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Diffstat (limited to 'lib/vsprintf.c')
-rw-r--r--lib/vsprintf.c127
1 files changed, 77 insertions, 50 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index e38a4b7..92a9232 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -18,7 +18,7 @@
#include <errno.h>
#include <common.h>
-#if !defined (CONFIG_PANIC_HANG)
+#if !defined(CONFIG_PANIC_HANG)
#include <command.h>
#endif
@@ -40,9 +40,11 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
return buf;
}
-unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base)
+unsigned long simple_strtoul(const char *cp, char **endp,
+ unsigned int base)
{
- unsigned long result = 0,value;
+ unsigned long result = 0;
+ unsigned long value;
if (*cp == '0') {
cp++;
@@ -50,20 +52,23 @@ unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base)
base = 16;
cp++;
}
- if (!base) {
+
+ if (!base)
base = 8;
- }
}
- if (!base) {
+
+ if (!base)
base = 10;
- }
+
while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
? toupper(*cp) : *cp)-'A'+10) < base) {
result = result*base + value;
cp++;
}
+
if (endp)
*endp = (char *)cp;
+
return result;
}
@@ -91,18 +96,19 @@ int strict_strtoul(const char *cp, unsigned int base, unsigned long *res)
return -EINVAL;
}
-long simple_strtol(const char *cp,char **endp,unsigned int base)
+long simple_strtol(const char *cp, char **endp, unsigned int base)
{
- if(*cp=='-')
- return -simple_strtoul(cp+1,endp,base);
- return simple_strtoul(cp,endp,base);
+ if (*cp == '-')
+ return -simple_strtoul(cp + 1, endp, base);
+
+ return simple_strtoul(cp, endp, base);
}
int ustrtoul(const char *cp, char **endp, unsigned int base)
{
unsigned long result = simple_strtoul(cp, endp, base);
switch (**endp) {
- case 'G' :
+ case 'G':
result *= 1024;
/* fall through */
case 'M':
@@ -121,31 +127,34 @@ int ustrtoul(const char *cp, char **endp, unsigned int base)
return result;
}
-unsigned long long simple_strtoull (const char *cp, char **endp, unsigned int base)
+unsigned long long simple_strtoull(const char *cp, char **endp,
+ unsigned int base)
{
unsigned long long result = 0, value;
if (*cp == '0') {
cp++;
- if ((*cp == 'x') && isxdigit (cp[1])) {
+ if ((*cp == 'x') && isxdigit(cp[1])) {
base = 16;
cp++;
}
- if (!base) {
+
+ if (!base)
base = 8;
- }
}
- if (!base) {
+
+ if (!base)
base = 10;
- }
- while (isxdigit (*cp) && (value = isdigit (*cp)
- ? *cp - '0'
- : (islower (*cp) ? toupper (*cp) : *cp) - 'A' + 10) < base) {
+
+ while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp - '0'
+ : (islower(*cp) ? toupper(*cp) : *cp) - 'A' + 10) < base) {
result = result * base + value;
cp++;
}
+
if (endp)
*endp = (char *) cp;
+
return result;
}
@@ -154,10 +163,11 @@ unsigned long long simple_strtoull (const char *cp, char **endp, unsigned int ba
static int skip_atoi(const char **s)
{
- int i=0;
+ int i = 0;
while (is_digit(**s))
- i = i*10 + *((*s)++) - '0';
+ i = i * 10 + *((*s)++) - '0';
+
return i;
}
@@ -171,7 +181,7 @@ static int skip_atoi(const char **s)
/* Formats correctly any integer in [0,99999].
* Outputs from one to five digits depending on input.
* On i386 gcc 4.1.2 -O2: ~250 bytes of code. */
-static char* put_dec_trunc(char *buf, unsigned q)
+static char *put_dec_trunc(char *buf, unsigned q)
{
unsigned d3, d2, d1, d0;
d1 = (q>>4) & 0xf;
@@ -200,14 +210,14 @@ static char* put_dec_trunc(char *buf, unsigned q)
d3 = d3 - 10*q;
*buf++ = d3 + '0'; /* next digit */
if (q != 0)
- *buf++ = q + '0'; /* most sign. digit */
+ *buf++ = q + '0'; /* most sign. digit */
}
}
}
return buf;
}
/* Same with if's removed. Always emits five digits */
-static char* put_dec_full(char *buf, unsigned q)
+static char *put_dec_full(char *buf, unsigned q)
{
/* BTW, if q is in [0,9999], 8-bit ints will be enough, */
/* but anyway, gcc produces better code with full-sized ints */
@@ -249,7 +259,7 @@ static char* put_dec_full(char *buf, unsigned q)
return buf;
}
/* No inlining helps gcc to use registers better */
-static noinline char* put_dec(char *buf, unsigned NUM_TYPE num)
+static noinline char *put_dec(char *buf, unsigned NUM_TYPE num)
{
while (1) {
unsigned rem;
@@ -286,7 +296,7 @@ static char *number(char *buf, char *end, unsigned NUM_TYPE num,
int base, int size, int precision, int type)
{
/* we are called with base 8, 10 or 16, only, thus don't need "G..." */
- static const char digits[16] = "0123456789ABCDEF"; /* "GHIJKLMNOPQRSTUVWXYZ"; */
+ static const char digits[16] = "0123456789ABCDEF";
char tmp[66];
char sign;
@@ -303,7 +313,7 @@ static char *number(char *buf, char *end, unsigned NUM_TYPE num,
if (type & SIGN) {
if ((signed NUM_TYPE) num < 0) {
sign = '-';
- num = - (signed NUM_TYPE) num;
+ num = -(signed NUM_TYPE) num;
size--;
} else if (type & PLUS) {
sign = '+';
@@ -331,9 +341,13 @@ static char *number(char *buf, char *end, unsigned NUM_TYPE num,
else if (base != 10) { /* 8 or 16 */
int mask = base - 1;
int shift = 3;
- if (base == 16) shift = 4;
+
+ if (base == 16)
+ shift = 4;
+
do {
- tmp[i++] = (digits[((unsigned char)num) & mask] | locase);
+ tmp[i++] = (digits[((unsigned char)num) & mask]
+ | locase);
num >>= shift;
} while (num);
} else { /* base 10 */
@@ -401,7 +415,8 @@ static char *string(char *buf, char *end, char *s, int field_width,
static char *mac_address_string(char *buf, char *end, u8 *addr, int field_width,
int precision, int flags)
{
- char mac_addr[6 * 3]; /* (6 * 2 hex digits), 5 colons and trailing zero */
+ /* (6 * 2 hex digits), 5 colons and trailing zero */
+ char mac_addr[6 * 3];
char *p = mac_addr;
int i;
@@ -419,7 +434,8 @@ static char *mac_address_string(char *buf, char *end, u8 *addr, int field_width,
static char *ip6_addr_string(char *buf, char *end, u8 *addr, int field_width,
int precision, int flags)
{
- char ip6_addr[8 * 5]; /* (8 * 4 hex digits), 7 colons and trailing zero */
+ /* (8 * 4 hex digits), 7 colons and trailing zero */
+ char ip6_addr[8 * 5];
char *p = ip6_addr;
int i;
@@ -438,7 +454,8 @@ static char *ip6_addr_string(char *buf, char *end, u8 *addr, int field_width,
static char *ip4_addr_string(char *buf, char *end, u8 *addr, int field_width,
int precision, int flags)
{
- char ip4_addr[4 * 4]; /* (4 * 3 decimal digits), 3 dots and trailing zero */
+ /* (4 * 3 decimal digits), 3 dots and trailing zero */
+ char ip4_addr[4 * 4];
char temp[3]; /* hold each IP quad in reverse order */
char *p = ip4_addr;
int i, digits;
@@ -549,14 +566,24 @@ static int vsnprintf_internal(char *buf, size_t size, const char *fmt,
/* process flags */
flags = 0;
- repeat:
+repeat:
++fmt; /* this also skips first '%' */
switch (*fmt) {
- case '-': flags |= LEFT; goto repeat;
- case '+': flags |= PLUS; goto repeat;
- case ' ': flags |= SPACE; goto repeat;
- case '#': flags |= SPECIAL; goto repeat;
- case '0': flags |= ZEROPAD; goto repeat;
+ case '-':
+ flags |= LEFT;
+ goto repeat;
+ case '+':
+ flags |= PLUS;
+ goto repeat;
+ case ' ':
+ flags |= SPACE;
+ goto repeat;
+ case '#':
+ flags |= SPECIAL;
+ goto repeat;
+ case '0':
+ flags |= ZEROPAD;
+ goto repeat;
}
/* get field width */
@@ -620,7 +647,7 @@ static int vsnprintf_internal(char *buf, size_t size, const char *fmt,
continue;
case 'p':
- str = pointer(fmt+1, str, end,
+ str = pointer(fmt + 1, str, end,
va_arg(args, void *),
field_width, precision, flags);
/* Skip all alphanumeric pointer suffixes */
@@ -630,10 +657,10 @@ static int vsnprintf_internal(char *buf, size_t size, const char *fmt,
case 'n':
if (qualifier == 'l') {
- long * ip = va_arg(args, long *);
+ long *ip = va_arg(args, long *);
*ip = (str - buf);
} else {
- int * ip = va_arg(args, int *);
+ int *ip = va_arg(args, int *);
*ip = (str - buf);
}
continue;
@@ -700,7 +727,7 @@ static int vsnprintf_internal(char *buf, size_t size, const char *fmt,
*str = '\0';
#endif
/* the trailing null byte doesn't count towards the total */
- return str-buf;
+ return str - buf;
}
#ifdef CONFIG_SYS_VSNPRINTF
@@ -766,29 +793,29 @@ int vsprintf(char *buf, const char *fmt, va_list args)
return vsnprintf_internal(buf, INT_MAX, fmt, args);
}
-int sprintf(char * buf, const char *fmt, ...)
+int sprintf(char *buf, const char *fmt, ...)
{
va_list args;
int i;
va_start(args, fmt);
- i=vsprintf(buf,fmt,args);
+ i = vsprintf(buf, fmt, args);
va_end(args);
return i;
}
void panic(const char *fmt, ...)
{
- va_list args;
+ va_list args;
va_start(args, fmt);
vprintf(fmt, args);
putc('\n');
va_end(args);
-#if defined (CONFIG_PANIC_HANG)
+#if defined(CONFIG_PANIC_HANG)
hang();
#else
- udelay (100000); /* allow messages to go out */
- do_reset (NULL, 0, 0, NULL);
+ udelay(100000); /* allow messages to go out */
+ do_reset(NULL, 0, 0, NULL);
#endif
while (1)
;
generated by cgit v1.1 at 2024-11-26 17:09:59 +0000