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-rw-r--r--argv-array.h2
-rw-r--r--builtin/revert.c4
-rw-r--r--exec_cmd.h2
-rw-r--r--git-compat-util.h7
-rw-r--r--run-command.h2
5 files changed, 12 insertions, 5 deletions
diff --git a/argv-array.h b/argv-array.h
index e805748..85ba438 100644
--- a/argv-array.h
+++ b/argv-array.h
@@ -15,7 +15,7 @@ void argv_array_init(struct argv_array *);
void argv_array_push(struct argv_array *, const char *);
__attribute__((format (printf,2,3)))
void argv_array_pushf(struct argv_array *, const char *fmt, ...);
-__attribute__((sentinel))
+LAST_ARG_MUST_BE_NULL
void argv_array_pushl(struct argv_array *, ...);
void argv_array_pop(struct argv_array *);
void argv_array_clear(struct argv_array *);
diff --git a/builtin/revert.c b/builtin/revert.c
index b8b5174..1d2648b 100644
--- a/builtin/revert.c
+++ b/builtin/revert.c
@@ -54,7 +54,7 @@ static int option_parse_x(const struct option *opt,
return 0;
}
-__attribute__((sentinel))
+LAST_ARG_MUST_BE_NULL
static void verify_opt_compatible(const char *me, const char *base_opt, ...)
{
const char *this_opt;
@@ -71,7 +71,7 @@ static void verify_opt_compatible(const char *me, const char *base_opt, ...)
die(_("%s: %s cannot be used with %s"), me, this_opt, base_opt);
}
-__attribute__((sentinel))
+LAST_ARG_MUST_BE_NULL
static void verify_opt_mutually_compatible(const char *me, ...)
{
const char *opt1, *opt2 = NULL;
diff --git a/exec_cmd.h b/exec_cmd.h
index 307b55c..e4c9702 100644
--- a/exec_cmd.h
+++ b/exec_cmd.h
@@ -7,7 +7,7 @@ extern const char *git_exec_path(void);
extern void setup_path(void);
extern const char **prepare_git_cmd(const char **argv);
extern int execv_git_cmd(const char **argv); /* NULL terminated */
-__attribute__((sentinel))
+LAST_ARG_MUST_BE_NULL
extern int execl_git_cmd(const char *cmd, ...);
extern const char *system_path(const char *path);
diff --git a/git-compat-util.h b/git-compat-util.h
index e955bb5..10e3ba6 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -295,6 +295,13 @@ extern char *gitbasename(char *);
#endif
#endif
+/* The sentinel attribute is valid from gcc version 4.0 */
+#if defined(__GNUC__) && (__GNUC__ >= 4)
+#define LAST_ARG_MUST_BE_NULL __attribute__((sentinel))
+#else
+#define LAST_ARG_MUST_BE_NULL
+#endif
+
#include "compat/bswap.h"
#ifdef USE_WILDMATCH
diff --git a/run-command.h b/run-command.h
index 0a47679..6b985af 100644
--- a/run-command.h
+++ b/run-command.h
@@ -46,7 +46,7 @@ int finish_command(struct child_process *);
int run_command(struct child_process *);
extern char *find_hook(const char *name);
-__attribute__((sentinel))
+LAST_ARG_MUST_BE_NULL
extern int run_hook(const char *index_file, const char *name, ...);
#define RUN_COMMAND_NO_STDIN 1