Fix: use assignment-suppression for unused sscanf arguments

[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 41be3a5a03fbd5476732657e35b46769b347c02d..b4e6320c52a84619888b344b7037107c1aed8fc2 100644 (file)
--- a/src/bin/lttng/commands/enable_events.c
+++ b/src/bin/lttng/commands/enable_events.c
@@ -305,12 +305,10 @@ end:
  */
 static int warn_userspace_probe_syntax(const char *symbol)
 {
-       unsigned long addr = 0;
-       size_t offset = 0;
        int ret;
 
        /* Check if the symbol field is an hex address. */
-       ret = sscanf(symbol, "0x%lx", &addr);
+       ret = sscanf(symbol, "0x%*x");
        if (ret > 0) {
                /* If there is a match, print a warning and return an error. */
                ERR("Userspace probe on address not supported yet.");
@@ -319,7 +317,7 @@ static int warn_userspace_probe_syntax(const char *symbol)
        }
 
        /* Check if the symbol field is an decimal address. */
-       ret = sscanf(symbol, "%lu", &addr);
+       ret = sscanf(symbol, "%*u");
        if (ret > 0) {
                /* If there is a match, print a warning and return an error. */
                ERR("Userspace probe on address not supported yet.");
@@ -328,7 +326,7 @@ static int warn_userspace_probe_syntax(const char *symbol)
        }
 
        /* Check if the symbol field is symbol+hex_offset. */
-       ret = sscanf(symbol, "%*[^+]+0x%lx", &offset);
+       ret = sscanf(symbol, "%*[^+]+0x%*x");
        if (ret > 0) {
                /* If there is a match, print a warning and return an error. */
                ERR("Userspace probe on symbol+offset not supported yet.");
@@ -337,7 +335,7 @@ static int warn_userspace_probe_syntax(const char *symbol)
        }
 
        /* Check if the symbol field is symbol+decimal_offset. */
-       ret = sscanf(symbol, "%*[^+]+%lu", &offset);
+       ret = sscanf(symbol, "%*[^+]+%*u");
        if (ret > 0) {
                /* If there is a match, print a warning and return an error. */
                ERR("Userspace probe on symbol+offset not supported yet.");
@@ -491,6 +489,7 @@ static int parse_userspace_probe_opts(struct lttng_event *ev, char *opt)
                 */
                ret = access(real_target_path, F_OK);
                if (ret) {
+                       ERR("Cannot find binary at path: %s.", real_target_path);
                        ret = CMD_ERROR;
                        goto end_destroy_lookup_method;
                }