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	Don't treat failure to rename an interface as fatal - smdev - suckless mdev
	git clone git://git.suckless.org/smdev
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	---
	commit 49b838e3bf8d701ce13795a586ec463656c6c1cd
	parent cae0a45a24450800ffa47e4b8cc2d617fca03106
	Author: sin <[email protected]>
	Date: Thu, 4 Sep 2014 15:53:36 +0100

	Don't treat failure to rename an interface as fatal

	Diffstat:
	M smdev.c \| 2 +-
	M util.h \| 1 +
	M util/eprintf.c \| 19 ++++++++++++++++---

	3 files changed, 18 insertions(+), 4 deletions(-)
	---
	diff --git a/smdev.c b/smdev.c
	@@ -428,7 +428,7 @@ ifrename(void)
	mac2names[i].name, sizeof(ifr.ifr_newname));
	r = ioctl(sd, SIOCSIFNAME, &ifr);
	if (r < 0)
	- eprintf("SIOCSIFNAME:");
	+ weprintf("SIOCSIFNAME:");
	}
	}
	freeifaddrs(ifas);
	diff --git a/util.h b/util.h
	@@ -11,6 +11,7 @@ int readuevent(const char *);
	int devtype(const char *);
	void enprintf(int, const char *, ...);
	void eprintf(const char *, ...);
	+void weprintf(const char *, ...);
	long estrtol(const char *, int);
	void recurse(const char , void ()(const char *));
	#undef strlcpy
	diff --git a/util/eprintf.c b/util/eprintf.c
	@@ -33,14 +33,27 @@ enprintf(int status, const char *fmt, ...)
	void
	venprintf(int status, const char *fmt, va_list ap)
	{
	- /fprintf(stderr, "%s: ", argv0);/
	-
	vfprintf(stderr, fmt, ap);

	- if(fmt[0] && fmt[strlen(fmt)-1] == ':') {
	+ if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
	fputc(' ', stderr);
	perror(NULL);
	}

	exit(status);
	}
	+
	+void
	+weprintf(const char *fmt, ...)
	+{
	+ va_list ap;
	+
	+ va_start(ap, fmt);
	+ vfprintf(stderr, fmt, ap);
	+ va_end(ap);
	+
	+ if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
	+ fputc(' ', stderr);
	+ perror(NULL);
	+ }
	+}