3 files changed, 3 insertions, 12 deletions
diff --git a/lib/lib.c b/lib/lib.c
index 03f0a24d..11acba0d 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -1191,17 +1191,6 @@ char *next_printf(char *s, char **start)
   return 0;
 }
 
-// Posix inexplicably hasn't got this, so find str in line.
-char *strnstr(char *line, char *str)
-{
-  long len = strlen(str);
-  char *s;
-
-  for (s = line; *s; s++) if (!strncasecmp(s, str, len)) break;
-
-  return *s ? s : 0;
-}
-
 int dev_minor(int dev)
 {
   return ((dev&0xfff00000)>>12)|(dev&0xff);
diff --git a/lib/lib.h b/lib/lib.h
index 8a45e080..14bb7cf6 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -237,7 +237,6 @@ int qstrcmp(const void *a, const void *b);
 void create_uuid(char *uuid);
 char *show_uuid(char *uuid);
 char *next_printf(char *s, char **start);
-char *strnstr(char *line, char *str);
 int dev_minor(int dev);
 int dev_major(int dev);
 int dev_makedev(int major, int minor);
diff --git a/lib/portability.h b/lib/portability.h
index c76beef9..59430e1b 100644
--- a/lib/portability.h
+++ b/lib/portability.h
@@ -88,6 +88,9 @@ char *dirname(char *path);
 char *__xpg_basename(char *path);
 static inline char *basename(char *path) { return __xpg_basename(path); }
 
+#include <string.h>
+char *strcasestr(const char *haystack, const char *needle);
+
 // When building under obsolete glibc (Ubuntu 8.04-ish), hold its hand a bit.
 #if __GLIBC__ == 2 && __GLIBC_MINOR__ < 10
 #define fstatat fstatat64