* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
- * Modified by the GLib Team and others 1997-1999. See the AUTHORS
+ * Modified by the GLib Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GLib Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GLib at ftp://ftp.gtk.org/pub/gtk/.
#include <signal.h>
#endif
#include "glib.h"
+
+#ifdef G_OS_WIN32
+#include <windows.h>
+#endif
+
/* do not include <unistd.h> in this place since it
* inteferes with g_strsignal() on some OSes
*/
{
gchar *old_locale;
- old_locale = setlocale (LC_NUMERIC, "C");
+ old_locale = g_strdup (setlocale (LC_NUMERIC, NULL));
+ setlocale (LC_NUMERIC, "C");
val_2 = strtod (nptr, &fail_pos_2);
setlocale (LC_NUMERIC, old_locale);
+ g_free (old_locale);
}
if (!fail_pos_1 || fail_pos_1[0] == 0 || fail_pos_1 >= fail_pos_2)
char *msg;
#ifdef HAVE_STRSIGNAL
-#ifdef GLIB_NATIVE_BEOS
+#ifdef G_OS_BEOS
extern const char * strsignal(int);
-#else /* !GLIB_NATIVE_BEOS */
+#else /* !G_OS_BEOS */
/* this is declared differently (const) in string.h on BeOS */
extern char *strsignal (int sig);
-#endif /* !GLIB_NATIVE_BEOS */
+#endif /* !G_OS_BEOS */
return strsignal (signum);
#elif NO_SYS_SIGLIST
switch (signum)
}
sprintf (msg, "unknown signal (%d)", signum);
-
+
return msg;
}
-guint
-g_printf_string_upper_bound (const gchar* format,
- va_list args)
+/* Functions g_strlcpy and g_strlcat were originally developed by
+ * Todd C. Miller <Todd.Miller@courtesan.com> to simplify writing secure code.
+ * See ftp://ftp.openbsd.org/pub/OpenBSD/src/lib/libc/string/strlcpy.3
+ * for more information.
+ */
+
+#ifdef HAVE_STRLCPY
+/* Use the native ones, if available; they might be implemented in assembly */
+gsize
+g_strlcpy (gchar *dest,
+ const gchar *src,
+ gsize dest_size)
{
- guint len = 1;
+ g_return_val_if_fail (dest != NULL, NULL);
+ g_return_val_if_fail (src != NULL, NULL);
+
+ return strlcpy (dest, src, dest_size);
+}
- while (*format)
- {
- gboolean long_int = FALSE;
- gboolean extra_long = FALSE;
- gchar c;
+gsize
+g_strlcat (gchar *dest,
+ const gchar *src,
+ gsize dest_size)
+{
+ g_return_val_if_fail (dest != NULL, NULL);
+ g_return_val_if_fail (src != NULL, NULL);
+
+ return strlcat (dest, src, dest_size);
+}
- c = *format++;
+#else /* ! HAVE_STRLCPY */
+/* g_strlcpy
+ *
+ * Copy string src to buffer dest (of buffer size dest_size). At most
+ * dest_size-1 characters will be copied. Always NUL terminates
+ * (unless dest_size == 0). This function does NOT allocate memory.
+ * Unlike strncpy, this function doesn't pad dest (so it's often faster).
+ * Returns size of attempted result, strlen(src),
+ * so if retval >= dest_size, truncation occurred.
+ */
+gsize
+g_strlcpy (gchar *dest,
+ const gchar *src,
+ gsize dest_size)
+{
+ register gchar *d = dest;
+ register const gchar *s = src;
+ register gsize n = dest_size;
+
+ g_return_val_if_fail (dest != NULL, NULL);
+ g_return_val_if_fail (src != NULL, NULL);
+
+ /* Copy as many bytes as will fit */
+ if (n != 0 && --n != 0)
+ do
+ {
+ register gchar c = *s++;
+
+ *d++ = c;
+ if (c == 0)
+ break;
+ }
+ while (--n != 0);
+
+ /* If not enough room in dest, add NUL and traverse rest of src */
+ if (n == 0)
+ {
+ if (dest_size != 0)
+ *d = 0;
+ while (*s++)
+ ;
+ }
+
+ return s - src - 1; /* count does not include NUL */
+}
- if (c == '%')
+/* g_strlcat
+ *
+ * Appends string src to buffer dest (of buffer size dest_size).
+ * At most dest_size-1 characters will be copied.
+ * Unlike strncat, dest_size is the full size of dest, not the space left over.
+ * This function does NOT allocate memory.
+ * This always NUL terminates (unless siz == 0 or there were no NUL characters
+ * in the dest_size characters of dest to start with).
+ * Returns size of attempted result, which is
+ * MIN (dest_size, strlen (original dest)) + strlen (src),
+ * so if retval >= dest_size, truncation occurred.
+ */
+gsize
+g_strlcat (gchar *dest,
+ const gchar *src,
+ gsize dest_size)
+{
+ register gchar *d = dest;
+ register const gchar *s = src;
+ register gsize bytes_left = dest_size;
+ gsize dlength; /* Logically, MIN (strlen (d), dest_size) */
+
+ g_return_val_if_fail (dest != NULL, NULL);
+ g_return_val_if_fail (src != NULL, NULL);
+
+ /* Find the end of dst and adjust bytes left but don't go past end */
+ while (*d != 0 && bytes_left-- != 0)
+ d++;
+ dlength = d - dest;
+ bytes_left = dest_size - dlength;
+
+ if (bytes_left == 0)
+ return dlength + strlen (s);
+
+ while (*s != 0)
+ {
+ if (bytes_left != 1)
{
- gboolean done = FALSE;
-
- while (*format && !done)
- {
- switch (*format++)
- {
- gchar *string_arg;
-
- case '*':
- len += va_arg (args, int);
- break;
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- /* add specified format length, since it might exceed the
- * size we assume it to have.
- */
- format -= 1;
- len += strtol (format, (char**) &format, 10);
- break;
- case 'h':
- /* ignore short int flag, since all args have at least the
- * same size as an int
- */
- break;
- case 'l':
- if (long_int)
- extra_long = TRUE; /* linux specific */
- else
- long_int = TRUE;
- break;
- case 'q':
- case 'L':
- long_int = TRUE;
- extra_long = TRUE;
- break;
- case 's':
- string_arg = va_arg (args, char *);
- if (string_arg)
- len += strlen (string_arg);
- else
- {
- /* add enough padding to hold "(null)" identifier */
- len += 16;
- }
- done = TRUE;
- break;
- case 'd':
- case 'i':
- case 'o':
- case 'u':
- case 'x':
- case 'X':
-#ifdef G_HAVE_GINT64
- if (extra_long)
- (void) va_arg (args, gint64);
- else
-#endif /* G_HAVE_GINT64 */
- {
- if (long_int)
- (void) va_arg (args, long);
- else
- (void) va_arg (args, int);
- }
- len += extra_long ? 64 : 32;
- done = TRUE;
- break;
- case 'D':
- case 'O':
- case 'U':
- (void) va_arg (args, long);
- len += 32;
- done = TRUE;
- break;
- case 'e':
- case 'E':
- case 'f':
- case 'g':
-#ifdef HAVE_LONG_DOUBLE
- if (extra_long)
- (void) va_arg (args, long double);
- else
-#endif /* HAVE_LONG_DOUBLE */
- (void) va_arg (args, double);
- len += extra_long ? 64 : 32;
- done = TRUE;
- break;
- case 'c':
- (void) va_arg (args, int);
- len += 1;
- done = TRUE;
- break;
- case 'p':
- case 'n':
- (void) va_arg (args, void*);
- len += 32;
- done = TRUE;
- break;
- case '%':
- len += 1;
- done = TRUE;
- break;
- default:
- /* ignore unknow/invalid flags */
- break;
- }
- }
+ *d++ = *s;
+ bytes_left--;
}
- else
- len += 1;
+ s++;
}
-
- return len;
+ *d = 0;
+
+ return dlength + (s - src); /* count does not include NUL */
}
+#endif /* ! HAVE_STRLCPY */
-void
+gchar*
g_strdown (gchar *string)
{
register guchar *s;
-
- g_return_if_fail (string != NULL);
-
+
+ g_return_val_if_fail (string != NULL, NULL);
+
s = string;
-
+
while (*s)
{
*s = tolower (*s);
s++;
}
+
+ return string;
}
-void
+gchar*
g_strup (gchar *string)
{
register guchar *s;
- g_return_if_fail (string != NULL);
+ g_return_val_if_fail (string != NULL, NULL);
s = string;
*s = toupper (*s);
s++;
}
+
+ return string;
}
-void
+gchar*
g_strreverse (gchar *string)
{
- g_return_if_fail (string != NULL);
+ g_return_val_if_fail (string != NULL, NULL);
if (*string)
{
t--;
}
}
+
+ return string;
}
gint
g_return_val_if_fail (s1 != NULL, 0);
g_return_val_if_fail (s2 != NULL, 0);
- while (n-- && *s1 && *s2)
+ while (n && *s1 && *s2)
{
+ n -= 1;
/* According to A. Cox, some platforms have islower's that
* don't work right on non-uppercase
*/
}
if (n)
- return (((gint)(guchar) *s1) - ((gint)(guchar) *s2));
+ return (((gint) (guchar) *s1) - ((gint) (guchar) *s2));
else
return 0;
#endif
}
gchar*
-g_strescape (gchar *string)
+g_strcanon (gchar *string,
+ const gchar *valid_chars,
+ gchar subsitutor)
{
- gchar *q;
- gchar *escaped;
- guint escapes_needed = 0;
- gchar *p = string;
-
- g_message ("g_strescape() is deprecated");
+ register gchar *c;
g_return_val_if_fail (string != NULL, NULL);
+ g_return_val_if_fail (valid_chars != NULL, NULL);
+
+ for (c = string; *c; c++)
+ {
+ if (!strchr (valid_chars, *c))
+ *c = subsitutor;
+ }
+
+ return string;
+}
+
+gchar*
+g_strcompress (const gchar *source)
+{
+ const gchar *p = source, *octal;
+ gchar *dest = g_malloc (strlen (source) + 1);
+ gchar *q = dest;
+
+ while (*p)
+ {
+ if (*p == '\\')
+ {
+ p++;
+ switch (*p)
+ {
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7':
+ *q = 0;
+ octal = p;
+ while ((p < octal + 3) && (*p >= '0') && (*p <= '7'))
+ {
+ *q = (*q * 8) + (*p - '0');
+ p++;
+ }
+ q++;
+ p--;
+ break;
+ case 'b':
+ *q++ = '\b';
+ break;
+ case 'f':
+ *q++ = '\f';
+ break;
+ case 'n':
+ *q++ = '\n';
+ break;
+ case 'r':
+ *q++ = '\r';
+ break;
+ case 't':
+ *q++ = '\t';
+ break;
+ default: /* Also handles \" and \\ */
+ *q++ = *p;
+ break;
+ }
+ }
+ else
+ *q++ = *p;
+ p++;
+ }
+ *q = 0;
+
+ return dest;
+}
+
+gchar *
+g_strescape (const gchar *source,
+ const gchar *exceptions)
+{
+ const guchar *p = (guchar *) source;
+ /* Each source byte needs maximally four destination chars (\777) */
+ gchar *dest = g_malloc (strlen (source) * 4 + 1);
+ gchar *q = dest;
+ guchar excmap[256];
+
+ memset (excmap, 0, 256);
+ if (exceptions)
+ {
+ guchar *e = (guchar *) exceptions;
+
+ while (*e)
+ {
+ excmap[*e] = 1;
+ e++;
+ }
+ }
- while (*p != '\000')
+ while (*p)
{
- escapes_needed += (*p == '\\' || *p == '"');
+ if (excmap[*p])
+ *q++ = *p;
+ else
+ {
+ switch (*p)
+ {
+ case '\b':
+ *q++ = '\\';
+ *q++ = 'b';
+ break;
+ case '\f':
+ *q++ = '\\';
+ *q++ = 'f';
+ break;
+ case '\n':
+ *q++ = '\\';
+ *q++ = 'n';
+ break;
+ case '\r':
+ *q++ = '\\';
+ *q++ = 'r';
+ break;
+ case '\t':
+ *q++ = '\\';
+ *q++ = 't';
+ break;
+ case '\\':
+ *q++ = '\\';
+ *q++ = '\\';
+ break;
+ case '"':
+ *q++ = '\\';
+ *q++ = '"';
+ break;
+ default:
+ if ((*p < ' ') || (*p >= 0177))
+ {
+ *q++ = '\\';
+ *q++ = '0' + (((*p) >> 6) & 07);
+ *q++ = '0' + (((*p) >> 3) & 07);
+ *q++ = '0' + ((*p) & 07);
+ }
+ else
+ *q++ = *p;
+ break;
+ }
+ }
p++;
}
+ *q = 0;
+ return dest;
+}
- if (!escapes_needed)
- return g_strdup (string);
+/*
+ * g_filename_to_utf8
+ *
+ * Converts a string which is in the encoding used for file names by
+ * the C runtime (usually the same as that used by the operating
+ * system) in the current locale into a UTF-8 string.
+ */
- escaped = g_new (gchar, strlen (string) + escapes_needed + 1);
+gchar *
+g_filename_to_utf8 (const gchar *opsysstring)
+{
+#ifdef G_OS_WIN32
+
+ gint i, clen, wclen, first;
+ const gint len = strlen (opsysstring);
+ wchar_t *wcs, wc;
+ gchar *result, *bp;
+ const wchar_t *wcp;
- p = string;
- q = escaped;
+ wcs = g_new (wchar_t, len);
+ wclen = MultiByteToWideChar (CP_ACP, 0, opsysstring, len, wcs, len);
- while (*p != '\000')
+ wcp = wcs;
+ clen = 0;
+ for (i = 0; i < wclen; i++)
{
- if (*p == '\\' || *p == '"')
- *q++ = '\\';
- *q++ = *p++;
+ wc = *wcp++;
+
+ if (wc < 0x80)
+ clen += 1;
+ else if (wc < 0x800)
+ clen += 2;
+ else if (wc < 0x10000)
+ clen += 3;
+ else if (wc < 0x200000)
+ clen += 4;
+ else if (wc < 0x4000000)
+ clen += 5;
+ else
+ clen += 6;
}
- *q = '\000';
- return escaped;
+ result = g_malloc (clen + 1);
+
+ wcp = wcs;
+ bp = result;
+ for (i = 0; i < wclen; i++)
+ {
+ wc = *wcp++;
+
+ if (wc < 0x80)
+ {
+ first = 0;
+ clen = 1;
+ }
+ else if (wc < 0x800)
+ {
+ first = 0xc0;
+ clen = 2;
+ }
+ else if (wc < 0x10000)
+ {
+ first = 0xe0;
+ clen = 3;
+ }
+ else if (wc < 0x200000)
+ {
+ first = 0xf0;
+ clen = 4;
+ }
+ else if (wc < 0x4000000)
+ {
+ first = 0xf8;
+ clen = 5;
+ }
+ else
+ {
+ first = 0xfc;
+ clen = 6;
+ }
+
+ /* Woo-hoo! */
+ switch (clen)
+ {
+ case 6: bp[5] = (wc & 0x3f) | 0x80; wc >>= 6; /* Fall through */
+ case 5: bp[4] = (wc & 0x3f) | 0x80; wc >>= 6; /* Fall through */
+ case 4: bp[3] = (wc & 0x3f) | 0x80; wc >>= 6; /* Fall through */
+ case 3: bp[2] = (wc & 0x3f) | 0x80; wc >>= 6; /* Fall through */
+ case 2: bp[1] = (wc & 0x3f) | 0x80; wc >>= 6; /* Fall through */
+ case 1: bp[0] = wc | first;
+ }
+
+ bp += clen;
+ }
+ *bp = 0;
+
+ g_free (wcs);
+
+ return result;
+
+#else
+
+ return g_strdup (opsysstring);
+
+#endif
+}
+
+/*
+ * g_filename_from_utf8
+ *
+ * The reverse of g_filename_to_utf8.
+ */
+
+gchar *
+g_filename_from_utf8 (const gchar *utf8string)
+{
+#ifdef G_OS_WIN32
+
+ gint i, mask, clen, wclen, mblen;
+ const gint len = strlen (utf8string);
+ wchar_t *wcs, *wcp;
+ gchar *result;
+ guchar *cp, *end, c;
+ gint n;
+
+ /* First convert to wide chars */
+ cp = (guchar *) utf8string;
+ end = cp + len;
+ n = 0;
+ wcs = g_new (wchar_t, len + 1);
+ wcp = wcs;
+ while (cp != end)
+ {
+ mask = 0;
+ c = *cp;
+
+ if (c < 0x80)
+ {
+ clen = 1;
+ mask = 0x7f;
+ }
+ else if ((c & 0xe0) == 0xc0)
+ {
+ clen = 2;
+ mask = 0x1f;
+ }
+ else if ((c & 0xf0) == 0xe0)
+ {
+ clen = 3;
+ mask = 0x0f;
+ }
+ else if ((c & 0xf8) == 0xf0)
+ {
+ clen = 4;
+ mask = 0x07;
+ }
+ else if ((c & 0xfc) == 0xf8)
+ {
+ clen = 5;
+ mask = 0x03;
+ }
+ else if ((c & 0xfc) == 0xfc)
+ {
+ clen = 6;
+ mask = 0x01;
+ }
+ else
+ {
+ g_free (wcs);
+ return NULL;
+ }
+
+ if (cp + clen > end)
+ {
+ g_free (wcs);
+ return NULL;
+ }
+
+ *wcp = (cp[0] & mask);
+ for (i = 1; i < clen; i++)
+ {
+ if ((cp[i] & 0xc0) != 0x80)
+ {
+ g_free (wcs);
+ return NULL;
+ }
+ *wcp <<= 6;
+ *wcp |= (cp[i] & 0x3f);
+ }
+
+ cp += clen;
+ wcp++;
+ n++;
+ }
+ if (cp != end)
+ {
+ g_free (wcs);
+ return NULL;
+ }
+
+ /* n is the number of wide chars constructed */
+
+ /* Convert to a string in the current ANSI codepage */
+
+ result = g_new (gchar, 3 * n + 1);
+ mblen = WideCharToMultiByte (CP_ACP, 0, wcs, n, result, 3*n, NULL, NULL);
+ result[mblen] = 0;
+ g_free (wcs);
+
+ return result;
+
+#else
+
+ return g_strdup (utf8string);
+
+#endif
}
-/* blame Elliot for these next five routines */
gchar*
g_strchug (gchar *string)
{
for (start = string; *start && isspace (*start); start++)
;
- g_memmove(string, start, strlen(start) + 1);
+ g_memmove (string, start, strlen( start) + 1);
return string;
}
projects / platform / upstream / glib.git / blobdiff