mirror of https://github.com/ecmwf/eccodes.git
101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
/*
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* Copyright 2005-2018 ECMWF.
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*
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* This software is licensed under the terms of the Apache Licence Version 2.0
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* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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*
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* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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*/
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/***************************************************************************
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*
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* Enrico Fucile
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*
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***************************************************************************/
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#include "grib_api_internal.h"
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grib_vsarray* grib_vsarray_new(grib_context* c,size_t size,size_t incsize)
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{
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grib_vsarray* v=NULL;
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if (!c) c=grib_context_get_default();
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v=(grib_vsarray*)grib_context_malloc_clear(c,sizeof(grib_vsarray));
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if (!v) {
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grib_context_log(c,GRIB_LOG_ERROR,
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"grib_vsarray_new unable to allocate %d bytes\n",sizeof(grib_vsarray));
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return NULL;
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}
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v->size=size;
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v->n=0;
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v->incsize=incsize;
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v->v=(grib_sarray**)grib_context_malloc_clear(c,sizeof(grib_sarray*)*size);
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if (!v->v) {
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grib_context_log(c,GRIB_LOG_ERROR,
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"grib_vsarray_new unable to allocate %d bytes\n",sizeof(grib_sarray*)*size);
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return NULL;
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}
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return v;
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}
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grib_vsarray* grib_vsarray_resize(grib_context* c,grib_vsarray* v)
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{
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int newsize=v->incsize+v->size;
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if (!c) c=grib_context_get_default();
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v->v=(grib_sarray**)grib_context_realloc(c,v->v,newsize*sizeof(grib_sarray*));
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v->size=newsize;
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if (!v->v) {
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grib_context_log(c,GRIB_LOG_ERROR,
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"grib_vsarray_resize unable to allocate %d bytes\n",sizeof(grib_sarray*)*newsize);
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return NULL;
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}
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return v;
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}
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grib_vsarray* grib_vsarray_push(grib_context* c,grib_vsarray* v,grib_sarray* val)
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{
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size_t start_size=100;
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size_t start_incsize=100;
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if (!v) v=grib_vsarray_new(c,start_size,start_incsize);
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if (v->n >= v->size) v=grib_vsarray_resize(c,v);
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v->v[v->n]=val;
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v->n++;
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return v;
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}
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void grib_vsarray_delete(grib_context* c,grib_vsarray* v)
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{
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if (!v) return;
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if (!c) grib_context_get_default();
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if (v->v) grib_context_free(c,v->v);
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grib_context_free(c,v);
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}
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void grib_vsarray_delete_content(grib_context* c,grib_vsarray* v)
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{
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int i;
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if (!v || !v->v) return;
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if (!c) grib_context_get_default();
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for (i=0;i<v->n;i++) {
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grib_sarray_delete_content(c,v->v[i]);
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grib_sarray_delete(c,v->v[i]);
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v->v[i]=0;
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}
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v->n=0;
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}
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grib_sarray** grib_vsarray_get_array(grib_context* c,grib_vsarray* v)
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{
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grib_sarray** ret;
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int i;
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if (!v) return NULL;
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ret=(grib_sarray**)grib_context_malloc_clear(c,sizeof(grib_sarray*)*v->n);
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for (i=0;i<v->n;i++) ret[i]=v->v[i];
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return ret;
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}
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size_t grib_vsarray_used_size(grib_vsarray* v) { return v->n;}
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