* 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 <unistd.h>
#endif
#include <signal.h>
+#include <locale.h>
+#include <errno.h>
-#ifdef G_OS_WIN32
-# define STRICT
-# include <windows.h>
-# include <process.h> /* For _getpid() */
-
-/* Just use stdio. If we're out of memory, we're hosed anyway. */
-#undef write
-
-static inline int
-write (FILE *fd,
- const char *buf,
- int len)
-{
- fwrite (buf, len, 1, fd);
-
- return len;
-}
-
-static void
-ensure_stdout_valid (void)
-{
- HANDLE handle;
-
- handle = GetStdHandle (STD_OUTPUT_HANDLE);
-
- if (handle == INVALID_HANDLE_VALUE)
- {
- AllocConsole ();
- freopen ("CONOUT$", "w", stdout);
- }
-}
-#else
-#define ensure_stdout_valid() /* Define as empty */
-#endif
-
/* --- structures --- */
typedef struct _GLogDomain GLogDomain;
};
+/* --- prototypes --- */
+static inline guint printf_string_upper_bound (const gchar *format,
+ gboolean may_warn,
+ va_list args);
+
+
/* --- variables --- */
static GMutex* g_messages_lock = NULL;
/* --- functions --- */
+#ifdef G_OS_WIN32
+# define STRICT
+# include <windows.h>
+# include <process.h> /* For _getpid() */
+
+static gboolean alloc_console_called = FALSE;
+
+static gboolean gonna_abort = FALSE;
+
+/* This default message will usually be overwritten. */
+/* Yes, a fixed size buffer is bad. So sue me. But g_error is never
+ * with huge strings, is it? */
+static char fatal_msg_buf[1000] = "Unspecified fatal error encountered, aborting.";
+static char *fatal_msg_ptr = fatal_msg_buf;
+
+/* Just use stdio. If we're out of memory, we're hosed anyway. */
+#undef write
+static inline int
+dowrite (FILE *fd,
+ const void *buf,
+ unsigned int len)
+{
+ if (gonna_abort)
+ {
+ memcpy (fatal_msg_ptr, buf, len);
+ fatal_msg_ptr += len;
+ *fatal_msg_ptr = 0;
+ return len;
+ }
+
+ fwrite (buf, len, 1, fd);
+ fflush (fd);
+
+ return len;
+}
+
+#define write(fd, buf, len) dowrite(fd, buf, len)
+
+static void
+ensure_stdout_valid (void)
+{
+ HANDLE handle;
+
+ if (gonna_abort)
+ return;
+
+ if (!alloc_console_called)
+ {
+ handle = GetStdHandle (STD_OUTPUT_HANDLE);
+
+ if (handle == INVALID_HANDLE_VALUE)
+ {
+ AllocConsole ();
+ alloc_console_called = TRUE;
+ freopen ("CONOUT$", "w", stdout);
+ }
+ }
+}
+#else
+#define ensure_stdout_valid() /* Define as empty */
+#endif
+
static inline GLogDomain*
-g_log_find_domain (const gchar *log_domain)
+g_log_find_domain (const gchar *log_domain)
{
register GLogDomain *domain;
g_free (domain);
break;
}
- work = work->next;
+ last = work;
+ work = last->next;
}
g_mutex_unlock (g_messages_lock);
}
}
void
-g_log_remove_handler (const gchar *log_domain,
- guint handler_id)
+g_log_remove_handler (const gchar *log_domain,
+ guint handler_id)
{
register GLogDomain *domain;
g_log_domain_check_free (domain);
return;
}
- work = work->next;
+ last = work;
+ work = last->next;
}
}
g_warning ("g_log_remove_handler(): could not find handler with id `%d' for domain \"%s\"",
}
void
-g_logv (const gchar *log_domain,
- GLogLevelFlags log_level,
- const gchar *format,
- va_list args1)
+g_logv (const gchar *log_domain,
+ GLogLevelFlags log_level,
+ const gchar *format,
+ va_list args1)
{
va_list args2;
gchar buffer[1025];
* recursively.
*/
G_VA_COPY (args2, args1);
- if (g_printf_string_upper_bound (format, args1) < 1024)
+ if (printf_string_upper_bound (format, FALSE, args1) < 1024)
vsprintf (buffer, format, args2);
else
{
else
abort ();
#else /* !G_ENABLE_DEBUG || !SIGTRAP */
+#ifdef G_OS_WIN32
+ MessageBox (NULL, fatal_msg_buf, NULL, MB_OK);
+#endif
abort ();
#endif /* !G_ENABLE_DEBUG || !SIGTRAP */
}
* DOS prompt.
*/
fd = stdout;
+ gonna_abort = is_fatal;
#else
- fd = (log_level >= G_LOG_LEVEL_MESSAGE) ? 1 : 2;
+ fd = (log_level > G_LOG_LEVEL_MESSAGE) ? 1 : 2;
#endif
g_mutex_lock (g_messages_lock);
return old_message_func;
}
+#ifndef MB_LEN_MAX
+# define MB_LEN_MAX 8
+#endif
+
+typedef struct
+{
+ guint min_width;
+ guint precision;
+ gboolean alternate_format, zero_padding, adjust_left, locale_grouping;
+ gboolean add_space, add_sign, possible_sign, seen_precision;
+ gboolean mod_half, mod_long, mod_extra_long;
+} PrintfArgSpec;
+
+static inline guint
+printf_string_upper_bound (const gchar *format,
+ gboolean may_warn,
+ va_list args)
+{
+ static const gboolean honour_longs = SIZEOF_LONG > 4 || SIZEOF_VOID_P > 4;
+ guint len = 1;
+
+ if (!format)
+ return len;
+
+ while (*format)
+ {
+ register gchar c = *format++;
+
+ if (c != '%')
+ len += 1;
+ else /* (c == '%') */
+ {
+ PrintfArgSpec spec = { 0, };
+ gboolean seen_l = FALSE, conv_done = FALSE;
+ guint conv_len = 0;
+ const gchar *spec_start = format;
+
+ do
+ {
+ c = *format++;
+ switch (c)
+ {
+ GDoubleIEEE754 u_double;
+ guint v_uint;
+ gint v_int;
+ gchar *v_string;
+
+ /* beware of positional parameters
+ */
+ case '$':
+ if (may_warn)
+ g_warning (G_GNUC_PRETTY_FUNCTION
+ "(): unable to handle positional parameters (%%n$)");
+ len += 1024; /* try adding some safety padding */
+ break;
+
+ /* parse flags
+ */
+ case '#':
+ spec.alternate_format = TRUE;
+ break;
+ case '0':
+ spec.zero_padding = TRUE;
+ break;
+ case '-':
+ spec.adjust_left = TRUE;
+ break;
+ case ' ':
+ spec.add_space = TRUE;
+ break;
+ case '+':
+ spec.add_sign = TRUE;
+ break;
+ case '\'':
+ spec.locale_grouping = TRUE;
+ break;
+
+ /* parse output size specifications
+ */
+ case '.':
+ spec.seen_precision = TRUE;
+ break;
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ v_uint = c - '0';
+ c = *format;
+ while (c >= '0' && c <= '9')
+ {
+ format++;
+ v_uint = v_uint * 10 + c - '0';
+ c = *format;
+ }
+ if (spec.seen_precision)
+ spec.precision = MAX (spec.precision, v_uint);
+ else
+ spec.min_width = MAX (spec.min_width, v_uint);
+ break;
+ case '*':
+ v_int = va_arg (args, int);
+ if (spec.seen_precision)
+ {
+ /* forget about negative precision */
+ if (v_int >= 0)
+ spec.precision = MAX (spec.precision, v_int);
+ }
+ else
+ {
+ if (v_int < 0)
+ {
+ v_int = - v_int;
+ spec.adjust_left = TRUE;
+ }
+ spec.min_width = MAX (spec.min_width, v_int);
+ }
+ break;
+
+ /* parse type modifiers
+ */
+ case 'h':
+ spec.mod_half = TRUE;
+ break;
+ case 'l':
+ if (!seen_l)
+ {
+ spec.mod_long = TRUE;
+ seen_l = TRUE;
+ break;
+ }
+ /* else, fall through */
+ case 'L':
+ case 'q':
+ spec.mod_long = TRUE;
+ spec.mod_extra_long = TRUE;
+ break;
+ case 'z':
+ case 'Z':
+#if GLIB_SIZEOF_SIZE_T > 4
+ spec.mod_long = TRUE;
+ spec.mod_extra_long = TRUE;
+#endif /* GLIB_SIZEOF_SIZE_T > 4 */
+ break;
+ case 't':
+#if GLIB_SIZEOF_PTRDIFF_T > 4
+ spec.mod_long = TRUE;
+ spec.mod_extra_long = TRUE;
+#endif /* GLIB_SIZEOF_PTRDIFF_T > 4 */
+ break;
+ case 'j':
+#if GLIB_SIZEOF_INTMAX_T > 4
+ spec.mod_long = TRUE;
+ spec.mod_extra_long = TRUE;
+#endif /* GLIB_SIZEOF_INTMAX_T > 4 */
+ break;
+
+ /* parse output conversions
+ */
+ case '%':
+ conv_len += 1;
+ break;
+ case 'O':
+ case 'D':
+ case 'I':
+ case 'U':
+ /* some C libraries feature long variants for these as well? */
+ spec.mod_long = TRUE;
+ /* fall through */
+ case 'o':
+ conv_len += 2;
+ /* fall through */
+ case 'd':
+ case 'i':
+ conv_len += 1; /* sign */
+ /* fall through */
+ case 'u':
+ conv_len += 4;
+ /* fall through */
+ case 'x':
+ case 'X':
+ spec.possible_sign = TRUE;
+ conv_len += 10;
+ if (spec.mod_long && honour_longs)
+ conv_len *= 2;
+ if (spec.mod_extra_long)
+ conv_len *= 2;
+ if (spec.mod_extra_long)
+ {
+#ifdef G_HAVE_GINT64
+ (void) va_arg (args, gint64);
+#else /* !G_HAVE_GINT64 */
+ (void) va_arg (args, long);
+#endif /* !G_HAVE_GINT64 */
+ }
+ else if (spec.mod_long)
+ (void) va_arg (args, long);
+ else
+ (void) va_arg (args, int);
+ break;
+ case 'A':
+ case 'a':
+ /* 0x */
+ conv_len += 2;
+ /* fall through */
+ case 'g':
+ case 'G':
+ case 'e':
+ case 'E':
+ case 'f':
+ spec.possible_sign = TRUE;
+ /* n . dddddddddddddddddddddddd E +- eeee */
+ conv_len += 1 + 1 + MAX (24, spec.precision) + 1 + 1 + 4;
+ if (may_warn && spec.mod_extra_long)
+ g_warning (G_GNUC_PRETTY_FUNCTION
+ "(): unable to handle long double, collecting double only");
+#ifdef HAVE_LONG_DOUBLE
+#error need to implement special handling for long double
+#endif
+ u_double.v_double = va_arg (args, double);
+ /* %f can expand up to all significant digits before '.' (308) */
+ if (c == 'f' &&
+ u_double.mpn.biased_exponent > 0 && u_double.mpn.biased_exponent < 2047)
+ {
+ gint exp = u_double.mpn.biased_exponent;
+
+ exp -= G_IEEE754_DOUBLE_BIAS;
+ exp = exp * G_LOG_2_BASE_10 + 1;
+ conv_len += exp;
+ }
+ /* some printf() implementations require extra padding for rounding */
+ conv_len += 2;
+ /* we can't really handle locale specific grouping here */
+ if (spec.locale_grouping)
+ conv_len *= 2;
+ break;
+ case 'C':
+ spec.mod_long = TRUE;
+ /* fall through */
+ case 'c':
+ conv_len += spec.mod_long ? MB_LEN_MAX : 1;
+ (void) va_arg (args, int);
+ break;
+ case 'S':
+ spec.mod_long = TRUE;
+ /* fall through */
+ case 's':
+ v_string = va_arg (args, char*);
+ if (!v_string)
+ conv_len += 8; /* hold "(null)" */
+ else if (spec.seen_precision)
+ conv_len += spec.precision;
+ else
+ conv_len += strlen (v_string);
+ conv_done = TRUE;
+ if (spec.mod_long)
+ {
+ if (may_warn)
+ g_warning (G_GNUC_PRETTY_FUNCTION
+ "(): unable to handle wide char strings");
+ len += 1024; /* try adding some safety padding */
+ }
+ break;
+ case 'P': /* do we actually need this? */
+ /* fall through */
+ case 'p':
+ spec.alternate_format = TRUE;
+ conv_len += 10;
+ if (honour_longs)
+ conv_len *= 2;
+ /* fall through */
+ case 'n':
+ conv_done = TRUE;
+ (void) va_arg (args, void*);
+ break;
+ case 'm':
+ /* there's not much we can do to be clever */
+ v_string = g_strerror (errno);
+ v_uint = v_string ? strlen (v_string) : 0;
+ conv_len += MAX (256, v_uint);
+ break;
+
+ /* handle invalid cases
+ */
+ case '\000':
+ /* no conversion specification, bad bad */
+ conv_len += format - spec_start;
+ break;
+ default:
+ if (may_warn)
+ g_warning (G_GNUC_PRETTY_FUNCTION
+ "(): unable to handle `%c' while parsing format",
+ c);
+ break;
+ }
+ conv_done |= conv_len > 0;
+ }
+ while (!conv_done);
+ /* handle width specifications */
+ conv_len = MAX (conv_len, MAX (spec.precision, spec.min_width));
+ /* handle flags */
+ conv_len += spec.alternate_format ? 2 : 0;
+ conv_len += (spec.add_space || spec.add_sign || spec.possible_sign);
+ /* finally done */
+ len += conv_len;
+ } /* else (c == '%') */
+ } /* while (*format) */
+
+ return len;
+}
+
+guint
+g_printf_string_upper_bound (const gchar *format,
+ va_list args)
+{
+ return printf_string_upper_bound (format, TRUE, args);
+}
+
void
g_messages_init (void)
{
projects / platform / upstream / glib.git / blobdiff