/* 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include #include #include #include "glib.h" static GErrorFunc error_func = NULL; static GWarningFunc warning_func = NULL; static GPrintFunc message_func = NULL; static GPrintFunc print_func = NULL; extern char* g_vsprintf (gchar *fmt, va_list *args, va_list *args2); gchar* g_strdup (const gchar *str) { gchar *new_str; new_str = NULL; if (str) { new_str = g_new (char, strlen (str) + 1); strcpy (new_str, str); } return new_str; } 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 = setlocale (LC_NUMERIC, "C"); val_2 = strtod (nptr, &fail_pos_2); setlocale (LC_NUMERIC, 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 char msg[64]; #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 "no more processes"; #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 */ sprintf (msg, "unknown error (%d)", errnum); return msg; } gchar* g_strsignal (gint signum) { static char msg[64]; #ifdef HAVE_STRSIGNAL extern char *strsignal (int sig); 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: "Illegal instruction"; #endif #ifdef SIGTRAP case SIGTRAP: "Trace/breakpoint trap"; #endif #ifdef SIGABRT case SIGABRT: "IOT trap/Abort"; #endif #ifdef SIGBUS case SIGBUS: "Bus error"; #endif #ifdef SIGFPE case SIGFPE: "Floating point exception"; #endif #ifdef SIGKILL case SIGKILL: "Killed"; #endif #ifdef SIGUSR1 case SIGUSR1: "User defined signal 1"; #endif #ifdef SIGSEGV case SIGSEGV: "Segmentation fault"; #endif #ifdef SIGUSR2 case SIGUSR2: "User defined signal 2"; #endif #ifdef SIGPIPE case SIGPIPE: "Broken pipe"; #endif #ifdef SIGALRM case SIGALRM: "Alarm clock"; #endif #ifdef SIGTERM case SIGTERM: "Terminated"; #endif #ifdef SIGSTKFLT case SIGSTKFLT: "Stack fault"; #endif #ifdef SIGCHLD case SIGCHLD: "Child exited"; #endif #ifdef SIGCONT case SIGCONT: "Continued"; #endif #ifdef SIGSTOP case SIGSTOP: "Stopped (signal)"; #endif #ifdef SIGTSTP case SIGTSTP: "Stopped"; #endif #ifdef SIGTTIN case SIGTTIN: "Stopped (tty input)"; #endif #ifdef SIGTTOU case SIGTTOU: "Stopped (tty output)"; #endif #ifdef SIGURG case SIGURG: "Urgent condition"; #endif #ifdef SIGXCPU case SIGXCPU: "CPU time limit exceeded"; #endif #ifdef SIGXFSZ case SIGXFSZ: "File size limit exceeded"; #endif #ifdef SIGVTALRM case SIGVTALRM: "Virtual time alarm"; #endif #ifdef SIGPROF case SIGPROF: "Profile signal"; #endif #ifdef SIGWINCH case SIGWINCH: "Window size changed"; #endif #ifdef SIGIO case SIGIO: "Possible I/O"; #endif #ifdef SIGPWR case SIGPWR: "Power failure"; #endif #ifdef SIGUNUSED case SIGUNUSED: return "Unused signal"; #endif } #else /* NO_SYS_SIGLIST */ extern char *sys_siglist[]; return sys_siglist [signum]; #endif /* NO_SYS_SIGLIST */ sprintf (msg, "unknown signal (%d)", signum); return msg; } void g_error (gchar *format, ...) { va_list args, args2; char *buf; va_start (args, format); va_start (args2, format); buf = g_vsprintf (format, &args, &args2); va_end (args); va_end (args2); if (error_func) { (* error_func) (buf); } else { fputs ("\n** ERROR **: ", stderr); fputs (buf, stderr); fputc ('\n', stderr); } abort (); } void g_warning (gchar *format, ...) { va_list args, args2; char *buf; va_start (args, format); va_start (args2, format); buf = g_vsprintf (format, &args, &args2); va_end (args); va_end (args2); if (warning_func) { (* warning_func) (buf); } else { fputs ("\n** WARNING **: ", stderr); fputs (buf, stderr); fputc ('\n', stderr); } } void g_message (gchar *format, ...) { va_list args, args2; char *buf; va_start (args, format); va_start (args2, format); buf = g_vsprintf (format, &args, &args2); va_end (args); va_end (args2); if (message_func) { (* message_func) (buf); } else { fputs ("message: ", stdout); fputs (buf, stdout); fputc ('\n', stdout); } } void g_print (gchar *format, ...) { va_list args, args2; char *buf; va_start (args, format); va_start (args2, format); buf = g_vsprintf (format, &args, &args2); va_end (args); va_end (args2); if (print_func) { (* print_func) (buf); } else { fputs (buf, stdout); } } GErrorFunc g_set_error_handler (GErrorFunc func) { GErrorFunc old_error_func; old_error_func = error_func; error_func = func; return old_error_func; } GWarningFunc g_set_warning_handler (GWarningFunc func) { GWarningFunc old_warning_func; old_warning_func = warning_func; warning_func = func; return old_warning_func; } GPrintFunc g_set_message_handler (GPrintFunc func) { GPrintFunc old_message_func; old_message_func = message_func; message_func = func; return old_message_func; } GPrintFunc g_set_print_handler (GPrintFunc func) { GPrintFunc old_print_func; old_print_func = print_func; print_func = func; return old_print_func; }