- /* Three fields: regex, uid:gid, mode */
- for (field=0; field < (3 + ENABLE_FEATURE_MDEV_EXEC);
- field++)
- {
- /* Skip whitespace */
- while (pos<end && isspace(*pos)) pos++;
- if (pos==end || *pos=='#') break;
- for (end2=pos;
- end2<end && !isspace(*end2) && *end2!='#'; end2++)
- ;
-
- if (!field) {
- /* Regex to match this device */
-
- char *regex = strndupa(pos, end2-pos);
- regex_t match;
- regmatch_t off;
- int result;
-
- /* Is this it? */
- xregcomp(&match,regex, REG_EXTENDED);
- result = regexec(&match, device_name, 1, &off, 0);
- regfree(&match);
-
- /* If not this device, skip rest of line */
- if (result || off.rm_so
- || off.rm_eo != strlen(device_name))
- break;
-
- } else if (field == 1) {
- /* uid:gid */
-
- char *s, *s2;
-
- /* Find : */
- for(s=pos; s<end2 && *s!=':'; s++)
- ;
- if (s == end2) break;
-
- /* Parse UID */
- uid = strtoul(pos,&s2,10);
- if (s != s2) {
- struct passwd *pass;
- pass = getpwnam(strndupa(pos, s-pos));
- if (!pass) break;
- uid = pass->pw_uid;
- }
- s++;
- /* parse GID */
- gid = strtoul(s, &s2, 10);
- if (end2 != s2) {
- struct group *grp;
- grp = getgrnam(strndupa(s, end2-s));
- if (!grp) break;
- gid = grp->gr_gid;
- }
- } else if (field == 2) {
- /* mode */
-
- mode = strtoul(pos, &pos, 8);
- if (pos != end2) break;
- } else if (ENABLE_FEATURE_MDEV_EXEC && field == 3) {
- // Command to run
- char *s = "@$*", *s2;
- if (!(s2 = strchr(s, *pos++))) {
- // Force error
- field = 1;
- break;
- }
- if ((s2-s+1) & (1<<delete))
- command = xstrndup(pos, end-pos);
- }
-
- pos = end2;
+ mode = strtoul(pos, &pos, 8);
+ if (pos != end2) break;
+ }
+ if (ENABLE_FEATURE_MDEV_EXEC && field == 3) {
+ // Command to run
+ const char *s = "@$*";
+ const char *s2;
+ s2 = strchr(s, *pos++);
+ if (!s2) {
+ // Force error
+ field = 1;
+ break;