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.godd...@gmail.com>
Acked-by: Frederic Weisbecker <fweis...@gmail.com>
---
lib/vsprintf.c | 64 ++++++++++++++++++++++++-------------------------------
1 files changed, 28 insertions(+), 36 deletions(-)
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index af79152..f703fdf 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -842,8 +842,8 @@ 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':
@@ -1105,8 +1105,7 @@ qualifier:
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
@@ -1125,8 +1124,7 @@ 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;
@@ -1150,7 +1148,9 @@ 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)
@@ -1169,6 +1169,7 @@ 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);
@@ -1413,7 +1414,6 @@ 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);
@@ -1439,12 +1439,14 @@ 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:
@@ -1478,12 +1480,6 @@ 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;
@@ -1556,10 +1552,9 @@ 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;
@@ -1589,10 +1584,8 @@ 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;
@@ -1616,7 +1609,9 @@ 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)
@@ -1634,11 +1629,11 @@ 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;
}
@@ -1650,11 +1645,6 @@ 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 = '%';
@@ -1665,15 +1655,15 @@ 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;
@@ -1703,8 +1693,9 @@ 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)
@@ -1758,7 +1749,7 @@ 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 */
@@ -1814,12 +1805,13 @@ 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':
{
--
1.6.5.2.153.g6e31f.dirty
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