/src/netcdf-c/build/libsrc/attr.c

Source
/* Do not edit this file. It is produced from the corresponding .m4 source */
/*
 *  Copyright 2018, University Corporation for Atmospheric Research
 *      See netcdf/COPYRIGHT file for copying and redistribution conditions.
 */

#if HAVE_CONFIG_H
#include <config.h>
#endif

#include "nc3internal.h"
#include "ncdispatch.h"
#include "nc3dispatch.h"
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "ncx.h"
#include "fbits.h"
#include "rnd.h"
#include "ncutf8.h"

/*
 * Free attr
 * Formerly
NC_free_attr()
 */
void
free_NC_attr(NC_attr *attrp)
{

  if(attrp == NULL)
    return;
  free_NC_string(attrp->name);
  free(attrp);
}


/*
 * How much space will 'nelems' of 'type' take in
 *  external representation (as the values of an attribute)?
 */
static size_t
ncx_len_NC_attrV(nc_type type, size_t nelems)
{
  switch(type) {
  case NC_BYTE:
  case NC_CHAR:
    return ncx_len_char(nelems);
  case NC_SHORT:
    return ncx_len_short(nelems);
  case NC_INT:
    return ncx_len_int(nelems);
  case NC_FLOAT:
    return ncx_len_float(nelems);
  case NC_DOUBLE:
    return ncx_len_double(nelems);
  case NC_UBYTE:
    return ncx_len_ubyte(nelems);
  case NC_USHORT:
    return ncx_len_ushort(nelems);
  case NC_UINT:
    return ncx_len_uint(nelems);
  case NC_INT64:
    return ncx_len_int64(nelems);
  case NC_UINT64:
    return ncx_len_uint64(nelems);
  default:
          assert("ncx_len_NC_attr bad type" == 0);
  }
  return 0;
}


NC_attr *
new_x_NC_attr(
  NC_string *strp,
  nc_type type,
  size_t nelems)
{
  NC_attr *attrp;
  const size_t xsz = ncx_len_NC_attrV(type, nelems);
  size_t sz = M_RNDUP(sizeof(NC_attr));

  assert(!(xsz == 0 && nelems != 0));

  if(sz > SIZE_MAX -xsz)
    return NULL;

  sz += xsz;

  attrp = (NC_attr *) malloc(sz);
  if(attrp == NULL )
    return NULL;

  attrp->xsz = xsz;

  attrp->name = strp;
  attrp->type = type;
  attrp->nelems = nelems;
  if(xsz != 0)
    attrp->xvalue = (char *)attrp + M_RNDUP(sizeof(NC_attr));
  else
    attrp->xvalue = NULL;

  return(attrp);
}


/*
 * Formerly
NC_new_attr(name,type,count,value)
 */
static NC_attr *
new_NC_attr(
  const char *uname,
  nc_type type,
  size_t nelems)
{
  NC_string *strp = NULL;
  NC_attr *attrp = NULL;
  char *name = NULL;
  int stat = NC_NOERR;

  stat = nc_utf8_normalize((const unsigned char *)uname,(unsigned char**)&name);
  if(stat != NC_NOERR)
      goto done;
  assert(name != NULL && *name != 0);

  strp = new_NC_string(strlen(name), name);
  if(strp == NULL)
    goto done;

  attrp = new_x_NC_attr(strp, type, nelems);
  if(attrp == NULL)
  {
    free_NC_string(strp);
    goto done;
  }
done:
  if(name) free(name);
  return (attrp);
}


static NC_attr *
dup_NC_attr(const NC_attr *rattrp)
{
  NC_attr *attrp = new_NC_attr(rattrp->name->cp,
     rattrp->type, rattrp->nelems);
  if(attrp == NULL)
    return NULL;
        if(attrp->xvalue != NULL && rattrp->xvalue != NULL)
            (void) memcpy(attrp->xvalue, rattrp->xvalue, rattrp->xsz);
  return attrp;
}

/* attrarray */

/*
 * Free the stuff "in" (referred to by) an NC_attrarray.
 * Leaves the array itself allocated.
 */
void
free_NC_attrarrayV0(NC_attrarray *ncap)
{
  assert(ncap != NULL);

  if(ncap->nelems == 0)
    return;

  assert(ncap->value != NULL);

  {
    NC_attr **app = ncap->value;
    NC_attr *const *const end = &app[ncap->nelems];
    for( /*NADA*/; app < end; app++)
    {
      free_NC_attr(*app);
      *app = NULL;
    }
  }
  ncap->nelems = 0;
}


/*
 * Free NC_attrarray values.
 * formerly
NC_free_array()
 */
void
free_NC_attrarrayV(NC_attrarray *ncap)
{
  assert(ncap != NULL);

  if(ncap->nalloc == 0)
    return;

  assert(ncap->value != NULL);

  free_NC_attrarrayV0(ncap);

  free(ncap->value);
  ncap->value = NULL;
  ncap->nalloc = 0;
}


int
dup_NC_attrarrayV(NC_attrarray *ncap, const NC_attrarray *ref)
{
  int status = NC_NOERR;

  assert(ref != NULL);
  assert(ncap != NULL);

  if(ref->nelems != 0)
  {
    const size_t sz = ref->nelems * sizeof(NC_attr *);
    ncap->value = (NC_attr **) malloc(sz);
    if(ncap->value == NULL)
      return NC_ENOMEM;

    (void) memset(ncap->value, 0, sz);
    ncap->nalloc = ref->nelems;
  }

  ncap->nelems = 0;
  {
    NC_attr **app = ncap->value;
    if (app)
    {
      const NC_attr **drpp = (const NC_attr **)ref->value;
      NC_attr *const *const end = &app[ref->nelems];
      for( /*NADA*/; app < end; drpp++, app++, ncap->nelems++)
      {
        *app = dup_NC_attr(*drpp);
        if(*app == NULL)
        {
          status = NC_ENOMEM;
          break;
        }
      }
    }
  }

  if(status != NC_NOERR)
  {
    free_NC_attrarrayV(ncap);
    return status;
  }

  assert(ncap->nelems == ref->nelems);

  return NC_NOERR;
}


/*
 * Add a new handle on the end of an array of handles
 * Formerly
NC_incr_array(array, tail)
 */
static int
incr_NC_attrarray(NC_attrarray *ncap, NC_attr *newelemp)
{
  NC_attr **vp;

  assert(ncap != NULL);

  if(ncap->nalloc == 0)
  {
    assert(ncap->nelems == 0);
    vp = (NC_attr **) malloc(NC_ARRAY_GROWBY * sizeof(NC_attr *));
    if(vp == NULL)
      return NC_ENOMEM;

    ncap->value = vp;
    ncap->nalloc = NC_ARRAY_GROWBY;
  }
  else if(ncap->nelems +1 > ncap->nalloc)
  {
    vp = (NC_attr **) realloc(ncap->value,
      (ncap->nalloc + NC_ARRAY_GROWBY) * sizeof(NC_attr *));
    if(vp == NULL)
      return NC_ENOMEM;

    ncap->value = vp;
    ncap->nalloc += NC_ARRAY_GROWBY;
  }

  if(newelemp != NULL)
  {
    ncap->value[ncap->nelems] = newelemp;
    ncap->nelems++;
  }
  return NC_NOERR;
}


NC_attr *
elem_NC_attrarray(const NC_attrarray *ncap, size_t elem)
{
  assert(ncap != NULL);
  /* cast needed for braindead systems with signed size_t */
  if(ncap->nelems == 0 || (unsigned long) elem >= ncap->nelems)
    return NULL;

  assert(ncap->value != NULL);

  return ncap->value[elem];
}

/* End attarray per se */

/*
 * Given ncp and varid, return ptr to array of attributes
 *  else NULL on error
 */
static NC_attrarray *
NC_attrarray0(NC3_INFO* ncp, int varid)
{
  NC_attrarray *ap;

  if(varid == NC_GLOBAL) /* Global attribute, attach to cdf */
  {
    ap = &ncp->attrs;
  }
  else if(varid >= 0 && (size_t) varid < ncp->vars.nelems)
  {
    NC_var **vpp;
    vpp = (NC_var **)ncp->vars.value;
    vpp += varid;
    ap = &(*vpp)->attrs;
  } else {
    ap = NULL;
  }
  return(ap);
}


/*
 * Step thru NC_ATTRIBUTE array, seeking match on name.
 *  return match or NULL if Not Found or out of memory.
 */
NC_attr **
NC_findattr(const NC_attrarray *ncap, const char *uname)
{
  NC_attr **attrpp = NULL;
  size_t attrid;
  size_t slen;
  char *name = NULL;
  int stat = NC_NOERR;

  assert(ncap != NULL);

  if(ncap->nelems == 0)
      goto done;

  /* normalized version of uname */
  stat = nc_utf8_normalize((const unsigned char *)uname,(unsigned char**)&name);
  if(stat != NC_NOERR)
      goto done; /* TODO: need better way to indicate no memory */
  slen = strlen(name);

  attrpp = (NC_attr **) ncap->value;
  for(attrid = 0; attrid < ncap->nelems; attrid++, attrpp++)
  {
    if(strlen((*attrpp)->name->cp) == slen &&
      strncmp((*attrpp)->name->cp, name, slen) == 0)
            goto done;
  }
  attrpp = NULL; /* not found */
done:
        if(name) free(name);
        return (attrpp); /* Normal return */
}


/*
 * Look up by ncid, varid and name, return NULL if not found
 */
static int
NC_lookupattr(int ncid,
  int varid,
  const char *name, /* attribute name */
  NC_attr **attrpp) /* modified on return */
{
  int status;
  NC* nc;
  NC3_INFO *ncp;
  NC_attrarray *ncap;
  NC_attr **tmp;

  status = NC_check_id(ncid, &nc);
  if(status != NC_NOERR)
    return status;
  ncp = NC3_DATA(nc);

  ncap = NC_attrarray0(ncp, varid);
  if(ncap == NULL)
    return NC_ENOTVAR;

  if(name == NULL)
    return NC_EBADNAME;

  tmp = NC_findattr(ncap, name);
  if(tmp == NULL)
    return NC_ENOTATT;

  if(attrpp != NULL)
    *attrpp = *tmp;

  return NC_NOERR;
}

/* Public */

int
NC3_inq_attname(int ncid, int varid, int attnum, char *name)
{
  int status;
  NC* nc;
  NC3_INFO *ncp;
  NC_attrarray *ncap;
  NC_attr *attrp;

  status = NC_check_id(ncid, &nc);
  if(status != NC_NOERR)
    return status;
  ncp = NC3_DATA(nc);

  ncap = NC_attrarray0(ncp, varid);
  if(ncap == NULL)
    return NC_ENOTVAR;

  attrp = elem_NC_attrarray(ncap, (size_t)attnum);
  if(attrp == NULL)
    return NC_ENOTATT;

    {
    size_t copy_len = attrp->name->nchars < NC_MAX_NAME
                      ? attrp->name->nchars : NC_MAX_NAME;
    (void) strncpy(name, attrp->name->cp, copy_len);
    name[copy_len] = 0;
    }

  return NC_NOERR;
}


int
NC3_inq_attid(int ncid, int varid, const char *name, int *attnump)
{
  int status;
  NC *nc;
  NC3_INFO* ncp;
  NC_attrarray *ncap;
  NC_attr **attrpp;

  status = NC_check_id(ncid, &nc);
  if(status != NC_NOERR)
    return status;
  ncp = NC3_DATA(nc);

  ncap = NC_attrarray0(ncp, varid);
  if(ncap == NULL)
    return NC_ENOTVAR;


  attrpp = NC_findattr(ncap, name);
  if(attrpp == NULL)
    return NC_ENOTATT;

  if(attnump != NULL)
    *attnump = (int)(attrpp - ncap->value);

  return NC_NOERR;
}

int
NC3_inq_att(int ncid,
  int varid,
  const char *name, /* input, attribute name */
  nc_type *datatypep,
  size_t *lenp)
{
  int status;
  NC_attr *attrp;

  status = NC_lookupattr(ncid, varid, name, &attrp);
  if(status != NC_NOERR)
    return status;

  if(datatypep != NULL)
    *datatypep = attrp->type;
  if(lenp != NULL)
    *lenp = attrp->nelems;

  return NC_NOERR;
}


int
NC3_rename_att( int ncid, int varid, const char *name, const char *unewname)
{
  int status = NC_NOERR;
  NC *nc = NULL;
  NC3_INFO* ncp = NULL;
  NC_attrarray *ncap = NULL;
  NC_attr **tmp = NULL;
  NC_attr *attrp = NULL;
  NC_string *newStr, *old;
  char *newname = NULL;  /* normalized version */

/* start sortof inline clone of NC_lookupattr() */

  status = NC_check_id(ncid, &nc);
  if(status != NC_NOERR)
    goto done;
  ncp = NC3_DATA(nc);

  if(NC_readonly(ncp))
    {status = NC_EPERM; goto done;}

  ncap = NC_attrarray0(ncp, varid);
  if(ncap == NULL)
    {status = NC_ENOTVAR; goto done;}

  status = NC_check_name(unewname);
  if(status != NC_NOERR)
    goto done;

  tmp = NC_findattr(ncap, name);
  if(tmp == NULL)
    {status = NC_ENOTATT; goto done;}
  attrp = *tmp;
/* end inline clone NC_lookupattr() */

  if(NC_findattr(ncap, unewname) != NULL)
      {status = NC_ENAMEINUSE; goto done;} /* name in use */

  old = attrp->name;
  status = nc_utf8_normalize((const unsigned char *)unewname,(unsigned char**)&newname);
  if(status != NC_NOERR)
      goto done;
  if(NC_indef(ncp))
  {
    newStr = new_NC_string(strlen(newname), newname);
    if( newStr == NULL)
      {status = NC_ENOMEM; goto done;}
    attrp->name = newStr;
    free_NC_string(old);
    goto done;
  }
  /* else not in define mode */

  /* If new name is longer than old, then complain,
           but otherwise, no change (test is same as set_NC_string)*/
  if(old->nchars < strlen(newname))
      {status = NC_ENOTINDEFINE; goto done;}

  status = set_NC_string(old, newname);
  if( status != NC_NOERR)
    goto done;

  set_NC_hdirty(ncp);

  if(NC_doHsync(ncp))
  {
    status = NC_sync(ncp);
    if(status != NC_NOERR)
      goto done;
  }
done:
  if(newname) free(newname);
  return status;
}

int
NC3_del_att(int ncid, int varid, const char *uname)
{
  int status = NC_NOERR;
  NC *nc = NULL;
  NC3_INFO* ncp = NULL;
  NC_attrarray *ncap = NULL;
  NC_attr **attrpp = NULL;
  NC_attr *old = NULL;
  int attrid;
  size_t slen;
  char* name = NULL;

  status = NC_check_id(ncid, &nc);
  if(status != NC_NOERR)
    goto done;
  ncp = NC3_DATA(nc);

  if(!NC_indef(ncp))
    {status = NC_ENOTINDEFINE; goto done;}

  ncap = NC_attrarray0(ncp, varid);
  if(ncap == NULL)
    {status = NC_ENOTVAR; goto done;}

  status = nc_utf8_normalize((const unsigned char *)uname,(unsigned char**)&name);
  if(status != NC_NOERR)
      goto done;

/* start sortof inline NC_findattr() */
  slen = strlen(name);

  attrpp = (NC_attr **) ncap->value;
  for(attrid = 0; (size_t) attrid < ncap->nelems; attrid++, attrpp++)
      {
    if( slen == (*attrpp)->name->nchars &&
      strncmp(name, (*attrpp)->name->cp, slen) == 0)
    {
      old = *attrpp;
      break;
    }
      }
  if( (size_t) attrid == ncap->nelems )
    {status = NC_ENOTATT; goto done;}
/* end inline NC_findattr() */

  /* shuffle down */
  for(attrid++; (size_t) attrid < ncap->nelems; attrid++)
  {
    *attrpp = *(attrpp + 1);
    attrpp++;
  }
  *attrpp = NULL;
  /* decrement count */
  ncap->nelems--;

  free_NC_attr(old);

done:
  if(name) free(name);
  return status;
}


static int
ncx_pad_putn_Iuchar(void **xpp, size_t nelems, const uchar *tp, nc_type type, void *fillp)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_putn_schar_uchar(xpp, nelems, tp, fillp);
  case NC_SHORT:
    return ncx_pad_putn_short_uchar(xpp, nelems, tp, fillp);
  case NC_INT:
    return ncx_putn_int_uchar(xpp, nelems, tp, fillp);
  case NC_FLOAT:
    return ncx_putn_float_uchar(xpp, nelems, tp, fillp);
  case NC_DOUBLE:
    return ncx_putn_double_uchar(xpp, nelems, tp, fillp);
  case NC_UBYTE:
    return ncx_pad_putn_uchar_uchar(xpp, nelems, tp, fillp);
  case NC_USHORT:
    return ncx_putn_ushort_uchar(xpp, nelems, tp, fillp);
  case NC_UINT:
    return ncx_putn_uint_uchar(xpp, nelems, tp, fillp);
  case NC_INT64:
    return ncx_putn_longlong_uchar(xpp, nelems, tp, fillp);
  case NC_UINT64:
    return ncx_putn_ulonglong_uchar(xpp, nelems, tp, fillp);
  default:
                assert("ncx_pad_putn_Iuchar invalid type" == 0);
  }
  return NC_EBADTYPE;
}

static int
ncx_pad_getn_Iuchar(const void **xpp, size_t nelems, uchar *tp, nc_type type)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_getn_schar_uchar(xpp, nelems, tp);
  case NC_SHORT:
    return ncx_pad_getn_short_uchar(xpp, nelems, tp);
  case NC_INT:
    return ncx_getn_int_uchar(xpp, nelems, tp);
  case NC_FLOAT:
    return ncx_getn_float_uchar(xpp, nelems, tp);
  case NC_DOUBLE:
    return ncx_getn_double_uchar(xpp, nelems, tp);
  case NC_UBYTE:
    return ncx_pad_getn_uchar_uchar(xpp, nelems, tp);
  case NC_USHORT:
    return ncx_getn_ushort_uchar(xpp, nelems, tp);
  case NC_UINT:
    return ncx_getn_uint_uchar(xpp, nelems, tp);
  case NC_INT64:
    return ncx_getn_longlong_uchar(xpp, nelems, tp);
  case NC_UINT64:
    return ncx_getn_ulonglong_uchar(xpp, nelems, tp);
  default:
          assert("ncx_pad_getn_Iuchar invalid type" == 0);
  }
  return NC_EBADTYPE;
}


static int
ncx_pad_putn_Ischar(void **xpp, size_t nelems, const schar *tp, nc_type type, void *fillp)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_putn_schar_schar(xpp, nelems, tp, fillp);
  case NC_SHORT:
    return ncx_pad_putn_short_schar(xpp, nelems, tp, fillp);
  case NC_INT:
    return ncx_putn_int_schar(xpp, nelems, tp, fillp);
  case NC_FLOAT:
    return ncx_putn_float_schar(xpp, nelems, tp, fillp);
  case NC_DOUBLE:
    return ncx_putn_double_schar(xpp, nelems, tp, fillp);
  case NC_UBYTE:
    return ncx_pad_putn_uchar_schar(xpp, nelems, tp, fillp);
  case NC_USHORT:
    return ncx_putn_ushort_schar(xpp, nelems, tp, fillp);
  case NC_UINT:
    return ncx_putn_uint_schar(xpp, nelems, tp, fillp);
  case NC_INT64:
    return ncx_putn_longlong_schar(xpp, nelems, tp, fillp);
  case NC_UINT64:
    return ncx_putn_ulonglong_schar(xpp, nelems, tp, fillp);
  default:
                assert("ncx_pad_putn_Ischar invalid type" == 0);
  }
  return NC_EBADTYPE;
}

static int
ncx_pad_getn_Ischar(const void **xpp, size_t nelems, schar *tp, nc_type type)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_getn_schar_schar(xpp, nelems, tp);
  case NC_SHORT:
    return ncx_pad_getn_short_schar(xpp, nelems, tp);
  case NC_INT:
    return ncx_getn_int_schar(xpp, nelems, tp);
  case NC_FLOAT:
    return ncx_getn_float_schar(xpp, nelems, tp);
  case NC_DOUBLE:
    return ncx_getn_double_schar(xpp, nelems, tp);
  case NC_UBYTE:
    return ncx_pad_getn_uchar_schar(xpp, nelems, tp);
  case NC_USHORT:
    return ncx_getn_ushort_schar(xpp, nelems, tp);
  case NC_UINT:
    return ncx_getn_uint_schar(xpp, nelems, tp);
  case NC_INT64:
    return ncx_getn_longlong_schar(xpp, nelems, tp);
  case NC_UINT64:
    return ncx_getn_ulonglong_schar(xpp, nelems, tp);
  default:
          assert("ncx_pad_getn_Ischar invalid type" == 0);
  }
  return NC_EBADTYPE;
}


static int
ncx_pad_putn_Ishort(void **xpp, size_t nelems, const short *tp, nc_type type, void *fillp)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_putn_schar_short(xpp, nelems, tp, fillp);
  case NC_SHORT:
    return ncx_pad_putn_short_short(xpp, nelems, tp, fillp);
  case NC_INT:
    return ncx_putn_int_short(xpp, nelems, tp, fillp);
  case NC_FLOAT:
    return ncx_putn_float_short(xpp, nelems, tp, fillp);
  case NC_DOUBLE:
    return ncx_putn_double_short(xpp, nelems, tp, fillp);
  case NC_UBYTE:
    return ncx_pad_putn_uchar_short(xpp, nelems, tp, fillp);
  case NC_USHORT:
    return ncx_putn_ushort_short(xpp, nelems, tp, fillp);
  case NC_UINT:
    return ncx_putn_uint_short(xpp, nelems, tp, fillp);
  case NC_INT64:
    return ncx_putn_longlong_short(xpp, nelems, tp, fillp);
  case NC_UINT64:
    return ncx_putn_ulonglong_short(xpp, nelems, tp, fillp);
  default:
                assert("ncx_pad_putn_Ishort invalid type" == 0);
  }
  return NC_EBADTYPE;
}

static int
ncx_pad_getn_Ishort(const void **xpp, size_t nelems, short *tp, nc_type type)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_getn_schar_short(xpp, nelems, tp);
  case NC_SHORT:
    return ncx_pad_getn_short_short(xpp, nelems, tp);
  case NC_INT:
    return ncx_getn_int_short(xpp, nelems, tp);
  case NC_FLOAT:
    return ncx_getn_float_short(xpp, nelems, tp);
  case NC_DOUBLE:
    return ncx_getn_double_short(xpp, nelems, tp);
  case NC_UBYTE:
    return ncx_pad_getn_uchar_short(xpp, nelems, tp);
  case NC_USHORT:
    return ncx_getn_ushort_short(xpp, nelems, tp);
  case NC_UINT:
    return ncx_getn_uint_short(xpp, nelems, tp);
  case NC_INT64:
    return ncx_getn_longlong_short(xpp, nelems, tp);
  case NC_UINT64:
    return ncx_getn_ulonglong_short(xpp, nelems, tp);
  default:
          assert("ncx_pad_getn_Ishort invalid type" == 0);
  }
  return NC_EBADTYPE;
}


static int
ncx_pad_putn_Iint(void **xpp, size_t nelems, const int *tp, nc_type type, void *fillp)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_putn_schar_int(xpp, nelems, tp, fillp);
  case NC_SHORT:
    return ncx_pad_putn_short_int(xpp, nelems, tp, fillp);
  case NC_INT:
    return ncx_putn_int_int(xpp, nelems, tp, fillp);
  case NC_FLOAT:
    return ncx_putn_float_int(xpp, nelems, tp, fillp);
  case NC_DOUBLE:
    return ncx_putn_double_int(xpp, nelems, tp, fillp);
  case NC_UBYTE:
    return ncx_pad_putn_uchar_int(xpp, nelems, tp, fillp);
  case NC_USHORT:
    return ncx_putn_ushort_int(xpp, nelems, tp, fillp);
  case NC_UINT:
    return ncx_putn_uint_int(xpp, nelems, tp, fillp);
  case NC_INT64:
    return ncx_putn_longlong_int(xpp, nelems, tp, fillp);
  case NC_UINT64:
    return ncx_putn_ulonglong_int(xpp, nelems, tp, fillp);
  default:
                assert("ncx_pad_putn_Iint invalid type" == 0);
  }
  return NC_EBADTYPE;
}

static int
ncx_pad_getn_Iint(const void **xpp, size_t nelems, int *tp, nc_type type)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_getn_schar_int(xpp, nelems, tp);
  case NC_SHORT:
    return ncx_pad_getn_short_int(xpp, nelems, tp);
  case NC_INT:
    return ncx_getn_int_int(xpp, nelems, tp);
  case NC_FLOAT:
    return ncx_getn_float_int(xpp, nelems, tp);
  case NC_DOUBLE:
    return ncx_getn_double_int(xpp, nelems, tp);
  case NC_UBYTE:
    return ncx_pad_getn_uchar_int(xpp, nelems, tp);
  case NC_USHORT:
    return ncx_getn_ushort_int(xpp, nelems, tp);
  case NC_UINT:
    return ncx_getn_uint_int(xpp, nelems, tp);
  case NC_INT64:
    return ncx_getn_longlong_int(xpp, nelems, tp);
  case NC_UINT64:
    return ncx_getn_ulonglong_int(xpp, nelems, tp);
  default:
          assert("ncx_pad_getn_Iint invalid type" == 0);
  }
  return NC_EBADTYPE;
}


static int
ncx_pad_putn_Ifloat(void **xpp, size_t nelems, const float *tp, nc_type type, void *fillp)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_putn_schar_float(xpp, nelems, tp, fillp);
  case NC_SHORT:
    return ncx_pad_putn_short_float(xpp, nelems, tp, fillp);
  case NC_INT:
    return ncx_putn_int_float(xpp, nelems, tp, fillp);
  case NC_FLOAT:
    return ncx_putn_float_float(xpp, nelems, tp, fillp);
  case NC_DOUBLE:
    return ncx_putn_double_float(xpp, nelems, tp, fillp);
  case NC_UBYTE:
    return ncx_pad_putn_uchar_float(xpp, nelems, tp, fillp);
  case NC_USHORT:
    return ncx_putn_ushort_float(xpp, nelems, tp, fillp);
  case NC_UINT:
    return ncx_putn_uint_float(xpp, nelems, tp, fillp);
  case NC_INT64:
    return ncx_putn_longlong_float(xpp, nelems, tp, fillp);
  case NC_UINT64:
    return ncx_putn_ulonglong_float(xpp, nelems, tp, fillp);
  default:
                assert("ncx_pad_putn_Ifloat invalid type" == 0);
  }
  return NC_EBADTYPE;
}

static int
ncx_pad_getn_Ifloat(const void **xpp, size_t nelems, float *tp, nc_type type)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_getn_schar_float(xpp, nelems, tp);
  case NC_SHORT:
    return ncx_pad_getn_short_float(xpp, nelems, tp);
  case NC_INT:
    return ncx_getn_int_float(xpp, nelems, tp);
  case NC_FLOAT:
    return ncx_getn_float_float(xpp, nelems, tp);
  case NC_DOUBLE:
    return ncx_getn_double_float(xpp, nelems, tp);
  case NC_UBYTE:
    return ncx_pad_getn_uchar_float(xpp, nelems, tp);
  case NC_USHORT:
    return ncx_getn_ushort_float(xpp, nelems, tp);
  case NC_UINT:
    return ncx_getn_uint_float(xpp, nelems, tp);
  case NC_INT64:
    return ncx_getn_longlong_float(xpp, nelems, tp);
  case NC_UINT64:
    return ncx_getn_ulonglong_float(xpp, nelems, tp);
  default:
          assert("ncx_pad_getn_Ifloat invalid type" == 0);
  }
  return NC_EBADTYPE;
}


static int
ncx_pad_putn_Idouble(void **xpp, size_t nelems, const double *tp, nc_type type, void *fillp)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_putn_schar_double(xpp, nelems, tp, fillp);
  case NC_SHORT:
    return ncx_pad_putn_short_double(xpp, nelems, tp, fillp);
  case NC_INT:
    return ncx_putn_int_double(xpp, nelems, tp, fillp);
  case NC_FLOAT:
    return ncx_putn_float_double(xpp, nelems, tp, fillp);
  case NC_DOUBLE:
    return ncx_putn_double_double(xpp, nelems, tp, fillp);
  case NC_UBYTE:
    return ncx_pad_putn_uchar_double(xpp, nelems, tp, fillp);
  case NC_USHORT:
    return ncx_putn_ushort_double(xpp, nelems, tp, fillp);
  case NC_UINT:
    return ncx_putn_uint_double(xpp, nelems, tp, fillp);
  case NC_INT64:
    return ncx_putn_longlong_double(xpp, nelems, tp, fillp);
  case NC_UINT64:
    return ncx_putn_ulonglong_double(xpp, nelems, tp, fillp);
  default:
                assert("ncx_pad_putn_Idouble invalid type" == 0);
  }
  return NC_EBADTYPE;
}

static int
ncx_pad_getn_Idouble(const void **xpp, size_t nelems, double *tp, nc_type type)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_getn_schar_double(xpp, nelems, tp);
  case NC_SHORT:
    return ncx_pad_getn_short_double(xpp, nelems, tp);
  case NC_INT:
    return ncx_getn_int_double(xpp, nelems, tp);
  case NC_FLOAT:
    return ncx_getn_float_double(xpp, nelems, tp);
  case NC_DOUBLE:
    return ncx_getn_double_double(xpp, nelems, tp);
  case NC_UBYTE:
    return ncx_pad_getn_uchar_double(xpp, nelems, tp);
  case NC_USHORT:
    return ncx_getn_ushort_double(xpp, nelems, tp);
  case NC_UINT:
    return ncx_getn_uint_double(xpp, nelems, tp);
  case NC_INT64:
    return ncx_getn_longlong_double(xpp, nelems, tp);
  case NC_UINT64:
    return ncx_getn_ulonglong_double(xpp, nelems, tp);
  default:
          assert("ncx_pad_getn_Idouble invalid type" == 0);
  }
  return NC_EBADTYPE;
}


#ifdef IGNORE
static int
ncx_pad_putn_Ilong(void **xpp, size_t nelems, const long *tp, nc_type type, void *fillp)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_putn_schar_long(xpp, nelems, tp, fillp);
  case NC_SHORT:
    return ncx_pad_putn_short_long(xpp, nelems, tp, fillp);
  case NC_INT:
    return ncx_putn_int_long(xpp, nelems, tp, fillp);
  case NC_FLOAT:
    return ncx_putn_float_long(xpp, nelems, tp, fillp);
  case NC_DOUBLE:
    return ncx_putn_double_long(xpp, nelems, tp, fillp);
  case NC_UBYTE:
    return ncx_pad_putn_uchar_long(xpp, nelems, tp, fillp);
  case NC_USHORT:
    return ncx_putn_ushort_long(xpp, nelems, tp, fillp);
  case NC_UINT:
    return ncx_putn_uint_long(xpp, nelems, tp, fillp);
  case NC_INT64:
    return ncx_putn_longlong_long(xpp, nelems, tp, fillp);
  case NC_UINT64:
    return ncx_putn_ulonglong_long(xpp, nelems, tp, fillp);
  default:
                assert("ncx_pad_putn_Ilong invalid type" == 0);
  }
  return NC_EBADTYPE;
}

static int
ncx_pad_getn_Ilong(const void **xpp, size_t nelems, long *tp, nc_type type)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_getn_schar_long(xpp, nelems, tp);
  case NC_SHORT:
    return ncx_pad_getn_short_long(xpp, nelems, tp);
  case NC_INT:
    return ncx_getn_int_long(xpp, nelems, tp);
  case NC_FLOAT:
    return ncx_getn_float_long(xpp, nelems, tp);
  case NC_DOUBLE:
    return ncx_getn_double_long(xpp, nelems, tp);
  case NC_UBYTE:
    return ncx_pad_getn_uchar_long(xpp, nelems, tp);
  case NC_USHORT:
    return ncx_getn_ushort_long(xpp, nelems, tp);
  case NC_UINT:
    return ncx_getn_uint_long(xpp, nelems, tp);
  case NC_INT64:
    return ncx_getn_longlong_long(xpp, nelems, tp);
  case NC_UINT64:
    return ncx_getn_ulonglong_long(xpp, nelems, tp);
  default:
          assert("ncx_pad_getn_Ilong invalid type" == 0);
  }
  return NC_EBADTYPE;
}

#endif

static int
ncx_pad_putn_Ilonglong(void **xpp, size_t nelems, const longlong *tp, nc_type type, void *fillp)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_putn_schar_longlong(xpp, nelems, tp, fillp);
  case NC_SHORT:
    return ncx_pad_putn_short_longlong(xpp, nelems, tp, fillp);
  case NC_INT:
    return ncx_putn_int_longlong(xpp, nelems, tp, fillp);
  case NC_FLOAT:
    return ncx_putn_float_longlong(xpp, nelems, tp, fillp);
  case NC_DOUBLE:
    return ncx_putn_double_longlong(xpp, nelems, tp, fillp);
  case NC_UBYTE:
    return ncx_pad_putn_uchar_longlong(xpp, nelems, tp, fillp);
  case NC_USHORT:
    return ncx_putn_ushort_longlong(xpp, nelems, tp, fillp);
  case NC_UINT:
    return ncx_putn_uint_longlong(xpp, nelems, tp, fillp);
  case NC_INT64:
    return ncx_putn_longlong_longlong(xpp, nelems, tp, fillp);
  case NC_UINT64:
    return ncx_putn_ulonglong_longlong(xpp, nelems, tp, fillp);
  default:
                assert("ncx_pad_putn_Ilonglong invalid type" == 0);
  }
  return NC_EBADTYPE;
}

static int
ncx_pad_getn_Ilonglong(const void **xpp, size_t nelems, longlong *tp, nc_type type)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_getn_schar_longlong(xpp, nelems, tp);
  case NC_SHORT:
    return ncx_pad_getn_short_longlong(xpp, nelems, tp);
  case NC_INT:
    return ncx_getn_int_longlong(xpp, nelems, tp);
  case NC_FLOAT:
    return ncx_getn_float_longlong(xpp, nelems, tp);
  case NC_DOUBLE:
    return ncx_getn_double_longlong(xpp, nelems, tp);
  case NC_UBYTE:
    return ncx_pad_getn_uchar_longlong(xpp, nelems, tp);
  case NC_USHORT:
    return ncx_getn_ushort_longlong(xpp, nelems, tp);
  case NC_UINT:
    return ncx_getn_uint_longlong(xpp, nelems, tp);
  case NC_INT64:
    return ncx_getn_longlong_longlong(xpp, nelems, tp);
  case NC_UINT64:
    return ncx_getn_ulonglong_longlong(xpp, nelems, tp);
  default:
          assert("ncx_pad_getn_Ilonglong invalid type" == 0);
  }
  return NC_EBADTYPE;
}


static int
ncx_pad_putn_Iushort(void **xpp, size_t nelems, const ushort *tp, nc_type type, void *fillp)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_putn_schar_ushort(xpp, nelems, tp, fillp);
  case NC_SHORT:
    return ncx_pad_putn_short_ushort(xpp, nelems, tp, fillp);
  case NC_INT:
    return ncx_putn_int_ushort(xpp, nelems, tp, fillp);
  case NC_FLOAT:
    return ncx_putn_float_ushort(xpp, nelems, tp, fillp);
  case NC_DOUBLE:
    return ncx_putn_double_ushort(xpp, nelems, tp, fillp);
  case NC_UBYTE:
    return ncx_pad_putn_uchar_ushort(xpp, nelems, tp, fillp);
  case NC_USHORT:
    return ncx_putn_ushort_ushort(xpp, nelems, tp, fillp);
  case NC_UINT:
    return ncx_putn_uint_ushort(xpp, nelems, tp, fillp);
  case NC_INT64:
    return ncx_putn_longlong_ushort(xpp, nelems, tp, fillp);
  case NC_UINT64:
    return ncx_putn_ulonglong_ushort(xpp, nelems, tp, fillp);
  default:
                assert("ncx_pad_putn_Iushort invalid type" == 0);
  }
  return NC_EBADTYPE;
}

static int
ncx_pad_getn_Iushort(const void **xpp, size_t nelems, ushort *tp, nc_type type)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_getn_schar_ushort(xpp, nelems, tp);
  case NC_SHORT:
    return ncx_pad_getn_short_ushort(xpp, nelems, tp);
  case NC_INT:
    return ncx_getn_int_ushort(xpp, nelems, tp);
  case NC_FLOAT:
    return ncx_getn_float_ushort(xpp, nelems, tp);
  case NC_DOUBLE:
    return ncx_getn_double_ushort(xpp, nelems, tp);
  case NC_UBYTE:
    return ncx_pad_getn_uchar_ushort(xpp, nelems, tp);
  case NC_USHORT:
    return ncx_getn_ushort_ushort(xpp, nelems, tp);
  case NC_UINT:
    return ncx_getn_uint_ushort(xpp, nelems, tp);
  case NC_INT64:
    return ncx_getn_longlong_ushort(xpp, nelems, tp);
  case NC_UINT64:
    return ncx_getn_ulonglong_ushort(xpp, nelems, tp);
  default:
          assert("ncx_pad_getn_Iushort invalid type" == 0);
  }
  return NC_EBADTYPE;
}


static int
ncx_pad_putn_Iuint(void **xpp, size_t nelems, const uint *tp, nc_type type, void *fillp)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_putn_schar_uint(xpp, nelems, tp, fillp);
  case NC_SHORT:
    return ncx_pad_putn_short_uint(xpp, nelems, tp, fillp);
  case NC_INT:
    return ncx_putn_int_uint(xpp, nelems, tp, fillp);
  case NC_FLOAT:
    return ncx_putn_float_uint(xpp, nelems, tp, fillp);
  case NC_DOUBLE:
    return ncx_putn_double_uint(xpp, nelems, tp, fillp);
  case NC_UBYTE:
    return ncx_pad_putn_uchar_uint(xpp, nelems, tp, fillp);
  case NC_USHORT:
    return ncx_putn_ushort_uint(xpp, nelems, tp, fillp);
  case NC_UINT:
    return ncx_putn_uint_uint(xpp, nelems, tp, fillp);
  case NC_INT64:
    return ncx_putn_longlong_uint(xpp, nelems, tp, fillp);
  case NC_UINT64:
    return ncx_putn_ulonglong_uint(xpp, nelems, tp, fillp);
  default:
                assert("ncx_pad_putn_Iuint invalid type" == 0);
  }
  return NC_EBADTYPE;
}

static int
ncx_pad_getn_Iuint(const void **xpp, size_t nelems, uint *tp, nc_type type)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_getn_schar_uint(xpp, nelems, tp);
  case NC_SHORT:
    return ncx_pad_getn_short_uint(xpp, nelems, tp);
  case NC_INT:
    return ncx_getn_int_uint(xpp, nelems, tp);
  case NC_FLOAT:
    return ncx_getn_float_uint(xpp, nelems, tp);
  case NC_DOUBLE:
    return ncx_getn_double_uint(xpp, nelems, tp);
  case NC_UBYTE:
    return ncx_pad_getn_uchar_uint(xpp, nelems, tp);
  case NC_USHORT:
    return ncx_getn_ushort_uint(xpp, nelems, tp);
  case NC_UINT:
    return ncx_getn_uint_uint(xpp, nelems, tp);
  case NC_INT64:
    return ncx_getn_longlong_uint(xpp, nelems, tp);
  case NC_UINT64:
    return ncx_getn_ulonglong_uint(xpp, nelems, tp);
  default:
          assert("ncx_pad_getn_Iuint invalid type" == 0);
  }
  return NC_EBADTYPE;
}


static int
ncx_pad_putn_Iulonglong(void **xpp, size_t nelems, const ulonglong *tp, nc_type type, void *fillp)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_putn_schar_ulonglong(xpp, nelems, tp, fillp);
  case NC_SHORT:
    return ncx_pad_putn_short_ulonglong(xpp, nelems, tp, fillp);
  case NC_INT:
    return ncx_putn_int_ulonglong(xpp, nelems, tp, fillp);
  case NC_FLOAT:
    return ncx_putn_float_ulonglong(xpp, nelems, tp, fillp);
  case NC_DOUBLE:
    return ncx_putn_double_ulonglong(xpp, nelems, tp, fillp);
  case NC_UBYTE:
    return ncx_pad_putn_uchar_ulonglong(xpp, nelems, tp, fillp);
  case NC_USHORT:
    return ncx_putn_ushort_ulonglong(xpp, nelems, tp, fillp);
  case NC_UINT:
    return ncx_putn_uint_ulonglong(xpp, nelems, tp, fillp);
  case NC_INT64:
    return ncx_putn_longlong_ulonglong(xpp, nelems, tp, fillp);
  case NC_UINT64:
    return ncx_putn_ulonglong_ulonglong(xpp, nelems, tp, fillp);
  default:
                assert("ncx_pad_putn_Iulonglong invalid type" == 0);
  }
  return NC_EBADTYPE;
}

static int
ncx_pad_getn_Iulonglong(const void **xpp, size_t nelems, ulonglong *tp, nc_type type)
{
  switch(type) {
  case NC_CHAR:
    return NC_ECHAR;
  case NC_BYTE:
    return ncx_pad_getn_schar_ulonglong(xpp, nelems, tp);
  case NC_SHORT:
    return ncx_pad_getn_short_ulonglong(xpp, nelems, tp);
  case NC_INT:
    return ncx_getn_int_ulonglong(xpp, nelems, tp);
  case NC_FLOAT:
    return ncx_getn_float_ulonglong(xpp, nelems, tp);
  case NC_DOUBLE:
    return ncx_getn_double_ulonglong(xpp, nelems, tp);
  case NC_UBYTE:
    return ncx_pad_getn_uchar_ulonglong(xpp, nelems, tp);
  case NC_USHORT:
    return ncx_getn_ushort_ulonglong(xpp, nelems, tp);
  case NC_UINT:
    return ncx_getn_uint_ulonglong(xpp, nelems, tp);
  case NC_INT64:
    return ncx_getn_longlong_ulonglong(xpp, nelems, tp);
  case NC_UINT64:
    return ncx_getn_ulonglong_ulonglong(xpp, nelems, tp);
  default:
          assert("ncx_pad_getn_Iulonglong invalid type" == 0);
  }
  return NC_EBADTYPE;
}



/* Common dispatcher for put cases */
static int
dispatchput(void **xpp, size_t nelems, const void* tp,
      nc_type atype, nc_type memtype, void *fillp)
{
    switch (memtype) {
    case NC_CHAR:
        return ncx_pad_putn_text(xpp,nelems, (char *)tp);
    case NC_BYTE:
        return ncx_pad_putn_Ischar(xpp, nelems, (schar*)tp, atype, fillp);
    case NC_SHORT:
        return ncx_pad_putn_Ishort(xpp, nelems, (short*)tp, atype, fillp);
    case NC_INT:
          return ncx_pad_putn_Iint(xpp, nelems, (int*)tp, atype, fillp);
    case NC_FLOAT:
        return ncx_pad_putn_Ifloat(xpp, nelems, (float*)tp, atype, fillp);
    case NC_DOUBLE:
        return ncx_pad_putn_Idouble(xpp, nelems, (double*)tp, atype, fillp);
    case NC_UBYTE: /*Synthetic*/
        return ncx_pad_putn_Iuchar(xpp,nelems, (uchar *)tp, atype, fillp);
    case NC_INT64:
          return ncx_pad_putn_Ilonglong(xpp, nelems, (longlong*)tp, atype, fillp);
    case NC_USHORT:
          return ncx_pad_putn_Iushort(xpp, nelems, (ushort*)tp, atype, fillp);
    case NC_UINT:
          return ncx_pad_putn_Iuint(xpp, nelems, (uint*)tp, atype, fillp);
    case NC_UINT64:
          return ncx_pad_putn_Iulonglong(xpp, nelems, (ulonglong*)tp, atype, fillp);
    case NC_NAT:
        return NC_EBADTYPE;
    default:
        break;
    }
    return NC_EBADTYPE;
}

int
NC3_put_att(
  int ncid,
  int varid,
  const char *name,
  nc_type type,
  size_t nelems,
  const void *value,
  nc_type memtype)
{
    int status;
    NC *nc;
    NC3_INFO* ncp;
    NC_attrarray *ncap;
    NC_attr **attrpp;
    NC_attr *old = NULL;
    NC_attr *attrp;
    unsigned char fill[8]; /* fill value in internal representation */

    status = NC_check_id(ncid, &nc);
    if(status != NC_NOERR)
  return status;
    ncp = NC3_DATA(nc);

    if(NC_readonly(ncp))
  return NC_EPERM;

    ncap = NC_attrarray0(ncp, varid);
    if(ncap == NULL)
  return NC_ENOTVAR;

    if (name == NULL)
        return NC_EBADNAME;

    /* check NC_EBADTYPE */
    status = nc3_cktype(nc->mode, type);
    if(status != NC_NOERR)
  return status;

    if(memtype == NC_NAT) memtype = type;

    if(memtype != NC_CHAR && type == NC_CHAR)
  return NC_ECHAR;
    if(memtype == NC_CHAR && type != NC_CHAR)
  return NC_ECHAR;

    /* cast needed for braindead systems with signed size_t */
    if((unsigned long) nelems > X_INT_MAX) /* backward compat */
  return NC_EINVAL; /* Invalid nelems */

    if(nelems != 0 && value == NULL)
  return NC_EINVAL; /* Null arg */

    /* Temporarily removed to preserve extant
       workflows (NCO based and others). See

       https://github.com/Unidata/netcdf-c/issues/843

       for more information. */

#if 0
    if (varid != NC_GLOBAL && !strcmp(name, _FillValue)) {
        /* Fill value must be of the same data type */
        if (type != ncp->vars.value[varid]->type) return NC_EBADTYPE;

        /* Fill value must have exactly one value */
        if (nelems != 1) return NC_EINVAL;

        /* Only allow for variables defined in initial define mode */
        if (ncp->old != NULL && varid < ncp->old->vars.nelems)
            return NC_ELATEFILL; /* try put attribute for an old variable */
    }
#endif

    attrpp = NC_findattr(ncap, name);

    /* 4 cases: exists X indef */

    status = NC3_inq_default_fill_value(type, &fill);
    if (status != NC_NOERR) return status;

    if(attrpp != NULL) { /* name in use */
        if(!NC_indef(ncp)) {
      const size_t xsz = ncx_len_NC_attrV(type, nelems);
            attrp = *attrpp; /* convenience */

      if(xsz > attrp->xsz) return NC_ENOTINDEFINE;
      /* else, we can reuse existing without redef */

      attrp->xsz = xsz;
            attrp->type = type;
            attrp->nelems = nelems;

            if(nelems != 0) {
                void *xp = attrp->xvalue;
                /* for CDF-1 and CDF-2, NC_BYTE is treated the same type as uchar memtype */
                if (!fIsSet(ncp->flags,NC_64BIT_DATA) && type == NC_BYTE && memtype == NC_UBYTE) {
                    status = NC3_inq_default_fill_value(NC_UBYTE, &fill);
                    if (status != NC_NOERR) return status;
                    status = dispatchput(&xp, nelems, value, memtype, memtype, &fill);
                } else
                    status = dispatchput(&xp, nelems, value, type, memtype, &fill);
            }

            set_NC_hdirty(ncp);

            if(NC_doHsync(ncp)) {
          const int lstatus = NC_sync(ncp);
                /*
                 * N.B.: potentially overrides NC_ERANGE
                 * set by ncx_pad_putn_I$1
                 */
                if(lstatus != NC_NOERR) return lstatus;
            }

            return status;
        }
        /* else, redefine using existing array slot */
        old = *attrpp;
    } else {
        if(!NC_indef(ncp)) return NC_ENOTINDEFINE;
    }

    status = NC_check_name(name);
    if(status != NC_NOERR) return status;

    attrp = new_NC_attr(name, type, nelems);
    if(attrp == NULL) return NC_ENOMEM;

    if(nelems != 0) {
        void *xp = attrp->xvalue;
        /* for CDF-1 and CDF-2, NC_BYTE is treated the same type as uchar memtype */
        if (!fIsSet(ncp->flags,NC_64BIT_DATA) && type == NC_BYTE && memtype == NC_UBYTE) {
            status = NC3_inq_default_fill_value(NC_UBYTE, &fill);
            if (status != NC_NOERR) return status;
            status = dispatchput(&xp, nelems, (const void*)value, memtype, memtype, &fill);
        } else
            status = dispatchput(&xp, nelems, (const void*)value, type, memtype, &fill);
    }

    if(attrpp != NULL) {
        *attrpp = attrp;
  if(old != NULL)
          free_NC_attr(old);
    } else {
        const int lstatus = incr_NC_attrarray(ncap, attrp);
        /*
         * N.B.: potentially overrides NC_ERANGE
         * set by ncx_pad_putn_I$1
         */
        if(lstatus != NC_NOERR) {
           free_NC_attr(attrp);
           return lstatus;
        }
    }
    return status;
}

int
NC3_get_att(
  int ncid,
  int varid,
  const char *name,
  void *value,
  nc_type memtype)
{
    int status;
    NC *nc;
    NC3_INFO* ncp;
    NC_attr *attrp;
    const void *xp;

    status = NC_check_id(ncid, &nc);
    if(status != NC_NOERR)
  return status;
    ncp = NC3_DATA(nc);

    status = NC_lookupattr(ncid, varid, name, &attrp);
    if(status != NC_NOERR) return status;

    if(attrp->nelems == 0) return NC_NOERR;

    if(memtype == NC_NAT) memtype = attrp->type;

    if(memtype != NC_CHAR && attrp->type == NC_CHAR)
  return NC_ECHAR;
    if(memtype == NC_CHAR && attrp->type != NC_CHAR)
  return NC_ECHAR;

    xp = attrp->xvalue;
    switch (memtype) {
    case NC_CHAR:
        return ncx_pad_getn_text(&xp, attrp->nelems, (char *)value);
    case NC_BYTE:
        return ncx_pad_getn_Ischar(&xp,attrp->nelems,(schar*)value,attrp->type);
    case NC_SHORT:
        return ncx_pad_getn_Ishort(&xp,attrp->nelems,(short*)value,attrp->type);
    case NC_INT:
          return ncx_pad_getn_Iint(&xp,attrp->nelems,(int*)value,attrp->type);
    case NC_FLOAT:
        return ncx_pad_getn_Ifloat(&xp,attrp->nelems,(float*)value,attrp->type);
    case NC_DOUBLE:
        return ncx_pad_getn_Idouble(&xp,attrp->nelems,(double*)value,attrp->type);
    case NC_INT64:
          return ncx_pad_getn_Ilonglong(&xp,attrp->nelems,(longlong*)value,attrp->type);
    case NC_UBYTE: /* Synthetic */
        /* for CDF-1 and CDF-2, NC_BYTE is treated the same type as uchar memtype */
        if (!fIsSet(ncp->flags,NC_64BIT_DATA) && attrp->type == NC_BYTE)
            return ncx_pad_getn_Iuchar(&xp, attrp->nelems, (uchar *)value, NC_UBYTE);
        else
            return ncx_pad_getn_Iuchar(&xp, attrp->nelems, (uchar *)value, attrp->type);
    case NC_USHORT:
          return ncx_pad_getn_Iushort(&xp,attrp->nelems,(ushort*)value,attrp->type);
    case NC_UINT:
          return ncx_pad_getn_Iuint(&xp,attrp->nelems,(uint*)value,attrp->type);
    case NC_UINT64:
          return ncx_pad_getn_Iulonglong(&xp,attrp->nelems,(ulonglong*)value,attrp->type);
    case NC_NAT:
        return NC_EBADTYPE;
    default:
        break;
    }
    status =  NC_EBADTYPE;
    return status;
}

Coverage Report

Created: 2026-07-16 06:49