check-ignore: the name of the character is NUL, not NULL

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/check-ignore.c b/builtin/check-ignore.c
index 0240f99b57a2f81320b84951bf6dc89ab60d6282..be22bce9118df7e2e08329fb1e2a2485d886503e 100644 (file)
--- a/builtin/check-ignore.c
+++ b/builtin/check-ignore.c
@@ -12,7 +12,7 @@ static const char * const check_ignore_usage[] = {
 NULL
 };
 
-static int null_term_line;
+static int nul_term_line;
 
 static const struct option check_ignore_options[] = {
        OPT__QUIET(&quiet, N_("suppress progress reporting")),
@@ -20,8 +20,8 @@ static const struct option check_ignore_options[] = {
        OPT_GROUP(""),
        OPT_BOOLEAN(0, "stdin", &stdin_paths,
                    N_("read file names from stdin")),
-       OPT_BOOLEAN('z', NULL, &null_term_line,
-                   N_("input paths are terminated by a null character")),
+       OPT_BOOLEAN('z', NULL, &nul_term_line,
+                   N_("input paths are terminated by a NUL character")),
        OPT_END()
 };
 
@@ -29,7 +29,7 @@ static void output_exclude(const char *path, struct exclude *exclude)
 {
        char *bang  = exclude->flags & EXC_FLAG_NEGATIVE  ? "!" : "";
        char *slash = exclude->flags & EXC_FLAG_MUSTBEDIR ? "/" : "";
-       if (!null_term_line) {
+       if (!nul_term_line) {
                if (!verbose) {
                        write_name_quoted(path, stdout, '\n');
                } else {
@@ -111,7 +111,7 @@ static int check_ignore_stdin_paths(const char *prefix)
        struct strbuf buf, nbuf;
        char **pathspec = NULL;
        size_t nr = 0, alloc = 0;
-       int line_termination = null_term_line ? 0 : '\n';
+       int line_termination = nul_term_line ? 0 : '\n';
        int num_ignored;
 
        strbuf_init(&buf, 0);
@@ -150,7 +150,7 @@ int cmd_check_ignore(int argc, const char **argv, const char *prefix)
                if (argc > 0)
                        die(_("cannot specify pathnames with --stdin"));
        } else {
-               if (null_term_line)
+               if (nul_term_line)
                        die(_("-z only makes sense with --stdin"));
                if (argc == 0)
                        die(_("no path specified"));