Re: [Tinyx-devel] [PATCH] LIBC: Introduce strerror

SourceForge Headquarters 225 Broadway Suite 1600 San Diego, CA 92101 +1 (858) 422-6466

I'll push it today.

Br,

David

On Jan 9, 2008 2:46 PM, Felipe Balbi <me...@fe...> wrote:
> For now, we have to forcefully #define DEBUG
> in strerror.c for this function to be compiled,
> later on we should be able to make config and
> choose if this will or won't be built.
>
> Signed-off-by: Felipe Balbi <me...@fe...>
> ---
>  include/libc/string.h |    1 +
>  lib/libc/Makefile     |    1 +
>  lib/libc/strerror.c   |  170 +++++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 172 insertions(+), 0 deletions(-)
>  create mode 100644 lib/libc/strerror.c
>
> diff --git a/include/libc/string.h b/include/libc/string.h
> index 8a53d41..ce7c7db 100644
> --- a/include/libc/string.h
> +++ b/include/libc/string.h
> @@ -29,6 +29,7 @@ char *strchr(const char *str, int ch);
>  int strcoll(const char *str1, const char *str2);
>  int strcmp(const char *str1, const char *str2);
>  char *strcpy(char *str1, const char *str2);
> +char *strerror(int errnum);
>  size_t strlen(const char *str);
>  char *strncat(char *str1, const char *str2, size_t count);
>  int strncmp(const char *str1, const char *str2, size_t count);
> diff --git a/lib/libc/Makefile b/lib/libc/Makefile
> index f6fde72..f694056 100644
> --- a/lib/libc/Makefile
> +++ b/lib/libc/Makefile
> @@ -1 +1,2 @@
>  obj-y += string.o
> +obj-y += strerror.o
> diff --git a/lib/libc/strerror.c b/lib/libc/strerror.c
> new file mode 100644
> index 0000000..31f3301
> --- /dev/null
> +++ b/lib/libc/strerror.c
> @@ -0,0 +1,170 @@
> +/* lib/libc/strerror.c
> + *
> + * Copyright (C) 2007 David Cohen <da...@gm...>
> + * Copyright (C) 2007 Felipe Balbi <me...@fe...>
> + *
> + * This file is part of Tinyx Nanokernel Project.
> + *
> + * Tinyx is free software: you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation, either version 3 of the License, or
> + * (at your option) any later version.
> + *
> + * Tinyx 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 General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with Tinyx.  If not, see <http://www.gnu.org/licenses/>.
> + */
> +
> +#include <libc/string.h>
> +#include <tinyx/errno.h>
> +
> +#ifdef DEBUG
> +/**
> + * sterror - Gets errnum message and returns error message
> + * @errnum: Error number
> + */
> +char *strerror(int errnum)
> +{
> +       switch (errnum) {
> +       case -EPERM: return "Operation not permitted\n";
> +       case -ENOENT: return "No such file or directory\n";
> +       case -ESRCH: return "No such process\n";
> +       case -EINTR: return "Interrupted system call\n";
> +       case -EIO: return "I/O error\n";
> +       case -ENXIO: return "No such device or address\n";
> +       case -E2BIG: return "Argument list too long\n";
> +       case -ENOEXEC: return "Exec format error\n";
> +       case -EBADF: return "Bad file number\n";
> +       case -ECHILD: return "No child processes\n";
> +       case -EAGAIN: return "Try again\n";
> +       case -ENOMEM: return "Out of memory\n";
> +       case -EACCES: return "Permission denied\n";
> +       case -EFAULT: return "Bad address\n";
> +       case -ENOTBLK: return "Block device required\n";
> +       case -EBUSY: return "Device or resource busy\n";
> +       case -EEXIST: return "File exists\n";
> +       case -EXDEV: return "Cross-device link\n";
> +       case -ENODEV: return "No such device\n";
> +       case -ENOTDIR: return "Not a directory\n";
> +       case -EISDIR: return "Is a directory\n";
> +       case -EINVAL: return "Invalid argument\n";
> +       case -ENFILE: return "File table overflow\n";
> +       case -EMFILE: return "Too many open files\n";
> +       case -ENOTTY: return "Not a typewriter\n";
> +       case -ETXTBSY: return "Text file busy\n";
> +       case -EFBIG: return "File too large\n";
> +       case -ENOSPC: return "No space left on device\n";
> +       case -ESPIPE: return "Illegal seek\n";
> +       case -EROFS: return "Read-only file system\n";
> +       case -EMLINK: return "Too many links\n";
> +       case -EPIPE: return "Broken pipe\n";
> +       case -EDOM: return "Math argument out of domain of func\n";
> +       case -ERANGE: return "Math result not representable\n";
> +       case -EDEADLK: return "Resource deadlock would occur\n";
> +       case -ENAMETOOLONG: return "File name too long\n";
> +       case -ENOLCK: return "No record locks available\n";
> +       case -ENOSYS: return "Function not implemented\n";
> +       case -ENOTEMPTY: return "Directory not empty\n";
> +       case -ELOOP: return "Too many symbolic links encountered\n";
> +       case -EWOULDBLOCK: return "Operation would block\n";
> +       case -ENOMSG: return "No message of desired type\n";
> +       case -EIDRM: return "Identifier removed\n";
> +       case -ECHRNG: return "Channel number out of range\n";
> +       case -EL2NSYNC: return "Level 2 not synchronized\n";
> +       case -EL3HLT: return "Level 3 halted\n";
> +       case -EL3RST: return "Level 3 reset\n";
> +       case -ELNRNG: return "Link number out of range\n";
> +       case -EUNATCH: return "Protocol driver not attached\n";
> +       case -ENOCSI: return "No CSI structure available\n";
> +       case -EL2HLT: return "Level 2 halted\n";
> +       case -EBADE: return "Invalid exchange\n";
> +       case -EBADR: return "Invalid request descriptor\n";
> +       case -EXFULL: return "Exchange full\n";
> +       case -ENOANO: return "No anode\n";
> +       case -EBADRQC: return "Invalid request code\n";
> +       case -EBADSLT: return "Invalid slot\n";
> +       case -EDEADLOCK: return "Bad font file format\n";
> +       case -EBFONT: return "Bad font file format\n";
> +       case -ENOSTR: return "Device not a stream\n";
> +       case -ENODATA: return "No data available\n";
> +       case -ETIME: return "Timer expired\n";
> +       case -ENOSR: return "Out of streams resources\n";
> +       case -ENONET: return "Machine is not on the network\n";
> +       case -ENOPKG: return "Package not installed\n";
> +       case -EREMOTE: return "Object is remote\n";
> +       case -ENOLINK: return "Link has been severed\n";
> +       case -EADV: return "Advertise error\n";
> +       case -ESRMNT: return "Srmount error\n";
> +       case -ECOMM: return "Communication error on send\n";
> +       case -EPROTO: return "Protocol error\n";
> +       case -EMULTIHOP: return "Multihop attempted\n";
> +       case -EDOTDOT: return "RFS specific error\n";
> +       case -EBADMSG: return "Not a data message\n";
> +       case -EOVERFLOW: return "Value too large for defined data type\n";
> +       case -ENOTUNIQ: return "Name not unique on network\n";
> +       case -EBADFD: return "File descriptor in bad state\n";
> +       case -EREMCHG: return "Remote address changed\n";
> +       case -ELIBACC: return "Can not access a needed shared library\n";
> +       case -ELIBBAD: return "Accessing a corrupted shared library\n";
> +       case -ELIBSCN: return ".lib section in a.out corrupted\n";
> +       case -ELIBMAX: return "Attempting to link in too many shared libraries\n";
> +       case -ELIBEXEC: return "Cannot exec a shared library directly\n";
> +       case -EILSEQ: return "Illegal byte sequence\n";
> +       case -ERESTART: return "Interrupted system call should be restarted\n";
> +       case -ESTRPIPE: return "Streams pipe error\n";
> +       case -EUSERS: return "Too many users\n";
> +       case -ENOTSOCK: return "Socket operation on non-socket\n";
> +       case -EDESTADDRREQ: return "Destination address required\n";
> +       case -EMSGSIZE: return "Message too long\n";
> +       case -EPROTOTYPE: return "Protocol wrong type for socket\n";
> +       case -ENOPROTOOPT: return "Protocol not available\n";
> +       case -EPROTONOSUPPORT: return "Protocol not supported\n";
> +       case -ESOCKTNOSUPPORT: return "Socket type not supported\n";
> +       case -EOPNOTSUPP: return "Operation not supported on transport endpoint\n";
> +       case -EPFNOSUPPORT: return "Protocol family not supported\n";
> +       case -EAFNOSUPPORT: return "Address family not supported by protocol\n";
> +       case -EADDRINUSE: return "Address already in use\n";
> +       case -EADDRNOTAVAIL: return "Cannot assign requested address\n";
> +       case -ENETDOWN: return "Network is down\n";
> +       case -ENETUNREACH: return "Network is unreachable\n";
> +       case -ENETRESET: return "Network dropped connection because of reset\n";
> +       case -ECONNABORTED: return "Software caused connection abort\n";
> +       case -ECONNRESET: return "Connection reset by peer\n";
> +       case -ENOBUFS: return "No buffer space available\n";
> +       case -EISCONN: return "Transport endpoint is already connected\n";
> +       case -ENOTCONN: return "Transport endpoint is not connected\n";
> +       case -ESHUTDOWN: return "Cannot send after transport endpoint shutdown\n";
> +       case -ETOOMANYREFS: return "Too many references: cannot splice\n";
> +       case -ETIMEDOUT: return "Connection timed out\n";
> +       case -ECONNREFUSED: return "Connection refused\n";
> +       case -EHOSTDOWN: return "Host is down\n";
> +       case -EHOSTUNREACH: return "No route to host\n";
> +       case -EALREADY: return "Operation already in progress\n";
> +       case -EINPROGRESS: return "Operation now in progress\n";
> +       case -ESTALE: return "Stale NFS file handle\n";
> +       case -EUCLEAN: return "Structure needs cleaning\n";
> +       case -ENOTNAM: return "Not a XENIX named type file\n";
> +       case -ENAVAIL: return "No XENIX semaphores available\n";
> +       case -EISNAM: return "Is a named type file\n";
> +       case -EREMOTEIO: return "Remote I/O error\n";
> +       case -EDQUOT: return "Quota exceeded\n";
> +       case -ENOMEDIUM: return "No medium found\n";
> +       case -EMEDIUMTYPE: return "Wrong medium type\n";
> +       case -ECANCELED: return "Operation Canceled\n";
> +       case -ENOKEY: return "Required key not available\n";
> +       case -EKEYEXPIRED: return "Key has expired\n";
> +       case -EKEYREVOKED: return "Key has been revoked\n";
> +       case -EKEYREJECTED: return "Key was rejected by service\n";
> +       case -EOWNERDEAD: return "Owner died\n";
> +       case -ENOTRECOVERABLE: return "State not recoverable\n";
> +
> +       default: return "Unkown error\n";
> +       }
> +}
> +#else
> +inline char *strerror(int errnum) { return 0; }
> +#endif
> --
> 1.5.4.rc1.21.g0e545-dirty
>
>
> -------------------------------------------------------------------------
> Check out the new SourceForge.net Marketplace.
> It's the best place to buy or sell services for
> just about anything Open Source.
> http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace
> _______________________________________________
> Tinyx-devel mailing list
> Tin...@li...
> https://lists.sourceforge.net/lists/listinfo/tinyx-devel
>

-- 
David Cohen
Instituto Nokia de Tecnologia - INdT
Manaus - Brazil