[PATCH:xfs 1/4] Make CONFIG_ERR_* values be strings instead of indexes in ConfigErrors array

Jeremy Huddleston jeremyhu at apple.com
Sat Nov 12 16:45:59 PST 2011


Series:
Reviewed-by: Jeremy Huddleston <jeremyhu at apple.com>

On Nov 11, 2011, at 22:49, Alan Coopersmith wrote:

> Allows gcc to check printf format strings instead of just giving warnings.
> Since these #defines are only used in config.c, define them directly there,
> instead of in the config.h header that no one else includes.
> 
> Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>
> ---
> os/config.c |   47 ++++++++++++++++++++++-------------------------
> os/config.h |   12 ------------
> 2 files changed, 22 insertions(+), 37 deletions(-)
> 
> diff --git a/os/config.c b/os/config.c
> index 358189a..809a3fa 100644
> --- a/os/config.c
> +++ b/os/config.c
> @@ -106,19 +106,16 @@ static ConfigOptionRec config_options[] = {
>     {NULL, NULL},
> };
> 
> -static const char * const ConfigErrors[] = {
> -    "",
> -    "CONFIG: insufficient memory to load configuration file \"%s\"\n",
> -    "CONFIG: can't open configuration file \"%s\"\n",
> -    "CONFIG: error reading configuration file \"%s\"\n",
> -    "CONFIG: bad value \"%s\" for parameter \"%s\"\n",
> -    "CONFIG: unknown parameter \"%s\"\n",
> -    "CONFIG: missing '=' after parameter \"%s\"\n",
> -    "CONFIG: value out of range for parameter \"%s\"\n",
> -    "CONFIG: syntax error near parameter \"%s\"\n",
> -    "CONFIG: missing value for parameter \"%s\"\n",
> -    "CONFIG: extra value for parameter \"%s\"\n",
> -};
> +#define	CONFIG_ERR_MEMORY "CONFIG: insufficient memory to load configuration file \"%s\"\n"
> +#define	CONFIG_ERR_OPEN "CONFIG: can't open configuration file \"%s\"\n"
> +#define	CONFIG_ERR_READ "CONFIG: error reading configuration file \"%s\"\n"
> +#define	CONFIG_ERR_VALUE "CONFIG: bad value \"%s\" for parameter \"%s\"\n"
> +#define	CONFIG_ERR_UNKNOWN "CONFIG: unknown parameter \"%s\"\n"
> +#define	CONFIG_ERR_NOEQUALS "CONFIG: missing '=' after parameter \"%s\"\n"
> +#define	CONFIG_ERR_RANGE "CONFIG: value out of range for parameter \"%s\"\n"
> +#define	CONFIG_ERR_SYNTAX "CONFIG: syntax error near parameter \"%s\"\n"
> +#define	CONFIG_ERR_NOVALUE "CONFIG: missing value for parameter \"%s\"\n"
> +#define	CONFIG_ERR_EXTRAVALUE "CONFIG: extra value for parameter \"%s\"\n"
> 
> #define	iseol(c)	((c) == '\n' || (c) == '\r' || (c) == '\f')
> #define	skip_whitespace(c)	while(isspace(*(c)) || *(c) == ',') (c)++;
> @@ -217,14 +214,14 @@ parse_config(char *data)
> 
> 	/* check for junk */
> 	if (!isspace(*c) && *c != '=') {
> -	    ErrorF(ConfigErrors[CONFIG_ERR_SYNTAX], param_name);
> +	    ErrorF(CONFIG_ERR_SYNTAX, param_name);
> 	    /* eat garbage */
> 	    while (!isspace(*c) && *c != '=' && *c != '\0')
> 		c++;
> 	}
> 	skip_whitespace(c);
> 	if (*c != '=') {
> -	    ErrorF(ConfigErrors[CONFIG_ERR_NOEQUALS], param_name);
> +	    ErrorF(CONFIG_ERR_NOEQUALS, param_name);
> 	    equals_missing = TRUE;
> 	} else {
> 	    c++;
> @@ -244,26 +241,26 @@ parse_config(char *data)
> 
> 	    if (val <= c) {
> 		/* no value, ignore */
> -		ErrorF(ConfigErrors[CONFIG_ERR_NOVALUE], param_name);
> +		ErrorF(CONFIG_ERR_NOVALUE, param_name);
> 		continue;
> 	    }
> 	    *val = '\0';
> 	} else if (*c == '\0') {
> 	    /* no value, ignore */
> -	    ErrorF(ConfigErrors[CONFIG_ERR_NOVALUE], param_name);
> +	    ErrorF(CONFIG_ERR_NOVALUE, param_name);
> 	    continue;
> 	}
> 	/* match parm name */
> 	if (equals_missing) {
> 	    equals_missing = FALSE;
> 	} else if ((param = match_param_name(param_name)) == NULL) {
> -	    ErrorF(ConfigErrors[CONFIG_ERR_UNKNOWN], param_name);
> +	    ErrorF(CONFIG_ERR_UNKNOWN, param_name);
> 	} else {
> 	    consumed = (param->set_func) (param, c);
> 
> 	    skip_whitespace(consumed);
> 	    if (*consumed != '\0') {
> -		ErrorF(ConfigErrors[CONFIG_ERR_EXTRAVALUE],
> +		ErrorF(CONFIG_ERR_EXTRAVALUE,
> 		       param_name);
> 	    }
> 	}
> @@ -331,7 +328,7 @@ ReadConfigFile(const char *filename)
> 
>     data = (char *) fsalloc(CONFIG_MAX_FILESIZE);
>     if (!data) {
> -	ErrorF(ConfigErrors[CONFIG_ERR_MEMORY], filename);
> +	ErrorF(CONFIG_ERR_MEMORY, filename);
> 	return FSBadAlloc;
>     }
>     if (filename != NULL) {
> @@ -340,7 +337,7 @@ ReadConfigFile(const char *filename)
> #endif
> 	fp = fopen(filename, "r");
> 	if (fp == NULL) {
> -	    ErrorF(ConfigErrors[CONFIG_ERR_OPEN], filename);
> +	    ErrorF(CONFIG_ERR_OPEN, filename);
> 	}
>     } else {
> 	for (i = 0; default_config_files[i] != NULL; i++) {
> @@ -357,7 +354,7 @@ ReadConfigFile(const char *filename)
> 	}
> 	if (fp == NULL) {
> 	    for (i = 0; default_config_files[i] != NULL; i++) {
> -		ErrorF(ConfigErrors[CONFIG_ERR_OPEN], default_config_files[i]);
> +		ErrorF(CONFIG_ERR_OPEN, default_config_files[i]);
> 	    }
> 	}
>     }
> @@ -369,7 +366,7 @@ ReadConfigFile(const char *filename)
>     if (ret <= 0) {
> 	fsfree(data);
> 	(void) fclose(fp);
> -	ErrorF(ConfigErrors[CONFIG_ERR_READ], filename);
> +	ErrorF(CONFIG_ERR_READ, filename);
> 	return FSBadName;
>     }
>     len = ftell(fp);
> @@ -417,7 +414,7 @@ config_parse_nameVal (
> 	    return c;
> 	}
>     }
> -    ErrorF(ConfigErrors[CONFIG_ERR_VALUE], start);
> +    ErrorF(CONFIG_ERR_VALUE, start);
>     *c = t;
>     *ret = -1;
>     return c;
> @@ -458,7 +455,7 @@ config_parse_int(
> 	    skip_val(c);
> 	    t = *c;
> 	    *c = '\0';
> -	    ErrorF(ConfigErrors[CONFIG_ERR_VALUE], start);
> +	    ErrorF(CONFIG_ERR_VALUE, start);
> 	    *ret = -1;
> 	    *c = t;
> 	    return c;
> diff --git a/os/config.h b/os/config.h
> index 1a4de08..327047d 100644
> --- a/os/config.h
> +++ b/os/config.h
> @@ -51,16 +51,4 @@ in this Software without prior written authorization from The Open Group.
> /* max size in bytes of config file */
> #define	CONFIG_MAX_FILESIZE	32767
> 
> -/* error codes */
> -/* these should be in the same order as the error strings in config.c */
> -#define	CONFIG_ERR_MEMORY	1
> -#define	CONFIG_ERR_OPEN		2
> -#define	CONFIG_ERR_READ		3
> -#define	CONFIG_ERR_VALUE	4
> -#define	CONFIG_ERR_UNKNOWN	5
> -#define	CONFIG_ERR_NOEQUALS	6
> -#define	CONFIG_ERR_RANGE	7
> -#define	CONFIG_ERR_SYNTAX	8
> -#define	CONFIG_ERR_NOVALUE	9
> -#define	CONFIG_ERR_EXTRAVALUE	10
> #endif				/* _CONFIG_H_ */
> -- 
> 1.7.3.2
> 
> _______________________________________________
> xorg-devel at lists.x.org: X.Org development
> Archives: http://lists.x.org/archives/xorg-devel
> Info: http://lists.x.org/mailman/listinfo/xorg-devel
> 



More information about the xorg-devel mailing list