diff options
Diffstat (limited to 'tools/lib/traceevent/parse-filter.c')
| -rw-r--r-- | tools/lib/traceevent/parse-filter.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c index 315df0a70265..431e8b309f6e 100644 --- a/tools/lib/traceevent/parse-filter.c +++ b/tools/lib/traceevent/parse-filter.c @@ -287,12 +287,10 @@ find_event(struct pevent *pevent, struct event_list **events, sys_name = NULL; } - reg = malloc(strlen(event_name) + 3); - if (reg == NULL) + ret = asprintf(®, "^%s$", event_name); + if (ret < 0) return PEVENT_ERRNO__MEM_ALLOC_FAILED; - sprintf(reg, "^%s$", event_name); - ret = regcomp(&ereg, reg, REG_ICASE|REG_NOSUB); free(reg); @@ -300,13 +298,12 @@ find_event(struct pevent *pevent, struct event_list **events, return PEVENT_ERRNO__INVALID_EVENT_NAME; if (sys_name) { - reg = malloc(strlen(sys_name) + 3); - if (reg == NULL) { + ret = asprintf(®, "^%s$", sys_name); + if (ret < 0) { regfree(&ereg); return PEVENT_ERRNO__MEM_ALLOC_FAILED; } - sprintf(reg, "^%s$", sys_name); ret = regcomp(&sreg, reg, REG_ICASE|REG_NOSUB); free(reg); if (ret) { @@ -1634,6 +1631,7 @@ int pevent_filter_clear_trivial(struct event_filter *filter, case FILTER_TRIVIAL_FALSE: if (filter_type->filter->boolean.value) continue; + break; case FILTER_TRIVIAL_TRUE: if (!filter_type->filter->boolean.value) continue; @@ -1879,17 +1877,25 @@ static const char *get_field_str(struct filter_arg *arg, struct pevent_record *r struct pevent *pevent; unsigned long long addr; const char *val = NULL; + unsigned int size; char hex[64]; /* If the field is not a string convert it */ if (arg->str.field->flags & FIELD_IS_STRING) { val = record->data + arg->str.field->offset; + size = arg->str.field->size; + + if (arg->str.field->flags & FIELD_IS_DYNAMIC) { + addr = *(unsigned int *)val; + val = record->data + (addr & 0xffff); + size = addr >> 16; + } /* * We need to copy the data since we can't be sure the field * is null terminated. */ - if (*(val + arg->str.field->size - 1)) { + if (*(val + size - 1)) { /* copy it */ memcpy(arg->str.buffer, val, arg->str.field->size); /* the buffer is already NULL terminated */ |