diff options
Diffstat (limited to 'tools/lib/traceevent/parse-filter.c')
| -rw-r--r-- | tools/lib/traceevent/parse-filter.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c index 246ee81e1f93..a0ab040e8f71 100644 --- a/tools/lib/traceevent/parse-filter.c +++ b/tools/lib/traceevent/parse-filter.c @@ -287,7 +287,7 @@ static int event_match(struct event_format *event, !regexec(ereg, event->name, 0, NULL, 0); } -static int +static enum pevent_errno find_event(struct pevent *pevent, struct event_list **events, char *sys_name, char *event_name) { @@ -306,23 +306,31 @@ find_event(struct pevent *pevent, struct event_list **events, sys_name = NULL; } - reg = malloc_or_die(strlen(event_name) + 3); + reg = malloc(strlen(event_name) + 3); + if (reg == NULL) + return PEVENT_ERRNO__MEM_ALLOC_FAILED; + sprintf(reg, "^%s$", event_name); ret = regcomp(&ereg, reg, REG_ICASE|REG_NOSUB); free(reg); if (ret) - return -1; + return PEVENT_ERRNO__INVALID_EVENT_NAME; if (sys_name) { - reg = malloc_or_die(strlen(sys_name) + 3); + reg = malloc(strlen(sys_name) + 3); + if (reg == NULL) { + regfree(&ereg); + return PEVENT_ERRNO__MEM_ALLOC_FAILED; + } + sprintf(reg, "^%s$", sys_name); ret = regcomp(&sreg, reg, REG_ICASE|REG_NOSUB); free(reg); if (ret) { regfree(&ereg); - return -1; + return PEVENT_ERRNO__INVALID_EVENT_NAME; } } @@ -342,9 +350,9 @@ find_event(struct pevent *pevent, struct event_list **events, regfree(&sreg); if (!match) - return -1; + return PEVENT_ERRNO__EVENT_NOT_FOUND; if (fail) - return -2; + return PEVENT_ERRNO__MEM_ALLOC_FAILED; return 0; } @@ -1312,7 +1320,10 @@ int pevent_filter_add_filter_str(struct event_filter *filter, /* Find this event */ ret = find_event(pevent, &events, strim(sys_name), strim(event_name)); if (ret < 0) { - if (event_name) + if (ret == PEVENT_ERRNO__MEM_ALLOC_FAILED) + show_error(error_str, + "Memory allocation failure"); + else if (event_name) show_error(error_str, "No event found under '%s.%s'", sys_name, event_name); |