test format-patch -s: make sure MIME content type is shown as needed

diff --git a/git-compat-util.h b/git-compat-util.h
index b2ab3f82567d54607a07f4061153adae86854fa9..ca0a597a282328bff9e0e29fd3653dbd656489fb 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -287,6 +287,32 @@ static inline ssize_t xwrite(int fd, const void *buf, size_t len)
        }
 }
 
+static inline int xdup(int fd)
+{
+       int ret = dup(fd);
+       if (ret < 0)
+               die("dup failed: %s", strerror(errno));
+       return ret;
+}
+
+static inline FILE *xfdopen(int fd, const char *mode)
+{
+       FILE *stream = fdopen(fd, mode);
+       if (stream == NULL)
+               die("Out of memory? fdopen failed: %s", strerror(errno));
+       return stream;
+}
+
+static inline int xmkstemp(char *template)
+{
+       int fd;
+
+       fd = mkstemp(template);
+       if (fd < 0)
+               die("Unable to create temporary file: %s", strerror(errno));
+       return fd;
+}
+
 static inline size_t xsize_t(off_t len)
 {
        return (size_t)len;