/src/janet/test/fuzzers/fuzz_dostring.c

Source (jump to first uncovered line)
#include <stdint.h>
#include <string.h>
#include <janet.h>

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {

    /* init Janet */
    janet_init();

    /* fuzz the parser */
    JanetParser parser;
    janet_parser_init(&parser);
    for (int i = 0, done = 0; i < size; i++) {
        switch (janet_parser_status(&parser)) {
            case JANET_PARSE_DEAD:
            case JANET_PARSE_ERROR:
                done = 1;
                break;
            case JANET_PARSE_PENDING:
                if (i == size) {
                    janet_parser_eof(&parser);
                } else {
                    janet_parser_consume(&parser, data[i]);
                }
                break;
            case JANET_PARSE_ROOT:
                if (i >= size) {
                    janet_parser_eof(&parser);
                } else {
                    janet_parser_consume(&parser, data[i]);
                }
                break;
        }

        if (done == 1)
            break;
    }
    janet_parser_deinit(&parser);

    /* cleanup Janet */
    janet_deinit();

    return 0;
}


Line	Count	Source (jump to first uncovered line)
1		#include <stdint.h>
2		#include <string.h>
3		#include <janet.h>
4
5	6.42k	int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
6
7		/* init Janet */
8	6.42k	janet_init();
9
10		/* fuzz the parser */
11	6.42k	JanetParser parser;
12	6.42k	janet_parser_init(&parser);
13	69.6M	for (int i = 0, done = 0; i < size; i++) {
14	69.6M	switch (janet_parser_status(&parser)) {
15	0	case JANET_PARSE_DEAD:
16	123	case JANET_PARSE_ERROR:
17	123	done = 1;
18	123	break;
19	69.5M	case JANET_PARSE_PENDING:
20	69.5M	if (i == size) {
21	0	janet_parser_eof(&parser);
22	69.5M	} else {
23	69.5M	janet_parser_consume(&parser, data[i]);
24	69.5M	}
25	69.5M	break;
26	62.0k	case JANET_PARSE_ROOT:
27	62.0k	if (i >= size) {
28	0	janet_parser_eof(&parser);
29	62.0k	} else {
30	62.0k	janet_parser_consume(&parser, data[i]);
31	62.0k	}
32	62.0k	break;
33	69.6M	}
34
35	69.6M	if (done == 1)
36	123	break;
37	69.6M	}
38	6.42k	janet_parser_deinit(&parser);
39
40		/* cleanup Janet */
41	6.42k	janet_deinit();
42
43	6.42k	return 0;
44	6.42k	}
45

Coverage Report

Created: 2025-07-11 06:28