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vsprintf: move local vars to block local vars and remove unneeded ones

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Cleanup by moving variables closer to the scope where they're used in fact.
Also, remove unneeded ones.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
André Goddard Rosa 2009-12-14 18:00:59 -08:00 committed by Linus Torvalds
parent b5ff992b09
commit d4be151b21
1 changed files with 28 additions and 36 deletions
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64
lib/vsprintf.c
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@ -892,8 +892,8 @@ static char *pointer(const char *fmt, char *buf, char *end, void *ptr,
case 'F':
case 'f':
ptr = dereference_function_descriptor(ptr);
case 's':
/* Fallthrough */
case 's':
case 'S':
return symbol_string(buf, end, ptr, spec, *fmt);
case 'R':
@ -1156,8 +1156,7 @@ static int format_decode(const char *fmt, struct printf_spec *spec)
int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
{
unsigned long long num;
char *str, *end, c;
int read;
char *str, *end;
struct printf_spec spec = {0};
/* Reject out-of-range values early. Large positive sizes are
@ -1176,8 +1175,7 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
while (*fmt) {
const char *old_fmt = fmt;
read = format_decode(fmt, &spec);
int read = format_decode(fmt, &spec);
fmt += read;
@ -1201,7 +1199,9 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
spec.precision = va_arg(args, int);
break;
case FORMAT_TYPE_CHAR:
case FORMAT_TYPE_CHAR: {
char c;
if (!(spec.flags & LEFT)) {
while (--spec.field_width > 0) {
if (str < end)
@ -1220,6 +1220,7 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
++str;
}
break;
}
case FORMAT_TYPE_STR:
str = string(str, end, va_arg(args, char *), spec);
@ -1464,7 +1465,6 @@ int vbin_printf(u32 *bin_buf, size_t size, const char *fmt, va_list args)
{
struct printf_spec spec = {0};
char *str, *end;
int read;
str = (char *)bin_buf;
end = (char *)(bin_buf + size);
@ -1490,12 +1490,14 @@ do { \
} while (0)
while (*fmt) {
read = format_decode(fmt, &spec);
int read = format_decode(fmt, &spec);
fmt += read;
switch (spec.type) {
case FORMAT_TYPE_NONE:
case FORMAT_TYPE_INVALID:
case FORMAT_TYPE_PERCENT_CHAR:
break;
case FORMAT_TYPE_WIDTH:
@ -1528,12 +1530,6 @@ do { \
fmt++;
break;
case FORMAT_TYPE_PERCENT_CHAR:
break;
case FORMAT_TYPE_INVALID:
break;
case FORMAT_TYPE_NRCHARS: {
/* skip %n 's argument */
int qualifier = spec.qualifier;
@ -1606,10 +1602,9 @@ EXPORT_SYMBOL_GPL(vbin_printf);
*/
int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
{
unsigned long long num;
char *str, *end, c;
const char *args = (const char *)bin_buf;
struct printf_spec spec = {0};
char *str, *end;
const char *args = (const char *)bin_buf;
if (WARN_ON_ONCE((int) size < 0))
return 0;
@ -1639,10 +1634,8 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
}
while (*fmt) {
int read;
const char *old_fmt = fmt;
read = format_decode(fmt, &spec);
int read = format_decode(fmt, &spec);
fmt += read;
@ -1666,7 +1659,9 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
spec.precision = get_arg(int);
break;
case FORMAT_TYPE_CHAR:
case FORMAT_TYPE_CHAR: {
char c;
if (!(spec.flags & LEFT)) {
while (--spec.field_width > 0) {
if (str < end)
@ -1684,11 +1679,11 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
++str;
}
break;
}
case FORMAT_TYPE_STR: {
const char *str_arg = args;
size_t len = strlen(str_arg);
args += len + 1;
args += strlen(str_arg) + 1;
str = string(str, end, (char *)str_arg, spec);
break;
}
@ -1700,11 +1695,6 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
break;
case FORMAT_TYPE_PERCENT_CHAR:
if (str < end)
*str = '%';
++str;
break;
case FORMAT_TYPE_INVALID:
if (str < end)
*str = '%';
@ -1715,15 +1705,15 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
/* skip */
break;
default:
default: {
unsigned long long num;
switch (spec.type) {
case FORMAT_TYPE_LONG_LONG:
num = get_arg(long long);
break;
case FORMAT_TYPE_ULONG:
num = get_arg(unsigned long);
break;
case FORMAT_TYPE_LONG:
num = get_arg(unsigned long);
break;
@ -1753,8 +1743,9 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
}
str = number(str, end, num, spec);
}
}
} /* default: */
} /* switch(spec.type) */
} /* while(*fmt) */
if (size > 0) {
if (str < end)
@ -1808,7 +1799,7 @@ int vsscanf(const char *buf, const char *fmt, va_list args)
char digit;
int num = 0;
int qualifier, base, field_width;
int is_sign = 0;
bool is_sign;
while (*fmt && *str) {
/* skip any white space in format */
@ -1864,12 +1855,13 @@ int vsscanf(const char *buf, const char *fmt, va_list args)
}
}
}
base = 10;
is_sign = 0;
if (!*fmt || !*str)
break;
base = 10;
is_sign = 0;
switch (*fmt++) {
case 'c':
{