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Makefile: include third_party source files

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Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross
2019-01-01 19:39:01 +08:00
parent 06d64b8c68
commit 049a52022c
7 changed files with 5 additions and 2149 deletions
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759
third_party/libbase/libc.c vendored
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@@ -1,759 +0,0 @@
/*
* MiSoC
* Copyright (C) 2007, 2008, 2009, 2010, 2011 Sebastien Bourdeauducq
* Copyright (C) Linus Torvalds and Linux kernel developers
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <limits.h>
#include <inet.h>
/**
* strchr - Find the first occurrence of a character in a string
* @s: The string to be searched
* @c: The character to search for
*/
char *strchr(const char *s, int c)
{
for (; *s != (char)c; ++s)
if (*s == '\0')
return NULL;
return (char *)s;
}
/**
* strpbrk - Find the first occurrence of a set of characters
* @cs: The string to be searched
* @ct: The characters to search for
*/
char *strpbrk(const char *cs, const char *ct)
{
const char *sc1, *sc2;
for (sc1 = cs; *sc1 != '\0'; ++sc1) {
for (sc2 = ct; *sc2 != '\0'; ++sc2) {
if (*sc1 == *sc2)
return (char *)sc1;
}
}
return NULL;
}
/**
* strrchr - Find the last occurrence of a character in a string
* @s: The string to be searched
* @c: The character to search for
*/
char *strrchr(const char *s, int c)
{
const char *p = s + strlen(s);
do {
if (*p == (char)c)
return (char *)p;
} while (--p >= s);
return NULL;
}
/**
* strnchr - Find a character in a length limited string
* @s: The string to be searched
* @count: The number of characters to be searched
* @c: The character to search for
*/
char *strnchr(const char *s, size_t count, int c)
{
for (; count-- && *s != '\0'; ++s)
if (*s == (char)c)
return (char *)s;
return NULL;
}
/**
* strcpy - Copy a %NUL terminated string
* @dest: Where to copy the string to
* @src: Where to copy the string from
*/
char *strcpy(char *dest, const char *src)
{
char *tmp = dest;
while ((*dest++ = *src++) != '\0')
/* nothing */;
return tmp;
}
/**
* strncpy - Copy a length-limited, %NUL-terminated string
* @dest: Where to copy the string to
* @src: Where to copy the string from
* @count: The maximum number of bytes to copy
*
* The result is not %NUL-terminated if the source exceeds
* @count bytes.
*
* In the case where the length of @src is less than that of
* count, the remainder of @dest will be padded with %NUL.
*
*/
char *strncpy(char *dest, const char *src, size_t count)
{
char *tmp = dest;
while (count) {
if ((*tmp = *src) != 0)
src++;
tmp++;
count--;
}
return dest;
}
/**
* strcmp - Compare two strings
* @cs: One string
* @ct: Another string
*/
int strcmp(const char *cs, const char *ct)
{
signed char __res;
while (1) {
if ((__res = *cs - *ct++) != 0 || !*cs++)
break;
}
return __res;
}
/**
* strncmp - Compare two strings using the first characters only
* @cs: One string
* @ct: Another string
* @count: Number of characters
*/
int strncmp(const char *cs, const char *ct, size_t count)
{
signed char __res;
size_t n;
n = 0;
__res = 0;
while (n < count) {
if ((__res = *cs - *ct++) != 0 || !*cs++)
break;
n++;
}
return __res;
}
/**
* strcat - Append one %NUL-terminated string to another
* @dest: The string to be appended to
* @src: The string to append to it
*/
char *strcat(char *dest, const char *src)
{
char *tmp = dest;
while (*dest)
dest++;
while ((*dest++ = *src++) != '\0')
;
return tmp;
}
/**
* strncat - Append a length-limited, %NUL-terminated string to another
* @dest: The string to be appended to
* @src: The string to append to it
* @count: The maximum numbers of bytes to copy
*
* Note that in contrast to strncpy(), strncat() ensures the result is
* terminated.
*/
char *strncat(char *dest, const char *src, size_t count)
{
char *tmp = dest;
if (count) {
while (*dest)
dest++;
while ((*dest++ = *src++) != 0) {
if (--count == 0) {
*dest = '\0';
break;
}
}
}
return tmp;
}
/**
* strlen - Find the length of a string
* @s: The string to be sized
*/
size_t strlen(const char *s)
{
const char *sc;
for (sc = s; *sc != '\0'; ++sc)
/* nothing */;
return sc - s;
}
/**
* strnlen - Find the length of a length-limited string
* @s: The string to be sized
* @count: The maximum number of bytes to search
*/
size_t strnlen(const char *s, size_t count)
{
const char *sc;
for (sc = s; count-- && *sc != '\0'; ++sc)
/* nothing */;
return sc - s;
}
/**
* strspn - Calculate the length of the initial substring of @s which only contain letters in @accept
* @s: The string to be searched
* @accept: The string to search for
*/
size_t strspn(const char *s, const char *accept)
{
const char *p;
const char *a;
size_t count = 0;
for (p = s; *p != '\0'; ++p) {
for (a = accept; *a != '\0'; ++a) {
if (*p == *a)
break;
}
if (*a == '\0')
return count;
++count;
}
return count;
}
/**
* memcmp - Compare two areas of memory
* @cs: One area of memory
* @ct: Another area of memory
* @count: The size of the area.
*/
int memcmp(const void *cs, const void *ct, size_t count)
{
const unsigned char *su1, *su2;
int res = 0;
for (su1 = cs, su2 = ct; 0 < count; ++su1, ++su2, count--)
if ((res = *su1 - *su2) != 0)
break;
return res;
}
/**
* memset - Fill a region of memory with the given value
* @s: Pointer to the start of the area.
* @c: The byte to fill the area with
* @count: The size of the area.
*/
__attribute__((used)) void *memset(void *s, int c, size_t count)
{
char *xs = s;
while (count--)
*xs++ = c;
return s;
}
/**
* memcpy - Copies one area of memory to another
* @dest: Destination
* @src: Source
* @n: The size to copy.
*/
void *memcpy(void *to, const void *from, size_t n)
{
void *xto = to;
size_t temp;
if(!n)
return xto;
if((long)to & 1) {
char *cto = to;
const char *cfrom = from;
*cto++ = *cfrom++;
to = cto;
from = cfrom;
n--;
}
if((long)from & 1) {
char *cto = to;
const char *cfrom = from;
for (; n; n--)
*cto++ = *cfrom++;
return xto;
}
if(n > 2 && (long)to & 2) {
short *sto = to;
const short *sfrom = from;
*sto++ = *sfrom++;
to = sto;
from = sfrom;
n -= 2;
}
if((long)from & 2) {
short *sto = to;
const short *sfrom = from;
temp = n >> 1;
for (; temp; temp--)
*sto++ = *sfrom++;
to = sto;
from = sfrom;
if(n & 1) {
char *cto = to;
const char *cfrom = from;
*cto = *cfrom;
}
return xto;
}
temp = n >> 2;
if(temp) {
long *lto = to;
const long *lfrom = from;
for(; temp; temp--)
*lto++ = *lfrom++;
to = lto;
from = lfrom;
}
if(n & 2) {
short *sto = to;
const short *sfrom = from;
*sto++ = *sfrom++;
to = sto;
from = sfrom;
}
if(n & 1) {
char *cto = to;
const char *cfrom = from;
*cto = *cfrom;
}
return xto;
}
/**
* memmove - Copies one area of memory to another, overlap possible
* @dest: Destination
* @src: Source
* @n: The size to copy.
*/
void *memmove(void *dest, const void *src, size_t count)
{
char *tmp, *s;
if(dest <= src) {
tmp = (char *) dest;
s = (char *) src;
while(count--)
*tmp++ = *s++;
} else {
tmp = (char *)dest + count;
s = (char *)src + count;
while(count--)
*--tmp = *--s;
}
return dest;
}
/**
* strstr - Find the first substring in a %NUL terminated string
* @s1: The string to be searched
* @s2: The string to search for
*/
char *strstr(const char *s1, const char *s2)
{
size_t l1, l2;
l2 = strlen(s2);
if (!l2)
return (char *)s1;
l1 = strlen(s1);
while (l1 >= l2) {
l1--;
if (!memcmp(s1, s2, l2))
return (char *)s1;
s1++;
}
return NULL;
}
/**
* memchr - Find a character in an area of memory.
* @s: The memory area
* @c: The byte to search for
* @n: The size of the area.
*
* returns the address of the first occurrence of @c, or %NULL
* if @c is not found
*/
void *memchr(const void *s, int c, size_t n)
{
const unsigned char *p = s;
while (n-- != 0) {
if ((unsigned char)c == *p++) {
return (void *)(p - 1);
}
}
return NULL;
}
/**
* strtoul - convert a string to an unsigned long
* @nptr: The start of the string
* @endptr: A pointer to the end of the parsed string will be placed here
* @base: The number base to use
*/
unsigned long strtoul(const char *nptr, char **endptr, int base)
{
unsigned long result = 0,value;
if (!base) {
base = 10;
if (*nptr == '0') {
base = 8;
nptr++;
if ((toupper(*nptr) == 'X') && isxdigit(nptr[1])) {
nptr++;
base = 16;
}
}
} else if (base == 16) {
if (nptr[0] == '0' && toupper(nptr[1]) == 'X')
nptr += 2;
}
while (isxdigit(*nptr) &&
(value = isdigit(*nptr) ? *nptr-'0' : toupper(*nptr)-'A'+10) < base) {
result = result*base + value;
nptr++;
}
if (endptr)
*endptr = (char *)nptr;
return result;
}
/**
* strtol - convert a string to a signed long
* @nptr: The start of the string
* @endptr: A pointer to the end of the parsed string will be placed here
* @base: The number base to use
*/
long strtol(const char *nptr, char **endptr, int base)
{
if(*nptr=='-')
return -strtoul(nptr+1,endptr,base);
return strtoul(nptr,endptr,base);
}
int skip_atoi(const char **s)
{
int i=0;
while (isdigit(**s))
i = i*10 + *((*s)++) - '0';
return i;
}
char *number(char *buf, char *end, unsigned long num, int base, int size, int precision, int type)
{
char c,sign,tmp[66];
const char *digits;
static const char small_digits[] = "0123456789abcdefghijklmnopqrstuvwxyz";
static const char large_digits[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
int i;
digits = (type & PRINTF_LARGE) ? large_digits : small_digits;
if (type & PRINTF_LEFT)
type &= ~PRINTF_ZEROPAD;
if (base < 2 || base > 36)
return NULL;
c = (type & PRINTF_ZEROPAD) ? '0' : ' ';
sign = 0;
if (type & PRINTF_SIGN) {
if ((signed long) num < 0) {
sign = '-';
num = - (signed long) num;
size--;
} else if (type & PRINTF_PLUS) {
sign = '+';
size--;
} else if (type & PRINTF_SPACE) {
sign = ' ';
size--;
}
}
if (type & PRINTF_SPECIAL) {
if (base == 16)
size -= 2;
else if (base == 8)
size--;
}
i = 0;
if (num == 0)
tmp[i++]='0';
else while (num != 0) {
tmp[i++] = digits[num % base];
num = num / base;
}
if (i > precision)
precision = i;
size -= precision;
if (!(type&(PRINTF_ZEROPAD+PRINTF_LEFT))) {
while(size-->0) {
if (buf < end)
*buf = ' ';
++buf;
}
}
if (sign) {
if (buf < end)
*buf = sign;
++buf;
}
if (type & PRINTF_SPECIAL) {
if (base==8) {
if (buf < end)
*buf = '0';
++buf;
} else if (base==16) {
if (buf < end)
*buf = '0';
++buf;
if (buf < end)
*buf = digits[33];
++buf;
}
}
if (!(type & PRINTF_LEFT)) {
while (size-- > 0) {
if (buf < end)
*buf = c;
++buf;
}
}
while (i < precision--) {
if (buf < end)
*buf = '0';
++buf;
}
while (i-- > 0) {
if (buf < end)
*buf = tmp[i];
++buf;
}
while (size-- > 0) {
if (buf < end)
*buf = ' ';
++buf;
}
return buf;
}
/**
* vscnprintf - Format a string and place it in a buffer
* @buf: The buffer to place the result into
* @size: The size of the buffer, including the trailing null space
* @fmt: The format string to use
* @args: Arguments for the format string
*
* The return value is the number of characters which have been written into
* the @buf not including the trailing '\0'. If @size is <= 0 the function
* returns 0.
*
* Call this function if you are already dealing with a va_list.
* You probably want scnprintf() instead.
*/
int vscnprintf(char *buf, size_t size, const char *fmt, va_list args)
{
int i;
i=vsnprintf(buf,size,fmt,args);
return (i >= size) ? (size - 1) : i;
}
/**
* snprintf - Format a string and place it in a buffer
* @buf: The buffer to place the result into
* @size: The size of the buffer, including the trailing null space
* @fmt: The format string to use
* @...: Arguments for the format string
*
* The return value is the number of characters which would be
* generated for the given input, excluding the trailing null,
* as per ISO C99. If the return is greater than or equal to
* @size, the resulting string is truncated.
*/
int snprintf(char * buf, size_t size, const char *fmt, ...)
{
va_list args;
int i;
va_start(args, fmt);
i=vsnprintf(buf,size,fmt,args);
va_end(args);
return i;
}
/**
* scnprintf - Format a string and place it in a buffer
* @buf: The buffer to place the result into
* @size: The size of the buffer, including the trailing null space
* @fmt: The format string to use
* @...: Arguments for the format string
*
* The return value is the number of characters written into @buf not including
* the trailing '\0'. If @size is <= 0 the function returns 0.
*/
int scnprintf(char * buf, size_t size, const char *fmt, ...)
{
va_list args;
int i;
va_start(args, fmt);
i = vsnprintf(buf, size, fmt, args);
va_end(args);
return (i >= size) ? (size - 1) : i;
}
/**
* vsprintf - Format a string and place it in a buffer
* @buf: The buffer to place the result into
* @fmt: The format string to use
* @args: Arguments for the format string
*
* The function returns the number of characters written
* into @buf. Use vsnprintf() or vscnprintf() in order to avoid
* buffer overflows.
*
* Call this function if you are already dealing with a va_list.
* You probably want sprintf() instead.
*/
int vsprintf(char *buf, const char *fmt, va_list args)
{
return vsnprintf(buf, INT_MAX, fmt, args);
}
/**
* sprintf - Format a string and place it in a buffer
* @buf: The buffer to place the result into
* @fmt: The format string to use
* @...: Arguments for the format string
*
* The function returns the number of characters written
* into @buf. Use snprintf() or scnprintf() in order to avoid
* buffer overflows.
*/
int sprintf(char * buf, const char *fmt, ...)
{
va_list args;
int i;
va_start(args, fmt);
i=vsnprintf(buf, INT_MAX, fmt, args);
va_end(args);
return i;
}
/* From linux/lib/ctype.c, Copyright (C) 1991, 1992 Linus Torvalds */
const unsigned char _ctype[] = {
_C,_C,_C,_C,_C,_C,_C,_C, /* 0-7 */
_C,_C|_S,_C|_S,_C|_S,_C|_S,_C|_S,_C,_C, /* 8-15 */
_C,_C,_C,_C,_C,_C,_C,_C, /* 16-23 */
_C,_C,_C,_C,_C,_C,_C,_C, /* 24-31 */
_S|_SP,_P,_P,_P,_P,_P,_P,_P, /* 32-39 */
_P,_P,_P,_P,_P,_P,_P,_P, /* 40-47 */
_D,_D,_D,_D,_D,_D,_D,_D, /* 48-55 */
_D,_D,_P,_P,_P,_P,_P,_P, /* 56-63 */
_P,_U|_X,_U|_X,_U|_X,_U|_X,_U|_X,_U|_X,_U, /* 64-71 */
_U,_U,_U,_U,_U,_U,_U,_U, /* 72-79 */
_U,_U,_U,_U,_U,_U,_U,_U, /* 80-87 */
_U,_U,_U,_P,_P,_P,_P,_P, /* 88-95 */
_P,_L|_X,_L|_X,_L|_X,_L|_X,_L|_X,_L|_X,_L, /* 96-103 */
_L,_L,_L,_L,_L,_L,_L,_L, /* 104-111 */
_L,_L,_L,_L,_L,_L,_L,_L, /* 112-119 */
_L,_L,_L,_P,_P,_P,_P,_C, /* 120-127 */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 128-143 */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 144-159 */
_S|_SP,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P, /* 160-175 */
_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P, /* 176-191 */
_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U, /* 192-207 */
_U,_U,_U,_U,_U,_U,_U,_P,_U,_U,_U,_U,_U,_U,_U,_L, /* 208-223 */
_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L, /* 224-239 */
_L,_L,_L,_L,_L,_L,_L,_P,_L,_L,_L,_L,_L,_L,_L,_L}; /* 240-255 */
/**
* rand - Returns a pseudo random number
*/
static unsigned int randseed;
unsigned int rand(void)
{
randseed = 129 * randseed + 907633385;
return randseed;
}
void srand(unsigned int seed)
{
randseed = seed;
}
__attribute__ ((used)) void abort(void)
{
printf("Aborted.");
while(1);
}
uint32_t htonl(uint32_t n)
{
union { int i; char c; } u = { 1 };
return u.c ? bswap_32(n) : n;
}
uint16_t htons(uint16_t n)
{
union { int i; char c; } u = { 1 };
return u.c ? bswap_16(n) : n;
}
uint32_t ntohl(uint32_t n)
{
union { int i; char c; } u = { 1 };
return u.c ? bswap_32(n) : n;
}
uint16_t ntohs(uint16_t n)
{
union { int i; char c; } u = { 1 };
return u.c ? bswap_16(n) : n;
}

318
third_party/libbase/vsnprintf.c vendored
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@@ -1,318 +0,0 @@
/*
* MiSoC
* Copyright (C) 2007, 2008, 2009 Sebastien Bourdeauducq
* Copyright (C) Linux kernel developers
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
/**
* vsnprintf - Format a string and place it in a buffer
* @buf: The buffer to place the result into
* @size: The size of the buffer, including the trailing null space
* @fmt: The format string to use
* @args: Arguments for the format string
*
* The return value is the number of characters which would
* be generated for the given input, excluding the trailing
* '\0', as per ISO C99. If you want to have the exact
* number of characters written into @buf as return value
* (not including the trailing '\0'), use vscnprintf(). If the
* return is greater than or equal to @size, the resulting
* string is truncated.
*
* Call this function if you are already dealing with a va_list.
* You probably want snprintf() instead.
*/
int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
{
int len;
unsigned long long num;
int i, base;
char *str, *end, c;
const char *s;
int flags; /* flags to number() */
int field_width; /* width of output field */
int precision; /* min. # of digits for integers; max
number of chars for from string */
int qualifier; /* 'h', 'l', or 'L' for integer fields */
/* 'z' support added 23/7/1999 S.H. */
/* 'z' changed to 'Z' --davidm 1/25/99 */
/* 't' added for ptrdiff_t */
/* Reject out-of-range values early. Large positive sizes are
used for unknown buffer sizes. */
if (unlikely((int) size < 0))
return 0;
str = buf;
end = buf + size;
/* Make sure end is always >= buf */
if (end < buf) {
end = ((void *)-1);
size = end - buf;
}
for (; *fmt ; ++fmt) {
if (*fmt != '%') {
if (str < end)
*str = *fmt;
++str;
continue;
}
/* process flags */
flags = 0;
repeat:
++fmt; /* this also skips first '%' */
switch (*fmt) {
case '-': flags |= PRINTF_LEFT; goto repeat;
case '+': flags |= PRINTF_PLUS; goto repeat;
case ' ': flags |= PRINTF_SPACE; goto repeat;
case '#': flags |= PRINTF_SPECIAL; goto repeat;
case '0': flags |= PRINTF_ZEROPAD; goto repeat;
}
/* get field width */
field_width = -1;
if (isdigit(*fmt))
field_width = skip_atoi(&fmt);
else if (*fmt == '*') {
++fmt;
/* it's the next argument */
field_width = va_arg(args, int);
if (field_width < 0) {
field_width = -field_width;
flags |= PRINTF_LEFT;
}
}
/* get the precision */
precision = -1;
if (*fmt == '.') {
++fmt;
if (isdigit(*fmt))
precision = skip_atoi(&fmt);
else if (*fmt == '*') {
++fmt;
/* it's the next argument */
precision = va_arg(args, int);
}
if (precision < 0)
precision = 0;
}
/* get the conversion qualifier */
qualifier = -1;
if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' ||
*fmt =='Z' || *fmt == 'z' || *fmt == 't') {
qualifier = *fmt;
++fmt;
if (qualifier == 'l' && *fmt == 'l') {
qualifier = 'L';
++fmt;
}
}
/* default base */
base = 10;
switch (*fmt) {
case 'c':
if (!(flags & PRINTF_LEFT)) {
while (--field_width > 0) {
if (str < end)
*str = ' ';
++str;
}
}
c = (unsigned char) va_arg(args, int);
if (str < end)
*str = c;
++str;
while (--field_width > 0) {
if (str < end)
*str = ' ';
++str;
}
continue;
case 's':
s = va_arg(args, char *);
if (s == NULL)
s = "<NULL>";
len = strnlen(s, precision);
if (!(flags & PRINTF_LEFT)) {
while (len < field_width--) {
if (str < end)
*str = ' ';
++str;
}
}
for (i = 0; i < len; ++i) {
if (str < end)
*str = *s;
++str; ++s;
}
while (len < field_width--) {
if (str < end)
*str = ' ';
++str;
}
continue;
case 'p':
if (field_width == -1) {
field_width = 2*sizeof(void *);
flags |= PRINTF_ZEROPAD;
}
str = number(str, end,
(unsigned long) va_arg(args, void *),
16, field_width, precision, flags);
continue;
#ifndef NO_FLOAT
case 'g':
case 'f': {
double f, g;
f = va_arg(args, double);
if(f < 0.0) {
if(str < end)
*str = '-';
str++;
f = -f;
}
g = pow(10.0, floor(log10(f)));
if(g < 1.0) {
if(str < end)
*str = '0';
str++;
}
while(g >= 1.0) {
if(str < end)
*str = '0' + fmod(f/g, 10.0);
str++;
g /= 10.0;
}
if(str < end)
*str = '.';
str++;
for(i=0;i<6;i++) {
f = fmod(f*10.0, 10.0);
if(str < end)
*str = '0' + f;
str++;
}
continue;
}
#endif
case 'n':
/* FIXME:
* What does C99 say about the overflow case here? */
if (qualifier == 'l') {
long * ip = va_arg(args, long *);
*ip = (str - buf);
} else if (qualifier == 'Z' || qualifier == 'z') {
size_t * ip = va_arg(args, size_t *);
*ip = (str - buf);
} else {
int * ip = va_arg(args, int *);
*ip = (str - buf);
}
continue;
case '%':
if (str < end)
*str = '%';
++str;
continue;
/* integer number formats - set up the flags and "break" */
case 'o':
base = 8;
break;
case 'X':
flags |= PRINTF_LARGE;
case 'x':
base = 16;
break;
case 'd':
case 'i':
flags |= PRINTF_SIGN;
case 'u':
break;
default:
if (str < end)
*str = '%';
++str;
if (*fmt) {
if (str < end)
*str = *fmt;
++str;
} else {
--fmt;
}
continue;
}
if (qualifier == 'L')
num = va_arg(args, long long);
else if (qualifier == 'l') {
num = va_arg(args, unsigned long);
if (flags & PRINTF_SIGN)
num = (signed long) num;
} else if (qualifier == 'Z' || qualifier == 'z') {
num = va_arg(args, size_t);
} else if (qualifier == 't') {
num = va_arg(args, ptrdiff_t);
} else if (qualifier == 'h') {
num = (unsigned short) va_arg(args, int);
if (flags & PRINTF_SIGN)
num = (signed short) num;
} else {
num = va_arg(args, unsigned int);
if (flags & PRINTF_SIGN)
num = (signed int) num;
}
str = number(str, end, num, base,
field_width, precision, flags);
}
if (size > 0) {
if (str < end)
*str = '\0';
else
end[-1] = '\0';
}
/* the trailing null byte doesn't count towards the total */
return str-buf;
}