libc: split up large .c files, slimming down small binaries a bit

1 files changed, 28 insertions, 0 deletions

diff --git a/src/libc/stdio/sprintf.c b/src/libc/stdio/sprintf.c
new file mode 100644
index 0000000..0bfbb17
--- /dev/null
+++ b/src/libc/stdio/sprintf.c
@@ -0,0 +1,28 @@
+#include <camellia/syscalls.h>
+#include <shared/mem.h>
+#include <shared/printf.h>
+#include <stdio.h>
+
+int sprintf(char *restrict s, const char *restrict fmt, ...) {
+	int ret;
+	va_list argp;
+	va_start(argp, fmt);
+	ret = vsnprintf(s, ~0, fmt, argp);
+	va_end(argp);
+	return ret;
+}
+
+int vsprintf(char *restrict s, const char *restrict fmt, va_list ap) {
+	return vsnprintf(s, ~0, fmt, ap);
+}
+
+int _klogf(const char *fmt, ...) {
+	char buf[256];
+	int ret;
+	va_list argp;
+	va_start(argp, fmt);
+	ret = vsnprintf(buf, sizeof buf, fmt, argp);
+	va_end(argp);
+	_sys_debug_klog(buf, ret);
+	return ret;
+}