Add basic errno support.

Needed for hash table support; probably useful in a lot of other
places as well.

Signed-off-by: Wolfgang Denk <wd@denx.de>
master
Wolfgang Denk 13 years ago
parent a2a649d73c
commit 65cd3fa81f
  1. 9
      include/errno.h
  2. 1
      lib/Makefile
  3. 1
      lib/errno.c

@ -0,0 +1,9 @@
#ifndef _ERRNO_H
#include <asm-generic/errno.h>
extern int errno;
#define __set_errno(val) do { errno = val; } while (0)
#endif /* _ERRNO_H */

@ -37,6 +37,7 @@ COBJS-y += crc32.o
COBJS-y += ctype.o
COBJS-y += display_options.o
COBJS-y += div64.o
COBJS-y += errno.o
COBJS-$(CONFIG_GZIP) += gunzip.o
COBJS-$(CONFIG_LMB) += lmb.o
COBJS-y += ldiv.o

@ -0,0 +1 @@
int errno = 0;
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