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-rw-r--r--kernel/register.cc5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/register.cc b/kernel/register.cc
index 32570966..ee14ffba 100644
--- a/kernel/register.cc
+++ b/kernel/register.cc
@@ -133,8 +133,10 @@ void Pass::call(RTLIL::Design *design, std::string command)
std::vector<std::string> args;
char *s = strdup(command.c_str()), *sstart = s, *saveptr;
s += strspn(s, " \t\r\n");
- if (*s == 0 || *s == '#')
+ if (*s == 0 || *s == '#') {
+ free(sstart);
return;
+ }
if (*s == '!') {
for (s++; *s == ' ' || *s == '\t'; s++) { }
char *p = s + strlen(s) - 1;
@@ -144,6 +146,7 @@ void Pass::call(RTLIL::Design *design, std::string command)
int retCode = system(s);
if (retCode != 0)
log_cmd_error("Shell command returned error code %d.\n", retCode);
+ free(sstart);
return;
}
for (char *p = strtok_r(s, " \t\r\n", &saveptr); p; p = strtok_r(NULL, " \t\r\n", &saveptr)) {