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-rw-r--r--tmk_core/common/chibios/printf.c14
-rw-r--r--tmk_core/common/chibios/printf.h6
2 files changed, 12 insertions, 8 deletions
diff --git a/tmk_core/common/chibios/printf.c b/tmk_core/common/chibios/printf.c
index 3a81acd312..17c1e63416 100644
--- a/tmk_core/common/chibios/printf.c
+++ b/tmk_core/common/chibios/printf.c
@@ -96,8 +96,8 @@ static int a2d(char ch) {
return -1;
}
-static char a2i(char ch, char** src, int base, int* nump) {
- char* p = *src;
+static char a2i(char ch, const char** src, int base, int* nump) {
+ const char* p = *src;
int num = 0;
int digit;
while ((digit = a2d(ch)) >= 0) {
@@ -119,7 +119,7 @@ static void putchw(void* putp, putcf putf, int n, char z, char* bf) {
while ((ch = *bf++)) putf(putp, ch);
}
-void tfp_format(void* putp, putcf putf, char* fmt, va_list va) {
+void tfp_format(void* putp, putcf putf, const char* fmt, va_list va) {
// This used to handle max of 12, but binary support jumps this to at least 32
char bf[36];
@@ -211,19 +211,23 @@ void init_printf(void* putp, void (*putf)(void*, char)) {
stdout_putp = putp;
}
-void tfp_printf(char* fmt, ...) {
+int tfp_printf(const char* fmt, ...) {
va_list va;
va_start(va, fmt);
tfp_format(stdout_putp, stdout_putf, fmt, va);
va_end(va);
+
+ return 1;
}
static void putcp(void* p, char c) { *(*((char**)p))++ = c; }
-void tfp_sprintf(char* s, char* fmt, ...) {
+int tfp_sprintf(char* s, const char* fmt, ...) {
va_list va;
va_start(va, fmt);
tfp_format(&s, putcp, fmt, va);
putcp(&s, 0);
va_end(va);
+
+ return 1;
}
diff --git a/tmk_core/common/chibios/printf.h b/tmk_core/common/chibios/printf.h
index 2cdf55ed90..775459e1e8 100644
--- a/tmk_core/common/chibios/printf.h
+++ b/tmk_core/common/chibios/printf.h
@@ -99,10 +99,10 @@ regs Kusti, 23.10.2004
void init_printf(void* putp, void (*putf)(void*, char));
-void tfp_printf(char* fmt, ...);
-void tfp_sprintf(char* s, char* fmt, ...);
+int tfp_printf(const char* fmt, ...);
+int tfp_sprintf(char* s, const char* fmt, ...);
-void tfp_format(void* putp, void (*putf)(void*, char), char* fmt, va_list va);
+void tfp_format(void* putp, void (*putf)(void*, char), const char* fmt, va_list va);
#define printf tfp_printf
#define sprintf tfp_sprintf