lsfd: add xstrfappend and xstrvfappend

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

diff --git a/misc-utils/lsfd.h b/misc-utils/lsfd.h
index 7a5034e255459434444aeb89b0babd041e1c7747..8cddc59ef25f06449fc3a8387ddf972962b1a1bd 100644 (file)
--- a/misc-utils/lsfd.h
+++ b/misc-utils/lsfd.h
@@ -284,6 +284,32 @@ static inline void xstrputc(char **a, char c)
        xstrappend(a, b);
 }
 
+static inline
+__attribute__((__format__(printf, 2, 0)))
+int xstrvfappend(char **a, const char *format, va_list ap)
+{
+       int ret = strvfappend(a, format, ap);
+
+       if (ret < 0)
+               err(XALLOC_EXIT_CODE, "cannot allocate string");
+       return ret;
+
+}
+
+static inline
+__attribute__ ((__format__ (__printf__, 2, 3)))
+int xstrfappend(char **a, const char *format, ...)
+{
+       va_list ap;
+       int ret;
+
+       va_start(ap, format);
+       ret = xstrvfappend(a, format, ap);
+       va_end(ap);
+
+       return ret;
+}
+
 /*
  * Net namespace
  */