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/*
* Copyright 2018, University Corporation for Atmospheric Research
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef _WIN32
#include <windows.h>
#include <fcntl.h>
#endif
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#if defined(_WIN32) && !defined(__MINGW32__)
#include "XGetopt.h"
#else
#include <getopt.h>
#endif
#include "netcdf.h"
#include "netcdf_filter.h"
#include "netcdf_aux.h"
#include "ncplugins.h"
extern int NCstdbinary(void);
static const char* USAGE =
"ncpluginpath [-f global|hdf5|nczarr][-h][-n]"
"Options\n"
" -f which plugin path to print.\n"
" global - print the global plugin path\n"
" hdf5 - print the hdf5 plugin path\n"
" nczarr - print the nczarr plugin path\n"
" If -f is not specified, then it defaults to 'global'\n"
" -h print the usage message\n"
" -n print the length of the current internal plugin path list\n"
"\n"
;
#undef DEBUG
static void usage(const char* msg);
static void
usage(const char* msg)
{
if(msg != NULL) fprintf(stderr,"%s\n",msg);
fprintf(stderr,"%s",USAGE);
if(msg == NULL) exit(0); else exit(1);
}
static int
getformatx(const char* sformat)
{
if(sformat != NULL && strlen(sformat) > 0) {
if(strcmp(sformat,"global")==0) return NC_FORMATX_UNDEFINED;
if(strcmp(sformat,"hdf5")==0) return NC_FORMATX_NC_HDF5;
if(strcmp(sformat,"nczarr")==0) return NC_FORMATX_NCZARR;
}
return NC_FORMATX_UNDEFINED;
}
#if 0
static const char*
getsource(int formatx)
{
switch (formatx) {
case NC_FORMATX_NC_HDF5: return "hdf5";
case NC_FORMATX_NCZARR: return "nczarr";
default: break;
}
return "global";
}
#endif
static int
getfrom(int formatx, char** textp)
{
int stat = NC_NOERR;
NCPluginList dirs = {0,NULL};
char* text = NULL;
/* Get a plugin path */
switch (formatx) {
case 0: /* Global */
if((stat=nc_plugin_path_get(&dirs))) goto done;
break;
#ifdef NETCDF_ENABLE_NCZARR_FILTERS
case NC_FORMATX_NCZARR:
if((stat=NCZ_plugin_path_get(&dirs))) goto done;
break;
#endif
#ifdef USE_HDF5
case NC_FORMATX_NC_HDF5:
if((stat=NC4_hdf5_plugin_path_get(&dirs))) goto done;
break;
#endif
default: abort();
}
if((stat = ncaux_plugin_path_tostring(&dirs,';',&text))) goto done;
*textp = text; text = NULL;
done:
if(text != NULL) free(text);
ncaux_plugin_path_clear(&dirs);
return stat;
}
int
main(int argc, char** argv)
{
int stat = NC_NOERR;
int c;
int formatx = NC_FORMATX_UNDEFINED;
char* text = NULL;
int ndirsflag = 0;
NCstdbinary(); /* avoid \r\n on windows */
nc_initialize();
while ((c = getopt(argc, argv, "f:hn")) != EOF) {
switch(c) {
case 'f':
formatx = getformatx(optarg);
break;
case 'n':
ndirsflag = 1;
break;
case '?':
usage("unknown option");
break;
}
}
if(ndirsflag) {
size_t ndirs = 0;
char sndirs[64];
if((stat = nc_plugin_path_ndirs(&ndirs))) goto done;
snprintf(sndirs,sizeof(sndirs),"%zu",ndirs);
text = strdup(sndirs);
} else {
if((stat = getfrom(formatx,&text))) goto done;
}
printf("%s",text); /* suppress trailing eol */
done:
if(text != NULL) free(text);
nc_finalize();
return (stat?1:0);
}
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