unlink outfile first

file mode problem if the outfile already exists
2011-03-03 21:09:18 +08:00 · 2011-03-03 21:09:18 +08:00 · c27e76aa2a
parent c93eca4fe4
commit c27e76aa2a
1 changed files with 1 additions and 0 deletions
--- a/tccelf.c
+++ b/tccelf.c
@ -2086,6 +2086,7 @@ static int elf_output_file(TCCState *s1, const char *filename)
        mode = 0666;
    else
        mode = 0777;
+    unlink(filename);
    fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, mode); 
    if (fd < 0) {
        error_noabort("could not write '%s'", filename);