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authorAndrey A. Chernov <ache@FreeBSD.org>2007-05-01 16:02:44 +0000
committerAndrey A. Chernov <ache@FreeBSD.org>2007-05-01 16:02:44 +0000
commitba174a5e38b1ab764c4a36ef4dd83e80c4add148 (patch)
treee3e0b3658b8df3a905b3117d8535bb15f42c9e80 /lib/libc/stdlib/getenv.c
parent8d497697b2ae8684e3ac94eff8bb9ce60dc14a3e (diff)
Notes
Diffstat (limited to 'lib/libc/stdlib/getenv.c')
-rw-r--r--lib/libc/stdlib/getenv.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/lib/libc/stdlib/getenv.c b/lib/libc/stdlib/getenv.c
index 9ff18d8b7784..306b6a19f8be 100644
--- a/lib/libc/stdlib/getenv.c
+++ b/lib/libc/stdlib/getenv.c
@@ -43,7 +43,7 @@ inline char *__findenv(const char *, int *);
* __findenv --
* Returns pointer to value associated with name, if any, else NULL.
* Sets offset to be the offset of the name/value combination in the
- * environmental array, for use by putenv(3), setenv(3) and unsetenv(3).
+ * environmental array, for use by setenv(3) and unsetenv(3).
* Explicitly removes '=' in argument name.
*
* This routine *should* be a static; don't use it.
@@ -58,7 +58,7 @@ __findenv(name, offset)
const char *np;
char **p, *cp;
- if (environ == NULL)
+ if (name == NULL || environ == NULL)
return (NULL);
for (np = name; *np && *np != '='; ++np)
continue;
@@ -85,8 +85,5 @@ getenv(name)
{
int offset;
- if (name == NULL || !*name || strchr(name, '=') != NULL)
- return (NULL);
-
return (__findenv(name, &offset));
}