[Tinyx-devel] [PATCH] LIBC: Introduce strerror
Status: Planning
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[Tinyx-devel] [PATCH] LIBC: Introduce strerror
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From: Felipe B. <me...@fe...> - 2008-01-09 18:44:24
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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 |
