summaryrefslogtreecommitdiff
path: root/ruby.c
diff options
context:
space:
mode:
Diffstat (limited to 'ruby.c')
-rw-r--r--ruby.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/ruby.c b/ruby.c
index 057b51682d..748ea3bfe3 100644
--- a/ruby.c
+++ b/ruby.c
@@ -1642,7 +1642,7 @@ rb_load_file(const char *fname)
}
#if !defined(PSTAT_SETCMD) && !defined(HAVE_SETPROCTITLE)
-#if !defined(_WIN32) && !(defined(HAVE_SETENV) && defined(HAVE_UNSETENV))
+#if !defined(_WIN32)
#define USE_ENVSPACE_FOR_ARG0
#endif
@@ -1669,7 +1669,8 @@ get_arglen(int argc, char **argv)
}
}
#if defined(USE_ENVSPACE_FOR_ARG0)
- if (environ && (s == environ[0])) {
+ if (environ && (s+1 == environ[0])) {
+ s++;
s += strlen(s);
for (i = 1; environ[i]; i++) {
if (environ[i] == s + 1) {
@@ -1677,7 +1678,19 @@ get_arglen(int argc, char **argv)
s += strlen(s); /* this one is ok too */
}
}
+# if defined(HAVE_SETENV) && defined(HAVE_UNSETENV)
+ {
+ char *t = malloc(s - environ[0] + 1);
+ for (i = 0; environ[i]; i++) {
+ size_t len = strlen(environ[i]) + 1;
+ memcpy(t, environ[i], len);
+ environ[i] = t;
+ t += len;
+ }
+ }
+# else
ruby_setenv("", NULL); /* duplicate environ vars */
+# endif
}
#endif
return s - argv[0];
@@ -1712,8 +1725,8 @@ set_arg0(VALUE val, ID id)
setproctitle("%.*s", (int)i, s);
#else
- if ((size_t)i >= origarg.len) {
- i = (long)(origarg.len - 1);
+ if ((size_t)i > origarg.len - origarg.argc) {
+ i = (long)(origarg.len - origarg.argc);
}
memcpy(origarg.argv[0], s, i);
@@ -1724,7 +1737,7 @@ set_arg0(VALUE val, ID id)
*t = '\0';
if ((size_t)(i + 1) < origarg.len) {
- memset(t + 1, ' ', origarg.len - i - 1);
+ memset(t + 1, '\0', origarg.len - i - 1);
}
for (j = 1; j < origarg.argc; j++) {
origarg.argv[j] = t;