diff options
Diffstat (limited to 'src/systemcmds')
-rw-r--r-- | src/systemcmds/param/param.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/src/systemcmds/param/param.c b/src/systemcmds/param/param.c index 65f291f40..9e5e6f2e6 100644 --- a/src/systemcmds/param/param.c +++ b/src/systemcmds/param/param.c @@ -203,11 +203,38 @@ do_show_print(void *arg, param_t param) int32_t i; float f; const char *search_string = (const char*)arg; + const char *p_name = (const char*)param_name(param); /* print nothing if search string is invalid and not matching */ - if (!(arg == NULL || (!strcmp(search_string, param_name(param))))) { - /* param not found */ - return; + if (!(arg == NULL)) { + + /* start search */ + char *ss = search_string; + char *pp = p_name; + bool mismatch = false; + + /* XXX this comparison is only ok for trailing wildcards */ + while (*ss != '\0' && *pp != '\0') { + + if (*ss == *pp) { + ss++; + pp++; + } else if (*ss == '*') { + if (*(ss + 1) != '\0') { + warnx("* symbol only allowed at end of search string."); + exit(1); + } + + pp++; + } else { + /* param not found */ + return; + } + } + + /* the search string must have been consumed */ + if (!(*ss == '\0' || *ss == '*')) + return; } printf("%c %s: ", |