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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>
This commit is contained in:
Mathias Krause 2012-04-03 20:42:01 +02:00 committed by Stefan Reinauer
parent f17789c4ff
commit 67997d330d
2 changed files with 6 additions and 15 deletions
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19
payloads/libpayload/libc/printf.c
View File

@ -85,8 +85,8 @@ typedef enum {
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 @@ static int printf_putnchars(const char *buf, size_t count,
* @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_string(char *s, int width, unsigned int precision,
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. */

2
payloads/libpayload/libpci/libpci.c
View File

@ -96,7 +96,7 @@ void pci_filter_init(struct pci_access* pacc, struct pci_filter* pf)
pf->device = -1;
}
static char *invalid_pci_device_string = (char *)"invalid pci device string";
static char invalid_pci_device_string[] = "invalid pci device string";
/* parse domain:bus:dev.func (with all components but "dev" optional)
* into filter.