aboutsummaryrefslogtreecommitdiff
path: root/gcc
diff options
context:
space:
mode:
Diffstat (limited to 'gcc')
-rw-r--r--gcc/c-decl.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index 680f226..901d0d9 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -466,6 +466,12 @@ int warn_write_strings;
int warn_cast_qual;
+/* Nonzero means warn when casting a function call to a type that does
+ not match the return type (e.g. (float)sqrt() or (anything*)malloc()
+ when there is no previous declaration of sqrt or malloc. */
+
+int warn_bad_function_cast;
+
/* Warn about traditional constructs whose meanings changed in ANSI C. */
int warn_traditional;
@@ -621,6 +627,10 @@ c_decode_option (p)
warn_cast_qual = 1;
else if (!strcmp (p, "-Wno-cast-qual"))
warn_cast_qual = 0;
+ else if (!strcmp (p, "-Wbad-function-cast"))
+ warn_bad_function_cast = 1;
+ else if (!strcmp (p, "-Wno-bad-function-cast"))
+ warn_bad_function_cast = 0;
else if (!strcmp (p, "-Wpointer-arith"))
warn_pointer_arith = 1;
else if (!strcmp (p, "-Wno-pointer-arith"))