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-rw-r--r--extra/scripts/unifdef.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/extra/scripts/unifdef.c b/extra/scripts/unifdef.c
index 5d1171e4d..abc39966c 100644
--- a/extra/scripts/unifdef.c
+++ b/extra/scripts/unifdef.c
@@ -63,8 +63,8 @@ __FBSDID("$FreeBSD: /repoman/r/ncvs/src/usr.bin/unifdef/unifdef.c,v 1.20 2005/05
* also make it possible to handle all "dodgy" directives correctly.
*/
+#include <errno.h>
#include <ctype.h>
-#include <err.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
@@ -72,6 +72,12 @@ __FBSDID("$FreeBSD: /repoman/r/ncvs/src/usr.bin/unifdef/unifdef.c,v 1.20 2005/05
#include <string.h>
#include <unistd.h>
+/* Avoid err.h since uClibc can disable these things */
+#define vwarnx(fmt, args) ({ fprintf(stderr, "unifdef: "); vfprintf(stderr, fmt, args); fprintf(stderr, "\n"); })
+#define warnx(fmt, args...) fprintf(stderr, "unifdef: " fmt "\n", ## args)
+#define errx(exit_code, fmt, args...) ({ warnx(fmt, ## args); exit(exit_code); })
+#define err(exit_code, fmt, args...) errx(exit_code, fmt ": %s", ## args, strerror(errno))
+
size_t strlcpy(char *dst, const char *src, size_t siz);
/* types of input lines: */