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-rw-r--r--kernel/register.cc48
1 files changed, 24 insertions, 24 deletions
diff --git a/kernel/register.cc b/kernel/register.cc
index 2f7b89ff..9452eb35 100644
--- a/kernel/register.cc
+++ b/kernel/register.cc
@@ -146,35 +146,34 @@ void Pass::extra_args(std::vector<std::string> args, size_t argidx, RTLIL::Desig
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 == '#') {
- free(sstart);
+
+ std::string cmd_buf = command;
+ std::string tok = next_token(cmd_buf, " \t\r\n");
+
+ if (tok.empty() || tok[0] == '#')
return;
- }
- if (*s == '!') {
- for (s++; *s == ' ' || *s == '\t'; s++) { }
- char *p = s + strlen(s) - 1;
- while (p >= s && (*p == '\r' || *p == '\n'))
- *(p--) = 0;
- log_header("Shell command: %s\n", s);
- int retCode = system(s);
+
+ if (tok[0] == '!') {
+ cmd_buf = command.substr(command.find('!') + 1);
+ while (!cmd_buf.empty() && (cmd_buf.back() == ' ' || cmd_buf.back() == '\t' ||
+ cmd_buf.back() == '\r' || cmd_buf.back() == '\n'))
+ cmd_buf.resize(cmd_buf.size()-1);
+ log_header("Shell command: %s\n", cmd_buf.c_str());
+ int retCode = system(cmd_buf.c_str());
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)) {
- std::string str = p;
- int strsz = str.size();
- if (str == "#")
+
+ while (!tok.empty()) {
+ if (tok == "#")
break;
- if (strsz > 0 && str[strsz-1] == ';') {
+ if (tok.back() == ';') {
int num_semikolon = 0;
- while (strsz > 0 && str[strsz-1] == ';')
- strsz--, num_semikolon++;
- if (strsz > 0)
- args.push_back(str.substr(0, strsz));
+ while (!tok.empty() && tok.back() == ';')
+ tok.resize(tok.size()-1), num_semikolon++;
+ if (!tok.empty())
+ args.push_back(tok);
call(design, args);
args.clear();
if (num_semikolon == 2)
@@ -182,9 +181,10 @@ void Pass::call(RTLIL::Design *design, std::string command)
if (num_semikolon == 3)
call(design, "clean -purge");
} else
- args.push_back(str);
+ args.push_back(tok);
+ tok = next_token(cmd_buf, " \t\r\n");
}
- free(sstart);
+
call(design, args);
}