ubase

commit 6df1301594433963840b29d6ae42fb6de4b056c8
parent f7a4849ded9292fce96bcd3afe7ff63c4834b763
Author: sin <sin@2f30.org>
Date:   Wed, 12 Mar 2014 16:18:29 +0200

Add weprintf()

Diffstat:
M
util.h
 | 
1
+
M
util/eprintf.c
 | 
17
+++++++++++++++++

2 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/util.h b/util.h
@@ -19,3 +19,4 @@ size_t strlcat(char *, const char *, size_t);
 #undef strlcpy
 size_t strlcpy(char *, const char *, size_t);
 char *ttytostr(int, int);
+void weprintf(const char *, ...);
diff --git a/util/eprintf.c b/util/eprintf.c
@@ -44,3 +44,20 @@ venprintf(int status, const char *fmt, va_list ap)
 
 	exit(status);
 }
+
+void
+weprintf(const char *fmt, ...)
+{
+	va_list ap;
+
+	fprintf(stderr, "%s: ", argv0);
+
+	va_start(ap, fmt);
+	vfprintf(stderr, fmt, ap);
+	va_end(ap);
+
+	if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
+		fputc(' ', stderr);
+		perror(NULL);
+	}
+}