acpi/acpica/utprint.c

25 acpi_ut_bound_string_length(const char *string, acpi_size count);
27 static char *acpi_ut_bound_string_output(char *string, const char *end, char c);
29 static char *acpi_ut_format_number(char *string,
34 static char *acpi_ut_put_number(char *string, u64 number, u8 base, u8 upper);
40  * PARAMETERS:  string              - String with boundary
41  *              count               - Boundary of the string
43  * RETURN:      Length of the string. Less than or equal to Count.
45  * DESCRIPTION: Calculate the length of a string with boundary.
50 acpi_ut_bound_string_length(const char *string, acpi_size count)
54 	while (*string && count) {
56 		string++;
67  * PARAMETERS:  string              - String with boundary
68  *              end                 - Boundary of the string
69  *              c                   - Character to be output to the string
73  * DESCRIPTION: Output a character into a string with boundary check.
77 static char *acpi_ut_bound_string_output(char *string, const char *end, char c)
80 	if (string < end) {
81 		*string = c;
84 	++string;
85 	return (string);
92  * PARAMETERS:  string              - Buffer to hold reverse-ordered string
99  * DESCRIPTION: Convert an integer into a string, note that, the string holds a
104 static char *acpi_ut_put_number(char *string, u64 number, u8 base, u8 upper)
110 	pos = string;
131  * PARAMETERS:  string              - String buffer
136  * DESCRIPTION: Scan a string for a decimal integer.
140 const char *acpi_ut_scan_number(const char *string, u64 *number_ptr)
144 	while (isdigit((int)*string)) {
146 		number += *(string++) - '0';
150 	return (string);
157  * PARAMETERS:  string              - String buffer
162  * DESCRIPTION: Print a decimal integer into a string.
166 const char *acpi_ut_print_number(char *string, u64 number)
173 	pos2 = string;
180 	return (string);
187  * PARAMETERS:  string              - String buffer with boundary
188  *              end                 - Boundary of the string
197  * DESCRIPTION: Print an integer into a string with any base and any precision.
201 static char *acpi_ut_format_number(char *string,
252 	/* Generate full string in reverse order */
265 	/* Output the string */
269 			string = acpi_ut_bound_string_output(string, end, ' ');
273 		string = acpi_ut_bound_string_output(string, end, sign);
276 		string = acpi_ut_bound_string_output(string, end, '0');
278 			string =
279 			    acpi_ut_bound_string_output(string, end,
285 			string = acpi_ut_bound_string_output(string, end, zero);
290 		string = acpi_ut_bound_string_output(string, end, '0');
293 		string = acpi_ut_bound_string_output(string, end,
297 		string = acpi_ut_bound_string_output(string, end, ' ');
300 	return (string);
307  * PARAMETERS:  string              - String with boundary
308  *              size                - Boundary of the string
314  * DESCRIPTION: Formatted output to a string using argument list pointer.
318 int vsnprintf(char *string, acpi_size size, const char *format, va_list args)
334 	pos = string;
337 		end = string + size;
554 	return ((int)ACPI_PTR_DIFF(pos, string));
561  * PARAMETERS:  string              - String with boundary
562  *              size                - Boundary of the string
567  * DESCRIPTION: Formatted output to a string.
571 int snprintf(char *string, acpi_size size, const char *format, ...)
577 	length = vsnprintf(string, size, format, args);
587  * PARAMETERS:  string              - String with boundary
592  * DESCRIPTION: Formatted output to a string.
596 int sprintf(char *string, const char *format, ...)
602 	length = vsnprintf(string, ACPI_UINT32_MAX, format, args);