struct json_object* json_object_from_file(const char *filename)
{
struct printbuf *pb;
struct json_object *obj;
char buf[JSON_FILE_BUF_SIZE];
int fd, ret;
if((fd = open(filename, O_RDONLY)) < 0) {
MC_ERROR("json_object_from_file: error reading file %s: %s\n",
filename, strerror(errno));
return (struct json_object*)error_ptr(-1);
}
if(!(pb = printbuf_new())) {
MC_ERROR("json_object_from_file: printbuf_new failed\n");
return (struct json_object*)error_ptr(-1);
}
while((ret = read(fd, buf, JSON_FILE_BUF_SIZE)) > 0) {
printbuf_memappend(pb, buf, ret);
}
close(fd);
if(ret < 0) {
MC_ABORT("json_object_from_file: error reading file %s: %s\n",
filename, strerror(errno));
printbuf_free(pb);
return (struct json_object*)error_ptr(-1);
}
obj = json_tokener_parse(pb->buf);
printbuf_free(pb);
return obj;
}
struct mtev_json_object *mtev_json_object_from_fd(int fd)
{
struct jl_printbuf *pb;
struct mtev_json_object *obj;
char buf[JSON_FILE_BUF_SIZE];
int ret;
if(!(pb = jl_printbuf_new())) {
MC_ERROR("mtev_json_object_from_fd: jl_printbuf_new failed%s\n", "");
return (struct mtev_json_object*)error_ptr(-1);
}
while((ret = read(fd, buf, JSON_FILE_BUF_SIZE)) > 0) {
jl_printbuf_memappend(pb, buf, ret);
}
if(ret < 0) {
MC_ABORT("mtev_json_object_from_fd: error reading fd %d: %s\n",
fd, strerror(errno));
jl_printbuf_free(pb);
return (struct mtev_json_object*)error_ptr(-1);
}
obj = mtev_json_tokener_parse(pb->buf);
jl_printbuf_free(pb);
return obj;
}
