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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [libnetworking/] [rtems_webserver/] [misc.c] - Blame information for rev 493

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/*
 * misc.c -- Miscellaneous routines.
 *
 * Copyright (c) GoAhead Software Inc., 1995-1999. All Rights Reserved.
 *
 * See the file "license.txt" for usage and redistribution license requirements
 */
 
/********************************* Includes ***********************************/
 
#if UEMF
        #include        "uemf.h"
#else
        #include        "basic/basicInternal.h"
#endif
 
/********************************* Defines ************************************/
/*
 *      Sprintf buffer structure. Make the increment 8 less than 64 so that
 *      a balloc can use a 64 byte block.
 */
 
#define STR_REALLOC             0x1                             /* Reallocate the buffer as required */
#define STR_INC                 58                              /* Growth increment */
 
typedef struct {
        char_t  *s;                                                     /* Pointer to buffer */
        int             size;                                           /* Current buffer size */
        int             max;                                            /* Maximum buffer size */
        int             count;                                          /* Buffer count */
        int             flags;                                          /* Allocation flags */
} strbuf_t;
 
/*
 *      Sprintf formatting flags
 */
enum flag {
        flag_none = 0,
        flag_minus = 1,
        flag_plus = 2,
        flag_space = 4,
        flag_hash = 8,
        flag_zero = 16,
        flag_short = 32,
        flag_long = 64
};
 
/************************** Forward Declarations ******************************/
 
static int      dsnprintf(char_t **s, int size, char_t *fmt, va_list arg,
                                int msize);
static int      strnlen(char_t *s, unsigned int n);
static void     put_char(strbuf_t *buf, char_t c);
static void     put_string(strbuf_t *buf, char_t *s, int len,
                                int width, int prec, enum flag f);
static void     put_ulong(strbuf_t *buf, unsigned long int value, int base,
                                int upper, char_t *prefix, int width, int prec, enum flag f);
 
/************************************ Code ************************************/
/*
 *      "basename" returns a pointer to the last component of a pathname
 *  LINUX, RTEMS, and LynxOS have their own basename function
 */
 
#if ! LINUX & ! __rtems__ & ! LYNX
char_t *basename(char_t* name)
{
        char_t  *cp;
 
#if NW || WIN
        if (((cp = gstrrchr(name, '\\')) == NULL) &&
                        ((cp = gstrrchr(name, '/')) == NULL)) {
                return name;
#else
        if ((cp = gstrrchr(name, '/')) == NULL) {
                return name;
#endif
        } else if (*(cp + 1) == '\0' && cp == name) {
                return name;
        } else if (*(cp + 1) == '\0' && cp != name) {
                return T("");
        } else {
                return ++cp;
        }
}
#endif /* ! LINUX && ! __rtems__ && ! LYNX */
 
/******************************************************************************/
/*
 *      Returns a pointer to the directory component of a pathname. bufsize is
 *      the size of the buffer in BYTES!
 */
 
char_t *dirname(char_t* buf, char_t* name, int bufsize)
{
        char_t* cp;
        int             len;
 
        a_assert(name);
        a_assert(buf);
        a_assert(bufsize > 0);
 
#if WIN || NW
        if ((cp = gstrrchr(name, '/')) == NULL &&
                (cp = gstrrchr(name, '\\')) == NULL)
#else
        if ((cp = gstrrchr(name, '/')) == NULL)
#endif
        {
                gstrcpy(buf, T("."));
                return buf;
        }
 
        if ((*(cp + 1) == '\0' && cp == name)) {
                gstrncpy(buf, T("."), TSZ(bufsize));
                gstrcpy(buf, T("."));
                return buf;
        }
 
        len = cp - name;
 
        if (len < bufsize) {
                gstrncpy(buf, name, len);
                buf[len] = '\0';
        } else {
                gstrncpy(buf, name, TSZ(bufsize));
                buf[bufsize - 1] = '\0';
        }
 
        return buf;
}
 
/******************************************************************************/
/*
 *      sprintf and vsprintf are bad, ok. You can easily clobber memory. Use
 *      gsnprintf and gvsnprintf instead! These functions do _not_ support floating
 *      point, like %e, %f, %g...
 */
 
int gsnprintf(char_t **s, int n, char_t *fmt, ...)
{
        va_list ap;
        int             result;
 
        a_assert(s);
        a_assert(fmt);
 
        *s = NULL;
        va_start(ap, fmt);
        result = gvsnprintf(s, n, fmt, ap);
        va_end(ap);
        return result;
}
 
/******************************************************************************/
/*
 *      This function appends the formatted string to the supplied string,
 *      reallocing if required.
 */
 
int gsprintfRealloc(char_t **s, int n, int msize, char_t *fmt, ...)
{
        va_list ap;
        int             result;
 
        a_assert(s);
        a_assert(fmt);
 
        if (msize == -1) {
                *s = NULL;
        }
        va_start(ap, fmt);
        result = dsnprintf(s, n, fmt, ap, msize);
        va_end(ap);
        return result;
}
 
/******************************************************************************/
/*
 *      A vsprintf replacement.
 */
 
int gvsnprintf(char_t **s, int n, char_t *fmt, va_list arg)
{
        a_assert(s);
        a_assert(fmt);
 
        return dsnprintf(s, n, fmt, arg, 0);
}
 
/******************************************************************************/
/*
 *      Dynamic sprintf implementation. Supports dynamic buffer allocation also.
 *      This function can be called multiple times to grow an existing allocated
 *      buffer. In this case, msize is set to the size of the previously allocated
 *      buffer. The buffer will be realloced, as required. If msize is set, we
 *      return the size of the allocated buffer for use with the next call. For
 *      the first call, msize can be set to -1.
 */
 
static int dsnprintf(char_t **s, int size, char_t *fmt, va_list arg, int msize)
{
        strbuf_t        buf;
        char_t          c;
 
        a_assert(s);
        a_assert(fmt);
 
        memset(&buf, 0, sizeof(buf));
        buf.s = *s;
 
        if (*s == NULL || msize != 0) {
                buf.max = size;
                buf.flags |= STR_REALLOC;
                if (msize != 0) {
                        buf.size = max(msize, 0);
                }
                if (*s != NULL && msize != 0) {
                        buf.count = gstrlen(*s);
                }
        } else {
                buf.size = size;
        }
 
        while ((c = *fmt++) != '\0') {
                if (c != '%' || (c = *fmt++) == '%') {
                        put_char(&buf, c);
                } else {
                        enum flag f = flag_none;
                        int width = 0;
                        int prec = -1;
                        for ( ; c != '\0'; c = *fmt++) {
                                if (c == '-') {
                                        f |= flag_minus;
                                } else if (c == '+') {
                                        f |= flag_plus;
                                } else if (c == ' ') {
                                        f |= flag_space;
                                } else if (c == '#') {
                                        f |= flag_hash;
                                } else if (c == '0') {
                                        f |= flag_zero;
                                } else {
                                        break;
                                }
                        }
                        if (c == '*') {
                                width = va_arg(arg, int);
                                if (width < 0) {
                                        f |= flag_minus;
                                        width = -width;
                                }
                                c = *fmt++;
                        } else {
                                for ( ; gisdigit(c); c = *fmt++) {
                                        width = width * 10 + (c - '0');
                                }
                        }
                        if (c == '.') {
                                f &= ~flag_zero;
                                c = *fmt++;
                                if (c == '*') {
                                        prec = va_arg(arg, int);
                                        c = *fmt++;
                                } else {
                                        for (prec = 0; gisdigit(c); c = *fmt++) {
                                                prec = prec * 10 + (c - '0');
                                        }
                                }
                        }
                        if (c == 'h' || c == 'l') {
                                f |= (c == 'h' ? flag_short : flag_long);
                                c = *fmt++;
                        }
                        if (c == 'd' || c == 'i') {
                                long int value;
                                if (f & flag_short) {
                                        value = (short int) va_arg(arg, int);
                                } else if (f & flag_long) {
                                        value = va_arg(arg, long int);
                                } else {
                                        value = va_arg(arg, int);
                                }
                                if (value >= 0) {
                                        if (f & flag_plus) {
                                                put_ulong(&buf, value, 10, 0, T("+"), width, prec, f);
                                        } else if (f & flag_space) {
                                                put_ulong(&buf, value, 10, 0, T(" "), width, prec, f);
                                        } else {
                                                put_ulong(&buf, value, 10, 0, NULL, width, prec, f);
                                        }
                                } else {
                                        put_ulong(&buf, -value, 10, 0, T("-"), width, prec, f);
                                }
                        } else if (c == 'o' || c == 'u' || c == 'x' || c == 'X') {
                                unsigned long int value;
                                if (f & flag_short) {
                                        value = (unsigned short int) va_arg(arg, unsigned int);
                                } else if (f & flag_long) {
                                        value = va_arg(arg, unsigned long int);
                                } else {
                                        value = va_arg(arg, unsigned int);
                                }
                                if (c == 'o') {
                                        if (f & flag_hash && value != 0) {
                                                put_ulong(&buf, value, 8, 0, T("0"), width, prec, f);
                                        } else {
                                                put_ulong(&buf, value, 8, 0, NULL, width, prec, f);
                                        }
                                } else if (c == 'u') {
                                        put_ulong(&buf, value, 10, 0, NULL, width, prec, f);
                                } else {
                                        if (f & flag_hash && value != 0) {
                                                if (c == 'x') {
                                                        put_ulong(&buf, value, 16, 0, T("0x"), width,
                                                                prec, f);
                                                } else {
                                                        put_ulong(&buf, value, 16, 1, T("0X"), width,
                                                                prec, f);
                                                }
                                        } else {
                                                put_ulong(&buf, value, 16, 0, NULL, width, prec, f);
                                        }
                                }
 
                        } else if (c == 'c') {
                                char_t value = va_arg(arg, int);
                                put_char(&buf, value);
 
                        } else if (c == 's' || c == 'S') {
                                char_t *value = va_arg(arg, char_t *);
                                if (value == NULL) {
                                        put_string(&buf, T("(null)"), -1, width, prec, f);
                                } else if (f & flag_hash) {
                                        put_string(&buf,
                                                value + 1, (char_t) *value, width, prec, f);
                                } else {
                                        put_string(&buf, value, -1, width, prec, f);
                                }
                        } else if (c == 'p') {
                                void *value = va_arg(arg, void *);
                                put_ulong(&buf,
                                        (unsigned long int) value, 16, 0, T("0x"), width, prec, f);
                        } else if (c == 'n') {
                                if (f & flag_short) {
                                        short int *value = va_arg(arg, short int *);
                                        *value = buf.count;
                                } else if (f & flag_long) {
                                        long int *value = va_arg(arg, long int *);
                                        *value = buf.count;
                                } else {
                                        int *value = va_arg(arg, int *);
                                        *value = buf.count;
                                }
                        } else {
                                put_char(&buf, c);
                        }
                }
        }
        if (buf.s == NULL) {
                put_char(&buf, '\0');
        }
 
/*
 *      If the user requested a dynamic buffer (*s == NULL), ensure it is returned.
 */
        if (*s == NULL || msize != 0) {
                *s = buf.s;
        }
 
        if (*s != NULL && size > 0) {
                if (buf.count < size) {
                        (*s)[buf.count] = '\0';
                } else {
                        (*s)[buf.size - 1] = '\0';
                }
        }
 
        if (msize != 0) {
                return buf.size;
        }
        return buf.count;
}
 
/******************************************************************************/
/*
 *      Return the length of a string limited by a given length
 */
 
static int strnlen(char_t *s, unsigned int n)
{
        unsigned int    len;
 
        len = gstrlen(s);
        return min(len, n);
}
 
/******************************************************************************/
/*
 *      Add a character to a string buffer
 */
 
static void put_char(strbuf_t *buf, char_t c)
{
        if (buf->count >= buf->size) {
                if (! (buf->flags & STR_REALLOC)) {
                        return;
                }
                buf->size += STR_INC;
                if (buf->size > buf->max && buf->size > STR_INC) {
                        a_assert(buf->size <= buf->max);
                        buf->size -= STR_INC;
                        return;
                }
                if (buf->s == NULL) {
                        buf->s = balloc(B_L, buf->size * sizeof(char_t*));
                } else {
                        buf->s = brealloc(B_L, buf->s, buf->size * sizeof(char_t*));
                }
        }
        buf->s[buf->count] = c;
        ++buf->count;
}
 
/******************************************************************************/
/*
 *      Add a string to a string buffer
 */
 
static void put_string(strbuf_t *buf, char_t *s, int len, int width,
        int prec, enum flag f)
{
        int             i;
 
        if (len < 0) {
                len = strnlen(s, prec >= 0 ? prec : ULONG_MAX);
        } else if (prec >= 0 && prec < len) {
                len = prec;
        }
        if (width > len && !(f & flag_minus)) {
                for (i = len; i < width; ++i) {
                        put_char(buf, ' ');
                }
        }
        for (i = 0; i < len; ++i) {
                put_char(buf, s[i]);
        }
        if (width > len && f & flag_minus) {
                for (i = len; i < width; ++i) {
                        put_char(buf, ' ');
                }
        }
}
 
/******************************************************************************/
/*
 *      Add a long to a string buffer
 */
 
static void put_ulong(strbuf_t *buf, unsigned long int value, int base,
        int upper, char_t *prefix, int width, int prec, enum flag f)
{
        unsigned long   x, x2;
        int                             len, zeros, i;
 
        for (len = 1, x = 1; x < ULONG_MAX / base; ++len, x = x2) {
                x2 = x * base;
                if (x2 > value) {
                        break;
                }
        }
        zeros = (prec > len) ? prec - len : 0;
        width -= zeros + len;
        if (prefix != NULL) {
                width -= strnlen(prefix, ULONG_MAX);
        }
        if (!(f & flag_minus)) {
                for (i = 0; i < width; ++i) {
                        put_char(buf, ' ');
                }
        }
        if (prefix != NULL) {
                put_string(buf, prefix, -1, 0, -1, flag_none);
        }
        for (i = 0; i < zeros; ++i) {
                put_char(buf, '0');
        }
        for ( ; x > 0; x /= base) {
                int digit = (value / x) % base;
                put_char(buf, (char) ((digit < 10 ? '0' : (upper ? 'A' : 'a') - 10) +
                        digit));
        }
        if (f & flag_minus) {
                for (i = 0; i < width; ++i) {
                        put_char(buf, ' ');
                }
        }
}
 
/******************************************************************************/
/*
 *      Convert an ansi string to a unicode string. On an error, we return the
 *      original ansi string which is better than returning NULL. nBytes is the
 *      size of the destination buffer (ubuf) in _bytes_.
 */
 
char_t *ascToUni(char_t *ubuf, char *str, int nBytes)
{
#if UNICODE
        if (MultiByteToWideChar(CP_ACP, 0, str, nBytes / sizeof(char_t), ubuf,
                        nBytes / sizeof(char_t)) < 0) {
                return (char_t*) str;
        }
#else
        memcpy(ubuf, str, nBytes);
#endif
        return ubuf;
}
 
/******************************************************************************/
/*
 *      Convert a unicode string to an ansi string. On an error, return the
 *      original unicode string which is better than returning NULL.
 *      N.B. nBytes is the number of _bytes_ in the destination buffer, buf.
 */
 
char *uniToAsc(char *buf, char_t* ustr, int nBytes)
{
#if UNICODE
        if (WideCharToMultiByte(CP_ACP, 0, ustr, nBytes, buf, nBytes, NULL,
                        NULL) < 0) {
                return (char*) ustr;
        }
#else
        memcpy(buf, ustr, nBytes);
#endif
        return (char*) buf;
}
 
 
/******************************************************************************/
/*
 *      allocate (balloc) a buffer and do ascii to unicode conversion into it.
 *      cp points to the ascii string which must be NULL terminated.
 *      Return a pointer to the unicode buffer which must be bfree'd later.
 *      Return NULL on failure to get buffer.
 */
char_t *ballocAscToUni(char * cp)
{
        char_t * unip;
        int ulen;
 
        ulen = (strlen(cp) + 1) * sizeof(char_t);
        if ((unip = balloc(B_L, ulen)) == NULL) {
                return NULL;
        }
        ascToUni(unip, cp, ulen);
        return unip;
}
 
/******************************************************************************/
/*
 *      allocate (balloc) a buffer and do unicode to ascii conversion into it.
 *      unip points to the unicoded string. ulen is the number of characters
 *      in the unicode string including teminating null, if there is one.
 *      Return a pointer to the ascii buffer which must be bfree'd later.
 *      Return NULL on failure to get buffer.
 */
char *ballocUniToAsc(char_t * unip, int ulen)
{
        char * cp;
 
        if ((cp = balloc(B_L, ulen)) == NULL) {
                return NULL;
        }
        uniToAsc(cp, unip, ulen);
        return cp;
}
 
/******************************************************************************/
 

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Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [libnetworking/] [rtems_webserver/] [misc.c] - Blame information for rev 493

Line No.	Rev	Author	Line
1	30	unneback	`/*`
2			`* misc.c -- Miscellaneous routines.`
3			`*`
4			`* Copyright (c) GoAhead Software Inc., 1995-1999. All Rights Reserved.`
5			`*`
6			`* See the file "license.txt" for usage and redistribution license requirements`
7			`*/`
8
9			`/******************************* Includes *********************************/`
10
11			`#if UEMF`
12			`#include "uemf.h"`
13			`#else`
14			`#include "basic/basicInternal.h"`
15			`#endif`
16
17			`/******************************* Defines **********************************/`
18			`/*`
19			`* Sprintf buffer structure. Make the increment 8 less than 64 so that`
20			`* a balloc can use a 64 byte block.`
21			`*/`
22
23			`#define STR_REALLOC 0x1 /* Reallocate the buffer as required */`
24			`#define STR_INC 58 /* Growth increment */`
25
26			`typedef struct {`
27			`char_t s; / Pointer to buffer */`
28			`int size; /* Current buffer size */`
29			`int max; /* Maximum buffer size */`
30			`int count; /* Buffer count */`
31			`int flags; /* Allocation flags */`
32			`} strbuf_t;`
33
34			`/*`
35			`* Sprintf formatting flags`
36			`*/`
37			`enum flag {`
38			`flag_none = 0,`
39			`flag_minus = 1,`
40			`flag_plus = 2,`
41			`flag_space = 4,`
42			`flag_hash = 8,`
43			`flag_zero = 16,`
44			`flag_short = 32,`
45			`flag_long = 64`
46			`};`
47
48			`/************************ Forward Declarations ****************************/`
49
50			`static int dsnprintf(char_t *s, int size, char_t fmt, va_list arg,`
51			`int msize);`
52			`static int strnlen(char_t *s, unsigned int n);`
53			`static void put_char(strbuf_t *buf, char_t c);`
54			`static void put_string(strbuf_t buf, char_t s, int len,`
55			`int width, int prec, enum flag f);`
56			`static void put_ulong(strbuf_t *buf, unsigned long int value, int base,`
57			`int upper, char_t *prefix, int width, int prec, enum flag f);`
58
59			`/********************************** Code **********************************/`
60			`/*`
61			`* "basename" returns a pointer to the last component of a pathname`
62			`* LINUX, RTEMS, and LynxOS have their own basename function`
63			`*/`
64
65			`#if ! LINUX & ! __rtems__ & ! LYNX`
66			`char_t basename(char_t name)`
67			`{`
68			`char_t *cp;`
69
70			`#if NW \|\| WIN`
71			`if (((cp = gstrrchr(name, '\\')) == NULL) &&`
72			`((cp = gstrrchr(name, '/')) == NULL)) {`
73			`return name;`
74			`#else`
75			`if ((cp = gstrrchr(name, '/')) == NULL) {`
76			`return name;`
77			`#endif`
78			`} else if (*(cp + 1) == '\0' && cp == name) {`
79			`return name;`
80			`} else if (*(cp + 1) == '\0' && cp != name) {`
81			`return T("");`
82			`} else {`
83			`return ++cp;`
84			`}`
85			`}`
86			`#endif /* ! LINUX && ! __rtems__ && ! LYNX */`
87
88			`/******************************************************************************/`
89			`/*`
90			`* Returns a pointer to the directory component of a pathname. bufsize is`
91			`* the size of the buffer in BYTES!`
92			`*/`
93
94			`char_t dirname(char_t buf, char_t* name, int bufsize)`
95			`{`
96			`char_t* cp;`
97			`int len;`
98
99			`a_assert(name);`
100			`a_assert(buf);`
101			`a_assert(bufsize > 0);`
102
103			`#if WIN \|\| NW`
104			`if ((cp = gstrrchr(name, '/')) == NULL &&`
105			`(cp = gstrrchr(name, '\\')) == NULL)`
106			`#else`
107			`if ((cp = gstrrchr(name, '/')) == NULL)`
108			`#endif`
109			`{`
110			`gstrcpy(buf, T("."));`
111			`return buf;`
112			`}`
113
114			`if ((*(cp + 1) == '\0' && cp == name)) {`
115			`gstrncpy(buf, T("."), TSZ(bufsize));`
116			`gstrcpy(buf, T("."));`
117			`return buf;`
118			`}`
119
120			`len = cp - name;`
121
122			`if (len < bufsize) {`
123			`gstrncpy(buf, name, len);`
124			`buf[len] = '\0';`
125			`} else {`
126			`gstrncpy(buf, name, TSZ(bufsize));`
127			`buf[bufsize - 1] = '\0';`
128			`}`
129
130			`return buf;`
131			`}`
132
133			`/******************************************************************************/`
134			`/*`
135			`* sprintf and vsprintf are bad, ok. You can easily clobber memory. Use`
136			`* gsnprintf and gvsnprintf instead! These functions do _not_ support floating`
137			`* point, like %e, %f, %g...`
138			`*/`
139
140			`int gsnprintf(char_t *s, int n, char_t fmt, ...)`
141			`{`
142			`va_list ap;`
143			`int result;`
144
145			`a_assert(s);`
146			`a_assert(fmt);`
147
148			`*s = NULL;`
149			`va_start(ap, fmt);`
150			`result = gvsnprintf(s, n, fmt, ap);`
151			`va_end(ap);`
152			`return result;`
153			`}`
154
155			`/******************************************************************************/`
156			`/*`
157			`* This function appends the formatted string to the supplied string,`
158			`* reallocing if required.`
159			`*/`
160
161			`int gsprintfRealloc(char_t *s, int n, int msize, char_t fmt, ...)`
162			`{`
163			`va_list ap;`
164			`int result;`
165
166			`a_assert(s);`
167			`a_assert(fmt);`
168
169			`if (msize == -1) {`
170			`*s = NULL;`
171			`}`
172			`va_start(ap, fmt);`
173			`result = dsnprintf(s, n, fmt, ap, msize);`
174			`va_end(ap);`
175			`return result;`
176			`}`
177
178			`/******************************************************************************/`
179			`/*`
180			`* A vsprintf replacement.`
181			`*/`
182
183			`int gvsnprintf(char_t *s, int n, char_t fmt, va_list arg)`
184			`{`
185			`a_assert(s);`
186			`a_assert(fmt);`
187
188			`return dsnprintf(s, n, fmt, arg, 0);`
189			`}`
190
191			`/******************************************************************************/`
192			`/*`
193			`* Dynamic sprintf implementation. Supports dynamic buffer allocation also.`
194			`* This function can be called multiple times to grow an existing allocated`
195			`* buffer. In this case, msize is set to the size of the previously allocated`
196			`* buffer. The buffer will be realloced, as required. If msize is set, we`
197			`* return the size of the allocated buffer for use with the next call. For`
198			`* the first call, msize can be set to -1.`
199			`*/`
200
201			`static int dsnprintf(char_t *s, int size, char_t fmt, va_list arg, int msize)`
202			`{`
203			`strbuf_t buf;`
204			`char_t c;`
205
206			`a_assert(s);`
207			`a_assert(fmt);`
208
209			`memset(&buf, 0, sizeof(buf));`
210			`buf.s = *s;`
211
212			`if (*s == NULL \|\| msize != 0) {`
213			`buf.max = size;`
214			`buf.flags \|= STR_REALLOC;`
215			`if (msize != 0) {`
216			`buf.size = max(msize, 0);`
217			`}`
218			`if (*s != NULL && msize != 0) {`
219			`buf.count = gstrlen(*s);`
220			`}`
221			`} else {`
222			`buf.size = size;`
223			`}`
224
225			`while ((c = *fmt++) != '\0') {`
226			`if (c != '%' \|\| (c = *fmt++) == '%') {`
227			`put_char(&buf, c);`
228			`} else {`
229			`enum flag f = flag_none;`
230			`int width = 0;`
231			`int prec = -1;`
232			`for ( ; c != '\0'; c = *fmt++) {`
233			`if (c == '-') {`
234			`f \|= flag_minus;`
235			`} else if (c == '+') {`
236			`f \|= flag_plus;`
237			`} else if (c == ' ') {`
238			`f \|= flag_space;`
239			`} else if (c == '#') {`
240			`f \|= flag_hash;`
241			`} else if (c == '0') {`
242			`f \|= flag_zero;`
243			`} else {`
244			`break;`
245			`}`
246			`}`
247			`if (c == '*') {`
248			`width = va_arg(arg, int);`
249			`if (width < 0) {`
250			`f \|= flag_minus;`
251			`width = -width;`
252			`}`
253			`c = *fmt++;`
254			`} else {`
255			`for ( ; gisdigit(c); c = *fmt++) {`
256			`width = width * 10 + (c - '0');`
257			`}`
258			`}`
259			`if (c == '.') {`
260			`f &= ~flag_zero;`
261			`c = *fmt++;`
262			`if (c == '*') {`
263			`prec = va_arg(arg, int);`
264			`c = *fmt++;`
265			`} else {`
266			`for (prec = 0; gisdigit(c); c = *fmt++) {`
267			`prec = prec * 10 + (c - '0');`
268			`}`
269			`}`
270			`}`
271			`if (c == 'h' \|\| c == 'l') {`
272			`f \|= (c == 'h' ? flag_short : flag_long);`
273			`c = *fmt++;`
274			`}`
275			`if (c == 'd' \|\| c == 'i') {`
276			`long int value;`
277			`if (f & flag_short) {`
278			`value = (short int) va_arg(arg, int);`
279			`} else if (f & flag_long) {`
280			`value = va_arg(arg, long int);`
281			`} else {`
282			`value = va_arg(arg, int);`
283			`}`
284			`if (value >= 0) {`
285			`if (f & flag_plus) {`
286			`put_ulong(&buf, value, 10, 0, T("+"), width, prec, f);`
287			`} else if (f & flag_space) {`
288			`put_ulong(&buf, value, 10, 0, T(" "), width, prec, f);`
289			`} else {`
290			`put_ulong(&buf, value, 10, 0, NULL, width, prec, f);`
291			`}`
292			`} else {`
293			`put_ulong(&buf, -value, 10, 0, T("-"), width, prec, f);`
294			`}`
295			`} else if (c == 'o' \|\| c == 'u' \|\| c == 'x' \|\| c == 'X') {`
296			`unsigned long int value;`
297			`if (f & flag_short) {`
298			`value = (unsigned short int) va_arg(arg, unsigned int);`
299			`} else if (f & flag_long) {`
300			`value = va_arg(arg, unsigned long int);`
301			`} else {`
302			`value = va_arg(arg, unsigned int);`
303			`}`
304			`if (c == 'o') {`
305			`if (f & flag_hash && value != 0) {`
306			`put_ulong(&buf, value, 8, 0, T("0"), width, prec, f);`
307			`} else {`
308			`put_ulong(&buf, value, 8, 0, NULL, width, prec, f);`
309			`}`
310			`} else if (c == 'u') {`
311			`put_ulong(&buf, value, 10, 0, NULL, width, prec, f);`
312			`} else {`
313			`if (f & flag_hash && value != 0) {`
314			`if (c == 'x') {`
315			`put_ulong(&buf, value, 16, 0, T("0x"), width,`
316			`prec, f);`
317			`} else {`
318			`put_ulong(&buf, value, 16, 1, T("0X"), width,`
319			`prec, f);`
320			`}`
321			`} else {`
322			`put_ulong(&buf, value, 16, 0, NULL, width, prec, f);`
323			`}`
324			`}`
325
326			`} else if (c == 'c') {`
327			`char_t value = va_arg(arg, int);`
328			`put_char(&buf, value);`
329
330			`} else if (c == 's' \|\| c == 'S') {`
331			`char_t value = va_arg(arg, char_t );`
332			`if (value == NULL) {`
333			`put_string(&buf, T("(null)"), -1, width, prec, f);`
334			`} else if (f & flag_hash) {`
335			`put_string(&buf,`
336			`value + 1, (char_t) *value, width, prec, f);`
337			`} else {`
338			`put_string(&buf, value, -1, width, prec, f);`
339			`}`
340			`} else if (c == 'p') {`
341			`void value = va_arg(arg, void );`
342			`put_ulong(&buf,`
343			`(unsigned long int) value, 16, 0, T("0x"), width, prec, f);`
344			`} else if (c == 'n') {`
345			`if (f & flag_short) {`
346			`short int value = va_arg(arg, short int );`
347			`*value = buf.count;`
348			`} else if (f & flag_long) {`
349			`long int value = va_arg(arg, long int );`
350			`*value = buf.count;`
351			`} else {`
352			`int value = va_arg(arg, int );`
353			`*value = buf.count;`
354			`}`
355			`} else {`
356			`put_char(&buf, c);`
357			`}`
358			`}`
359			`}`
360			`if (buf.s == NULL) {`
361			`put_char(&buf, '\0');`
362			`}`
363
364			`/*`
365			`* If the user requested a dynamic buffer (*s == NULL), ensure it is returned.`
366			`*/`
367			`if (*s == NULL \|\| msize != 0) {`
368			`*s = buf.s;`
369			`}`
370
371			`if (*s != NULL && size > 0) {`
372			`if (buf.count < size) {`
373			`(*s)[buf.count] = '\0';`
374			`} else {`
375			`(*s)[buf.size - 1] = '\0';`
376			`}`
377			`}`
378
379			`if (msize != 0) {`
380			`return buf.size;`
381			`}`
382			`return buf.count;`
383			`}`
384
385			`/******************************************************************************/`
386			`/*`
387			`* Return the length of a string limited by a given length`
388			`*/`
389
390			`static int strnlen(char_t *s, unsigned int n)`
391			`{`
392			`unsigned int len;`
393
394			`len = gstrlen(s);`
395			`return min(len, n);`
396			`}`
397
398			`/******************************************************************************/`
399			`/*`
400			`* Add a character to a string buffer`
401			`*/`
402
403			`static void put_char(strbuf_t *buf, char_t c)`
404			`{`
405			`if (buf->count >= buf->size) {`
406			`if (! (buf->flags & STR_REALLOC)) {`
407			`return;`
408			`}`
409			`buf->size += STR_INC;`
410			`if (buf->size > buf->max && buf->size > STR_INC) {`
411			`a_assert(buf->size <= buf->max);`
412			`buf->size -= STR_INC;`
413			`return;`
414			`}`
415			`if (buf->s == NULL) {`
416			`buf->s = balloc(B_L, buf->size * sizeof(char_t*));`
417			`} else {`
418			`buf->s = brealloc(B_L, buf->s, buf->size * sizeof(char_t*));`
419			`}`
420			`}`
421			`buf->s[buf->count] = c;`
422			`++buf->count;`
423			`}`
424
425			`/******************************************************************************/`
426			`/*`
427			`* Add a string to a string buffer`
428			`*/`
429
430			`static void put_string(strbuf_t buf, char_t s, int len, int width,`
431			`int prec, enum flag f)`
432			`{`
433			`int i;`
434
435			`if (len < 0) {`
436			`len = strnlen(s, prec >= 0 ? prec : ULONG_MAX);`
437			`} else if (prec >= 0 && prec < len) {`
438			`len = prec;`
439			`}`
440			`if (width > len && !(f & flag_minus)) {`
441			`for (i = len; i < width; ++i) {`
442			`put_char(buf, ' ');`
443			`}`
444			`}`
445			`for (i = 0; i < len; ++i) {`
446			`put_char(buf, s[i]);`
447			`}`
448			`if (width > len && f & flag_minus) {`
449			`for (i = len; i < width; ++i) {`
450			`put_char(buf, ' ');`
451			`}`
452			`}`
453			`}`
454
455			`/******************************************************************************/`
456			`/*`
457			`* Add a long to a string buffer`
458			`*/`
459
460			`static void put_ulong(strbuf_t *buf, unsigned long int value, int base,`
461			`int upper, char_t *prefix, int width, int prec, enum flag f)`
462			`{`
463			`unsigned long x, x2;`
464			`int len, zeros, i;`
465
466			`for (len = 1, x = 1; x < ULONG_MAX / base; ++len, x = x2) {`
467			`x2 = x * base;`
468			`if (x2 > value) {`
469			`break;`
470			`}`
471			`}`
472			`zeros = (prec > len) ? prec - len : 0;`
473			`width -= zeros + len;`
474			`if (prefix != NULL) {`
475			`width -= strnlen(prefix, ULONG_MAX);`
476			`}`
477			`if (!(f & flag_minus)) {`
478			`for (i = 0; i < width; ++i) {`
479			`put_char(buf, ' ');`
480			`}`
481			`}`
482			`if (prefix != NULL) {`
483			`put_string(buf, prefix, -1, 0, -1, flag_none);`
484			`}`
485			`for (i = 0; i < zeros; ++i) {`
486			`put_char(buf, '0');`
487			`}`
488			`for ( ; x > 0; x /= base) {`
489			`int digit = (value / x) % base;`
490			`put_char(buf, (char) ((digit < 10 ? '0' : (upper ? 'A' : 'a') - 10) +`
491			`digit));`
492			`}`
493			`if (f & flag_minus) {`
494			`for (i = 0; i < width; ++i) {`
495			`put_char(buf, ' ');`
496			`}`
497			`}`
498			`}`
499
500			`/******************************************************************************/`
501			`/*`
502			`* Convert an ansi string to a unicode string. On an error, we return the`
503			`* original ansi string which is better than returning NULL. nBytes is the`
504			`* size of the destination buffer (ubuf) in _bytes_.`
505			`*/`
506
507			`char_t ascToUni(char_t ubuf, char *str, int nBytes)`
508			`{`
509			`#if UNICODE`
510			`if (MultiByteToWideChar(CP_ACP, 0, str, nBytes / sizeof(char_t), ubuf,`
511			`nBytes / sizeof(char_t)) < 0) {`
512			`return (char_t*) str;`
513			`}`
514			`#else`
515			`memcpy(ubuf, str, nBytes);`
516			`#endif`
517			`return ubuf;`
518			`}`
519
520			`/******************************************************************************/`
521			`/*`
522			`* Convert a unicode string to an ansi string. On an error, return the`
523			`* original unicode string which is better than returning NULL.`
524			`* N.B. nBytes is the number of _bytes_ in the destination buffer, buf.`
525			`*/`
526
527			`char uniToAsc(char buf, char_t* ustr, int nBytes)`
528			`{`
529			`#if UNICODE`
530			`if (WideCharToMultiByte(CP_ACP, 0, ustr, nBytes, buf, nBytes, NULL,`
531			`NULL) < 0) {`
532			`return (char*) ustr;`
533			`}`
534			`#else`
535			`memcpy(buf, ustr, nBytes);`
536			`#endif`
537			`return (char*) buf;`
538			`}`
539
540
541			`/******************************************************************************/`
542			`/*`
543			`* allocate (balloc) a buffer and do ascii to unicode conversion into it.`
544			`* cp points to the ascii string which must be NULL terminated.`
545			`* Return a pointer to the unicode buffer which must be bfree'd later.`
546			`* Return NULL on failure to get buffer.`
547			`*/`
548			`char_t ballocAscToUni(char cp)`
549			`{`
550			`char_t * unip;`
551			`int ulen;`
552
553			`ulen = (strlen(cp) + 1) * sizeof(char_t);`
554			`if ((unip = balloc(B_L, ulen)) == NULL) {`
555			`return NULL;`
556			`}`
557			`ascToUni(unip, cp, ulen);`
558			`return unip;`
559			`}`
560
561			`/******************************************************************************/`
562			`/*`
563			`* allocate (balloc) a buffer and do unicode to ascii conversion into it.`
564			`* unip points to the unicoded string. ulen is the number of characters`
565			`* in the unicode string including teminating null, if there is one.`
566			`* Return a pointer to the ascii buffer which must be bfree'd later.`
567			`* Return NULL on failure to get buffer.`
568			`*/`
569			`char ballocUniToAsc(char_t unip, int ulen)`
570			`{`
571			`char * cp;`
572
573			`if ((cp = balloc(B_L, ulen)) == NULL) {`
574			`return NULL;`
575			`}`
576			`uniToAsc(cp, unip, ulen);`
577			`return cp;`
578			`}`
579
580			`/******************************************************************************/`
581