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netcdf-c/libsrc/t_ncx.c
Ed Hartnett 18f4bca367 moving to trunk subdir
2010-06-03 13:24:43 +00:00

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/*
* Copyright 1996, University Corporation for Atmospheric Research
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
*/
/* $Id: t_ncx.c,v 1.45 2010/05/26 11:11:26 ed Exp $ */
#include <config.h>
#include <stdio.h>
#include <limits.h>
/* alias poorly named limits.h macros */
#define SHORT_MAX SHRT_MAX
#define SHORT_MIN SHRT_MIN
#define USHORT_MAX USHRT_MAX
#include <rpc/types.h>
#include <rpc/xdr.h>
#include <string.h>
#include "ncx.h"
#define NO_UNSIGNED
#define NO_UNSIGNED_LONG
/*
* This program tests the xdr_mem implementation and
* the ncx_ implementation, and compares the two.
* Link like this:
* cc t_ncx.c ncx.o [-lsome_xdr_lib] -o t_nxc
* Successful output is:
xdr_encode ends at byte 640
xdr_check ends at byte 640
ncx_encode ends at byte 640
ncx_check ends at byte 640
xdr_check ends at byte 640
ncx_check ends at byte 640
* with exit status 0;
*/
#define XBSZ 1024
char xdrb[XBSZ];
char ncxb[XBSZ];
#define ArraySize(thang) (sizeof(thang)/sizeof(thang[0]))
#define uiArraySize(thang) ((u_int)ArraySize(thang))
#define eSizeOf(thang) ((u_int)(sizeof(thang[0])))
/*
* Some test data
*/
static char text[] = { "Hiya sailor. New in town?" };
/*
* Some test data
* The ideas is that ncx_putn_type_type(...., types)
* should not return NC_ERANGE.
*/
#if SCHAR_MAX == X_SCHAR_MAX && SCHAR_MIN == X_SCHAR_MIN
static schar schars[] = {
SCHAR_MIN, SCHAR_MIN +1,
-1, 0, 1,
SCHAR_MAX - 1, SCHAR_MAX
};
#else
/* The implementation and this test assume 8 bit bytes. */
#error "Not 8 bit bytes ??"
#endif
static short shorts[] = {
#if SHORT_MAX <= X_SHORT_MAX
SHORT_MIN, SHORT_MIN + 1,
# if SCHAR_MAX < X_SHORT_MAX
SCHAR_MIN - 1, SCHAR_MIN, SCHAR_MIN + 1,
# endif
-1, 0, 1,
# if SCHAR_MAX < X_SHORT_MAX
SCHAR_MAX - 1, SCHAR_MAX, SCHAR_MAX + 1,
# endif
SHORT_MAX - 1, SHORT_MAX
#else
X_SHORT_MIN, X_SHORT_MIN + 1,
# if SCHAR_MAX < X_SHORT_MAX
SCHAR_MIN - 1, SCHAR_MIN, SCHAR_MIN + 1,
# endif
-1, 0, 1,
# if SCHAR_MAX < X_SHORT_MAX
SCHAR_MAX - 1, SCHAR_MAX, SCHAR_MAX + 1,
# endif
X_SHORT_MAX - 1, X_SHORT_MAX
#endif
};
static int ints[] = {
#if INT_MAX <= X_INT_MAX
INT_MIN, INT_MIN +1,
# if SHORT_MAX < X_INT_MAX
SHORT_MIN -1, SHORT_MIN, SHORT_MIN + 1,
# endif
# if SCHAR_MAX < X_INT_MAX
SCHAR_MIN - 1, SCHAR_MIN, SCHAR_MIN + 1,
# endif
-1, 0, 1,
# if SCHAR_MAX < X_INT_MAX
SCHAR_MAX - 1, SCHAR_MAX, SCHAR_MAX + 1,
# endif
# if SHORT_MAX < X_INT_MAX
SHORT_MAX - 1, SHORT_MAX, SHORT_MAX +1,
# endif
INT_MAX - 1, INT_MAX
#else
X_INT_MIN, X_INT_MIN +1,
# if SHORT_MAX < X_INT_MAX
SHORT_MIN -1, SHORT_MIN, SHORT_MIN + 1,
# endif
# if SCHAR_MAX < X_INT_MAX
SCHAR_MIN - 1, SCHAR_MIN, SCHAR_MIN + 1,
# endif
-1, 0, 1,
# if SCHAR_MAX < X_INT_MAX
SCHAR_MAX - 1, SCHAR_MAX, SCHAR_MAX + 1,
# endif
# if SHORT_MAX < X_INT_MAX
SHORT_MAX - 1, SHORT_MAX, SHORT_MAX +1,
# endif
X_INT_MAX - 1, X_INT_MAX
#endif /* INT */
};
/* N.B. only testing longs over X_INT range for now */
static long longs[] = {
#if LONG_MAX <= X_INT_MAX
LONG_MIN, LONG_MIN +1,
# if INT_MAX < X_INT_MAX
INT_MIN -1, INT_MIN, INT_MIN + 1,
# endif
# if SHORT_MAX < X_INT_MAX
SHORT_MIN -1, SHORT_MIN, SHORT_MIN + 1,
# endif
# if SCHAR_MAX < X_INT_MAX
SCHAR_MIN - 1, SCHAR_MIN, SCHAR_MIN + 1,
# endif
-1, 0, 1,
# if SCHAR_MAX < X_INT_MAX
SCHAR_MAX - 1, SCHAR_MAX, SCHAR_MAX + 1,
# endif
# if SHORT_MAX < X_INT_MAX
SHORT_MAX - 1, SHORT_MAX, SHORT_MAX +1,
# endif
# if INT_MAX < X_INT_MAX
INT_MAX -1, INT_MAX, INT_MAX + 1,
# endif
LONG_MAX - 1, LONG_MAX
#else
X_INT_MIN, X_INT_MIN +1,
# if SHORT_MAX < X_INT_MAX
SHORT_MIN -1, SHORT_MIN, SHORT_MIN + 1,
# endif
# if SCHAR_MAX < X_INT_MAX
SCHAR_MIN - 1, SCHAR_MIN, SCHAR_MIN + 1,
# endif
-1, 0, 1,
# if SCHAR_MAX < X_INT_MAX
SCHAR_MAX - 1, SCHAR_MAX, SCHAR_MAX + 1,
# endif
# if SHORT_MAX < X_INT_MAX
SHORT_MAX - 1, SHORT_MAX, SHORT_MAX +1,
# endif
X_INT_MAX - 1, X_INT_MAX
#endif
};
static float floats[] = {
-100.625, -100.5, -100.375, -100.25, -100.125,
-1.0, -.125, 0., .125, 1.,
100.125, 100.25, 100.375, 100.5, 100.625
};
/* The big numbers require 25 bits: 2^(25-i)+1/2^i, i = 2, 3, ..., 6 */
static double doubles[] = {
-8388608.25, -4194304.125, -2097152.0625, -1048576.03125, -524288.015625
-100.625, -100.5, -100.375, -100.25, -100.125,
-1.0, -.125, 0., .125, 1.,
100.125, 100.25, 100.375, 100.5, 100.625,
524288.015625, 1048576.03125, 2097152.0625, 4194304.125, 8388608.25
};
/* End of test data */
/*
* Copyright 1993, University Corporation for Atmospheric Research
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
*/
/* $Id: t_ncx.c,v 1.45 2010/05/26 11:11:26 ed Exp $ */
/* putget.c */
/*
* xdr 1 - 3 bytes, leaving adjoining bytes within the word ok.
* (minimum unit of io is 4 bytes)
*/
static bool_t
xdr_NCvbyte(XDR *xdrs, unsigned rem, unsigned count, char *value)
{
char buf[4] ;
u_int origin ;
enum xdr_op x_op = xdrs->x_op ; /* save state */
if(x_op == XDR_ENCODE)
{
/*
* Since we only read/write multiples of four bytes,
* We will read in the word to change one byte in it.
*/
origin = xdr_getpos( xdrs ) ;
/* next op is a get */
xdrs->x_op = XDR_DECODE ;
}
if(!xdr_opaque(xdrs, buf, 4))
{
/* get failed, assume we are trying to read off the end */
(void)memset(buf, 0, sizeof(buf)) ;
}
if(x_op == XDR_ENCODE) /* back to encode */
xdrs->x_op = x_op ;
while(count-- != 0)
{
if(x_op == XDR_ENCODE)
buf[rem] = *value ;
else
*value = buf[rem] ;
rem++ ;
value++ ;
}
if(x_op == XDR_ENCODE)
{
if( !xdr_setpos(xdrs, origin) )
return(FALSE) ;
if( !xdr_opaque(xdrs, buf, 4))
return(FALSE) ;
}
return(TRUE) ;
}
/* xdrshorts.c */
/* you may wish to tune this: big on a cray, small on a PC? */
#define NC_SHRT_BUFSIZ 8192
#define NC_NSHRTS_PER (NC_SHRT_BUFSIZ/2) /* number of netshorts the buffer holds */
/*
* xdr a short leaving adjoining short within the word ok.
* (minimum unit of io is 4 bytes)
*/
static bool_t
xdr_NCvshort(XDR *xdrs, unsigned which, short *value)
{
unsigned char buf[4] ; /* unsigned is important here */
u_int origin ;
enum xdr_op x_op = xdrs->x_op ; /* save state */
if(x_op == XDR_ENCODE)
{
origin = xdr_getpos( xdrs ) ;
/* next op is a get */
xdrs->x_op = XDR_DECODE ;
}
if(!xdr_opaque(xdrs, (caddr_t)buf, 4))
{
/* get failed, assume we are trying to read off the end */
(void)memset(buf, 0, sizeof(buf)) ;
}
if(x_op == XDR_ENCODE) /* back to encode */
xdrs->x_op = x_op ;
if(which != 0) which = 2 ;
if(xdrs->x_op == XDR_ENCODE)
{
buf[which +1] = *value % 256 ;
buf[which] = (*value >> 8) ;
if( !xdr_setpos(xdrs, origin) )
return(FALSE) ;
if( !xdr_opaque(xdrs, (caddr_t)buf, 4))
return(FALSE) ;
}
else
{
*value = (((unsigned)buf[which] & 0x7f) << 8) +
(unsigned)buf[which + 1] ;
if((unsigned)buf[which] & 0x80)
{
/* extern is neg */
*value -= 0x8000 ;
}
}
return(TRUE) ;
}
/*
* internal function, bulk xdr of an even number of shorts, less than NC_NSHRTS_PER
*/
static
bool_t
NCxdr_shortsb(XDR *xdrs, short *sp, u_int nshorts)
{
unsigned char buf[NC_SHRT_BUFSIZ] ;
unsigned char *cp ;
unsigned int nbytes = nshorts * 2;
/* assert(nshorts <= NC_NSHRTS_PER) ; */
/* assert(nshorts > 0) ; */
if(xdrs->x_op == XDR_ENCODE)
{
for(cp = buf ; cp < &buf[nbytes] ; sp++, cp += 2 )
{
*(cp +1) = *sp % 256 ;
*cp = (*sp >> 8) ;
}
}
if(!xdr_opaque(xdrs, (caddr_t)buf, nbytes))
return FALSE ;
if(xdrs->x_op == XDR_DECODE)
{
for(cp = buf ; cp < &buf[nbytes] ; sp++, cp += 2 )
{
*sp = (((unsigned)*cp & 0x7f) << 8) +
(unsigned)*(cp +1) ;
if((unsigned)*cp & 0x80)
{
/* extern is neg */
*sp -= 0x8000 ;
}
}
}
return TRUE ;
}
/*
* Translate an array of cnt short integers at sp.
*/
bool_t
xdr_shorts(XDR *xdrs, short *sp, u_int cnt)
{
int odd ; /* 1 if cnt is odd, 0 otherwise */
if(cnt == 0)
return TRUE ; /* ? */
odd = cnt % 2 ;
if(odd)
cnt-- ;
/* cnt is even, odd is set if apropos */
while(cnt > NC_NSHRTS_PER)
{
if(!NCxdr_shortsb(xdrs, sp, NC_NSHRTS_PER))
return FALSE ;
/* else */
sp += NC_NSHRTS_PER ;
cnt -= NC_NSHRTS_PER ;
}
/* we know cnt <= NC_NSHRTS_PER at this point */
if(cnt != 0)
{
if(!NCxdr_shortsb(xdrs, sp, cnt))
return FALSE ;
/* else */
sp += cnt ;
cnt = 0 ;
}
if(odd)
if(!xdr_NCvshort(xdrs, 0, sp))
return FALSE ;
return TRUE ;
}
/*
* Use standard xdr interface (plus the netcdf xdr_shorts())
* to encode data to 'buf'
* Returns 0 on success.
*/
static int
xdr_encode(char *buf, u_int sz)
{
XDR xdrs[1];
u_int pos;
int ii;
xdrmem_create(xdrs, buf, sz, XDR_ENCODE);
if(!xdr_opaque(xdrs, (caddr_t)text, (u_int)sizeof(text)))
return 1;
if(!xdr_opaque(xdrs, (caddr_t)schars, (u_int)sizeof(schars)))
return 2;
if(!xdr_shorts(xdrs, shorts, uiArraySize(shorts)))
return 3;
if(!xdr_vector(xdrs, (char *)ints,
uiArraySize(ints), eSizeOf(ints),
(xdrproc_t)xdr_int))
return 4;
/* double the ints to check both ncx_ interfaces */
if(!xdr_vector(xdrs, (char *)ints,
uiArraySize(ints), eSizeOf(ints),
(xdrproc_t)xdr_int))
return 5;
#ifndef NO_UNSIGNED
if(!xdr_vector(xdrs, (char *)u_ints,
uiArraySize(u_ints), eSizeOf(u_ints),
(xdrproc_t)xdr_u_int))
return 6;
#endif
if(!xdr_vector(xdrs, (char *)longs,
uiArraySize(longs), eSizeOf(longs),
(xdrproc_t)xdr_long))
return 7;
#ifndef NO_UNSIGNED_LONG
if(!xdr_vector(xdrs, (char *)u_longs,
uiArraySize(u_longs), eSizeOf(u_longs),
(xdrproc_t)xdr_u_long))
return 9;
#endif
if(!xdr_vector(xdrs, (char *)floats,
uiArraySize(floats), eSizeOf(floats),
(xdrproc_t)xdr_float))
return 10;
if(!xdr_vector(xdrs, (char *)doubles,
uiArraySize(doubles), eSizeOf(doubles),
(xdrproc_t)xdr_double))
return 11;
/* mix it up */
for(ii = 1; ii < 5; ii++)
{
if(
!xdr_opaque(xdrs, (caddr_t)text, ii)
|| !xdr_shorts(xdrs, shorts, ii)
|| !xdr_opaque(xdrs, (caddr_t)schars, ii)
)
return (11 + ii);
}
/*
* Test non-aligned unit ops used by netcdf.
*/
for(ii = 1; ii < 5; ii++)
{
pos = xdr_getpos(xdrs);
if(!xdr_NCvbyte(xdrs, ii, BYTES_PER_XDR_UNIT -ii, &text[ii]))
return (15 + ii);
if(!xdr_setpos(xdrs, pos + BYTES_PER_XDR_UNIT))
return (15 + ii);
}
for(ii = 1; ii < 5; ii++)
{
pos = xdr_getpos(xdrs);
if(!xdr_NCvbyte(xdrs, ii, BYTES_PER_XDR_UNIT -ii,
(char *)&schars[ii]))
return (19 + ii);
if(!xdr_setpos(xdrs, pos + BYTES_PER_XDR_UNIT))
return (18 + ii);
}
for(ii = 1; ii < 3; ii++)
{
pos = xdr_getpos(xdrs);
if(!xdr_NCvshort(xdrs, ii%2, &shorts[ii]))
return (23 + ii);
if(!xdr_setpos(xdrs, pos + BYTES_PER_XDR_UNIT))
return (23 + ii);
}
pos = xdr_getpos(xdrs);
(void) printf("xdr_encode ends at byte %u\n", pos);
return 0;
}
static int
cmp_chars(const char *c1, const char *c2, size_t nchars)
{
int status = 0;
const char *const end = c1 + nchars;
while(c1 < end)
{
if(*c1 != *c2)
{
(void) fprintf(stderr,
"%c != %c char\n",
*c1,
*c2);
if(status == 0)
status = *c2 < *c1 ? -1 : 1;
}
c1++, c2++;
}
return status;
}
static int
cmp_schars(const schar *b1, const schar *b2, size_t nbytes)
{
int status = 0;
const schar *const end = b1 + nbytes;
while(b1 < end)
{
if(*b1 != *b2)
{
(void) fprintf(stderr,
"0x%02x != 0x%02x byte\n",
(unsigned)(*b1),
(unsigned)(*b2));
if(status == 0)
status = *b2 < *b1 ? -1 : 1;
}
b1++, b2++;
}
return status;
}
static int
cmp_shorts(const short *s1, const short *s2, size_t nshorts)
{
int status = 0;
const short *const end = s1 + nshorts;
while(s1 < end)
{
if(*s1 != *s2)
{
(void) fprintf(stderr,
"0x%04x != 0x%04x (%hd) short\n",
(unsigned)(*s1),
(unsigned)(*s2), *s2);
if(status == 0)
status = *s2 < *s1 ? -1 : 1;
}
s1++, s2++;
}
return status;
}
static int
cmp_ints(const int *i1, const int *i2, size_t nints)
{
int status = 0;
const int *const end = i1 + nints;
while(i1 < end)
{
if(*i1 != *i2)
{
(void) fprintf(stderr,
"0x%08x != 0x%08x int\n",
(unsigned)(*i1),
(unsigned)(*i2));
if(status == 0)
status = *i2 < *i1 ? -1 : 1;
}
i1++, i2++;
}
return status;
}
#ifndef NO_UNSIGNED
static int
cmp_u_ints(const unsigned int *i1, const unsigned int *i2, size_t nints)
{
int status = 0;
const unsigned int *const end = i1 + nints;
while(i1 < end)
{
if(*i1 != *i2)
{
(void) fprintf(stderr,
"(%u) 0x%08x != 0x%08x (%u) uint\n",
*i1, *i1,
*i2, *i2);
if(status == 0)
status = *i2 < *i1 ? -1 : 1;
}
i1++, i2++;
}
return status;
}
#endif
static int
cmp_longs(const long *l1, const long *l2, size_t nlongs)
{
int status = 0;
const long *const end = l1 + nlongs;
while(l1 < end)
{
if(*l1 != *l2)
{
(void) fprintf(stderr,
"0x%016lx != 0x%016lx long\n",
(unsigned long)(*l1),
(unsigned long)(*l2));
if(status == 0)
status = *l2 < *l1 ? -1 : 1;
}
l1++, l2++;
}
return status;
}
#ifndef NO_UNSIGNED_LONG
static int
cmp_u_longs(const unsigned long *l1, const unsigned long *l2, size_t nlongs)
{
int status = 0;
const unsigned long *const end = l1 + nlongs;
while(l1 < end)
{
if(*l1 != *l2)
{
(void) fprintf(stderr,
"0x%016lx != 0x%016lx ulong\n",
*l1,
*l2);
if(status == 0)
status = *l2 < *l1 ? -1 : 1;
}
l1++, l2++;
}
return status;
}
#endif
static int
cmp_floats(const float *f1, const float *f2, size_t nfloats)
{
#define F_EPS 1.0e-6
int status = 0;
const float *const end = f1 + nfloats;
while(f1 < end)
{
if(*f1 < *f2 && *f2 - *f1 > F_EPS)
{
(void) fprintf(stderr,
"%.9e != %.9e float (diff %.9e)\n",
*f1, *f2, *f1 - *f2);
if(status == 0)
status = 1;
}
else if( *f2 < *f1 && *f1 - *f2 > F_EPS)
{
(void) fprintf(stderr,
"%.9e != %.9e float (diff %.9e)\n",
*f1, *f2, *f1 - *f2);
if(status == 0)
status = -1;
}
f1++, f2++;
}
return status;
}
static int
cmp_doubles(const double *d1, const double *d2, size_t ndoubles)
{
#define D_EPS 1.0e-15
int status = 0;
const double *const end = d1 + ndoubles;
while(d1 < end)
{
if(*d1 < *d2 && *d2 - *d1 > D_EPS)
{
(void) fprintf(stderr,
"%.17e != %.17e double (diff %.17e)\n",
*d1, *d2, *d1 - *d2);
if(status == 0)
status = 1;
}
else if( *d2 < *d1 && *d1 - *d2 > D_EPS)
{
(void) fprintf(stderr,
"%.17e != %.17e double (diff %.17e)\n",
*d1, *d2, *d1 - *d2);
if(status == 0)
status = -1;
}
d1++, d2++;
}
return status;
}
/*
* Verify that data in buf is as encoded
* by xdr_encode() above.
* Returns zero on sucess.
*/
static int
xdr_check(char *buf, u_int sz)
{
XDR xdrs[1];
char tbuf[XBSZ];
u_int pos;
int ii;
int jj;
xdrmem_create(xdrs, buf, sz, XDR_DECODE);
(void) memset(tbuf, 0, sizeof(text)+4);
if(!xdr_opaque(xdrs, (caddr_t)tbuf, (u_int)sizeof(text))
|| cmp_chars(tbuf, text,
sizeof(text)) != 0)
return 1;
(void) memset(tbuf, 0, sizeof(schars)+4);
if(!xdr_opaque(xdrs, (caddr_t)tbuf, (u_int)sizeof(schars))
|| cmp_schars((schar *)tbuf, schars,
sizeof(schars)) != 0)
return 2;
(void) memset(tbuf, 0, sizeof(shorts)+4);
if(!xdr_shorts(xdrs, (short *)tbuf, uiArraySize(shorts))
|| cmp_shorts((short *)tbuf, shorts,
ArraySize(shorts)) != 0)
return 3;
(void) memset(tbuf, 0, sizeof(ints)+4);
if(!xdr_vector(xdrs, tbuf,
uiArraySize(ints), eSizeOf(ints),
(xdrproc_t)xdr_int)
|| cmp_ints((int *)tbuf, ints,
ArraySize(ints)) != 0)
return 4;
/* double the ints to check both ncx_ interfaces */
(void) memset(tbuf, 0, sizeof(ints)+4);
if(!xdr_vector(xdrs, tbuf,
uiArraySize(ints), eSizeOf(ints),
(xdrproc_t)xdr_int)
|| cmp_ints((int *)tbuf, ints,
ArraySize(ints)) != 0)
return 5;
#ifndef NO_UNSIGNED
(void) memset(tbuf, 0, sizeof(u_ints)+4);
if(!xdr_vector(xdrs, tbuf,
uiArraySize(u_ints), eSizeOf(u_ints),
(xdrproc_t)xdr_u_int)
|| cmp_u_ints((unsigned int *)tbuf, u_ints,
ArraySize(u_ints)) != 0)
return 6;
#endif
(void) memset(tbuf, 0, sizeof(longs)+4);
if(!xdr_vector(xdrs, tbuf,
uiArraySize(longs), eSizeOf(longs), (xdrproc_t)xdr_long)
|| cmp_longs((long *)tbuf, longs,
ArraySize(longs)) != 0)
return 7;
#ifndef NO_UNSIGNED_LONG
(void) memset(tbuf, 0, sizeof(u_longs)+4);
if(!xdr_vector(xdrs, tbuf,
uiArraySize(u_longs), eSizeOf(u_longs), (xdrproc_t)xdr_u_long)
|| cmp_u_longs((unsigned long *)tbuf, u_longs,
ArraySize(u_longs)) != 0)
return 9;
#endif
(void) memset(tbuf, 0, sizeof(floats)+4);
if(!xdr_vector(xdrs, tbuf,
uiArraySize(floats), eSizeOf(floats), (xdrproc_t)xdr_float)
|| cmp_floats((float *)tbuf, floats,
ArraySize(floats)) != 0)
return 10;
(void) memset(tbuf, 0, sizeof(doubles)+4);
if(!xdr_vector(xdrs, tbuf,
uiArraySize(doubles), eSizeOf(doubles), (xdrproc_t)xdr_double)
|| cmp_doubles((double *)tbuf, doubles,
ArraySize(doubles)) != 0)
return 11;
for(ii = 1; ii < 5; ii++)
{
char tx[4];
short sh[4];
schar by[4];
if(
!xdr_opaque(xdrs, (caddr_t)tx, ii)
|| !xdr_shorts(xdrs, sh, ii)
|| !xdr_opaque(xdrs, (caddr_t)by, ii)
)
return (11 + ii);
for(jj = 0; jj < ii; jj++)
{
if(tx[jj] != text[jj])
{
(void) fprintf(stderr, "\txdr %c != %c text[%d]\n",
tx[jj], text[jj], jj);
return (11 + ii);
}
/* else */
if(sh[jj] != shorts[jj])
{
(void) fprintf(stderr, "\txdr %hd != %hd shorts[%d]\n",
sh[jj], shorts[jj], jj);
return (11 + ii);
}
/* else */
if(by[jj] != schars[jj])
{
(void) fprintf(stderr,
"\txdr 0x%02x != 0x%02x schars[%d]\n",
(unsigned) by[jj],
(unsigned) schars[jj], jj);
return (11 + ii);
}
/* else */
}
}
/*
* Test non-aligned unit ops used by netcdf.
*/
for(ii = 1; ii < 5; ii++)
{
pos = xdr_getpos(xdrs);
(void) memset(tbuf, 0, BYTES_PER_XDR_UNIT);
if(!xdr_NCvbyte(xdrs, ii, BYTES_PER_XDR_UNIT -ii, tbuf)
|| cmp_chars(&text[ii], tbuf,
BYTES_PER_XDR_UNIT -ii) != 0)
return (15 + ii);
if(!xdr_setpos(xdrs, pos + BYTES_PER_XDR_UNIT))
return (15 + ii);
}
for(ii = 1; ii < 5; ii++)
{
pos = xdr_getpos(xdrs);
(void) memset(tbuf, 0, BYTES_PER_XDR_UNIT);
if(!xdr_NCvbyte(xdrs, ii, BYTES_PER_XDR_UNIT -ii, tbuf)
|| cmp_schars((schar *)tbuf, &schars[ii],
BYTES_PER_XDR_UNIT -ii) != 0)
return (19 + ii);
if(!xdr_setpos(xdrs, pos + BYTES_PER_XDR_UNIT))
return (19 + ii);
}
for(ii = 1; ii < 3; ii++)
{
pos = xdr_getpos(xdrs);
(void) memset(tbuf, 0, BYTES_PER_XDR_UNIT);
if(!xdr_NCvshort(xdrs, ii%2, (short *)tbuf)
|| cmp_shorts((short *)tbuf, &shorts[ii], 1))
return (23 + ii);
if(!xdr_setpos(xdrs, pos + BYTES_PER_XDR_UNIT))
return (23 + ii);
}
pos = xdr_getpos(xdrs);
(void) printf("xdr_check ends at byte %u\n", pos);
return 0;
}
/* Poor man's template */
#define NCX_VEC(xpp, nn, vecp, TYPE, proc, step) \
{ \
\
size_t nelems = (nn); \
TYPE *elemp = (vecp); \
\
while(nelems != 0) \
{ \
status = (proc)((*(xpp)), elemp); \
if(status != ENOERR) \
break; \
(*(xpp)) = (void *)((char *)(*(xpp)) + (step)); \
elemp ++; \
nelems--; \
} \
}
/*
* Use ncx interface
* to encode data to 'buf'
* Returns zero on success.
*/
static int
ncx_encode(char *buf)
{
int status = ENOERR;
void *vp = buf;
int ii;
if(ncx_pad_putn_text(&vp, sizeof(text), text))
return 1;
if(ncx_pad_putn_schar_schar(&vp, sizeof(schars), schars))
return 2;
if(ncx_pad_putn_short_short(&vp, ArraySize(shorts), shorts))
return 3;
if(ncx_putn_int_int(&vp, ArraySize(ints), ints))
return 4;
NCX_VEC(&vp, ArraySize(ints), ints,
int, ncx_put_int_int, X_SIZEOF_INT);
if(status != ENOERR)
return 5;
#ifndef NO_UNSIGNED
NCX_VEC(&vp, ArraySize(u_ints), u_ints,
unsigned int, ncx_put_uint_uint, X_SIZEOF_INT);
if(status != ENOERR)
return 6;
#endif
if(ncx_putn_int_long(&vp, ArraySize(longs), longs))
return 7;
#ifndef NO_UNSIGNED_LONG
NCX_VEC(&vp, ArraySize(u_longs), u_longs,
unsigned long, ncx_put_ulong_ulong, X_SIZEOF_LONG);
if(status != ENOERR)
return 9;
#endif
if(ncx_putn_float_float(&vp, ArraySize(floats), floats))
return 10;
if(ncx_putn_double_double(&vp, ArraySize(doubles), doubles))
return 11;
/* mix it up */
for(ii = 1; ii < 5; ii++)
{
if(
ncx_pad_putn_text(&vp, ii, text)
|| ncx_pad_putn_short_short(&vp, ii, shorts)
|| ncx_pad_putn_schar_schar(&vp, ii, schars)
)
return (11 + ii);
}
/*
* Test non-aligned unit ops used by netcdf.
*/
for(ii = 1; ii < 5; ii++)
{
vp = (char *)vp + ii;
if(ncx_putn_text(&vp, X_ALIGN - ii, &text[ii]))
return (15 + ii);
}
for(ii = 1; ii < 5; ii++)
{
vp = (char *)vp + ii;
if(ncx_putn_schar_schar(&vp, X_ALIGN - ii, &schars[ii]))
return (19 + ii);
}
for(ii = 1; ii < 3; ii++)
{
char *pos = vp;
vp = (char *)vp + (ii%2) * 2;
if(ncx_putn_short_short(&vp, 1, &shorts[ii]))
return (23 + ii);
vp = pos + X_ALIGN;
}
(void) printf("ncx_encode ends at byte %u\n",
(unsigned)(((char *)vp) - buf));
return 0;
}
/*
* Verify the ncx_getn_xxx() routines.
* Returns zero on success.
*/
static int
ncx_check(char *buf)
{
int status = ENOERR;
const void *vp = buf;
char tbuf[XBSZ];
int ii;
int jj;
(void) memset(tbuf, 0, sizeof(text)+4);
if(ncx_pad_getn_text(&vp, sizeof(text), tbuf)
|| cmp_chars(tbuf, text,
sizeof(text)) != 0)
return 1;
(void) memset(tbuf, 0, sizeof(schars)+4);
if(ncx_pad_getn_schar_schar(&vp, sizeof(schars), (schar *)tbuf)
|| cmp_schars((schar *)tbuf, schars,
sizeof(schars)) != 0)
return 2;
(void) memset(tbuf, 0, sizeof(shorts)+4);
if(ncx_pad_getn_short_short(&vp, ArraySize(shorts), (short *)tbuf)
|| cmp_shorts((short *)tbuf, shorts,
ArraySize(shorts)) != 0)
return 3;
(void) memset(tbuf, 0, sizeof(ints)+4);
if(ncx_getn_int_int(&vp, ArraySize(ints), (int *)tbuf)
|| cmp_ints((int *)tbuf, ints,
ArraySize(ints)) != 0)
return 4;
(void) memset(tbuf, 0, sizeof(ints)+4);
NCX_VEC(&vp, ArraySize(ints), (int *)tbuf,
int, ncx_get_int_int, X_SIZEOF_INT);
if(status != ENOERR
|| cmp_ints((int *)tbuf, ints,
ArraySize(ints)) != 0)
return 5;
#ifndef NO_UNSIGNED
(void) memset(tbuf, 0, sizeof(u_ints)+4);
NCX_VEC(&vp, ArraySize(u_ints), (unsigned int *)tbuf,
unsigned, ncx_get_uint_uint, X_SIZEOF_INT);
if(status != ENOERR
|| cmp_u_ints((unsigned int *)tbuf, u_ints,
ArraySize(u_ints)) != 0)
return 6;
#endif
(void) memset(tbuf, 0, sizeof(longs)+4);
if(ncx_getn_int_long(&vp, ArraySize(longs), (long *)tbuf)
|| cmp_longs((long *)tbuf, longs,
ArraySize(longs)) != 0)
return 7;
#ifndef NO_UNSIGNED_LONG
(void) memset(tbuf, 0, sizeof(u_longs)+4);
NCX_VEC(&vp, ArraySize(u_longs), (unsigned long *)tbuf,
unsigned long, ncx_get_ulong_ulong, X_SIZEOF_LONG);
if(status != ENOERR
|| cmp_u_longs((unsigned long *)tbuf, u_longs,
ArraySize(u_longs)) != 0)
return 9;
#endif
(void) memset(tbuf, 0, sizeof(floats)+4);
if(ncx_getn_float_float(&vp, ArraySize(floats), (float *)tbuf)
|| cmp_floats((float *)tbuf, floats,
ArraySize(floats)) != 0)
return 10;
(void) memset(tbuf, 0, sizeof(doubles)+4);
if(ncx_getn_double_double(&vp, ArraySize(doubles), (double *)tbuf)
|| cmp_doubles((double *)tbuf, doubles,
ArraySize(doubles)) != 0)
return 11;
for(ii = 1; ii < 5; ii++)
{
char tx[4];
short sh[4];
schar by[4];
if(
ncx_pad_getn_text(&vp, ii, tx)
|| ncx_pad_getn_short_short(&vp, ii, sh)
|| ncx_pad_getn_schar_schar(&vp, ii, by)
)
return (11 + ii);
for(jj = 0; jj < ii; jj++)
{
if(tx[jj] != text[jj])
{
(void) fprintf(stderr,
"\tncx %c != %c text[%d]\n",
tx[jj], text[jj], jj);
return (11 + ii);
}
/* else */
if(sh[jj] != shorts[jj])
{
(void) fprintf(stderr,
"\tncx %hd != %hd shorts[%d]\n",
sh[jj], shorts[jj], jj);
return (11 + ii);
}
/* else */
if((unsigned)by[jj] != (unsigned)schars[jj])
{
(void) fprintf(stderr,
"\tncx 0x%02x != 0x%02x schars[%d] %d\n",
by[jj], schars[jj], jj, ii);
return (11 + ii);
}
}
}
/*
* Test non-aligned unit ops used by netcdf.
*/
for(ii = 1; ii < 5; ii++)
{
(void) memset(tbuf, 0, X_ALIGN);
vp = (char *)vp + ii;
if(ncx_getn_text(&vp, X_ALIGN -ii, tbuf)
|| cmp_chars(tbuf, &text[ii],
X_ALIGN -ii) != 0)
return (15 + ii);
}
for(ii = 1; ii < 5; ii++)
{
(void) memset(tbuf, 0, X_ALIGN);
vp = (char *)vp + ii;
if(ncx_getn_schar_schar(&vp, X_ALIGN -ii, (schar *)tbuf)
|| cmp_schars((schar *)tbuf, &schars[ii],
X_ALIGN -ii) != 0)
return (19 + ii);
}
for(ii = 1; ii < 3; ii++)
{
const char *pos = vp;
(void) memset(tbuf, 0, X_ALIGN);
vp = (char *)vp + (ii%2) *2;
if(ncx_getn_short_short(&vp, 1, (short *)tbuf)
|| cmp_shorts((short *)tbuf, &shorts[ii],
1) != 0)
return (23 + ii);
vp = pos + X_ALIGN;
}
(void) printf("ncx_check ends at byte %u\n",
(unsigned)(((char *)vp) - buf));
return 0;
}
int
main(int ac, char *av[])
{
int status;
status = xdr_encode(xdrb, sizeof(xdrb));
if(status)
{
(void) fprintf(stderr,
"xdr_encode failed %d\n", status);
return 1;
}
status = xdr_check(xdrb, sizeof(xdrb));
if(status)
{
(void) fprintf(stderr,
"xdr_check of xdrb failed %d\n", status);
return 1;
}
status = ncx_encode(ncxb);
if(status)
{
(void) fprintf(stderr,
"ncx_encode failed %d\n", status);
return 1;
}
/* cross check */
status = xdr_check(ncxb, sizeof(ncxb));
if(status)
{
(void) fprintf(stderr,
"xdr_check of ncxb failed %d\n", status);
return 1;
}
status = ncx_check(xdrb);
if(status)
{
(void) fprintf(stderr,
"ncx_check of xdrb failed %d\n", status);
return 1;
}
status = ncx_check(ncxb);
if(status)
{
(void) fprintf(stderr,
"ncx_check of ncxb failed %d\n", status);
return 1;
}
return 0;
}
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