

/* 31 */
dkT("String to long for result buffer!"),

/* 32 */
dkT("Environment variable expansion failed!"),

/* 33 */
dkT("Can not delete registry keys when compiled for legacy versions!"),

NULL


#line 297 "dk3wreg.ctr"
};



static
void
dk3wreg_report_error(
  dk3_app_t *app, dkChar const *n, size_t m1, size_t m2, size_t o
)
{
  dkChar const * const	*lmsg;	/* Localized messages. */
  

#line 309 "dk3wreg.ctr"
  if(app) {
    lmsg = dk3app_messages(
      app, dk3wreg_default_texts[0], (dkChar const **)dk3wreg_default_texts
    );
    if(lmsg) {
      if(n) {
        dk3app_log_3(app, DK3_LL_ERROR, lmsg, m1, m2, n);
      } else {
        dk3app_log_1(app, DK3_LL_ERROR, lmsg, o);
      }
    }
  } 

#line 321 "dk3wreg.ctr"
}


int
dk3wreg_key_open_perms(
  HKEY b, dkChar const *n, REGSAM p, HKEY *r, dk3_app_t *app
)
{
  int			 back = 0;
  long			 res;
  

#line 332 "dk3wreg.ctr"
  if((n) && (r)) {
#if 2 == DK3_CHAR_SIZE
    res = RegOpenKeyExW(
      b,			/* Base key. */
      n,			/* Subkey name. */
      (DWORD)0UL,		/* Reserviced. */
      p,			/* Required access. */
      r				/* Result pointer. */
    );
#else
    res = RegOpenKeyExA(
      b,			/* Base key. */
      n,			/* Subkey name. */
      (DWORD)0UL,		/* Reserviced. */
      p,			/* Required access. */
      r				/* Result pointer. */
    );
#endif
    if(ERROR_SUCCESS == res) {
      back = 1;
    } else {
      /* ERROR: Failed to open key! */
      dk3wreg_report_error(app, n, 2, 3, 1);
    }
  } 

#line 357 "dk3wreg.ctr"
  return back;
}



int
dk3wreg_key_open_read(HKEY b, dkChar const *n, HKEY *r, dk3_app_t *app)
{
  int			 back = 0;
  

#line 367 "dk3wreg.ctr"
  back = dk3wreg_key_open_perms(b, n, KEY_QUERY_VALUE, r, app);
  

#line 369 "dk3wreg.ctr"
  return back;
}



int
dk3wreg_key_open_modify(HKEY b, dkChar const *n, HKEY *r, dk3_app_t *app)
{
  int			 back = 0;
  

#line 379 "dk3wreg.ctr"
  back = dk3wreg_key_open_perms(b, n, KEY_ALL_ACCESS, r, app);
  

#line 381 "dk3wreg.ctr"
  return back;
}



int
dk3wreg_key_create_perms(HKEY b,dkChar const *n,REGSAM p,HKEY *r,dk3_app_t *app)
{
  int			 back = 0;
  long			 res;
  DWORD			 disp = (DWORD)0UL;
  

#line 393 "dk3wreg.ctr"
  if((n) && (r)) {
#if 2 == DK3_CHAR_SIZE
    res = RegCreateKeyExW(
      b,				/* Base key. */
      n,				/* Key name. */
      (DWORD)0UL,			/* Reserved. */
      NULL,				/* Key class. */
      REG_OPTION_NON_VOLATILE,		/* Options. */
      p,				/* SAM desired. */
      NULL,				/* Security descriptor. */
      r,				/* Result pointer. */
      &disp				/* Disposition. */
    );
#else
    res = RegCreateKeyExA(
      b,				/* Base key. */
      n,				/* Key name. */
      (DWORD)0UL,			/* Reserved. */
      NULL,				/* Key class. */
      REG_OPTION_NON_VOLATILE,		/* Options. */
      p,				/* SAM desired. */
      NULL,				/* Security descriptor. */
      r,				/* Result pointer. */
      &disp				/* Disposition. */
    );
#endif
    if(ERROR_SUCCESS == res) {
      back = 1;
    } else {
      /* ERROR: Failed to open/create registry key! */
      dk3wreg_report_error(app, n, 5, 6, 4);
    }
  } 

#line 426 "dk3wreg.ctr"
  return back;
}



int
dk3wreg_key_create_read(HKEY b, dkChar const *n, HKEY *r, dk3_app_t *app)
{
  int			 back = 0;
  

#line 436 "dk3wreg.ctr"
  back = dk3wreg_key_create_perms(b, n, KEY_QUERY_VALUE, r, app);
  

#line 438 "dk3wreg.ctr"
  return back;
}



int
dk3wreg_key_create_modify(HKEY b, dkChar const *n, HKEY *r, dk3_app_t *app)
{
  int			 back = 0;
  

#line 448 "dk3wreg.ctr"
  back = dk3wreg_key_create_perms(b, n, KEY_ALL_ACCESS, r, app);
  

#line 450 "dk3wreg.ctr"
  return back;
}



int
dk3wreg_key_close(HKEY k, dkChar const *n, dk3_app_t *app)
{
  int			 back = 0;
  long			 res;
  

#line 461 "dk3wreg.ctr"
  res = RegCloseKey(k);
  if(ERROR_SUCCESS == res) {
    back = 1;
  } else {
    /* ERROR: Failed to close registry key!. */
    dk3wreg_report_error(app, n, 8, 9, 7);
  } 

#line 468 "dk3wreg.ctr"
  return back;
}



int
dk3wreg_key_delete(HKEY b, dkChar const *n, dk3_app_t *app)
{
  int			 back = 0;
#if _MSC_VER >= 1700 && (!(DK4_WINDOWS_LEGACY))
  long			 res;
  

#line 480 "dk3wreg.ctr"
  if(n) {
#if 2 == DK3_CHAR_SIZE
    res = RegDeleteTreeW(b, n);
#else
    res = RegDeleteTreeA(b, n);
#endif
    if(ERROR_SUCCESS == res) {
      back = 1;
    } else {
      dk3wreg_report_error(app, n, 26, 27, 25);
    }
  } 

#line 492 "dk3wreg.ctr"
#else
  dk3wreg_report_error(app, n, 26, 27, 25);
  dk3wreg_report_error(app, NULL, 0, 0, 33);
#endif
  return back;
}



int
dk3wreg_set_sz(HKEY k, dkChar const *n, dkChar const *v, dk3_app_t *app)
{
  int			 back = 0;
  DWORD			 dwt = REG_SZ;
  DWORD			 dw0 = (DWORD)0UL;
  DWORD			 sz;
  long			 res;
  

#line 510 "dk3wreg.ctr"
  if(v) {
    sz = (DWORD)(1 + dk3str_len(v));
    sz *= DK3_CHAR_SIZE;
#if 2 == DK3_CHAR_SIZE
    res = RegSetValueExW(
      k,			/* Key. */
      n,			/* Entry name. */
      dw0,			/* Reserved. */
      dwt,			/* Type. */
      (const BYTE *)v,		/* Data. */
      sz			/* Number of bytes. */
    );
#else
    res = RegSetValueExA(
      k,			/* Key. */
      n,			/* Entry name. */
      dw0,			/* Reserved. */
      dwt,			/* Type. */
      (const BYTE *)v,		/* Data. */
      sz			/* Number of bytes. */
    );
#endif
    if(ERROR_SUCCESS == res) {
      back = 1;
    } else {
      /* ERROR: Failed to save registry entry. */
      dk3wreg_report_error(app, n, 11, 12, 10);
    }
  } 

#line 539 "dk3wreg.ctr"
  return back;
}



int
dk3wreg_set_expand_sz(HKEY k, dkChar const *n, dkChar const *v, dk3_app_t *app)
{
  int			 back = 0;
  DWORD			 dwt = REG_EXPAND_SZ;
  DWORD			 dw0 = (DWORD)0UL;
  DWORD			 sz;
  long			 res;
  

#line 553 "dk3wreg.ctr"
  if(v) {
    sz = (DWORD)(1 + dk3str_len(v));
    sz *= DK3_CHAR_SIZE;
#if 2 == DK3_CHAR_SIZE
    res = RegSetValueExW(
      k,			/* Key. */
      n,			/* Entry name. */
      dw0,			/* Reserved. */
      dwt,			/* Type. */
      (const BYTE *)v,		/* Data. */
      sz			/* Number of bytes. */
    );
#else
    res = RegSetValueExA(
      k,			/* Key. */
      n,			/* Entry name. */
      dw0,			/* Reserved. */
      dwt,			/* Type. */
      (const BYTE *)v,		/* Data. */
      sz			/* Number of bytes. */
    );
#endif
    if(ERROR_SUCCESS == res) {
      back = 1;
    } else {
      /* ERROR: Failed to save registry entry. */
      dk3wreg_report_error(app, n, 11, 12, 10);
    }
  } 

#line 582 "dk3wreg.ctr"
  return back;
}



int
dk3wreg_set_dword(HKEY k, dkChar const *n, DWORD v, dk3_app_t *app)
{
  int			 back = 0;
  DWORD			 dwt = REG_DWORD;
  DWORD			 dw0 = (DWORD)0UL;
  DWORD			 sz;
  long			 res;
  

#line 596 "dk3wreg.ctr"
  if((n) && (v)) {
    sz = (DWORD)sizeof(DWORD);
#if 2 == DK3_CHAR_SIZE
    res = RegSetValueExW(
      k,			/* Key. */
      n,			/* Entry name. */
      dw0,			/* Reserved. */
      dwt,			/* Type. */
      (const BYTE *)(&v),	/* Data. */
      sz			/* Number of bytes. */
    );
#else
    res = RegSetValueExA(
      k,			/* Key. */
      n,			/* Entry name. */
      dw0,			/* Reserved. */
      dwt,			/* Type. */
      (const BYTE *)(&v),	/* Data. */
      sz			/* Number of bytes. */
    );
#endif
    if(ERROR_SUCCESS == res) {
      back = 1;
    } else {
      /* ERROR: Failed to save registry entry. */
      dk3wreg_report_error(app, n, 11, 12, 10);
    }
  } 

#line 624 "dk3wreg.ctr"
  return back;
}



int
dk3wreg_get_expand_sz(
  HKEY k, dkChar const *n, dkChar *b, size_t s, DWORD *e, dk3_app_t *app
)
{
  int			 back = 0;
  DWORD			 dwt = REG_SZ;
  DWORD			 dws;
  long			 res;
  

#line 639 "dk3wreg.ctr"
  if((b) && (s)) {
    dws = (DWORD)(s * DK3_CHAR_SIZE);
#if 2 == DK3_CHAR_SIZE
    res = RegQueryValueExW(
      k,			/* Key. */
      n,			/* Entry name. */
      NULL,			/* Reserved. */
      &dwt,			/* Type. */
      (BYTE *)b,		/* Result buffer. */
      &dws			/* Size (number of bytes). */
    );
#else
    res = RegQueryValueExA(
      k,			/* Key. */
      n,			/* Entry name. */
      NULL,			/* Reserved. */
      &dwt,			/* Type. */
      (BYTE *)b,		/* Result buffer. */
      &dws			/* Size (number of bytes). */
    );
#endif
    if(ERROR_SUCCESS == res) {
      switch(dwt) {
        case REG_SZ: case REG_EXPAND_SZ: {
	  if(e) { *e = dwt; }
	  back = 1;
	  if(0UL < dws) {
#if 1 < DK3_CHAR_SIZE
	    dws = dws / DK3_CHAR_SIZE;
#endif
	    if(0UL < dws) {
	      if(dws < (DWORD)s) {
	        b[dws] = dkT('\0');
	      } else {
	        b[s - 1] = dkT('\0');
	      }
	    } else {
	      *b = dkT('\0');
	    }
	  } else {
	    *b = dkT('\0');
	  }
	} break;
	default: {
	  *b = dkT('\0');
	  /* ERROR: Not a string value! */
          dk3wreg_report_error(app, n, 17, 18, 16);
	} break;
      }
    } else {
      *b = dkT('\0');
      /* ERROR: Failed to retrieve value! */
      dk3wreg_report_error(app, n, 14, 15, 13);
    }
  }
  

#line 695 "dk3wreg.ctr"
  

#line 696 "dk3wreg.ctr"
  

#line 697 "dk3wreg.ctr"
  

#line 698 "dk3wreg.ctr"
  return back;
}



int
dk3wreg_get_sz(HKEY k, dkChar const *n, dkChar *b, size_t s, dk3_app_t *app)
{
  int			 back = 0;
  

#line 708 "dk3wreg.ctr"
  back = dk3wreg_get_expand_sz(k, n, b, s, NULL, app);
  

#line 710 "dk3wreg.ctr"
  return back;
}



int
dk3wreg_get_expanded_sz(
  HKEY k, dkChar const * n, dkChar *dp, size_t ds, dkChar *tp, size_t ts,
  dk3_app_t *app
)
{
  DWORD			 fe;		/* Flag: Expand. */
  DWORD			 res;		/* Result from expand function. */
  int			 back = 0;
  

#line 725 "dk3wreg.ctr"
  if((n) && (dp) && (ds) && (tp) && (ts)) {
    dp[0] = dkT('\0');
    fe    = REG_SZ;
    if(dk3wreg_get_expand_sz(k, n, tp, ts, &fe, app)) {
      if(REG_EXPAND_SZ == fe) {
        res = ExpandEnvironmentStrings(tp, dp, (DWORD)ds);
	if(0 < res) {
	  if((size_t)res < ds) {
	    back = 1;
	  } else {
	    /* ERROR: String too long for final buffer! */
	    dk3wreg_report_error(app, NULL, 0, 0, 31);
	  }
	} else {
	  /* ERROR: Expansion failed! */
	  dk3wreg_report_error(app, NULL, 0, 0, 32);
	}
      } else {
        if(dk3str_len(tp) < ds) {
	  dk3str_cpy(dp, tp);
	  back = 1;
	} else {
	  /* ERROR: String too long for final buffer! */
          dk3wreg_report_error(app, NULL, 0, 0, 31);
	}
      }
    }
  }
  

#line 754 "dk3wreg.ctr"
  

#line 755 "dk3wreg.ctr"
  

#line 756 "dk3wreg.ctr"
  

#line 757 "dk3wreg.ctr"
  return back;
}



int
dk3wreg_get_dword(HKEY k, dkChar const *n, DWORD *b, dk3_app_t *app)
{
  int			 back = 0;
  DWORD			 dwt = REG_DWORD;
  DWORD			 dws;
  DWORD			 dwres;
  long			 res;
  

#line 771 "dk3wreg.ctr"
  if((n) && (b)) {
    dws = (DWORD)sizeof(DWORD);
    dwres = (DWORD)0UL;
#if 2 == DK3_CHAR_SIZE
    res = RegQueryValueExW(
      k, n, NULL, &dwt, (BYTE *)(&dwres), &dws
    );
#else
    res = RegQueryValueExA(
      k, n, NULL, &dwt, (BYTE *)(&dwres), &dws
    );
#endif
    if(ERROR_SUCCESS == res) {
      switch(dwt) {
        case REG_DWORD: {
	  if((DWORD)sizeof(DWORD) == dws) {
	    *b = dwres;
	    back = 1;
	  } else {
	    /* ERROR: Incomplete value! */
            dk3wreg_report_error(app, n, 23, 24, 22);
	  }
	} break;
	default: {
	  /* ERROR: Not a DWORD entry! */
          dk3wreg_report_error(app, n, 20, 21, 19);
	} break;
      }
    } else {
      /* ERROR: Failed to retrieve value! */
      dk3wreg_report_error(app, n, 14, 15, 13);
    }
  } 

#line 804 "dk3wreg.ctr"
  return back;
}



int
dk3wreg_entry_delete(HKEY k, dkChar const *n, dk3_app_t *app)
{
  int			 back = 0;
  long			 res;
  

#line 815 "dk3wreg.ctr"
  if(n) {
#if 2 == DK3_CHAR_SIZE
    res = RegDeleteValueW(k, n);
#else
    res = RegDeleteValueA(k, n);
#endif
    if(ERROR_SUCCESS == res) {
      back = 1;
    } else {
      dk3wreg_report_error(app, n, 29, 30, 28);
    }
  } 

#line 827 "dk3wreg.ctr"
  return back;
}



#else

#endif