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[/] [mlite/] [trunk/] [kernel/] [libc.c] - Diff between revs 144 and 149

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Rev 144	Rev 149
Line 87...	Line 87...
`}`	`}`
`return 0;`	`return 0;`
`}`	`}`


`char strstr(char string, char *find)`	`char strstr(const char string, const char *find)`
`{`	`{`
`int i;`	`int i;`
`for(;;)`	`for(;;)`
`{`	`{`
`for(i = 0; string[i] == find[i] && find[i]; ++i) ;`	`for(i = 0; string[i] == find[i] && find[i]; ++i) ;`
`if(find[i] == 0)`	`if(find[i] == 0)`
`return string;`	`return (char*)string;`
`if(*string++ == 0)`	`if(*string++ == 0)`
`return NULL;`	`return NULL;`
`}`	`}`
`}`	`}`

Line 170...	Line 170...
`return n>=0 ? n : -n;`	`return n>=0 ? n : -n;`
`}`	`}`


`static uint32 Rand1=0x1f2bcda3, Rand2=0xdeafbeef, Rand3=0xc5134306;`	`static uint32 Rand1=0x1f2bcda3, Rand2=0xdeafbeef, Rand3=0xc5134306;`
`unsigned int rand(void)`	`int rand(void)`
`{`	`{`
`int shift;`	`int shift;`
`Rand1 += 0x13423123 + Rand2;`	`Rand1 += 0x13423123 + Rand2;`
`Rand2 += 0x2312fdea + Rand3;`	`Rand2 += 0x2312fdea + Rand3;`
`Rand3 += 0xf2a12de1;`	`Rand3 += 0xf2a12de1;`
Line 233...	Line 233...
`{`	`{`
`return strtol(s, NULL, 10);`	`return strtol(s, NULL, 10);`
`}`	`}`


`void itoa(char *dst, int num, int base, int width)`	`char itoa(int num, char dst, int base)`
`{`	`{`
`int digit, negate=0, digits, widthSave;`	`int digit, negate=0, place;`
`char c;`	`char c, text[20];`

`if(width == 0)`
`width = 16;`
`widthSave = width;`
`digits = width - 1;`
`if(base == 10 && num < 0)`	`if(base == 10 && num < 0)`
`{`	`{`
`num = -num;`	`num = -num;`
`negate = 1;`	`negate = 1;`
`}`	`}`
`dst[width] = 0;`	`text[16] = 0;`
`while(width-- > 0)`	`for(place = 15; place >= 0; --place)`
`{`	`{`
`if(base == 10)`	`if(base == 10)`
`digit = num % base;`	`digit = num % base;`
`else`	`else`
`digit = (unsigned int)num % (unsigned int)base;`	`digit = (unsigned int)num % (unsigned int)base;`
`if(base == 10 && num == 0 && dst[width+1] != 0)`	`if(num == 0 && place < 15 && base == 10 && negate)`
`{`	`{`
`if(negate)`
`c = '-';`	`c = '-';`
`else`
`c = ' ';`
`negate = 0;`	`negate = 0;`
`}`	`}`
`else if(digit < 10)`	`else if(digit < 10)`
`c = (char)('0' + digit);`	`c = (char)('0' + digit);`
`else`	`else`
`c = (char)('a' + digit - 10);`	`c = (char)('a' + digit - 10);`
`dst[width] = c;`	`text[place] = c;`
`if(base == 10)`
`num /= base;`
`else`
`num = (unsigned int)num / (unsigned int)base;`	`num = (unsigned int)num / (unsigned int)base;`
`if(c != ' ' && c != '0')`	`if(num == 0 && negate == 0)`
`digits = width;`	`break;`
`}`	`}`
`if(widthSave > 15)`	`strcpy(dst, text + place);`
`strcpy(dst, dst + digits);`	`return dst;`
`}`	`}`


`int sprintf(char s, const char format,`	`int sprintf(char s, const char format,`
`int arg0, int arg1, int arg2, int arg3,`	`int arg0, int arg1, int arg2, int arg3,`
`int arg4, int arg5, int arg6, int arg7)`	`int arg4, int arg5, int arg6, int arg7)`
`{`	`{`
`int argv[8];`	`int argv[8];`
`int argc=0, width, length;`	`int argc=0, width, length;`
`char f;`	`char f, text[20];`

`argv[0] = arg0; argv[1] = arg1; argv[2] = arg2; argv[3] = arg3;`	`argv[0] = arg0; argv[1] = arg1; argv[2] = arg2; argv[3] = arg3;`
`argv[4] = arg4; argv[5] = arg5; argv[6] = arg6; argv[7] = arg7;`	`argv[4] = arg4; argv[5] = arg5; argv[6] = arg6; argv[7] = arg7;`

`for(;;)`	`for(;;)`
Line 312...	Line 302...
`if('0' <= f && f <= '9')`	`if('0' <= f && f <= '9')`
`width = width * 10 + f - '0';`	`width = width * 10 + f - '0';`
`}`	`}`

`if(f == 'd')`	`if(f == 'd')`
`itoa(s, argv[argc++], 10, width);`	`{`
	`memset(s, ' ', width);`
	`itoa(argv[argc++], text, 10);`
	`length = (int)strlen(text);`
	`if(width < length)`
	`width = length;`
	`strcpy(s + width - length, text);`
	`}`
`else if(f == 'x' \|\| f == 'f')`	`else if(f == 'x' \|\| f == 'f')`
`itoa(s, argv[argc++], 16, width);`	`{`
	`memset(s, '0', width);`
	`itoa(argv[argc++], text, 16);`
	`length = (int)strlen(text);`
	`if(width < length)`
	`width = length;`
	`strcpy(s + width - length, text);`
	`}`
`else if(f == 'c')`	`else if(f == 'c')`
`{`	`{`
`*s++ = (char)argv[argc++];`	`*s++ = (char)argv[argc++];`
`*s = 0;`	`*s = 0;`
`}`	`}`
Line 413...	Line 417...
`++s;`	`++s;`
`if(*s)`	`if(*s)`
`++s;`	`++s;`
`}`	`}`
`}`	`}`
`return argc;`
`}`	`}`


`No newline at end of file`	`No newline at end of file`
	`void dump(const unsigned char *data, int length)`
	`{`
	`int i, index=0, value;`
	`char string[80];`
	`memset(string, 0, sizeof(string));`
	`for(i = 0; i < length; ++i)`
	`{`
	`if((i & 15) == 0)`
	`{`
	`if(strlen(string))`
	`printf("%s\n", string);`
	`printf("%4x ", i);`
	`memset(string, 0, sizeof(string));`
	`index = 0;`
	`}`
	`value = data[i];`
	`printf("%2x ", value);`
	`if(isprint(value))`
	`string[index] = (char)value;`
	`else`
	`string[index] = '.';`
	`++index;`
	`}`
	`for(; index < 16; ++index)`
	`printf(" ");`
	`printf("%s\n", string);`
	`}`




`No newline at end of file`	`No newline at end of file`

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[/] [mlite/] [trunk/] [kernel/] [libc.c] - Diff between revs 144 and 149