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author | Ralf Corsepius <ralf.corsepius@rtems.org> | 2010-06-09 05:46:03 +0000 |
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committer | Ralf Corsepius <ralf.corsepius@rtems.org> | 2010-06-09 05:46:03 +0000 |
commit | 44b7bcd59c6042aecef864cd45bc79508ff67d71 (patch) | |
tree | 14c9f01314d0c454030d0c87e9d11e7e6f5f4f59 /cpukit/httpd/misc.c | |
parent | 2010-06-08 Sebastian Huber <sebastian.huber@embedded-brains.de> (diff) | |
download | rtems-44b7bcd59c6042aecef864cd45bc79508ff67d71.tar.bz2 |
Remove (discontinued).
Diffstat (limited to 'cpukit/httpd/misc.c')
-rw-r--r-- | cpukit/httpd/misc.c | 675 |
1 files changed, 0 insertions, 675 deletions
diff --git a/cpukit/httpd/misc.c b/cpukit/httpd/misc.c deleted file mode 100644 index f9f4aac144..0000000000 --- a/cpukit/httpd/misc.c +++ /dev/null @@ -1,675 +0,0 @@ -/* - * misc.c -- Miscellaneous routines. - * - * Copyright (c) GoAhead Software Inc., 1995-2000. All Rights Reserved. - * - * See the file "license.txt" for usage and redistribution license requirements - * - * $Id$ - */ - -/********************************* Includes ***********************************/ - -#ifdef UEMF - #include "uemf.h" -#else - #include "basic/basicInternal.h" -#endif - -/********************************* Defines ************************************/ -/* - * Sprintf buffer structure. Make the increment 64 so that - * a balloc can use a 64 byte block. - */ - -#define STR_REALLOC 0x1 /* Reallocate the buffer as required */ -#define STR_INC 64 /* 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); -#if !defined(__rtems__) -static int strnlen(char_t *s, unsigned int n); -#endif -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, LynxOS and Mac OS X have their own basename function - */ - -#if (!defined (LINUX) && !defined (LYNX) && !defined (MACOSX)) -char_t *basename(char_t *name) -{ - char_t *cp; - -#if (defined (NW) || defined (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 & ! LYNX & ! MACOSX */ - -/******************************************************************************/ -/* - * 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 (defined (WIN) || defined (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 - * fmtAlloc and fmtValloc instead! These functions do _not_ support floating - * point, like %e, %f, %g... - */ - -int fmtAlloc(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 = dsnprintf(s, n, fmt, ap, 0); - va_end(ap); - return result; -} - -/******************************************************************************/ -/* - * Support a static buffer version for small buffers only! - */ - -int fmtStatic(char_t *s, int n, char_t *fmt, ...) -{ - va_list ap; - int result; - - a_assert(s); - a_assert(fmt); - a_assert(n <= 256); - - if (n <= 0) { - return -1; - } - va_start(ap, fmt); - result = dsnprintf(&s, n, fmt, ap, 0); - va_end(ap); - return result; -} - -/******************************************************************************/ -/* - * This function appends the formatted string to the supplied string, - * reallocing if required. - */ - -int fmtRealloc(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 fmtValloc(char_t **s, int n, char_t *fmt, va_list arg) -{ - a_assert(s); - a_assert(fmt); - - *s = NULL; - return dsnprintf(s, n, fmt, arg, 0); -} - -/******************************************************************************/ -/* - * Dynamic sprintf implementation. Supports dynamic buffer allocation. - * 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((unsigned char)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((unsigned char)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 { - /* 04 Apr 02 BgP -- changed so that %X correctly outputs - * uppercase hex digits when requested. - put_ulong(&buf, value, 16, 0, NULL, width, prec, f); - */ - put_ulong(&buf, value, 16, ('X' == c) , 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 - */ - -#if !defined(__rtems__) -static int strnlen(char_t *s, unsigned int n) -{ - unsigned int len; - - len = gstrlen(s); - return min(len, n); -} -#endif - -/******************************************************************************/ -/* - * Add a character to a string buffer - */ - -static void put_char(strbuf_t *buf, char_t c) -{ - if (buf->count >= (buf->size - 1)) { - if (! (buf->flags & STR_REALLOC)) { - return; - } - buf->size += STR_INC; - if (buf->size > buf->max && buf->size > STR_INC) { -/* - * Caller should increase the size of the calling buffer - */ - 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; - if (c != '\0') { - ++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)) { - if (f & flag_zero) { - for (i = 0; i < width; ++i) { - put_char(buf, '0'); - } - } else { - 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) -{ -#ifdef UNICODE - if (MultiByteToWideChar(CP_ACP, 0, str, nBytes / sizeof(char_t), ubuf, - nBytes / sizeof(char_t)) < 0) { - return (char_t*) str; - } -#else - strncpy(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) -{ -#ifdef UNICODE - if (WideCharToMultiByte(CP_ACP, 0, ustr, nBytes, buf, nBytes, NULL, - NULL) < 0) { - return (char*) ustr; - } -#else - strncpy(buf, ustr, nBytes); -#endif - return (char*) buf; -} - -/******************************************************************************/ -/* - * allocate (balloc) a buffer and do ascii to unicode conversion into it. - * cp points to the ascii buffer. alen is the length of the buffer to be - * converted not including a terminating NULL. Return a pointer to the - * unicode buffer which must be bfree'd later. Return NULL on failure to - * get buffer. The buffer returned is NULL terminated. - */ - -char_t *ballocAscToUni(char *cp, int alen) -{ - char_t *unip; - int ulen; - - ulen = (alen + 1) * sizeof(char_t); - if ((unip = balloc(B_L, ulen)) == NULL) { - return NULL; - } - ascToUni(unip, cp, ulen); - unip[alen] = 0; - 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 not including a teminating null. Return a pointer - * to the ascii buffer which must be bfree'd later. Return NULL on failure - * to get buffer. The buffer returned is NULL terminated. - */ - -char *ballocUniToAsc(char_t *unip, int ulen) -{ - char * cp; - - if ((cp = balloc(B_L, ulen+1)) == NULL) { - return NULL; - } - uniToAsc(cp, unip, ulen); - cp[ulen] = '\0'; - return cp; -} - -/******************************************************************************/ -/* - * convert a hex string to an integer. The end of the string or a non-hex - * character will indicate the end of the hex specification. - */ - -unsigned int hextoi(char_t *hexstring) -{ - register char_t *h; - register unsigned int c, v; - - v = 0; - h = hexstring; - if (*h == '0' && (*(h+1) == 'x' || *(h+1) == 'X')) { - h += 2; - } - while ((c = (unsigned int)*h++) != 0) { - if (c >= '0' && c <= '9') { - c -= '0'; - } else if (c >= 'a' && c <= 'f') { - c = (c - 'a') + 10; - } else if (c >= 'A' && c <= 'F') { - c = (c - 'A') + 10; - } else { - break; - } - v = (v * 0x10) + c; - } - return v; -} - -/******************************************************************************/ -/* - * convert a string to an integer. If the string starts with "0x" or "0X" - * a hexidecimal conversion is done. - */ - -unsigned int gstrtoi(char_t *s) -{ - if (*s == '0' && (*(s+1) == 'x' || *(s+1) == 'X')) { - s += 2; - return hextoi(s); - } - return gatoi(s); -} - -/******************************************************************************/ |