[PATCH] update klibc to version 0.181

[elogind.git] / klibc / klibc / strerror.c

diff --git a/klibc/klibc/strerror.c b/klibc/klibc/strerror.c
index 754a30693cc54f4100860a2e9290e8764fae8783..c8e3eac793517244258542cc535dda19ebbd430b 100644 (file)
--- a/klibc/klibc/strerror.c
+++ b/klibc/klibc/strerror.c
@@ -7,19 +7,28 @@
 char *strerror(int errnum)
 {
   static char message[32] = "error "; /* enough for error 2^63-1 */
-
   char numbuf[32];
   char *p;
-  int len;
+  unsigned int e = (unsigned int)errnum;
+
+#ifdef WITH_ERRLIST
+  extern const int sys_nerr;
+  extern const char * const sys_errlist[];
+
+  if ( e < (unsigned int)sys_nerr && sys_errlist[e] )
+    return (char *)sys_errlist[e];
+#endif
 
   p = numbuf+sizeof numbuf;
   *--p = '\0';
 
   do {
-    *--p = (errnum % 10) + '0';
-    errnum /= 10;
-  } while ( errnum );
+    *--p = (e % 10) + '0';
+    e /= 10;
+  } while ( e );
+
+  memcpy(message+6, p, (numbuf+sizeof numbuf)-p);
 
-  return (char *)memcpy(message+6, p, (numbuf+sizeof numbuf)-p);
+  return message;
 }