execable: no need to check getenv for NULL, it works anyway.

This commit is contained in:
Denis Vlasenko 2006-10-12 06:15:13 +00:00
parent 5cb46485dd
commit 12f5676cce

View File

@ -27,7 +27,7 @@ char *find_execable(const char *filename)
{
char *path, *p, *n;
p = path = xstrdup(getenv("PATH") ? : "");
p = path = xstrdup(getenv("PATH"));
while (p) {
n = strchr(p, ':');
if (n)
@ -59,4 +59,3 @@ int exists_execable(const char *filename)
}
return 0;
}