[v2,7/7] sim/rl78: Add ATTRIBUTE_PRINTF

Message ID 2aac034d35de9521a007691659eec85a982fb54d.1665038133.git.research_trasio@irq.a4lg.com
State Committed
Commit e9a433bf192ddcadc7e948ef3b4e0ca64f3396e7
Series sim, sim/ARCH: Add ATTRIBUTE_PRINTF |

Commit Message

Tsukasa OI Oct. 6, 2022, 6:36 a.m. UTC
  Clang generates a warning if the format string of a printf-like function is
not a literal ("-Wformat-nonliteral").  On the default configuration, it
causes a build failure (unless "--disable-werror" is specified).

To avoid warnings on the printf-like wrapper, it requires proper
__attribute__((format)) and we have ATTRIBUTE_PRINTF macro for this reason.

This commit adds ATTRIBUTE_PRINTF to the printf-like functions.
 sim/rl78/trace.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)


diff --git a/sim/rl78/trace.c b/sim/rl78/trace.c
index 669c2b54615..85880774b14 100644
--- a/sim/rl78/trace.c
+++ b/sim/rl78/trace.c
@@ -92,7 +92,7 @@  compare_symbols (const void *ap, const void *bp)
 static char opbuf[1000];
-static int
+static int ATTRIBUTE_PRINTF (2, 3)
 op_printf (char *buf, char *fmt, ...)
   int ret;
@@ -104,7 +104,7 @@  op_printf (char *buf, char *fmt, ...)
   return ret;
-static int
+static int ATTRIBUTE_PRINTF (3, 4)
 op_styled_printf (char *buf, enum disassembler_style style, char *fmt, ...)
   int ret;