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ACPICA: utprint/oslibcfs: cleanup - no functional change 

Some cleanup and comment update.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore 2014-07-08 10:08:13 +08:00 коммит произвёл Rafael J. Wysocki
Родитель c04691292f
Коммит ff2389fe66
2 изменённых файлов: 43 добавлений и 31 удалений
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44
drivers/acpi/acpica/utprint.c
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@ -67,6 +67,11 @@ static char *acpi_ut_format_number(char *string,
static char *acpi_ut_put_number(char *string, u64 number, u8 base, u8 upper);
/* Module globals */
static const char acpi_gbl_lower_hex_digits[] = "0123456789abcdef";
static const char acpi_gbl_upper_hex_digits[] = "0123456789ABCDEF";
/*******************************************************************************
*
* FUNCTION: acpi_ut_bound_string_length
@ -74,7 +79,7 @@ static char *acpi_ut_put_number(char *string, u64 number, u8 base, u8 upper);
* PARAMETERS: string - String with boundary
* count - Boundary of the string
*
* RETURN: Length of the string.
* RETURN: Length of the string. Less than or equal to Count.
*
* DESCRIPTION: Calculate the length of a string with boundary.
*
@ -114,8 +119,8 @@ static char *acpi_ut_bound_string_output(char *string, const char *end, char c)
if (string < end) {
*string = c;
}
++string;
++string;
return (string);
}
@ -137,14 +142,12 @@ static char *acpi_ut_bound_string_output(char *string, const char *end, char c)
static char *acpi_ut_put_number(char *string, u64 number, u8 base, u8 upper)
{
const char lower_digits[] = "0123456789abcdef";
const char upper_digits[] = "0123456789ABCDEF";
const char *digits;
u64 digit_index;
char *pos;
pos = string;
digits = upper ? upper_digits : lower_digits;
digits = upper ? acpi_gbl_upper_hex_digits : acpi_gbl_lower_hex_digits;
if (number == 0) {
*(pos++) = '0';
@ -155,8 +158,8 @@ static char *acpi_ut_put_number(char *string, u64 number, u8 base, u8 upper)
*(pos++) = digits[digit_index];
}
}
/* *(Pos++) = '0'; */
/* *(Pos++) = '0'; */
return (pos);
}
@ -181,8 +184,8 @@ const char *acpi_ut_scan_number(const char *string, u64 *number_ptr)
number *= 10;
number += *(string++) - '0';
}
*number_ptr = number;
*number_ptr = number;
return (string);
}
@ -211,8 +214,8 @@ const char *acpi_ut_print_number(char *string, u64 number)
while (pos1 != ascii_string) {
*(pos2++) = *(--pos1);
}
*pos2 = 0;
*pos2 = 0;
return (string);
}
@ -246,11 +249,12 @@ static char *acpi_ut_format_number(char *string,
s32 i;
char reversed_string[66];
/* Perform sanity checks */
/* Parameter validation */
if (base < 2 || base > 16) {
return NULL;
return (NULL);
}
if (type & ACPI_FORMAT_LEFT) {
type &= ~ACPI_FORMAT_ZERO;
}
@ -294,6 +298,7 @@ static char *acpi_ut_format_number(char *string,
if (i > precision) {
precision = i;
}
width -= precision;
/* Output the string */
@ -318,6 +323,7 @@ static char *acpi_ut_format_number(char *string,
string = acpi_ut_bound_string_output(string, end, zero);
}
}
while (i <= --precision) {
string = acpi_ut_bound_string_output(string, end, '0');
}
@ -341,7 +347,7 @@ static char *acpi_ut_format_number(char *string,
* format - Standard printf format
* args - Argument list
*
* RETURN: Size of successfully output bytes
* RETURN: Number of bytes actually written.
*
* DESCRIPTION: Formatted output to a string using argument list pointer.
*
@ -428,6 +434,7 @@ acpi_ut_vsnprintf(char *string,
if (*format == 'h' || *format == 'l' || *format == 'L') {
qualifier = *format;
++format;
if (qualifier == 'l' && *format == 'l') {
qualifier = 'L';
++format;
@ -450,8 +457,10 @@ acpi_ut_vsnprintf(char *string,
' ');
}
}
c = (char)va_arg(args, int);
pos = acpi_ut_bound_string_output(pos, end, c);
while (--width > 0) {
pos =
acpi_ut_bound_string_output(pos, end, ' ');
@ -512,10 +521,11 @@ acpi_ut_vsnprintf(char *string,
width = 2 * sizeof(void *);
type |= ACPI_FORMAT_ZERO;
}
p = va_arg(args, void *);
pos = acpi_ut_format_number(pos, end,
ACPI_TO_INTEGER(p),
16, width, precision, type);
ACPI_TO_INTEGER(p), 16,
width, precision, type);
continue;
default:
@ -552,6 +562,7 @@ acpi_ut_vsnprintf(char *string,
number = (signed int)number;
}
}
pos = acpi_ut_format_number(pos, end, number, base,
width, precision, type);
}
@ -575,7 +586,7 @@ acpi_ut_vsnprintf(char *string,
* size - Boundary of the string
* Format, ... - Standard printf format
*
* RETURN: Size of successfully output bytes
* RETURN: Number of bytes actually written.
*
* DESCRIPTION: Formatted output to a string.
*
@ -602,7 +613,7 @@ int acpi_ut_snprintf(char *string, acpi_size size, const char *format, ...)
* format - Standard printf format
* args - Argument list
*
* RETURN: Size of successfully output bytes
* RETURN: Number of bytes actually written.
*
* DESCRIPTION: Formatted output to a file using argument list pointer.
*
@ -616,6 +627,7 @@ int acpi_ut_file_vprintf(ACPI_FILE file, const char *format, va_list args)
flags = acpi_os_acquire_lock(acpi_gbl_print_lock);
length = acpi_ut_vsnprintf(acpi_gbl_print_buffer,
sizeof(acpi_gbl_print_buffer), format, args);
(void)acpi_os_write_file(file, acpi_gbl_print_buffer, length, 1);
acpi_os_release_lock(acpi_gbl_print_lock, flags);
@ -629,7 +641,7 @@ int acpi_ut_file_vprintf(ACPI_FILE file, const char *format, va_list args)
* PARAMETERS: file - File descriptor
* Format, ... - Standard printf format
*
* RETURN: Size of successfully output bytes
* RETURN: Number of bytes actually written.
*
* DESCRIPTION: Formatted output to a file.
*

30
tools/power/acpi/os_specific/service_layers/oslibcfs.c
Просмотреть файл

@ -1,6 +1,6 @@
/******************************************************************************
*
* Module Name: oslibcfs - C library OSL for file IO
* Module Name: oslibcfs - C library OSL for file I/O
*
*****************************************************************************/
@ -64,8 +64,8 @@ ACPI_MODULE_NAME("oslibcfs")
ACPI_FILE acpi_os_open_file(const char *path, u8 modes)
{
ACPI_FILE file;
char modes_str[4];
u32 i = 0;
char modes_str[4];
if (modes & ACPI_FILE_READING) {
modes_str[i++] = 'r';
@ -76,6 +76,7 @@ ACPI_FILE acpi_os_open_file(const char *path, u8 modes)
if (modes & ACPI_FILE_BINARY) {
modes_str[i++] = 'b';
}
modes_str[i++] = '\0';
file = fopen(path, modes_str);
@ -90,11 +91,11 @@ ACPI_FILE acpi_os_open_file(const char *path, u8 modes)
*
* FUNCTION: acpi_os_close_file
*
* PARAMETERS: file - File descriptor
* PARAMETERS: file - An open file descriptor
*
* RETURN: None.
*
* DESCRIPTION: Close a file.
* DESCRIPTION: Close a file opened via acpi_os_open_file.
*
******************************************************************************/
@ -107,14 +108,14 @@ void acpi_os_close_file(ACPI_FILE file)
*
* FUNCTION: acpi_os_read_file
*
* PARAMETERS: file - File descriptor
* PARAMETERS: file - An open file descriptor
* buffer - Data buffer
* size - Data block size
* count - Number of data blocks
*
* RETURN: Size of successfully read buffer.
* RETURN: Number of bytes actually read.
*
* DESCRIPTION: Read a file.
* DESCRIPTION: Read from a file.
*
******************************************************************************/
@ -135,14 +136,14 @@ acpi_os_read_file(ACPI_FILE file, void *buffer, acpi_size size, acpi_size count)
*
* FUNCTION: acpi_os_write_file
*
* PARAMETERS: file - File descriptor
* PARAMETERS: file - An open file descriptor
* buffer - Data buffer
* size - Data block size
* count - Number of data blocks
*
* RETURN: Size of successfully written buffer.
* RETURN: Number of bytes actually written.
*
* DESCRIPTION: Write a file.
* DESCRIPTION: Write to a file.
*
******************************************************************************/
@ -164,9 +165,9 @@ acpi_os_write_file(ACPI_FILE file,
*
* FUNCTION: acpi_os_get_file_offset
*
* PARAMETERS: file - File descriptor
* PARAMETERS: file - An open file descriptor
*
* RETURN: Size of current position.
* RETURN: Current file pointer position.
*
* DESCRIPTION: Get current file offset.
*
@ -177,7 +178,6 @@ long acpi_os_get_file_offset(ACPI_FILE file)
long offset;
offset = ftell(file);
return (offset);
}
@ -185,8 +185,8 @@ long acpi_os_get_file_offset(ACPI_FILE file)
*
* FUNCTION: acpi_os_set_file_offset
*
* PARAMETERS: file - File descriptor
* offset - File offset
* PARAMETERS: file - An open file descriptor
* offset - New file offset
* from - From begin/end of file
*
* RETURN: Status