[CI i-g-t 08/10] runner/settings: Add helpers to serialize/parse array

[Peter Senna Tschudin]

On 08.02.2025 00:09, Lucas De Marchi wrote:
> Prepare parser/serialize to handle arrays.
> 

Tested-by: Peter Senna Tschudin <peter.senna at linux.intel.com>
Reviewed-by: Peter Senna Tschudin <peter.senna at linux.intel.com>
> Reviewed-by: Gustavo Sousa <gustavo.sousa at intel.com>
> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
> ---
>  runner/settings.c | 28 ++++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
> 
> diff --git a/runner/settings.c b/runner/settings.c
> index 97b62ed36..1da005806 100644
> --- a/runner/settings.c
> +++ b/runner/settings.c
> @@ -1127,6 +1127,15 @@ static ssize_t unescape_str(char *buf, size_t *n_src)
>  			fputc('\n', f);		\
>  		}				\
>  	} while (0)
> +#define SERIALIZE_STR_ARRAY(f, s, name, name_len)		\
> +	do {							\
> +		SERIALIZE_INT(f, s, name_len);			\
> +		for (int _i = 0; _i < s->name_len; _i++) {	\
> +			fprintf(f, #name "[%d] : ", _i);	\
> +			escape_str(s->name[_i], f);		\
> +			fputc('\n', f);				\
> +		}						\
> +	} while (0)
>  bool serialize_settings(struct settings *settings)
>  {
>  	FILE *f;
> @@ -1223,6 +1232,7 @@ bool serialize_settings(struct settings *settings)
>  	close(dirfd);
>  	return true;
>  }
> +#undef SERIALIZE_STR_ARRAY
>  #undef SERIALIZE_STR
>  #undef SERIALIZE_UL
>  #undef SERIALIZE_INT
> @@ -1260,9 +1270,25 @@ static char *parse_str(char **val)
>  		s->field = _f(val);		\
>  		goto cleanup;			\
>  	}
> +#define PARSE_LINE_ARRAY(s, name, val, field, field_len, _f)		\
> +	do {								\
> +		int idx;						\
> +		if (!strcmp(name, #field_len)) {			\
> +			s->field_len = parse_int(val);			\
> +			s->field = calloc(s->field_len,			\
> +					  sizeof(*s->field));		\
> +			goto cleanup;					\
> +		} else if (sscanf(name, #field "[%u]", &idx) == 1 &&	\
> +			   idx < s->field_len) {			\
> +			s->field[idx] = _f(val);			\
> +			goto cleanup;					\
> +		}							\
> +	} while (0)
>  #define PARSE_INT(s, name, val, field) PARSE_LINE(s, name, &val, field, parse_int)
>  #define PARSE_UL(s, name, val, field)  PARSE_LINE(s, name, &val, field, parse_ul)
>  #define PARSE_STR(s, name, val, field) PARSE_LINE(s, name, &val, field, parse_str)
> +#define PARSE_STR_ARRAY(s, name, val, field, field_len) \
> +	PARSE_LINE_ARRAY(s, name, &val, field, field_len, parse_str)
>  bool read_settings_from_file(struct settings *settings, FILE *f)
>  {
>  	char *name = NULL, *val = NULL;
> @@ -1315,9 +1341,11 @@ cleanup:
>  
>  	return true;
>  }
> +#undef PARSE_STR_ARRAY
>  #undef PARSE_STR
>  #undef PARSE_UL
>  #undef PARSE_INT
> +#undef PARSE_LINE_ARRAY
>  #undef PARSE_LINE
>  
>  /**