Fix bugs in processNumber()
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parent
033d90b866
commit
5b9b22021b
47
source/fmt.c
47
source/fmt.c
@ -56,8 +56,6 @@ static u32 skipAtoi(const char **s)
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static char *processNumber(char *str, s64 num, bool isHex, s32 size, s32 precision, u32 type)
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{
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if(type & LEFT) type &= ~ZEROPAD;
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char sign = 0;
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if(type & SIGN)
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@ -80,17 +78,18 @@ static char *processNumber(char *str, s64 num, bool isHex, s32 size, s32 precisi
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}
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}
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if(type & HEX_PREP && isHex) size -= 2;
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static const char *lowerDigits = "0123456789abcdef",
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*upperDigits = "0123456789ABCDEF";
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s32 i = 0;
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char tmp[66],
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c = (type & ZEROPAD) ? '0' : ' ';
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char tmp[20];
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const char *dig = (type & UPPERCASE) ? upperDigits : lowerDigits;
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if(num == 0) tmp[i++] = '0';
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if(num == 0)
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{
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if(precision != 0) tmp[i++] = '0';
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type &= ~HEX_PREP;
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}
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else
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{
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while(num != 0)
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@ -101,6 +100,8 @@ static char *processNumber(char *str, s64 num, bool isHex, s32 size, s32 precisi
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}
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}
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if(type & LEFT || precision != -1) type &= ~ZEROPAD;
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if(type & HEX_PREP && isHex) size -= 2;
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if(i > precision) precision = i;
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size -= precision;
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if(!(type & (ZEROPAD | LEFT))) while(size-- > 0) *str++ = ' ';
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@ -112,7 +113,7 @@ static char *processNumber(char *str, s64 num, bool isHex, s32 size, s32 precisi
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*str++ = 'x';
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}
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if(!(type & LEFT)) while(size-- > 0) *str++ = c;
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if(type & ZEROPAD) while(size-- > 0) *str++ = '0';
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while(i < precision--) *str++ = '0';
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while(i-- > 0) *str++ = tmp[i];
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while(size-- > 0) *str++ = ' ';
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@ -182,18 +183,27 @@ u32 vsprintf(char *buf, const char *fmt, va_list args)
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}
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//Get the conversion qualifier
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bool isLongLong = false;
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u32 integerType = 0;
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if(*fmt == 'l')
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{
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if(*++fmt == 'l')
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{
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fmt++;
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isLongLong = true;
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}
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integerType = 1;
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}
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//Default base
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bool isHex = false;
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}
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else if(*fmt == 'h')
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{
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if(*++fmt == 'h')
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{
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fmt++;
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integerType = 3;
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}
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else integerType = 2;
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}
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bool isHex;
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switch(*fmt)
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{
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@ -236,6 +246,7 @@ u32 vsprintf(char *buf, const char *fmt, va_list args)
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flags |= SIGN;
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case 'u':
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isHex = false;
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break;
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default:
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@ -249,13 +260,19 @@ u32 vsprintf(char *buf, const char *fmt, va_list args)
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if(flags & SIGN)
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{
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if(isLongLong) num = va_arg(args, s64);
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if(integerType == 1) va_arg(args, s64);
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else num = va_arg(args, s32);
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if(integerType == 2) num = (s16)num;
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else if(integerType == 3) num = (s8)num;
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}
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else
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{
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if(isLongLong) num = va_arg(args, u64);
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if(integerType == 1) va_arg(args, u64);
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else num = va_arg(args, u32);
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if(integerType == 2) num = (u16)num;
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else if(integerType == 3) num = (u8)num;
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}
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str = processNumber(str, num, isHex, fieldWidth, precision, flags);
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