diff options
| -rw-r--r-- | src/til_settings.c | 34 | ||||
| -rw-r--r-- | src/til_settings.h | 1 |
2 files changed, 35 insertions, 0 deletions
diff --git a/src/til_settings.c b/src/til_settings.c index 239e359..46844fd 100644 --- a/src/til_settings.c +++ b/src/til_settings.c @@ -537,3 +537,37 @@ char * til_settings_as_arg(const til_settings_t *settings) return outbuf; } + + +/* generate a positional label for a given setting, stored @ res_label. + * this is added specifically for labeling bare-value settings in an array subscript fashion... + */ +int til_settings_label_setting(const til_settings_t *settings, const til_setting_t *setting, char **res_label) +{ + char *label; + + assert(settings && settings->label); + assert(setting); + assert(res_label); + + /* Have to search for the setting, but shouldn't be perf-sensitive + * since we don't do stuff like this every frame or anything. + * I suppose til_setting_t could cache its position when added... TODO + */ + for (unsigned i = 0; i < settings->num; i++) { + if (settings->settings[i] == setting) { + size_t len = snprintf(NULL, 0, "%s[%u]", settings->label, i) + 1; + + label = calloc(1, len); + if (!label) + return -ENOMEM; + + snprintf(label, len, "%s[%u]", settings->label, i); + *res_label = label; + + return 0; + } + } + + return -ENOENT; +} diff --git a/src/til_settings.h b/src/til_settings.h index a2dacb8..0998f93 100644 --- a/src/til_settings.h +++ b/src/til_settings.h @@ -55,6 +55,7 @@ int til_settings_apply_desc_generators(const til_settings_t *settings, const til int til_setting_desc_new(const til_settings_t *settings, const til_setting_spec_t *spec, const til_setting_desc_t **res_desc); til_setting_desc_t * til_setting_desc_free(const til_setting_desc_t *desc); int til_setting_spec_check(const til_setting_spec_t *spec, const char *value); +int til_settings_label_setting(const til_settings_t *settings, const til_setting_t *setting, char **res_label); #ifndef TIL_SETTINGS_STR #define _TIL_SETTINGS_STR(s) #s |