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Fix: lttng: placing probe on symbol starting with `_`
[lttng-tools.git]
/
src
/
bin
/
lttng
/
commands
/
enable_events.c
diff --git
a/src/bin/lttng/commands/enable_events.c
b/src/bin/lttng/commands/enable_events.c
index b4e6320c52a84619888b344b7037107c1aed8fc2..84bcb20814233c8928a53b9fd8e1d93e88b453d5 100644
(file)
--- a/
src/bin/lttng/commands/enable_events.c
+++ b/
src/bin/lttng/commands/enable_events.c
@@
-143,7
+143,7
@@
static int parse_probe_opts(struct lttng_event *ev, char *opt)
}
/* Check for symbol */
}
/* Check for symbol */
- if (isalpha(name[0])) {
+ if (isalpha(name[0])
|| name[0] == '_'
) {
match = sscanf(opt, "%" LTTNG_SYMBOL_NAME_LEN_SCANF_IS_A_BROKEN_API "s",
name);
if (match == 1) {
match = sscanf(opt, "%" LTTNG_SYMBOL_NAME_LEN_SCANF_IS_A_BROKEN_API "s",
name);
if (match == 1) {
@@
-435,7
+435,7
@@
static int parse_userspace_probe_opts(struct lttng_event *ev, char *opt)
lookup_method =
lttng_userspace_probe_location_lookup_method_tracepoint_sdt_create();
if (!lookup_method) {
lookup_method =
lttng_userspace_probe_location_lookup_method_tracepoint_sdt_create();
if (!lookup_method) {
- WARN("Failed to create
ELF
lookup method");
+ WARN("Failed to create
SDT
lookup method");
ret = CMD_ERROR;
goto end_string;
}
ret = CMD_ERROR;
goto end_string;
}
@@
-484,8
+484,8
@@
static int parse_userspace_probe_opts(struct lttng_event *ev, char *opt)
}
/*
}
/*
- * Check if the file exists using access(2)
. If it does not, walk the
- *
$PATH
.
+ * Check if the file exists using access(2)
, If it does not,
+ *
return an error
.
*/
ret = access(real_target_path, F_OK);
if (ret) {
*/
ret = access(real_target_path, F_OK);
if (ret) {
@@
-805,7
+805,7
@@
char *print_exclusions(char **names)
{
int length = 0;
int i;
{
int length = 0;
int i;
- const char
*preamble
= " excluding ";
+ const char
preamble[]
= " excluding ";
char *ret;
int count = names ? strutils_array_of_strings_len(names) : 0;
char *ret;
int count = names ? strutils_array_of_strings_len(names) : 0;
@@
-818,9
+818,8
@@
char *print_exclusions(char **names)
length += strlen(names[i]) + 4;
}
length += strlen(names[i]) + 4;
}
- /* add length of preamble + one for NUL - one for last (missing) comma */
- length += strlen(preamble);
- ret = zmalloc(length + 1);
+ length += sizeof(preamble);
+ ret = zmalloc(length);
if (!ret) {
return NULL;
}
if (!ret) {
return NULL;
}
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