mirror of
https://github.com/Unidata/netcdf-c.git
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144 lines
3.2 KiB
C
144 lines
3.2 KiB
C
/*
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Copyright (c) 1998-2018 University Corporation for Atmospheric Research/Unidata
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See LICENSE.txt for license information.
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*/
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#include "config.h"
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#include "ncdispatch.h"
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#include "ncuri.h"
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#include "nclog.h"
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#include "ncbytes.h"
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#include "ncrc.h"
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#include "ncoffsets.h"
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/* Required for getcwd, other functions. */
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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/* Required for getcwd, other functions. */
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#ifdef _MSC_VER
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#include <direct.h>
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#define getcwd _getcwd
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#endif
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#if defined(ENABLE_BYTERANGE) || defined(ENABLE_DAP) || defined(ENABLE_DAP4)
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#include <curl/curl.h>
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#endif
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/* Define vectors of zeros and ones for use with various nc_get_varX functions */
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size_t NC_coord_zero[NC_MAX_VAR_DIMS] = {0};
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size_t NC_coord_one[NC_MAX_VAR_DIMS] = {1};
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ptrdiff_t NC_stride_one[NC_MAX_VAR_DIMS] = {1};
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NCRCglobalstate ncrc_globalstate;
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/*
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static nc_type longtype = (sizeof(long) == sizeof(int)?NC_INT:NC_INT64);
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static nc_type ulongtype = (sizeof(unsigned long) == sizeof(unsigned int)?NC_UINT:NC_UINT64);
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*/
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/* Allow dispatch to do general initialization and finalization */
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int
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NCDISPATCH_initialize(void)
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{
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int status = NC_NOERR;
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int i;
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NCRCglobalstate* globalstate = NULL;
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for(i=0;i<NC_MAX_VAR_DIMS;i++) {
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NC_coord_zero[i] = 0;
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NC_coord_one[i] = 1;
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NC_stride_one[i] = 1;
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}
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globalstate = ncrc_getglobalstate(); /* will allocate and clear */
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/* Capture temp dir*/
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{
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char* tempdir;
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char* p;
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char* q;
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char cwd[4096];
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#ifdef _MSC_VER
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tempdir = getenv("TEMP");
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#else
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tempdir = "/tmp";
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#endif
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if(tempdir == NULL) {
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fprintf(stderr,"Cannot find a temp dir; using ./\n");
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tempdir = getcwd(cwd,sizeof(cwd));
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if(tempdir == NULL || *tempdir == '\0') tempdir = ".";
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}
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globalstate->tempdir= (char*)malloc(strlen(tempdir) + 1);
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for(p=tempdir,q=globalstate->tempdir;*p;p++,q++) {
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if((*p == '/' && *(p+1) == '/')
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|| (*p == '\\' && *(p+1) == '\\')) {p++;}
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*q = *p;
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}
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*q = '\0';
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#ifdef _MSC_VER
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#else
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/* Canonicalize */
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for(p=globalstate->tempdir;*p;p++) {
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if(*p == '\\') {*p = '/'; };
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}
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*q = '\0';
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#endif
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}
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/* Capture $HOME */
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{
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char* p;
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char* q;
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char* home = getenv("HOME");
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if(home == NULL) {
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/* use tempdir */
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home = globalstate->tempdir;
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}
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globalstate->home = (char*)malloc(strlen(home) + 1);
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for(p=home,q=globalstate->home;*p;p++,q++) {
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if((*p == '/' && *(p+1) == '/')
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|| (*p == '\\' && *(p+1) == '\\')) {p++;}
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*q = *p;
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}
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*q = '\0';
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#ifdef _MSC_VER
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#else
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/* Canonicalize */
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for(p=home;*p;p++) {
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if(*p == '\\') {*p = '/'; };
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}
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#endif
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}
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/* Now load RC File */
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status = NC_rcload();
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ncloginit();
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/* Compute type alignments */
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NC_compute_alignments();
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/* Initialize curl if it is being used */
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#if defined(ENABLE_BYTERANGE) || defined(ENABLE_DAP) || defined(ENABLE_DAP4)
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{
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CURLcode cstat = curl_global_init(CURL_GLOBAL_ALL);
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if(cstat != CURLE_OK)
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status = NC_ECURL;
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}
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#endif
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return status;
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}
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int
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NCDISPATCH_finalize(void)
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{
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int status = NC_NOERR;
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ncrc_freeglobalstate();
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#if defined(ENABLE_BYTERANGE) || defined(ENABLE_DAP) || defined(ENABLE_DAP4)
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curl_global_cleanup();
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#endif
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return status;
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}
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