static const char *json_str = "{\"user\": \"johndoe\", \"admin\": false, \"uid\": 1000,\n " "\"groups\": [\"users\", \"wheel\", \"audio\", \"video\"]}"; jsmn_init(&p); n = jsmn_parse(&p, json_str, strlen(json_str), tokens, 256); jsmntok_t key = tokens[2]; unsigned int length = key.end - key.start; char keyString[length + 1]; memcpy(keyString, &json_str[key.start], length); keyString[length] = '\0'; printf("Key: %s\n", keyString);

https://stackoverflow.com/questions/14388692/how-to-parse-a-small-json-file-with-jsmn-on-an-embedded-system/50555272#50555272

char parse_json(char** s) { printf("jsonstring: %s\n",*s); jsmn_parser p; jsmntok_t tokens[256]; int n; char *json_str = *s; jsmn_init(&p); n = jsmn_parse(&p, json_str, strlen(json_str), tokens, 256); char *str_last = (char *) malloc(512); for (int i = 0; i != n; ++i) { jsmntok_t key = tokens[i]; unsigned int length = key.end - key.start; char str[length + 1]; memcpy(str, &json_str[key.start], length); str[length] = '\0'; if(strcmp(str_last,"data") == 0) { printf("%s: %s\n", str_last, str); } strcpy(str_last, str); } } 18.11.19

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