mirror of
https://github.com/drasko/open-ameba.git
synced 2024-12-01 02:30:35 +00:00
915 lines
16 KiB
C
915 lines
16 KiB
C
/*
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this is the c lib patch, It can help when the clib provided by IAR
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does not work well.
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How to use this:
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1.You must include platform_stdlib.h in you source file。
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2.There is a macro USE_CLIB_PATCH in platform_stdlib.h should be opened.
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If there is some problems using this patch,
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You'd better check if you code runs into these functions:
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DiagSscanfPatch
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DiagStrtokPatch
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DiagStrstrPatch
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DiagSnPrintfPatch
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DiagPrintfPatch
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DiagSPrintfPatch
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DiagPrintfPatch
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DiagSPrintfPatch
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DiagSnPrintfPatch
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DiagStrstrPatch
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DiagStrtokPatch
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*/
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#ifndef CONFIG_PLATFORM_8711B
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#include <stdarg.h>
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#define DiagPutChar HalSerialPutcRtl8195a
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#define IN
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#define NULL 0
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typedef unsigned int size_t;
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typedef unsigned int SIZE_T;
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typedef unsigned long long u64;
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typedef unsigned int u32;
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typedef unsigned short int u16;
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typedef unsigned char u8;
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typedef signed long long s64;
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typedef signed int s32;
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typedef signed short int s16;
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typedef unsigned char bool;
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extern u8 txt0123456789ABCDEF[16];
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#define tab0123456789ABCDEF txt0123456789ABCDEF // = "0123456789ABCDEF"
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#define in_range(c, lo, up) ((u8)c >= lo && (u8)c <= up)
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#define isprint(c) in_range(c, 0x20, 0x7f)
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#define isdigit(c) in_range(c, '0', '9')
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#define isxdigit(c) (isdigit(c) || in_range(c, 'a', 'f') || in_range(c, 'A', 'F'))
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#define islower(c) in_range(c, 'a', 'z')
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#define isspace(c) (c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' || c == '\v' || c == ',')
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#define ULLONG_MAX (~0ULL)
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#define USHRT_MAX ((u16)(~0U))
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#define KSTRTOX_OVERFLOW (1U << 31)
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#define SHRT_MAX ((s16)(USHRT_MAX>>1))
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static inline char _tolower(const char c)
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{
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return c | 0x20;
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}
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extern s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder);
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extern s64 div_s64(s64 dividend, s32 divisor);
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extern inline char _tolower(const char c);
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extern u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder);
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extern u64 div_u64(u64 dividend, u32 divisor);
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extern unsigned int _parse_integer(const char *s, unsigned int base, unsigned long long *p);
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extern const char *_parse_integer_fixup_radix(const char *s, unsigned int *base);
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extern char *skip_spaces(const char *str);
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extern int skip_atoi(const char **s);
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extern void HalSerialPutcRtl8195a(u8 c);
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static unsigned long long simple_strtoull_patch(const char *cp, char **endp, unsigned int base)
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{
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unsigned long long result;
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unsigned int rv;
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cp = _parse_integer_fixup_radix(cp, &base);
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rv = _parse_integer(cp, base, &result);
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return result;
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}
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static long long simple_strtoll_patch(const char *cp, char **endp, unsigned int base)
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{
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if(*cp == '-')
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return -simple_strtoull_patch(cp + 1, endp, base);
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return simple_strtoull_patch(cp, endp, base);
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}
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static unsigned long simple_strtoul_patch(const char *cp, char **endp, unsigned int base)
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{
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return simple_strtoull_patch(cp, endp, base);
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}
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static long simple_strtol_patch(const char *cp, char **endp, unsigned int base)
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{
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if(*cp == '-')
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return -simple_strtoul_patch(cp + 1, endp, base);
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return simple_strtoul_patch(cp, endp, base);
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}
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static int judge_digit_width(const char *str)
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{
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int width = 0;
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while(isdigit(*str)) {
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width++;
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str++;
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}
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return width;
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}
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static int _vsscanf_patch(const char *buf, const char *fmt, va_list args)
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{
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const char *str = buf;
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char *next;
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char digit;
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int num = 0;
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int i =0;
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u8 qualifier;
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unsigned int base;
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union {
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long long s;
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unsigned long long u;
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} val;
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s16 field_width;
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bool is_sign;
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char str_store[20] = {0};
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while(*fmt) {
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/* skip any white space in format */
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/* white space in format matchs any amount of
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* white space, including none, in the input.
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*/
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if(isspace(*fmt)) {
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fmt = skip_spaces(++fmt);
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str = skip_spaces(str);
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}
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/* anything that is not a conversion must match exactly */
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if(*fmt != '%' && *fmt) {
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if(*fmt++ != *str++) {
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break;
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}
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continue;
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}
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if(!*fmt) {
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break;
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}
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++fmt;
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/* skip this conversion.
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* advance both strings to next white space
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*/
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if(*fmt == '*') {
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if(!*str) {
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break;
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}
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while(!isspace(*fmt) && *fmt != '%' && *fmt)
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fmt++;
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while(!isspace(*str) && *str)
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str++;
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continue;
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}
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/* get field width */
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field_width = -1;
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if(isdigit(*fmt)) {
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field_width = skip_atoi(&fmt);
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if(field_width <= 0) {
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break;
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}
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}
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/* get conversion qualifier */
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qualifier = -1;
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if(*fmt == 'h' || _tolower(*fmt) == 'l' ||
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_tolower(*fmt) == 'z') {
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qualifier = *fmt++;
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if(qualifier == *fmt) {
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if(qualifier == 'h') {
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qualifier = 'H';
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fmt++;
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} else if(qualifier == 'l') {
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qualifier = 'L';
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fmt++;
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}
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}
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}
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if(!*fmt) {
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break;
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}
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if(*fmt == 'n') {
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/* return number of characters read so far */
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*va_arg(args, int *) = str - buf;
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++fmt;
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continue;
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}
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if(!*str) {
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break;
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}
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base = 10;
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is_sign = 0;
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switch(*fmt++) {
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case 'c': {
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char *s = (char *)va_arg(args, char*);
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if(field_width == -1)
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field_width = 1;
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do {
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*s++ = *str++;
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} while(--field_width > 0 && *str);
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num++;
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}
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continue;
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case 's': {
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char *s = (char *)va_arg(args, char *);
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if(field_width == -1)
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field_width = SHRT_MAX;
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/* first, skip leading white space in buffer */
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str = skip_spaces(str);
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/* now copy until next white space */
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while(*str && !isspace(*str) && field_width--) {
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*s++ = *str++;
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}
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*s = '\0';
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num++;
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}
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continue;
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case 'o':
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base = 8;
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break;
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case 'x':
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case 'X':
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base = 16;
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break;
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case 'i':
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base = 0;
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case 'd':
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is_sign = 1;
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case 'u':
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break;
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case '%':
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/* looking for '%' in str */
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if(*str++ != '%') {
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return num;
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}
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continue;
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default:
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/* invalid format; stop here */
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return num;
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}
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/* have some sort of integer conversion.
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* first, skip white space in buffer.
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*/
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str = skip_spaces(str);
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digit = *str;
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if(is_sign && digit == '-')
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digit = *(str + 1);
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if(!digit
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|| (base == 16 && !isxdigit(digit))
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|| (base == 10 && !isdigit(digit))
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|| (base == 8 && (!isdigit(digit) || digit > '7'))
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|| (base == 0 && !isdigit(digit))) {
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break;
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}
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//here problem *******************************************
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//troy add ,fix support %2d, but not support %d
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if(field_width <= 0) {
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field_width = judge_digit_width(str);
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}
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/////troy add, fix str passed inwidth wrong
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for(i = 0; i<field_width ; i++)
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str_store[i] = str[i];
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next = (char*)str + field_width;
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if(is_sign) {
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val.s = qualifier != 'L' ?
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simple_strtol_patch(str_store, &next, base) :
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simple_strtoll_patch(str_store, &next, base);
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} else {
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val.u = qualifier != 'L' ?
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simple_strtoul_patch(str_store, &next, base) :
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simple_strtoull_patch(str_store, &next, base);
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}
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////troy add
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for(i = 0; i<20 ; i++)
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str_store[i] = 0;
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//判断转换的字符串的宽度是否大于 %2d
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if(field_width > 0 && next - str > field_width) {
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if(base == 0)
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_parse_integer_fixup_radix(str, &base);
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while(next - str > field_width) {
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if(is_sign) {
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val.s = div_s64(val.s, base);
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} else {
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val.u = div_u64(val.u, base);
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}
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--next;
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}
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}
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switch(qualifier) {
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case 'H': /* that's 'hh' in format */
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if(is_sign)
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*va_arg(args, signed char *) = val.s;
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else
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*va_arg(args, unsigned char *) = val.u;
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break;
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case 'h':
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if(is_sign)
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*va_arg(args, short *) = val.s;
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else
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*va_arg(args, unsigned short *) = val.u;
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break;
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case 'l':
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if(is_sign)
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*va_arg(args, long *) = val.s;
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else
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*va_arg(args, unsigned long *) = val.u;
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break;
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case 'L':
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if(is_sign)
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*va_arg(args, long long *) = val.s;
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else
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*va_arg(args, unsigned long long *) = val.u;
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break;
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case 'Z':
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case 'z':
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*va_arg(args, size_t *) = val.u;
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break;
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default:
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if(is_sign)
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*va_arg(args, int *) = val.s;
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else
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*va_arg(args, unsigned int *) = val.u;
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break;
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}
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num++;
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if(!next) {
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break;
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}
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str = next;
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}
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return num;
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}
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int DiagSscanfPatch(const char *buf, const char *fmt, ...)
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{
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va_list args;
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int i;
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va_start(args, fmt);
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i = _vsscanf_patch(buf, fmt, args);
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va_end(args);
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return i;
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}
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/*********************************************************/
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char* DiagStrtokPatch(char *str, const char* delim) {
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static char* _buffer;
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if(str != NULL) _buffer = str;
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if(_buffer[0] == '\0') return NULL;
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char *ret = _buffer, *b;
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const char *d;
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for(b = _buffer; *b !='\0'; b++) {
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for(d = delim; *d != '\0'; d++) {
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if(*b == *d) {
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*b = '\0';
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_buffer = b+1;
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// skip the beginning delimiters
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if(b == ret) {
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ret++;
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continue;
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}
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return ret;
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}
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}
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}
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return ret;
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}
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/*********************************************************/
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char *DiagStrstrPatch(char *string, char *substring)
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{
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register char *a, *b;
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/* First scan quickly through the two strings looking for a
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* single-character match. When it's found, then compare the
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* rest of the substring.
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*/
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b = substring;
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if(*b == 0) {
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return string;
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}
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for(; *string != 0; string += 1) {
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if(*string != *b) {
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continue;
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}
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a = string;
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while(1) {
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if(*b == 0) {
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return string;
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}
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if(*a++ != *b++) {
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break;
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}
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}
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b = substring;
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}
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return (char *) 0;
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}
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/*********************************************************/
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int DiagSnPrintfPatch(char *buf, size_t size, const char *fmt, ...)
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{
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va_list ap;
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char *p, *s, *buf_end = NULL;
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const int *dp = ((const int *)&fmt)+1;
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if(buf == NULL)
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return 0;
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va_start(ap, fmt);
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s = buf;
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buf_end = size? (buf + size):(char*)~0;
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for(; *fmt != '\0'; ++fmt) {
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if(*fmt != '%') {
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*s++ = *fmt;
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if(s >= buf_end) {
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goto Exit;
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}
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continue;
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}
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if(*++fmt == 's') {
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for(p = (char *)*dp++; *p != '\0'; p++) {
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*s++ = *p;
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if(s >= buf_end) {
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goto Exit;
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}
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}
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}
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else { /* Length of item is bounded */
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char tmp[20], *q = tmp;
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int alt = 0;
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int shift = 0;// = 12;
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const long *lpforchk = (const long *)dp;
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if((*lpforchk) < 0x10) {
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shift = 0;
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}
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else if(((*lpforchk) >= 0x10) && ((*lpforchk) < 0x100)) {
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shift = 4;
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}
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else if(((*lpforchk) >= 0x100) && ((*lpforchk) < 0x1000)) {
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shift = 8;
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}
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else if(((*lpforchk) >= 0x1000) && ((*lpforchk) < 0x10000)) {
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shift = 12;
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}
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else if(((*lpforchk) >= 0x10000) && ((*lpforchk) < 0x100000)) {
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shift = 16;
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}
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else if(((*lpforchk) >= 0x100000) && ((*lpforchk) < 0x1000000)) {
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shift = 20;
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}
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else if(((*lpforchk) >= 0x1000000) && ((*lpforchk) < 0x10000000)) {
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shift = 24;
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}
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else if((*lpforchk) >= 0x10000000) {
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shift = 28;
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}
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else {
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shift = 28;
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}
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if((*fmt >= '0') && (*fmt <= '9'))
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{
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int width;
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unsigned char fch = *fmt;
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for(width=0; (fch>='0') && (fch<='9'); fch=*++fmt)
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{ width = width * 10 + fch - '0';
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}
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shift=(width-1)*4;
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}
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/*
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* Before each format q points to tmp buffer
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* After each format q points past end of item
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*/
|
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if((*fmt == 'x')||(*fmt == 'X') || (*fmt == 'p') || (*fmt == 'P')) {
|
||
/* With x86 gcc, sizeof(long) == sizeof(int) */
|
||
const long *lp = (const long *)dp;
|
||
long h = *lp++;
|
||
int hex_count = 0;
|
||
unsigned long h_back = h;
|
||
int ncase = (*fmt & 0x20);
|
||
dp = (const int *)lp;
|
||
|
||
if((*fmt == 'p') || (*fmt == 'P'))
|
||
alt=1;
|
||
|
||
if(alt) {
|
||
*q++ = '0';
|
||
*q++ = 'X' | ncase;
|
||
}
|
||
|
||
while(h_back) {
|
||
hex_count += (h_back & 0xF) ? 1 : 0;
|
||
h_back = h_back >> 4;
|
||
}
|
||
|
||
if(shift < (hex_count - 1)*4)
|
||
shift = (hex_count - 1)*4;
|
||
|
||
for(; shift >= 0; shift -= 4)
|
||
*q++ = tab0123456789ABCDEF[(h >> shift) & 0xF] | ncase;
|
||
}
|
||
else if(*fmt == 'd') {
|
||
int i = *dp++;
|
||
char *r;
|
||
int digit_space = 0;
|
||
|
||
|
||
if(i < 0) {
|
||
*q++ = '-';
|
||
i = -i;
|
||
digit_space++;
|
||
}
|
||
|
||
p = q; /* save beginning of digits */
|
||
|
||
|
||
do {
|
||
*q++ = '0' + (i % 10);
|
||
i /= 10;
|
||
digit_space++;
|
||
} while(i);
|
||
|
||
|
||
for(; shift >= 0; shift -= 4) {
|
||
|
||
if(digit_space-- > 0) {
|
||
; //do nothing
|
||
} else {
|
||
*q++ = '0';
|
||
}
|
||
}
|
||
|
||
/* reverse digits, stop in middle */
|
||
r = q; /* don't alter q */
|
||
|
||
while(--r > p) {
|
||
i = *r;
|
||
*r = *p;
|
||
*p++ = i;
|
||
}
|
||
}
|
||
else if(*fmt == 'c')
|
||
*q++ = *dp++;
|
||
else
|
||
*q++ = *fmt;
|
||
|
||
/* now output the saved string */
|
||
for(p = tmp; p < q; ++p) {
|
||
*s++ = *p;
|
||
|
||
if(s >= buf_end) {
|
||
goto Exit;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
Exit:
|
||
|
||
if(buf)
|
||
*s = '\0';
|
||
|
||
va_end(ap);
|
||
return(s-buf);
|
||
|
||
}
|
||
|
||
/*********************************************************/
|
||
|
||
static int VSprintfPatch(char *buf, const char *fmt, const int *dp)
|
||
{
|
||
char *p, *s;
|
||
s = buf;
|
||
|
||
for(; *fmt != '\0'; ++fmt) {
|
||
if(*fmt != '%') {
|
||
if(buf) {
|
||
*s++ = *fmt;
|
||
} else {
|
||
DiagPutChar(*fmt);
|
||
}
|
||
|
||
continue;
|
||
}
|
||
|
||
if(*++fmt == 's') {
|
||
for(p = (char *)*dp++; *p != '\0'; p++) {
|
||
if(buf) {
|
||
*s++ = *p;
|
||
} else {
|
||
DiagPutChar(*p);
|
||
}
|
||
}
|
||
}
|
||
else { /* Length of item is bounded */
|
||
char tmp[20], *q = tmp;
|
||
int alt = 0;
|
||
int shift = 0;// = 12;
|
||
const long *lpforchk = (const long *)dp;
|
||
|
||
if((*lpforchk) < 0x10) {
|
||
shift = 0;
|
||
}
|
||
else if(((*lpforchk) >= 0x10) && ((*lpforchk) < 0x100)) {
|
||
shift = 4;
|
||
}
|
||
else if(((*lpforchk) >= 0x100) && ((*lpforchk) < 0x1000)) {
|
||
shift = 8;
|
||
}
|
||
else if(((*lpforchk) >= 0x1000) && ((*lpforchk) < 0x10000)) {
|
||
shift = 12;
|
||
}
|
||
else if(((*lpforchk) >= 0x10000) && ((*lpforchk) < 0x100000)) {
|
||
shift = 16;
|
||
}
|
||
else if(((*lpforchk) >= 0x100000) && ((*lpforchk) < 0x1000000)) {
|
||
shift = 20;
|
||
}
|
||
else if(((*lpforchk) >= 0x1000000) && ((*lpforchk) < 0x10000000)) {
|
||
shift = 24;
|
||
}
|
||
else if((*lpforchk) >= 0x10000000) {
|
||
shift = 28;
|
||
}
|
||
else {
|
||
shift = 28;
|
||
}
|
||
|
||
#if 1 //wei patch for %02x
|
||
|
||
if((*fmt >= '0') && (*fmt <= '9'))
|
||
{
|
||
int width;
|
||
unsigned char fch = *fmt;
|
||
|
||
for(width=0; (fch>='0') && (fch<='9'); fch=*++fmt)
|
||
{ width = width * 10 + fch - '0';
|
||
}
|
||
|
||
shift=(width-1)*4;
|
||
}
|
||
|
||
#endif
|
||
|
||
/*
|
||
* Before each format q points to tmp buffer
|
||
* After each format q points past end of item
|
||
*/
|
||
|
||
if((*fmt == 'x')||(*fmt == 'X') || (*fmt == 'p') || (*fmt == 'P')) {
|
||
/* With x86 gcc, sizeof(long) == sizeof(int) */
|
||
const long *lp = (const long *)dp;
|
||
long h = *lp++;
|
||
int hex_count = 0;
|
||
unsigned long h_back = h;
|
||
int ncase = (*fmt & 0x20);
|
||
dp = (const int *)lp;
|
||
|
||
if((*fmt == 'p') || (*fmt == 'P'))
|
||
alt=1;
|
||
|
||
if(alt) {
|
||
*q++ = '0';
|
||
*q++ = 'X' | ncase;
|
||
}
|
||
|
||
//hback 是实际得到的数据，hex_count是统计数据的HEX字符个数
|
||
while(h_back) {
|
||
hex_count += (h_back & 0xF) ? 1 : 0;
|
||
h_back = h_back >> 4;
|
||
}
|
||
|
||
//这里修复 example： 字符有4个，但是用了%02x导致字符被截断的情况
|
||
if(shift < (hex_count - 1)*4)
|
||
shift = (hex_count - 1)*4;
|
||
|
||
//printf("(%d,%d)", hex_count, shift);
|
||
|
||
for(; shift >= 0; shift -= 4) {
|
||
|
||
*q++ = tab0123456789ABCDEF[(h >> shift) & 0xF] | ncase;
|
||
}
|
||
|
||
}
|
||
else if(*fmt == 'd') {
|
||
int i = *dp++;
|
||
char *r;
|
||
int digit_space = 0;
|
||
|
||
if(i < 0) {
|
||
*q++ = '-';
|
||
i = -i;
|
||
digit_space++;
|
||
}
|
||
|
||
p = q; /* save beginning of digits */
|
||
|
||
do {
|
||
*q++ = '0' + (i % 10);
|
||
i /= 10;
|
||
digit_space++;
|
||
} while(i);
|
||
|
||
//这里修复 example：用了%08d后，在数字前面没有0的情况
|
||
for(; shift >= 0; shift -= 4) {
|
||
|
||
if(digit_space-- > 0) {
|
||
; //do nothing
|
||
} else {
|
||
*q++ = '0';
|
||
}
|
||
}
|
||
|
||
/* reverse digits, stop in middle */
|
||
r = q; /* don't alter q */
|
||
|
||
while(--r > p) {
|
||
i = *r;
|
||
*r = *p;
|
||
*p++ = i;
|
||
}
|
||
}
|
||
else if(*fmt == 'c')
|
||
*q++ = *dp++;
|
||
else
|
||
*q++ = *fmt;
|
||
|
||
/* now output the saved string */
|
||
for(p = tmp; p < q; ++p) {
|
||
if(buf) {
|
||
*s++ = *p;
|
||
} else {
|
||
DiagPutChar(*p);
|
||
}
|
||
|
||
if((*p) == '\n') {
|
||
DiagPutChar('\r');
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if(buf)
|
||
*s = '\0';
|
||
|
||
return (s - buf);
|
||
}
|
||
|
||
|
||
int DiagPrintfPatch(
|
||
IN const char *fmt, ...
|
||
)
|
||
{
|
||
return VSprintfPatch(0, fmt, ((const int *)&fmt)+1);
|
||
}
|
||
|
||
int DiagSPrintfPatch(
|
||
IN u8 *buf,
|
||
IN const char *fmt, ...
|
||
)
|
||
{
|
||
return VSprintfPatch((char*)buf, fmt, ((const int *)&fmt)+1);
|
||
}
|
||
#endif
|