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Diffstat (limited to 'glib-1.2.10/gstrfuncs.c')
-rw-r--r--glib-1.2.10/gstrfuncs.c1496
1 files changed, 1496 insertions, 0 deletions
diff --git a/glib-1.2.10/gstrfuncs.c b/glib-1.2.10/gstrfuncs.c
new file mode 100644
index 0000000..190443c
--- /dev/null
+++ b/glib-1.2.10/gstrfuncs.c
@@ -0,0 +1,1496 @@
+/* GLIB - Library of useful routines for C programming
+ * 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
+ * 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.
+ *
+ * You should have received a copy of the GNU Library 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
+ * 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/.
+ */
+
+/*
+ * MT safe
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#define _GNU_SOURCE
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <locale.h>
+#include <errno.h>
+#include <ctype.h> /* For tolower() */
+#if !defined (HAVE_STRSIGNAL) || !defined(NO_SYS_SIGLIST_DECL)
+#include <signal.h>
+#endif
+#include "glib.h"
+/* do not include <unistd.h> in this place since it
+ * inteferes with g_strsignal() on some OSes
+ */
+
+typedef union _GDoubleIEEE754 GDoubleIEEE754;
+#define G_IEEE754_DOUBLE_BIAS (1023)
+/* multiply with base2 exponent to get base10 exponent (nomal numbers) */
+#define G_LOG_2_BASE_10 (0.30102999566398119521)
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+union _GDoubleIEEE754
+{
+ gdouble v_double;
+ struct {
+ guint mantissa_low : 32;
+ guint mantissa_high : 20;
+ guint biased_exponent : 11;
+ guint sign : 1;
+ } mpn;
+};
+#elif G_BYTE_ORDER == G_BIG_ENDIAN
+union _GDoubleIEEE754
+{
+ gdouble v_double;
+ struct {
+ guint sign : 1;
+ guint biased_exponent : 11;
+ guint mantissa_high : 20;
+ guint mantissa_low : 32;
+ } mpn;
+};
+#else /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */
+#error unknown ENDIAN type
+#endif /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */
+
+gchar*
+g_strdup (const gchar *str)
+{
+ gchar *new_str;
+
+ if (str)
+ {
+ new_str = g_new (char, strlen (str) + 1);
+ strcpy (new_str, str);
+ }
+ else
+ new_str = NULL;
+
+ return new_str;
+}
+
+gpointer
+g_memdup (gconstpointer mem,
+ guint byte_size)
+{
+ gpointer new_mem;
+
+ if (mem)
+ {
+ new_mem = g_malloc (byte_size);
+ memcpy (new_mem, mem, byte_size);
+ }
+ else
+ new_mem = NULL;
+
+ return new_mem;
+}
+
+gchar*
+g_strndup (const gchar *str,
+ guint n)
+{
+ gchar *new_str;
+
+ if (str)
+ {
+ new_str = g_new (gchar, n + 1);
+ strncpy (new_str, str, n);
+ new_str[n] = '\0';
+ }
+ else
+ new_str = NULL;
+
+ return new_str;
+}
+
+gchar*
+g_strnfill (guint length,
+ gchar fill_char)
+{
+ register gchar *str, *s, *end;
+
+ str = g_new (gchar, length + 1);
+ s = str;
+ end = str + length;
+ while (s < end)
+ *(s++) = fill_char;
+ *s = 0;
+
+ return str;
+}
+
+gchar*
+g_strdup_vprintf (const gchar *format,
+ va_list args1)
+{
+ gchar *buffer;
+ va_list args2;
+
+ G_VA_COPY (args2, args1);
+
+ buffer = g_new (gchar, g_printf_string_upper_bound (format, args1));
+
+ vsprintf (buffer, format, args2);
+ va_end (args2);
+
+ return buffer;
+}
+
+gchar*
+g_strdup_printf (const gchar *format,
+ ...)
+{
+ gchar *buffer;
+ va_list args;
+
+ va_start (args, format);
+ buffer = g_strdup_vprintf (format, args);
+ va_end (args);
+
+ return buffer;
+}
+
+gchar*
+g_strconcat (const gchar *string1, ...)
+{
+ guint l;
+ va_list args;
+ gchar *s;
+ gchar *concat;
+
+ g_return_val_if_fail (string1 != NULL, NULL);
+
+ l = 1 + strlen (string1);
+ va_start (args, string1);
+ s = va_arg (args, gchar*);
+ while (s)
+ {
+ l += strlen (s);
+ s = va_arg (args, gchar*);
+ }
+ va_end (args);
+
+ concat = g_new (gchar, l);
+ concat[0] = 0;
+
+ strcat (concat, string1);
+ va_start (args, string1);
+ s = va_arg (args, gchar*);
+ while (s)
+ {
+ strcat (concat, s);
+ s = va_arg (args, gchar*);
+ }
+ va_end (args);
+
+ return concat;
+}
+
+gdouble
+g_strtod (const gchar *nptr,
+ gchar **endptr)
+{
+ gchar *fail_pos_1;
+ gchar *fail_pos_2;
+ gdouble val_1;
+ gdouble val_2 = 0;
+
+ g_return_val_if_fail (nptr != NULL, 0);
+
+ fail_pos_1 = NULL;
+ fail_pos_2 = NULL;
+
+ val_1 = strtod (nptr, &fail_pos_1);
+
+ if (fail_pos_1 && fail_pos_1[0] != 0)
+ {
+ gchar *old_locale;
+
+ 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)
+ {
+ if (endptr)
+ *endptr = fail_pos_1;
+ return val_1;
+ }
+ else
+ {
+ if (endptr)
+ *endptr = fail_pos_2;
+ return val_2;
+ }
+}
+
+gchar*
+g_strerror (gint errnum)
+{
+ static GStaticPrivate msg_private = G_STATIC_PRIVATE_INIT;
+ char *msg;
+
+#ifdef HAVE_STRERROR
+ return strerror (errnum);
+#elif NO_SYS_ERRLIST
+ switch (errnum)
+ {
+#ifdef E2BIG
+ case E2BIG: return "argument list too long";
+#endif
+#ifdef EACCES
+ case EACCES: return "permission denied";
+#endif
+#ifdef EADDRINUSE
+ case EADDRINUSE: return "address already in use";
+#endif
+#ifdef EADDRNOTAVAIL
+ case EADDRNOTAVAIL: return "can't assign requested address";
+#endif
+#ifdef EADV
+ case EADV: return "advertise error";
+#endif
+#ifdef EAFNOSUPPORT
+ case EAFNOSUPPORT: return "address family not supported by protocol family";
+#endif
+#ifdef EAGAIN
+ case EAGAIN: return "try again";
+#endif
+#ifdef EALIGN
+ case EALIGN: return "EALIGN";
+#endif
+#ifdef EALREADY
+ case EALREADY: return "operation already in progress";
+#endif
+#ifdef EBADE
+ case EBADE: return "bad exchange descriptor";
+#endif
+#ifdef EBADF
+ case EBADF: return "bad file number";
+#endif
+#ifdef EBADFD
+ case EBADFD: return "file descriptor in bad state";
+#endif
+#ifdef EBADMSG
+ case EBADMSG: return "not a data message";
+#endif
+#ifdef EBADR
+ case EBADR: return "bad request descriptor";
+#endif
+#ifdef EBADRPC
+ case EBADRPC: return "RPC structure is bad";
+#endif
+#ifdef EBADRQC
+ case EBADRQC: return "bad request code";
+#endif
+#ifdef EBADSLT
+ case EBADSLT: return "invalid slot";
+#endif
+#ifdef EBFONT
+ case EBFONT: return "bad font file format";
+#endif
+#ifdef EBUSY
+ case EBUSY: return "mount device busy";
+#endif
+#ifdef ECHILD
+ case ECHILD: return "no children";
+#endif
+#ifdef ECHRNG
+ case ECHRNG: return "channel number out of range";
+#endif
+#ifdef ECOMM
+ case ECOMM: return "communication error on send";
+#endif
+#ifdef ECONNABORTED
+ case ECONNABORTED: return "software caused connection abort";
+#endif
+#ifdef ECONNREFUSED
+ case ECONNREFUSED: return "connection refused";
+#endif
+#ifdef ECONNRESET
+ case ECONNRESET: return "connection reset by peer";
+#endif
+#if defined(EDEADLK) && (!defined(EWOULDBLOCK) || (EDEADLK != EWOULDBLOCK))
+ case EDEADLK: return "resource deadlock avoided";
+#endif
+#ifdef EDEADLOCK
+ case EDEADLOCK: return "resource deadlock avoided";
+#endif
+#ifdef EDESTADDRREQ
+ case EDESTADDRREQ: return "destination address required";
+#endif
+#ifdef EDIRTY
+ case EDIRTY: return "mounting a dirty fs w/o force";
+#endif
+#ifdef EDOM
+ case EDOM: return "math argument out of range";
+#endif
+#ifdef EDOTDOT
+ case EDOTDOT: return "cross mount point";
+#endif
+#ifdef EDQUOT
+ case EDQUOT: return "disk quota exceeded";
+#endif
+#ifdef EDUPPKG
+ case EDUPPKG: return "duplicate package name";
+#endif
+#ifdef EEXIST
+ case EEXIST: return "file already exists";
+#endif
+#ifdef EFAULT
+ case EFAULT: return "bad address in system call argument";
+#endif
+#ifdef EFBIG
+ case EFBIG: return "file too large";
+#endif
+#ifdef EHOSTDOWN
+ case EHOSTDOWN: return "host is down";
+#endif
+#ifdef EHOSTUNREACH
+ case EHOSTUNREACH: return "host is unreachable";
+#endif
+#ifdef EIDRM
+ case EIDRM: return "identifier removed";
+#endif
+#ifdef EINIT
+ case EINIT: return "initialization error";
+#endif
+#ifdef EINPROGRESS
+ case EINPROGRESS: return "operation now in progress";
+#endif
+#ifdef EINTR
+ case EINTR: return "interrupted system call";
+#endif
+#ifdef EINVAL
+ case EINVAL: return "invalid argument";
+#endif
+#ifdef EIO
+ case EIO: return "I/O error";
+#endif
+#ifdef EISCONN
+ case EISCONN: return "socket is already connected";
+#endif
+#ifdef EISDIR
+ case EISDIR: return "illegal operation on a directory";
+#endif
+#ifdef EISNAME
+ case EISNAM: return "is a name file";
+#endif
+#ifdef ELBIN
+ case ELBIN: return "ELBIN";
+#endif
+#ifdef EL2HLT
+ case EL2HLT: return "level 2 halted";
+#endif
+#ifdef EL2NSYNC
+ case EL2NSYNC: return "level 2 not synchronized";
+#endif
+#ifdef EL3HLT
+ case EL3HLT: return "level 3 halted";
+#endif
+#ifdef EL3RST
+ case EL3RST: return "level 3 reset";
+#endif
+#ifdef ELIBACC
+ case ELIBACC: return "can not access a needed shared library";
+#endif
+#ifdef ELIBBAD
+ case ELIBBAD: return "accessing a corrupted shared library";
+#endif
+#ifdef ELIBEXEC
+ case ELIBEXEC: return "can not exec a shared library directly";
+#endif
+#ifdef ELIBMAX
+ case ELIBMAX: return "attempting to link in more shared libraries than system limit";
+#endif
+#ifdef ELIBSCN
+ case ELIBSCN: return ".lib section in a.out corrupted";
+#endif
+#ifdef ELNRNG
+ case ELNRNG: return "link number out of range";
+#endif
+#ifdef ELOOP
+ case ELOOP: return "too many levels of symbolic links";
+#endif
+#ifdef EMFILE
+ case EMFILE: return "too many open files";
+#endif
+#ifdef EMLINK
+ case EMLINK: return "too many links";
+#endif
+#ifdef EMSGSIZE
+ case EMSGSIZE: return "message too long";
+#endif
+#ifdef EMULTIHOP
+ case EMULTIHOP: return "multihop attempted";
+#endif
+#ifdef ENAMETOOLONG
+ case ENAMETOOLONG: return "file name too long";
+#endif
+#ifdef ENAVAIL
+ case ENAVAIL: return "not available";
+#endif
+#ifdef ENET
+ case ENET: return "ENET";
+#endif
+#ifdef ENETDOWN
+ case ENETDOWN: return "network is down";
+#endif
+#ifdef ENETRESET
+ case ENETRESET: return "network dropped connection on reset";
+#endif
+#ifdef ENETUNREACH
+ case ENETUNREACH: return "network is unreachable";
+#endif
+#ifdef ENFILE
+ case ENFILE: return "file table overflow";
+#endif
+#ifdef ENOANO
+ case ENOANO: return "anode table overflow";
+#endif
+#if defined(ENOBUFS) && (!defined(ENOSR) || (ENOBUFS != ENOSR))
+ case ENOBUFS: return "no buffer space available";
+#endif
+#ifdef ENOCSI
+ case ENOCSI: return "no CSI structure available";
+#endif
+#ifdef ENODATA
+ case ENODATA: return "no data available";
+#endif
+#ifdef ENODEV
+ case ENODEV: return "no such device";
+#endif
+#ifdef ENOENT
+ case ENOENT: return "no such file or directory";
+#endif
+#ifdef ENOEXEC
+ case ENOEXEC: return "exec format error";
+#endif
+#ifdef ENOLCK
+ case ENOLCK: return "no locks available";
+#endif
+#ifdef ENOLINK
+ case ENOLINK: return "link has be severed";
+#endif
+#ifdef ENOMEM
+ case ENOMEM: return "not enough memory";
+#endif
+#ifdef ENOMSG
+ case ENOMSG: return "no message of desired type";
+#endif
+#ifdef ENONET
+ case ENONET: return "machine is not on the network";
+#endif
+#ifdef ENOPKG
+ case ENOPKG: return "package not installed";
+#endif
+#ifdef ENOPROTOOPT
+ case ENOPROTOOPT: return "bad proocol option";
+#endif
+#ifdef ENOSPC
+ case ENOSPC: return "no space left on device";
+#endif
+#ifdef ENOSR
+ case ENOSR: return "out of stream resources";
+#endif
+#ifdef ENOSTR
+ case ENOSTR: return "not a stream device";
+#endif
+#ifdef ENOSYM
+ case ENOSYM: return "unresolved symbol name";
+#endif
+#ifdef ENOSYS
+ case ENOSYS: return "function not implemented";
+#endif
+#ifdef ENOTBLK
+ case ENOTBLK: return "block device required";
+#endif
+#ifdef ENOTCONN
+ case ENOTCONN: return "socket is not connected";
+#endif
+#ifdef ENOTDIR
+ case ENOTDIR: return "not a directory";
+#endif
+#ifdef ENOTEMPTY
+ case ENOTEMPTY: return "directory not empty";
+#endif
+#ifdef ENOTNAM
+ case ENOTNAM: return "not a name file";
+#endif
+#ifdef ENOTSOCK
+ case ENOTSOCK: return "socket operation on non-socket";
+#endif
+#ifdef ENOTTY
+ case ENOTTY: return "inappropriate device for ioctl";
+#endif
+#ifdef ENOTUNIQ
+ case ENOTUNIQ: return "name not unique on network";
+#endif
+#ifdef ENXIO
+ case ENXIO: return "no such device or address";
+#endif
+#ifdef EOPNOTSUPP
+ case EOPNOTSUPP: return "operation not supported on socket";
+#endif
+#ifdef EPERM
+ case EPERM: return "not owner";
+#endif
+#ifdef EPFNOSUPPORT
+ case EPFNOSUPPORT: return "protocol family not supported";
+#endif
+#ifdef EPIPE
+ case EPIPE: return "broken pipe";
+#endif
+#ifdef EPROCLIM
+ case EPROCLIM: return "too many processes";
+#endif
+#ifdef EPROCUNAVAIL
+ case EPROCUNAVAIL: return "bad procedure for program";
+#endif
+#ifdef EPROGMISMATCH
+ case EPROGMISMATCH: return "program version wrong";
+#endif
+#ifdef EPROGUNAVAIL
+ case EPROGUNAVAIL: return "RPC program not available";
+#endif
+#ifdef EPROTO
+ case EPROTO: return "protocol error";
+#endif
+#ifdef EPROTONOSUPPORT
+ case EPROTONOSUPPORT: return "protocol not suppored";
+#endif
+#ifdef EPROTOTYPE
+ case EPROTOTYPE: return "protocol wrong type for socket";
+#endif
+#ifdef ERANGE
+ case ERANGE: return "math result unrepresentable";
+#endif
+#if defined(EREFUSED) && (!defined(ECONNREFUSED) || (EREFUSED != ECONNREFUSED))
+ case EREFUSED: return "EREFUSED";
+#endif
+#ifdef EREMCHG
+ case EREMCHG: return "remote address changed";
+#endif
+#ifdef EREMDEV
+ case EREMDEV: return "remote device";
+#endif
+#ifdef EREMOTE
+ case EREMOTE: return "pathname hit remote file system";
+#endif
+#ifdef EREMOTEIO
+ case EREMOTEIO: return "remote i/o error";
+#endif
+#ifdef EREMOTERELEASE
+ case EREMOTERELEASE: return "EREMOTERELEASE";
+#endif
+#ifdef EROFS
+ case EROFS: return "read-only file system";
+#endif
+#ifdef ERPCMISMATCH
+ case ERPCMISMATCH: return "RPC version is wrong";
+#endif
+#ifdef ERREMOTE
+ case ERREMOTE: return "object is remote";
+#endif
+#ifdef ESHUTDOWN
+ case ESHUTDOWN: return "can't send afer socket shutdown";
+#endif
+#ifdef ESOCKTNOSUPPORT
+ case ESOCKTNOSUPPORT: return "socket type not supported";
+#endif
+#ifdef ESPIPE
+ case ESPIPE: return "invalid seek";
+#endif
+#ifdef ESRCH
+ case ESRCH: return "no such process";
+#endif
+#ifdef ESRMNT
+ case ESRMNT: return "srmount error";
+#endif
+#ifdef ESTALE
+ case ESTALE: return "stale remote file handle";
+#endif
+#ifdef ESUCCESS
+ case ESUCCESS: return "Error 0";
+#endif
+#ifdef ETIME
+ case ETIME: return "timer expired";
+#endif
+#ifdef ETIMEDOUT
+ case ETIMEDOUT: return "connection timed out";
+#endif
+#ifdef ETOOMANYREFS
+ case ETOOMANYREFS: return "too many references: can't splice";
+#endif
+#ifdef ETXTBSY
+ case ETXTBSY: return "text file or pseudo-device busy";
+#endif
+#ifdef EUCLEAN
+ case EUCLEAN: return "structure needs cleaning";
+#endif
+#ifdef EUNATCH
+ case EUNATCH: return "protocol driver not attached";
+#endif
+#ifdef EUSERS
+ case EUSERS: return "too many users";
+#endif
+#ifdef EVERSION
+ case EVERSION: return "version mismatch";
+#endif
+#if defined(EWOULDBLOCK) && (!defined(EAGAIN) || (EWOULDBLOCK != EAGAIN))
+ case EWOULDBLOCK: return "operation would block";
+#endif
+#ifdef EXDEV
+ case EXDEV: return "cross-domain link";
+#endif
+#ifdef EXFULL
+ case EXFULL: return "message tables full";
+#endif
+ }
+#else /* NO_SYS_ERRLIST */
+ extern int sys_nerr;
+ extern char *sys_errlist[];
+
+ if ((errnum > 0) && (errnum <= sys_nerr))
+ return sys_errlist [errnum];
+#endif /* NO_SYS_ERRLIST */
+
+ msg = g_static_private_get (&msg_private);
+ if (!msg)
+ {
+ msg = g_new (gchar, 64);
+ g_static_private_set (&msg_private, msg, g_free);
+ }
+
+ sprintf (msg, "unknown error (%d)", errnum);
+
+ return msg;
+}
+
+gchar*
+g_strsignal (gint signum)
+{
+ static GStaticPrivate msg_private = G_STATIC_PRIVATE_INIT;
+ char *msg;
+
+#ifdef HAVE_STRSIGNAL
+ return strsignal (signum);
+#elif NO_SYS_SIGLIST
+ switch (signum)
+ {
+#ifdef SIGHUP
+ case SIGHUP: return "Hangup";
+#endif
+#ifdef SIGINT
+ case SIGINT: return "Interrupt";
+#endif
+#ifdef SIGQUIT
+ case SIGQUIT: return "Quit";
+#endif
+#ifdef SIGILL
+ case SIGILL: return "Illegal instruction";
+#endif
+#ifdef SIGTRAP
+ case SIGTRAP: return "Trace/breakpoint trap";
+#endif
+#ifdef SIGABRT
+ case SIGABRT: return "IOT trap/Abort";
+#endif
+#ifdef SIGBUS
+ case SIGBUS: return "Bus error";
+#endif
+#ifdef SIGFPE
+ case SIGFPE: return "Floating point exception";
+#endif
+#ifdef SIGKILL
+ case SIGKILL: return "Killed";
+#endif
+#ifdef SIGUSR1
+ case SIGUSR1: return "User defined signal 1";
+#endif
+#ifdef SIGSEGV
+ case SIGSEGV: return "Segmentation fault";
+#endif
+#ifdef SIGUSR2
+ case SIGUSR2: return "User defined signal 2";
+#endif
+#ifdef SIGPIPE
+ case SIGPIPE: return "Broken pipe";
+#endif
+#ifdef SIGALRM
+ case SIGALRM: return "Alarm clock";
+#endif
+#ifdef SIGTERM
+ case SIGTERM: return "Terminated";
+#endif
+#ifdef SIGSTKFLT
+ case SIGSTKFLT: return "Stack fault";
+#endif
+#ifdef SIGCHLD
+ case SIGCHLD: return "Child exited";
+#endif
+#ifdef SIGCONT
+ case SIGCONT: return "Continued";
+#endif
+#ifdef SIGSTOP
+ case SIGSTOP: return "Stopped (signal)";
+#endif
+#ifdef SIGTSTP
+ case SIGTSTP: return "Stopped";
+#endif
+#ifdef SIGTTIN
+ case SIGTTIN: return "Stopped (tty input)";
+#endif
+#ifdef SIGTTOU
+ case SIGTTOU: return "Stopped (tty output)";
+#endif
+#ifdef SIGURG
+ case SIGURG: return "Urgent condition";
+#endif
+#ifdef SIGXCPU
+ case SIGXCPU: return "CPU time limit exceeded";
+#endif
+#ifdef SIGXFSZ
+ case SIGXFSZ: return "File size limit exceeded";
+#endif
+#ifdef SIGVTALRM
+ case SIGVTALRM: return "Virtual time alarm";
+#endif
+#ifdef SIGPROF
+ case SIGPROF: return "Profile signal";
+#endif
+#ifdef SIGWINCH
+ case SIGWINCH: return "Window size changed";
+#endif
+#ifdef SIGIO
+ case SIGIO: return "Possible I/O";
+#endif
+#ifdef SIGPWR
+ case SIGPWR: return "Power failure";
+#endif
+#ifdef SIGUNUSED
+ case SIGUNUSED: return "Unused signal";
+#endif
+ }
+#else /* NO_SYS_SIGLIST */
+
+#ifdef NO_SYS_SIGLIST_DECL
+ extern char *sys_siglist[]; /*(see Tue Jan 19 00:44:24 1999 in changelog)*/
+#endif
+
+ return (char*) /* this function should return const --josh */ sys_siglist [signum];
+#endif /* NO_SYS_SIGLIST */
+
+ msg = g_static_private_get (&msg_private);
+ if (!msg)
+ {
+ msg = g_new (gchar, 64);
+ g_static_private_set (&msg_private, msg, g_free);
+ }
+
+ sprintf (msg, "unknown signal (%d)", signum);
+
+ return msg;
+}
+
+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;
+
+guint
+g_printf_string_upper_bound (const gchar* format,
+ 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;
+ const gchar *v_string;
+
+ /* beware of positional parameters
+ */
+ case '$':
+ g_warning ("%s(): unable to handle positional parameters (%%n$)",
+ G_GNUC_PRETTY_FUNCTION );
+ 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 (spec.mod_extra_long)
+ g_warning ("%s(): unable to handle long double, collecting double only",
+ G_GNUC_PRETTY_FUNCTION);
+#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 = abs(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)
+ {
+ g_warning ("%s(): unable to handle wide char strings",
+ G_GNUC_PRETTY_FUNCTION);
+ 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:
+ g_warning ("%s(): unable to handle `%c' while parsing format",
+ G_GNUC_PRETTY_FUNCTION,
+ 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;
+}
+
+void
+g_strdown (gchar *string)
+{
+ register guchar *s;
+
+ g_return_if_fail (string != NULL);
+
+ s = string;
+
+ while (*s)
+ {
+ *s = tolower (*s);
+ s++;
+ }
+}
+
+void
+g_strup (gchar *string)
+{
+ register guchar *s;
+
+ g_return_if_fail (string != NULL);
+
+ s = string;
+
+ while (*s)
+ {
+ *s = toupper (*s);
+ s++;
+ }
+}
+
+void
+g_strreverse (gchar *string)
+{
+ g_return_if_fail (string != NULL);
+
+ if (*string)
+ {
+ register gchar *h, *t;
+
+ h = string;
+ t = string + strlen (string) - 1;
+
+ while (h < t)
+ {
+ register gchar c;
+
+ c = *h;
+ *h = *t;
+ h++;
+ *t = c;
+ t--;
+ }
+ }
+}
+
+gint
+g_strcasecmp (const gchar *s1,
+ const gchar *s2)
+{
+#ifdef HAVE_STRCASECMP
+ g_return_val_if_fail (s1 != NULL, 0);
+ g_return_val_if_fail (s2 != NULL, 0);
+
+ return strcasecmp (s1, s2);
+#else
+ gint c1, c2;
+
+ g_return_val_if_fail (s1 != NULL, 0);
+ g_return_val_if_fail (s2 != NULL, 0);
+
+ while (*s1 && *s2)
+ {
+ /* According to A. Cox, some platforms have islower's that
+ * don't work right on non-uppercase
+ */
+ c1 = isupper ((guchar)*s1) ? tolower ((guchar)*s1) : *s1;
+ c2 = isupper ((guchar)*s2) ? tolower ((guchar)*s2) : *s2;
+ if (c1 != c2)
+ return (c1 - c2);
+ s1++; s2++;
+ }
+
+ return (((gint)(guchar) *s1) - ((gint)(guchar) *s2));
+#endif
+}
+
+gint
+g_strncasecmp (const gchar *s1,
+ const gchar *s2,
+ guint n)
+{
+#ifdef HAVE_STRNCASECMP
+ return strncasecmp (s1, s2, n);
+#else
+ gint c1, c2;
+
+ g_return_val_if_fail (s1 != NULL, 0);
+ g_return_val_if_fail (s2 != NULL, 0);
+
+ while (n && *s1 && *s2)
+ {
+ n -= 1;
+ /* According to A. Cox, some platforms have islower's that
+ * don't work right on non-uppercase
+ */
+ c1 = isupper ((guchar)*s1) ? tolower ((guchar)*s1) : *s1;
+ c2 = isupper ((guchar)*s2) ? tolower ((guchar)*s2) : *s2;
+ if (c1 != c2)
+ return (c1 - c2);
+ s1++; s2++;
+ }
+
+ if (n)
+ return (((gint) (guchar) *s1) - ((gint) (guchar) *s2));
+ else
+ return 0;
+#endif
+}
+
+gchar*
+g_strdelimit (gchar *string,
+ const gchar *delimiters,
+ gchar new_delim)
+{
+ register gchar *c;
+
+ g_return_val_if_fail (string != NULL, NULL);
+
+ if (!delimiters)
+ delimiters = G_STR_DELIMITERS;
+
+ for (c = string; *c; c++)
+ {
+ if (strchr (delimiters, *c))
+ *c = new_delim;
+ }
+
+ return string;
+}
+
+gchar*
+g_strescape (gchar *string)
+{
+ gchar *q;
+ gchar *escaped;
+ guint backslashes = 0;
+ gchar *p = string;
+
+ g_return_val_if_fail (string != NULL, NULL);
+
+ while (*p != '\000')
+ backslashes += (*p++ == '\\');
+
+ if (!backslashes)
+ return g_strdup (string);
+
+ escaped = g_new (gchar, strlen (string) + backslashes + 1);
+
+ p = string;
+ q = escaped;
+
+ while (*p != '\000')
+ {
+ if (*p == '\\')
+ *q++ = '\\';
+ *q++ = *p++;
+ }
+ *q = '\000';
+
+ return escaped;
+}
+
+/* blame Elliot for these next five routines */
+gchar*
+g_strchug (gchar *string)
+{
+ guchar *start;
+
+ g_return_val_if_fail (string != NULL, NULL);
+
+ for (start = string; *start && isspace (*start); start++)
+ ;
+
+ g_memmove(string, start, strlen(start) + 1);
+
+ return string;
+}
+
+gchar*
+g_strchomp (gchar *string)
+{
+ gchar *s;
+
+ g_return_val_if_fail (string != NULL, NULL);
+
+ if (!*string)
+ return string;
+
+ for (s = string + strlen (string) - 1; s >= string && isspace ((guchar)*s);
+ s--)
+ *s = '\0';
+
+ return string;
+}
+
+gchar**
+g_strsplit (const gchar *string,
+ const gchar *delimiter,
+ gint max_tokens)
+{
+ GSList *string_list = NULL, *slist;
+ gchar **str_array, *s;
+ guint i, n = 1;
+
+ g_return_val_if_fail (string != NULL, NULL);
+ g_return_val_if_fail (delimiter != NULL, NULL);
+
+ if (max_tokens < 1)
+ max_tokens = G_MAXINT;
+
+ s = strstr (string, delimiter);
+ if (s)
+ {
+ guint delimiter_len = strlen (delimiter);
+
+ do
+ {
+ guint len;
+ gchar *new_string;
+
+ len = s - string;
+ new_string = g_new (gchar, len + 1);
+ strncpy (new_string, string, len);
+ new_string[len] = 0;
+ string_list = g_slist_prepend (string_list, new_string);
+ n++;
+ string = s + delimiter_len;
+ s = strstr (string, delimiter);
+ }
+ while (--max_tokens && s);
+ }
+ if (*string)
+ {
+ n++;
+ string_list = g_slist_prepend (string_list, g_strdup (string));
+ }
+
+ str_array = g_new (gchar*, n);
+
+ i = n - 1;
+
+ str_array[i--] = NULL;
+ for (slist = string_list; slist; slist = slist->next)
+ str_array[i--] = slist->data;
+
+ g_slist_free (string_list);
+
+ return str_array;
+}
+
+void
+g_strfreev (gchar **str_array)
+{
+ if (str_array)
+ {
+ int i;
+
+ for(i = 0; str_array[i] != NULL; i++)
+ g_free(str_array[i]);
+
+ g_free (str_array);
+ }
+}
+
+gchar*
+g_strjoinv (const gchar *separator,
+ gchar **str_array)
+{
+ gchar *string;
+
+ g_return_val_if_fail (str_array != NULL, NULL);
+
+ if (separator == NULL)
+ separator = "";
+
+ if (*str_array)
+ {
+ guint i, len;
+ guint separator_len;
+
+ separator_len = strlen (separator);
+ len = 1 + strlen (str_array[0]);
+ for(i = 1; str_array[i] != NULL; i++)
+ len += separator_len + strlen(str_array[i]);
+
+ string = g_new (gchar, len);
+ *string = 0;
+ strcat (string, *str_array);
+ for (i = 1; str_array[i] != NULL; i++)
+ {
+ strcat (string, separator);
+ strcat (string, str_array[i]);
+ }
+ }
+ else
+ string = g_strdup ("");
+
+ return string;
+}
+
+gchar*
+g_strjoin (const gchar *separator,
+ ...)
+{
+ gchar *string, *s;
+ va_list args;
+ guint len;
+ guint separator_len;
+
+ if (separator == NULL)
+ separator = "";
+
+ separator_len = strlen (separator);
+
+ va_start (args, separator);
+
+ s = va_arg (args, gchar*);
+
+ if (s)
+ {
+ len = strlen (s);
+
+ s = va_arg (args, gchar*);
+ while (s)
+ {
+ len += separator_len + strlen (s);
+ s = va_arg (args, gchar*);
+ }
+ va_end (args);
+
+ string = g_new (gchar, len + 1);
+ *string = 0;
+
+ va_start (args, separator);
+
+ s = va_arg (args, gchar*);
+ strcat (string, s);
+
+ s = va_arg (args, gchar*);
+ while (s)
+ {
+ strcat (string, separator);
+ strcat (string, s);
+ s = va_arg (args, gchar*);
+ }
+ }
+ else
+ string = g_strdup ("");
+
+ va_end (args);
+
+ return string;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 05:21:11 +0000