unflatten: [nfc] remove mode argument to openFile

This function is only ever called with mode "w". This is the equivalent of
21a6f2e2f7e8a377977c7bdad1356591a25d516f for unflatten.

diff --git a/cmd/tools/unflatten.c b/cmd/tools/unflatten.c
index 078d2b4d9da3b869b2255b1b2205c67a8f9a8147..e3e9be61ff44defc5eef25db2e9d8c8b2c558668 100644 (file)
--- a/cmd/tools/unflatten.c
+++ b/cmd/tools/unflatten.c
@@ -145,19 +145,13 @@ static void usage(int v)
     exit(v);
 }
 
-static FILE *openFile(const char *name, const char *mode)
+static FILE *openFile(const char *name)
 {
     FILE *fp;
-    char *modestr;
 
-    fp = fopen(name, mode);
+    fp = fopen(name, "w");
     if (!fp) {
-       if (*mode == 'r')
-           modestr = "reading";
-       else
-           modestr = "writing";
-       fprintf(stderr, "%s: could not open file %s for %s\n",
-               cmd, name, modestr);
+       fprintf(stderr, "%s: could not open file %s for writing\n", cmd, name);
        exit(-1);
     }
     return fp;
@@ -187,7 +181,7 @@ static char **scanargs(int argc, char **argv)
        case 'o':
            if (outFile != NULL)
                fclose(outFile);
-           outFile = openFile(optarg, "w");
+           outFile = openFile(optarg);
            break;
        case '?':
            if (optopt == '?')