Refactor merge strategies into separate includable file.

diff --git a/init-db.c b/init-db.c
index ca6fa4d4200faaf208e5c6c5af5f009cc4432a09..bd88291b0efd3eb9c46195d413db1aba820db2dd 100644 (file)
--- a/init-db.c
+++ b/init-db.c
@@ -21,7 +21,7 @@ static void safe_create_dir(const char *dir)
 
 static int copy_file(const char *dst, const char *src, int mode)
 {
-       int fdi, fdo;
+       int fdi, fdo, status;
 
        mode = (mode & 0111) ? 0777 : 0666;
        if ((fdi = open(src, O_RDONLY)) < 0)
@@ -30,30 +30,9 @@ static int copy_file(const char *dst, const char *src, int mode)
                close(fdi);
                return fdo;
        }
-       while (1) {
-               char buf[BUFSIZ];
-               ssize_t leni, leno, ofs;
-               leni = read(fdi, buf, sizeof(buf));
-               if (leni < 0) {
-               error_return:
-                       close(fdo);
-                       close(fdi);
-                       return -1;
-               }
-               if (!leni)
-                       break;
-               ofs = 0;
-               do {
-                       leno = write(fdo, buf+ofs, leni);
-                       if (leno < 0)
-                               goto error_return;
-                       leni -= leno;
-                       ofs += leno;
-               } while (0 < leni);
-       }
+       status = copy_fd(fdi, fdo);
        close(fdo);
-       close(fdi);
-       return 0;
+       return status;
 }
 
 static void copy_templates_1(char *path, int baselen,