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Diffstat (limited to 'cleopatre/application/spidgoahead/misc.c')
-rw-r--r--cleopatre/application/spidgoahead/misc.c690
1 files changed, 690 insertions, 0 deletions
diff --git a/cleopatre/application/spidgoahead/misc.c b/cleopatre/application/spidgoahead/misc.c
new file mode 100644
index 0000000000..1e7f8c54df
--- /dev/null
+++ b/cleopatre/application/spidgoahead/misc.c
@@ -0,0 +1,690 @@
+/*
+ * 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: misc.c,v 1.6 2003/09/29 19:50:24 bporter Exp $
+ */
+
+/********************************* Includes ***********************************/
+
+#ifdef UEMF
+ #include "uemf.h"
+#else
+ #include "basic/basicInternal.h"
+#endif
+
+/*
+ * 16 Sep 03 -- added option to use memcpy() instead of strncpy() in the
+ * ascToUni and uniToAsc functions.
+ */
+#define kUseMemcopy
+
+
+/********************************* 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);
+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, 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((int)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((int)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
+ */
+
+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 - 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
+
+#ifdef kUseMemcopy
+ memcpy(ubuf, str, nBytes);
+#else
+ strncpy(ubuf, str, nBytes);
+#endif /*kUseMemcopy*/
+#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
+#ifdef kUseMemcopy
+ memcpy(buf, ustr, nBytes);
+#else
+ strncpy(buf, ustr, nBytes);
+#endif /* kUseMemcopy */
+#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);
+}
+
+/******************************************************************************/
+
+