Subject: [PATCH 02/41] usage.c: add warning_errno() and error_errno()

From: Nguyễn Thái Ngọc Duy <[email-masked]>
Date: Sun, 1 May 2016 18:14:18 +0700

Similar to die_errno(), these functions will append strerror()
automatically.

Signed-off-by: Nguyễn Thái Ngọc Duy <[email-masked]>
---
 git-compat-util.h |  2 ++
 usage.c           | 19 +++++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/git-compat-util.h b/git-compat-util.h
index 1f8b5f3..49d4029 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -409,7 +409,9 @@ extern NORETURN void usagef(const char *err, ...) __attribute__((format (printf,
 extern NORETURN void die(const char *err, ...) __attribute__((format (printf, 1, 2)));
 extern NORETURN void die_errno(const char *err, ...) __attribute__((format (printf, 1, 2)));
 extern int error(const char *err, ...) __attribute__((format (printf, 1, 2)));
+extern int error_errno(const char *err, ...) __attribute__((format (printf, 1, 2)));
 extern void warning(const char *err, ...) __attribute__((format (printf, 1, 2)));
+extern void warning_errno(const char *err, ...) __attribute__((format (printf, 1, 2)));
 
 #ifndef NO_OPENSSL
 #ifdef APPLE_COMMON_CRYPTO
diff --git a/usage.c b/usage.c
index 0dba0c5..af1b7d1 100644
--- a/usage.c
+++ b/usage.c
@@ -148,6 +148,16 @@ void NORETURN die_errno(const char *fmt, ...)
 	va_end(params);
 }
 
+int error_errno(const char *fmt, ...)
+{
+	va_list params;
+
+	va_start(params, fmt);
+	error_routine(fmt_with_err(fmt), params);
+	va_end(params);
+	return -1;
+}
+
 #undef error
 int error(const char *err, ...)
 {
@@ -159,6 +169,15 @@ int error(const char *err, ...)
 	return -1;
 }
 
+void warning_errno(const char *warn, ...)
+{
+	va_list params;
+
+	va_start(params, warn);
+	warn_routine(fmt_with_err(warn), params);
+	va_end(params);
+}
+
 void warning(const char *warn, ...)
 {
 	va_list params;
-- 
2.8.0.rc0.210.gd302cd2