summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDavid Gibson <david@gibson.dropbear.id.au>2023-02-27 19:13:13 +1100
committerDavid Gibson <david@gibson.dropbear.id.au>2023-02-27 19:18:35 +1100
commite3cde0613bfdd59d525770bc0e15c54e58b08412 (patch)
treeba9aa3c6e5cde783d861d85ad14e73804e5d8eaa
parent41821821101ad8a9f83746b96b163e5bcbdbe804 (diff)
downloaddevice-tree-compiler-e3cde0613bfdd59d525770bc0e15c54e58b08412.tar.gz
Add -Wsuggest-attribute=format warning, correct warnings thus generated
Add this new warning to the default build flags. It suggests adding a ((format)) attribute to xavsprintf_append(), so do that. Suggested-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
-rw-r--r--Makefile3
-rw-r--r--meson.build3
-rw-r--r--util.h2
3 files changed, 5 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index 93938e9..23b4a3c 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,8 @@ ASSUME_MASK ?= 0
CPPFLAGS = -I libfdt -I . -DFDT_ASSUME_MASK=$(ASSUME_MASK)
WARNINGS = -Wall -Wpointer-arith -Wcast-qual -Wnested-externs -Wsign-compare \
- -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wshadow
+ -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wshadow \
+ -Wsuggest-attribute=format
CFLAGS = -g -Os $(SHAREDLIB_CFLAGS) -Werror $(WARNINGS) $(EXTRA_CFLAGS)
BISON = bison
diff --git a/meson.build b/meson.build
index 78251eb..f50cf1e 100644
--- a/meson.build
+++ b/meson.build
@@ -14,7 +14,8 @@ add_project_arguments(
'-Wstrict-prototypes',
'-Wmissing-prototypes',
'-Wredundant-decls',
- '-Wshadow'
+ '-Wshadow',
+ '-Wsuggest-attribute=format',
]),
language: 'c'
)
diff --git a/util.h b/util.h
index 9d38ede..1547707 100644
--- a/util.h
+++ b/util.h
@@ -65,7 +65,7 @@ extern char *xstrndup(const char *s, size_t len);
extern int PRINTF(2, 3) xasprintf(char **strp, const char *fmt, ...);
extern int PRINTF(2, 3) xasprintf_append(char **strp, const char *fmt, ...);
-extern int xavsprintf_append(char **strp, const char *fmt, va_list ap);
+extern int PRINTF(2, 0) xavsprintf_append(char **strp, const char *fmt, va_list ap);
extern char *join_path(const char *path, const char *name);
/**