From: Clifford Wolf <clifford@clifford.at>
Date: Sun, 23 Feb 2014 00:28:29 +0000 (+0100)
Subject: Fixed small memory leak in Pass::call()
X-Git-Tag: yosys-0.3.0~109
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b76528d8a557dc324b1dfaa366e2b620795f582d;p=yosys.git

Fixed small memory leak in Pass::call()
---

diff --git a/kernel/register.cc b/kernel/register.cc
index 325709664..ee14ffbad 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)) {