libpayload: minor cleanups
Apply some const correctness to const/non-const strings in libc and
libpci (what an ugly cast that was).
Remove duplicated NULL test in printf_putstr(), already done in
print_string() - reduces size of libpayload by a few bytes.
Change-Id: I13f479df13e39d79cab291e9d99d153e1ef43eae
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Reviewed-on: http://review.coreboot.org/849
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>
diff --git a/payloads/libpayload/libc/printf.c b/payloads/libpayload/libc/printf.c
index e3cf8bb..c9a6cca 100644
--- a/payloads/libpayload/libc/printf.c
+++ b/payloads/libpayload/libc/printf.c
@@ -85,8 +85,8 @@
PrintfQualifierPointer,
} qualifier_t;
-static char digits_small[] = "0123456789abcdef";
-static char digits_big[] = "0123456789ABCDEF";
+static const char digits_small[] = "0123456789abcdef";
+static const char digits_big[] = "0123456789ABCDEF";
/**
* Print one or more characters without adding newline.
@@ -109,18 +109,9 @@
* @param ps Write function specification and support data.
* @return Number of characters printed.
*/
-static int printf_putstr(const char *str, struct printf_spec *ps)
+static inline int printf_putstr(const char *str, struct printf_spec *ps)
{
- size_t count;
-
- if (str == NULL) {
- const char *nullstr = "(NULL)";
- return printf_putnchars(nullstr, strlen(nullstr), ps);
- }
-
- count = strlen(str);
-
- return ps->write((void *)str, count, ps->data);
+ return printf_putnchars(str, strlen(str), ps);
}
/**
@@ -228,7 +219,7 @@
static int print_number(uint64_t num, int width, int precision, int base,
uint64_t flags, struct printf_spec *ps)
{
- char *digits = digits_small;
+ const char *digits = digits_small;
char d[PRINT_NUMBER_BUFFER_SIZE];
char *ptr = &d[PRINT_NUMBER_BUFFER_SIZE - 1];
int size = 0; /* Size of number with all prefixes and signs. */