test-blobmsg-parse.c

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#include <stdio.h>
#include <stdint.h>
#include <stddef.h>
#include <libgen.h>
 
#include "blobmsg.h"
 
enum {
        FOO_MESSAGE,
        FOO_LIST,
        FOO_TESTDATA,
        __FOO_MAX
};
 
static const struct blobmsg_policy foo_policy[] = {
        [FOO_MESSAGE] = {
                .name = "message",
                .type = BLOBMSG_TYPE_STRING,
        },
        [FOO_LIST] = {
                .name = "list",
                .type = BLOBMSG_TYPE_ARRAY,
        },
        [FOO_TESTDATA] = {
                .name = "testdata",
                .type = BLOBMSG_TYPE_TABLE,
        },
};
 
static void dump_result(const char *fn, int r, const char *filename, struct blob_attr **tb)
{
        fprintf(stdout, "%s: %s: %c%c%c (%d)\n", basename((char *) filename), fn,
                tb[FOO_MESSAGE] ? 'M' : '.',
                tb[FOO_LIST] ? 'L' : '.',
                tb[FOO_TESTDATA] ? 'T' : '.',
                r);
}
 
static void test_blobmsg(const char *filename)
{
#define BUF_LEN 256
        int r = 0;
        size_t len = 0;
        FILE *fd = NULL;
        char *buf = NULL;
        struct blob_attr *tb[__FOO_MAX];
 
        fd = fopen(filename, "r");
        if (!fd) {
                fprintf(stderr, "unable to open %s\n", filename);
                return;
        }
 
        buf = malloc(BUF_LEN+1);
        if (!buf)
                return;
 
        len = fread(buf, 1, BUF_LEN, fd);
        fclose(fd);
 
        r = blobmsg_parse(foo_policy, ARRAY_SIZE(foo_policy), tb, buf, len);
        dump_result("blobmsg_parse", r, filename, tb);
 
        r = blobmsg_parse_array(foo_policy, ARRAY_SIZE(foo_policy), tb, buf, len);
        dump_result("blobmsg_parse_array", r, filename, tb);
 
        free(buf);
}
 
int main(int argc, char *argv[])
{
        if (argc != 2) {
                fprintf(stderr, "Usage: %s <blobmsg.bin>\n", argv[0]);
                return 3;
        }
 
        test_blobmsg(argv[1]);
 
        return 0;
}