eccodes/src/grib_sarray.c

124 lines
3.2 KiB
C

/*
* (C) Copyright 2005- ECMWF.
*
* This software is licensed under the terms of the Apache Licence Version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
*
* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
*/
#include "grib_api_internal.h"
/* For debugging purposes */
void grib_sarray_print(const char* title, const grib_sarray* sarray)
{
size_t i;
Assert(sarray);
printf("%s: sarray.n=%zu \t", title, sarray->n);
for (i = 0; i < sarray->n; i++) {
printf("sarray[%zu]=%s\t", i, sarray->v[i]);
}
printf("\n");
}
grib_sarray* grib_sarray_new(grib_context* c, size_t size, size_t incsize)
{
grib_sarray* v = NULL;
if (!c)
c = grib_context_get_default();
v = (grib_sarray*)grib_context_malloc_clear(c, sizeof(grib_sarray));
if (!v) {
grib_context_log(c, GRIB_LOG_ERROR,
"grib_sarray_new unable to allocate %lu bytes\n", sizeof(grib_sarray));
return NULL;
}
v->size = size;
v->n = 0;
v->incsize = incsize;
v->context = c;
v->v = (char**)grib_context_malloc_clear(c, sizeof(char*) * size);
if (!v->v) {
grib_context_log(c, GRIB_LOG_ERROR,
"grib_sarray_new unable to allocate %lu bytes\n", sizeof(char*) * size);
return NULL;
}
return v;
}
static grib_sarray* grib_sarray_resize(grib_sarray* v)
{
const size_t newsize = v->incsize + v->size;
grib_context* c = v->context;
if (!c)
c = grib_context_get_default();
v->v = (char**)grib_context_realloc(c, v->v, newsize * sizeof(char*));
v->size = newsize;
if (!v->v) {
grib_context_log(c, GRIB_LOG_ERROR,
"grib_sarray_resize unable to allocate %lu bytes\n", sizeof(char*) * newsize);
return NULL;
}
return v;
}
grib_sarray* grib_sarray_push(grib_context* c, grib_sarray* v, char* val)
{
size_t start_size = 100;
size_t start_incsize = 100;
if (!v)
v = grib_sarray_new(c, start_size, start_incsize);
if (v->n >= v->size)
v = grib_sarray_resize(v);
v->v[v->n] = val;
v->n++;
return v;
}
void grib_sarray_delete(grib_context* c, grib_sarray* v)
{
if (!v)
return;
if (!c)
c = grib_context_get_default();
if (v->v)
grib_context_free(c, v->v);
grib_context_free(c, v);
}
void grib_sarray_delete_content(grib_context* c, grib_sarray* v)
{
size_t i = 0;
if (!v || !v->v)
return;
if (!c)
c = grib_context_get_default();
for (i = 0; i < v->n; i++) {
if (v->v[i]) {
/*printf("grib_sarray_delete_content: %s %p\n", v->v[i], (void*)v->v[i]);*/
grib_context_free(c, v->v[i]);
}
v->v[i] = 0;
}
v->n = 0;
}
char** grib_sarray_get_array(grib_context* c, grib_sarray* v)
{
char** ret = NULL;
size_t i = 0;
if (!v)
return NULL;
ret = (char**)grib_context_malloc_clear(c, sizeof(char*) * v->n);
for (i = 0; i < v->n; i++)
ret[i] = v->v[i];
return ret;
}
size_t grib_sarray_used_size(grib_sarray* v)
{
return v->n;
}