int main(int argc,char* argv[]) {
struct stat finfo;
char shortName[20]={0,};
size_t len=20;
grib_handle* h=NULL;
size_t fsize;
unsigned char* data=NULL;
unsigned char* p=NULL;
void* pdata=NULL;
int error=0;
int count=0;
char* filename=NULL;
FILE* f=NULL;
long level=0;
grib_context* c=grib_context_get_default();
if (argc==3 && !strcmp(argv[1],"-m")) {
grib_multi_support_on(0);
filename=argv[2];
}
else if (argc==2) filename=argv[1];
else usage(argv[0]);
f=fopen(filename,"r");
if (!f) {perror(filename);exit(1);}
fstat(fileno((FILE*)f),&finfo);
fsize=finfo.st_size;
data=(unsigned char*)malloc(fsize);
p=data;
if (!data) {
fprintf(stderr,"unable to allocate %ld bytes\n",(long)fsize);
exit(1);
}
if( fread(data, 1, fsize, f) != fsize) {
perror(filename);
exit(1);
}
fclose(f);
pdata=&data;
while ((h=grib_handle_new_from_multi_message(c,(void**)pdata,&fsize,&error))!=NULL) {
count++;
len=20;
GRIB_CHECK(grib_get_string(h,"shortName",shortName,&len),"shortName");
GRIB_CHECK(grib_get_long(h,"level",&level),"level");
printf("%d %s %ld\n",count,shortName,level);
grib_handle_delete(h);
}
free(p);
return 0;
}
grib_handle* codes_grib_handle_new_from_multi_message(grib_context* c,void** data,size_t *data_len,int* error)
{
return grib_handle_new_from_multi_message(c,data,data_len,error);
}
