netcdf-c/ncgen/genlib.c
Dennis Heimbigner 68a98f6e81 Fix ncgen handling of big data sections
The current ncgen does not properly handle very large
data sections. Apparently this is very uncommon because
it was only discovered in testing the new zarr code.

The fix required a new approach to processing data sections.
Unfortunately, the resulting ncgen is slower than before
but at least it is, I think, now correct.

The added test cases are in libnczarr, and so will
not show up until that is incorporated into master.

Note also that fortran code generation changed, but
has not been tested here.

Misc. Changes
1. Cleanup error handling in ncgen -lc and -lb output
2. Cleanup Makefiles for ncgen to remove unused code
3. Added a program, ncgen/ncdumpchunks, to print
   the data for a .nc file on a per-chunk format.
4. Made the XGetOpt change in PR https://github.com/Unidata/netcdf-c/pull/1694
   for ncdump/ncvalidator
2020-05-14 11:20:46 -06:00

159 lines
3.5 KiB
C

/*********************************************************************
* Copyright 2018, UCAR/Unidata
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
* $Header: /upc/share/CVS/netcdf-3/ncgen/genlib.c,v 1.57 2010/04/04 19:39:47 dmh Exp $
*********************************************************************/
#include "includes.h"
/* invoke netcdf calls (or generate C or Fortran code) to create netcdf
* from in-memory structure.
*/
void
define_netcdf(void)
{
/* Execute exactly one of these */
#ifdef ENABLE_C
if (l_flag == L_C) genc_netcdf(); else /* create C code to create netcdf */
#endif
#ifdef ENABLE_F77
if (l_flag == L_F77) genf77_netcdf(); else /* create Fortran code */
#endif
#ifdef ENABLE_JAVA
if(l_flag == L_JAVA) genjava_netcdf(); else
#endif
/* Binary is the default */
#ifdef ENABLE_BINARY
genbin_netcdf(); /* create netcdf */
#else
derror("No language specified");
#endif
close_netcdf();
cleanup();
}
void
close_netcdf(void)
{
#ifdef ENABLE_C
if (l_flag == L_C) genc_close(); else /* create C code to close netcdf */
#endif
#ifdef ENABLE_F77
if (l_flag == L_F77) genf77_close(); else
#endif
#ifdef ENABLE_JAVA
if (l_flag == L_JAVA) genjava_close(); else
#endif
#ifdef ENABLE_BINARY
if (l_flag == L_BINARY) genbin_close();
#endif
}
/**
Return a string representing
the fully qualified name of the symbol.
Symbol must be top level
Caller must free.
*/
void
topfqn(Symbol* sym)
{
#ifdef USE_NETCDF4
char* fqn;
char* fqnname;
char* parentfqn;
Symbol* parent;
#endif
if(sym->fqn != NULL)
return; /* already defined */
#ifdef USE_NETCDF4
if(!usingclassic) {
parent = sym->container;
/* Recursively compute parent fqn */
if(parent == NULL) { /* implies this is the rootgroup */
assert(sym->grp.is_root);
sym->fqn = estrdup("");
return;
} else if(parent->fqn == NULL) {
topfqn(parent);
}
parentfqn = parent->fqn;
fqnname = fqnescape(sym->name);
fqn = (char*)ecalloc(strlen(fqnname) + strlen(parentfqn) + 1 + 1);
strcpy(fqn,parentfqn);
strcat(fqn,"/");
strcat(fqn,fqnname);
sym->fqn = fqn;
} else
#endif /*USE_NETCDF4*/
{
sym->fqn = strdup(sym->name);
}
}
/**
Return a string representing
the fully qualified name of a nested symbol
(i.e. field or econst).
Caller must free.
*/
void
nestedfqn(Symbol* sym)
{
char* fqn;
char* fqnname;
Symbol* parent;
if(sym->fqn != NULL)
return; /* already defined */
/* Parent must be a type */
parent = sym->container;
assert (parent->objectclass == NC_TYPE);
assert(parent->fqn != NULL);
fqnname = fqnescape(sym->name);
fqn = (char*)ecalloc(strlen(fqnname) + strlen(parent->fqn) + 1 + 1);
strcpy(fqn,parent->fqn);
strcat(fqn,".");
strcat(fqn,fqnname);
sym->fqn = fqn;
}
/**
Return a string representing
the fully qualified name of an attribute.
Caller must free.
*/
void
attfqn(Symbol* sym)
{
char* fqn;
char* fqnname;
char* parentfqn;
Symbol* parent;
if(sym->fqn != NULL)
return; /* already defined */
assert (sym->objectclass == NC_ATT);
parent = sym->container;
if(parent == NULL)
parentfqn = "";
else
parentfqn = parent->fqn;
fqnname = fqnescape(sym->name);
fqn = (char*)ecalloc(strlen(fqnname) + strlen(parentfqn) + 1 + 1);
strcpy(fqn,parentfqn);
strcat(fqn,"_");
strcat(fqn,fqnname);
sym->fqn = fqn;
}