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add fuzz target

pull/378/head
Randy 5 years ago
parent
commit
f7f175fdf2
  1. 41
      fuzzing/cjson_read_fuzzer.cc

41
fuzzing/cjson_read_fuzzer.cc

@ -0,0 +1,41 @@
#include <stdlib.h>
#include <stdint.h>
#include "../cJSON.h"
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
if((data[0] == '\0') || (size < 3) || (data[1] == '\0')) return 0;
cJSON *json = cJSON_Parse((const char*)data + 2);
if(json == NULL) return 0;
int do_format = 0;
char *printed_json = NULL;
if(data[1] == 'f') do_format = 1;
if(data[0] == 'b')
{
/* buffered printing */
printed_json = cJSON_PrintBuffered(json, 1, do_format);
}
else
{
/* unbuffered printing */
if(do_format)
{
printed_json = cJSON_Print(json);
}
else
{
printed_json = cJSON_PrintUnformatted(json);
}
}
if(printed_json != NULL) free(printed_json);
cJSON_Delete(json);
return 0;
}
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