Merge branch 'ls/p4-changes-block-size'
[gitweb.git] / wrapper.c
index d5a6cef2be0fb13b262bed2e0b58bd58fbb5454d..c1a663fd592133b3e26314f3d598a8bca8bcceb1 100644 (file)
--- a/wrapper.c
+++ b/wrapper.c
@@ -564,3 +564,34 @@ char *xgetcwd(void)
                die_errno(_("unable to get current working directory"));
        return strbuf_detach(&sb, NULL);
 }
+
+int write_file(const char *path, int fatal, const char *fmt, ...)
+{
+       struct strbuf sb = STRBUF_INIT;
+       va_list params;
+       int fd = open(path, O_RDWR | O_CREAT | O_TRUNC, 0666);
+       if (fd < 0) {
+               if (fatal)
+                       die_errno(_("could not open %s for writing"), path);
+               return -1;
+       }
+       va_start(params, fmt);
+       strbuf_vaddf(&sb, fmt, params);
+       va_end(params);
+       if (write_in_full(fd, sb.buf, sb.len) != sb.len) {
+               int err = errno;
+               close(fd);
+               strbuf_release(&sb);
+               errno = err;
+               if (fatal)
+                       die_errno(_("could not write to %s"), path);
+               return -1;
+       }
+       strbuf_release(&sb);
+       if (close(fd)) {
+               if (fatal)
+                       die_errno(_("could not close %s"), path);
+               return -1;
+       }
+       return 0;
+}