diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/libiberty/strerror.c')
| -rw-r--r-- | gcc-4.2.1-5666.3/libiberty/strerror.c | 809 |
1 files changed, 0 insertions, 809 deletions
diff --git a/gcc-4.2.1-5666.3/libiberty/strerror.c b/gcc-4.2.1-5666.3/libiberty/strerror.c deleted file mode 100644 index 0efadc3d6..000000000 --- a/gcc-4.2.1-5666.3/libiberty/strerror.c +++ /dev/null @@ -1,809 +0,0 @@ -/* Extended support for using errno values. - Written by Fred Fish. fnf@cygnus.com - This file is in the public domain. --Per Bothner. */ - -#include "config.h" - -#ifdef HAVE_SYS_ERRLIST -/* Note that errno.h (not sure what OS) or stdio.h (BSD 4.4, at least) - might declare sys_errlist in a way that the compiler might consider - incompatible with our later declaration, perhaps by using const - attributes. So we hide the declaration in errno.h (if any) using a - macro. */ -#define sys_nerr sys_nerr__ -#define sys_errlist sys_errlist__ -#endif - -#include "ansidecl.h" -#include "libiberty.h" - -#include <stdio.h> -#include <errno.h> - -#ifdef HAVE_SYS_ERRLIST -#undef sys_nerr -#undef sys_errlist -#endif - -/* Routines imported from standard C runtime libraries. */ - -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#else -extern PTR malloc (); -#endif - -#ifdef HAVE_STRING_H -#include <string.h> -#else -extern PTR memset (); -#endif - -#ifndef MAX -# define MAX(a,b) ((a) > (b) ? (a) : (b)) -#endif - -static void init_error_tables (void); - -/* Translation table for errno values. See intro(2) in most UNIX systems - Programmers Reference Manuals. - - Note that this table is generally only accessed when it is used at runtime - to initialize errno name and message tables that are indexed by errno - value. - - Not all of these errnos will exist on all systems. This table is the only - thing that should have to be updated as new error numbers are introduced. - It's sort of ugly, but at least its portable. */ - -struct error_info -{ - const int value; /* The numeric value from <errno.h> */ - const char *const name; /* The equivalent symbolic value */ -#ifndef HAVE_SYS_ERRLIST - const char *const msg; /* Short message about this value */ -#endif -}; - -#ifndef HAVE_SYS_ERRLIST -# define ENTRY(value, name, msg) {value, name, msg} -#else -# define ENTRY(value, name, msg) {value, name} -#endif - -static const struct error_info error_table[] = -{ -#if defined (EPERM) - ENTRY(EPERM, "EPERM", "Not owner"), -#endif -#if defined (ENOENT) - ENTRY(ENOENT, "ENOENT", "No such file or directory"), -#endif -#if defined (ESRCH) - ENTRY(ESRCH, "ESRCH", "No such process"), -#endif -#if defined (EINTR) - ENTRY(EINTR, "EINTR", "Interrupted system call"), -#endif -#if defined (EIO) - ENTRY(EIO, "EIO", "I/O error"), -#endif -#if defined (ENXIO) - ENTRY(ENXIO, "ENXIO", "No such device or address"), -#endif -#if defined (E2BIG) - ENTRY(E2BIG, "E2BIG", "Arg list too long"), -#endif -#if defined (ENOEXEC) - ENTRY(ENOEXEC, "ENOEXEC", "Exec format error"), -#endif -#if defined (EBADF) - ENTRY(EBADF, "EBADF", "Bad file number"), -#endif -#if defined (ECHILD) - ENTRY(ECHILD, "ECHILD", "No child processes"), -#endif -#if defined (EWOULDBLOCK) /* Put before EAGAIN, sometimes aliased */ - ENTRY(EWOULDBLOCK, "EWOULDBLOCK", "Operation would block"), -#endif -#if defined (EAGAIN) - ENTRY(EAGAIN, "EAGAIN", "No more processes"), -#endif -#if defined (ENOMEM) - ENTRY(ENOMEM, "ENOMEM", "Not enough space"), -#endif -#if defined (EACCES) - ENTRY(EACCES, "EACCES", "Permission denied"), -#endif -#if defined (EFAULT) - ENTRY(EFAULT, "EFAULT", "Bad address"), -#endif -#if defined (ENOTBLK) - ENTRY(ENOTBLK, "ENOTBLK", "Block device required"), -#endif -#if defined (EBUSY) - ENTRY(EBUSY, "EBUSY", "Device busy"), -#endif -#if defined (EEXIST) - ENTRY(EEXIST, "EEXIST", "File exists"), -#endif -#if defined (EXDEV) - ENTRY(EXDEV, "EXDEV", "Cross-device link"), -#endif -#if defined (ENODEV) - ENTRY(ENODEV, "ENODEV", "No such device"), -#endif -#if defined (ENOTDIR) - ENTRY(ENOTDIR, "ENOTDIR", "Not a directory"), -#endif -#if defined (EISDIR) - ENTRY(EISDIR, "EISDIR", "Is a directory"), -#endif -#if defined (EINVAL) - ENTRY(EINVAL, "EINVAL", "Invalid argument"), -#endif -#if defined (ENFILE) - ENTRY(ENFILE, "ENFILE", "File table overflow"), -#endif -#if defined (EMFILE) - ENTRY(EMFILE, "EMFILE", "Too many open files"), -#endif -#if defined (ENOTTY) - ENTRY(ENOTTY, "ENOTTY", "Not a typewriter"), -#endif -#if defined (ETXTBSY) - ENTRY(ETXTBSY, "ETXTBSY", "Text file busy"), -#endif -#if defined (EFBIG) - ENTRY(EFBIG, "EFBIG", "File too large"), -#endif -#if defined (ENOSPC) - ENTRY(ENOSPC, "ENOSPC", "No space left on device"), -#endif -#if defined (ESPIPE) - ENTRY(ESPIPE, "ESPIPE", "Illegal seek"), -#endif -#if defined (EROFS) - ENTRY(EROFS, "EROFS", "Read-only file system"), -#endif -#if defined (EMLINK) - ENTRY(EMLINK, "EMLINK", "Too many links"), -#endif -#if defined (EPIPE) - ENTRY(EPIPE, "EPIPE", "Broken pipe"), -#endif -#if defined (EDOM) - ENTRY(EDOM, "EDOM", "Math argument out of domain of func"), -#endif -#if defined (ERANGE) - ENTRY(ERANGE, "ERANGE", "Math result not representable"), -#endif -#if defined (ENOMSG) - ENTRY(ENOMSG, "ENOMSG", "No message of desired type"), -#endif -#if defined (EIDRM) - ENTRY(EIDRM, "EIDRM", "Identifier removed"), -#endif -#if defined (ECHRNG) - ENTRY(ECHRNG, "ECHRNG", "Channel number out of range"), -#endif -#if defined (EL2NSYNC) - ENTRY(EL2NSYNC, "EL2NSYNC", "Level 2 not synchronized"), -#endif -#if defined (EL3HLT) - ENTRY(EL3HLT, "EL3HLT", "Level 3 halted"), -#endif -#if defined (EL3RST) - ENTRY(EL3RST, "EL3RST", "Level 3 reset"), -#endif -#if defined (ELNRNG) - ENTRY(ELNRNG, "ELNRNG", "Link number out of range"), -#endif -#if defined (EUNATCH) - ENTRY(EUNATCH, "EUNATCH", "Protocol driver not attached"), -#endif -#if defined (ENOCSI) - ENTRY(ENOCSI, "ENOCSI", "No CSI structure available"), -#endif -#if defined (EL2HLT) - ENTRY(EL2HLT, "EL2HLT", "Level 2 halted"), -#endif -#if defined (EDEADLK) - ENTRY(EDEADLK, "EDEADLK", "Deadlock condition"), -#endif -#if defined (ENOLCK) - ENTRY(ENOLCK, "ENOLCK", "No record locks available"), -#endif -#if defined (EBADE) - ENTRY(EBADE, "EBADE", "Invalid exchange"), -#endif -#if defined (EBADR) - ENTRY(EBADR, "EBADR", "Invalid request descriptor"), -#endif -#if defined (EXFULL) - ENTRY(EXFULL, "EXFULL", "Exchange full"), -#endif -#if defined (ENOANO) - ENTRY(ENOANO, "ENOANO", "No anode"), -#endif -#if defined (EBADRQC) - ENTRY(EBADRQC, "EBADRQC", "Invalid request code"), -#endif -#if defined (EBADSLT) - ENTRY(EBADSLT, "EBADSLT", "Invalid slot"), -#endif -#if defined (EDEADLOCK) - ENTRY(EDEADLOCK, "EDEADLOCK", "File locking deadlock error"), -#endif -#if defined (EBFONT) - ENTRY(EBFONT, "EBFONT", "Bad font file format"), -#endif -#if defined (ENOSTR) - ENTRY(ENOSTR, "ENOSTR", "Device not a stream"), -#endif -#if defined (ENODATA) - ENTRY(ENODATA, "ENODATA", "No data available"), -#endif -#if defined (ETIME) - ENTRY(ETIME, "ETIME", "Timer expired"), -#endif -#if defined (ENOSR) - ENTRY(ENOSR, "ENOSR", "Out of streams resources"), -#endif -#if defined (ENONET) - ENTRY(ENONET, "ENONET", "Machine is not on the network"), -#endif -#if defined (ENOPKG) - ENTRY(ENOPKG, "ENOPKG", "Package not installed"), -#endif -#if defined (EREMOTE) - ENTRY(EREMOTE, "EREMOTE", "Object is remote"), -#endif -#if defined (ENOLINK) - ENTRY(ENOLINK, "ENOLINK", "Link has been severed"), -#endif -#if defined (EADV) - ENTRY(EADV, "EADV", "Advertise error"), -#endif -#if defined (ESRMNT) - ENTRY(ESRMNT, "ESRMNT", "Srmount error"), -#endif -#if defined (ECOMM) - ENTRY(ECOMM, "ECOMM", "Communication error on send"), -#endif -#if defined (EPROTO) - ENTRY(EPROTO, "EPROTO", "Protocol error"), -#endif -#if defined (EMULTIHOP) - ENTRY(EMULTIHOP, "EMULTIHOP", "Multihop attempted"), -#endif -#if defined (EDOTDOT) - ENTRY(EDOTDOT, "EDOTDOT", "RFS specific error"), -#endif -#if defined (EBADMSG) - ENTRY(EBADMSG, "EBADMSG", "Not a data message"), -#endif -#if defined (ENAMETOOLONG) - ENTRY(ENAMETOOLONG, "ENAMETOOLONG", "File name too long"), -#endif -#if defined (EOVERFLOW) - ENTRY(EOVERFLOW, "EOVERFLOW", "Value too large for defined data type"), -#endif -#if defined (ENOTUNIQ) - ENTRY(ENOTUNIQ, "ENOTUNIQ", "Name not unique on network"), -#endif -#if defined (EBADFD) - ENTRY(EBADFD, "EBADFD", "File descriptor in bad state"), -#endif -#if defined (EREMCHG) - ENTRY(EREMCHG, "EREMCHG", "Remote address changed"), -#endif -#if defined (ELIBACC) - ENTRY(ELIBACC, "ELIBACC", "Can not access a needed shared library"), -#endif -#if defined (ELIBBAD) - ENTRY(ELIBBAD, "ELIBBAD", "Accessing a corrupted shared library"), -#endif -#if defined (ELIBSCN) - ENTRY(ELIBSCN, "ELIBSCN", ".lib section in a.out corrupted"), -#endif -#if defined (ELIBMAX) - ENTRY(ELIBMAX, "ELIBMAX", "Attempting to link in too many shared libraries"), -#endif -#if defined (ELIBEXEC) - ENTRY(ELIBEXEC, "ELIBEXEC", "Cannot exec a shared library directly"), -#endif -#if defined (EILSEQ) - ENTRY(EILSEQ, "EILSEQ", "Illegal byte sequence"), -#endif -#if defined (ENOSYS) - ENTRY(ENOSYS, "ENOSYS", "Operation not applicable"), -#endif -#if defined (ELOOP) - ENTRY(ELOOP, "ELOOP", "Too many symbolic links encountered"), -#endif -#if defined (ERESTART) - ENTRY(ERESTART, "ERESTART", "Interrupted system call should be restarted"), -#endif -#if defined (ESTRPIPE) - ENTRY(ESTRPIPE, "ESTRPIPE", "Streams pipe error"), -#endif -#if defined (ENOTEMPTY) - ENTRY(ENOTEMPTY, "ENOTEMPTY", "Directory not empty"), -#endif -#if defined (EUSERS) - ENTRY(EUSERS, "EUSERS", "Too many users"), -#endif -#if defined (ENOTSOCK) - ENTRY(ENOTSOCK, "ENOTSOCK", "Socket operation on non-socket"), -#endif -#if defined (EDESTADDRREQ) - ENTRY(EDESTADDRREQ, "EDESTADDRREQ", "Destination address required"), -#endif -#if defined (EMSGSIZE) - ENTRY(EMSGSIZE, "EMSGSIZE", "Message too long"), -#endif -#if defined (EPROTOTYPE) - ENTRY(EPROTOTYPE, "EPROTOTYPE", "Protocol wrong type for socket"), -#endif -#if defined (ENOPROTOOPT) - ENTRY(ENOPROTOOPT, "ENOPROTOOPT", "Protocol not available"), -#endif -#if defined (EPROTONOSUPPORT) - ENTRY(EPROTONOSUPPORT, "EPROTONOSUPPORT", "Protocol not supported"), -#endif -#if defined (ESOCKTNOSUPPORT) - ENTRY(ESOCKTNOSUPPORT, "ESOCKTNOSUPPORT", "Socket type not supported"), -#endif -#if defined (EOPNOTSUPP) - ENTRY(EOPNOTSUPP, "EOPNOTSUPP", "Operation not supported on transport endpoint"), -#endif -#if defined (EPFNOSUPPORT) - ENTRY(EPFNOSUPPORT, "EPFNOSUPPORT", "Protocol family not supported"), -#endif -#if defined (EAFNOSUPPORT) - ENTRY(EAFNOSUPPORT, "EAFNOSUPPORT", "Address family not supported by protocol"), -#endif -#if defined (EADDRINUSE) - ENTRY(EADDRINUSE, "EADDRINUSE", "Address already in use"), -#endif -#if defined (EADDRNOTAVAIL) - ENTRY(EADDRNOTAVAIL, "EADDRNOTAVAIL","Cannot assign requested address"), -#endif -#if defined (ENETDOWN) - ENTRY(ENETDOWN, "ENETDOWN", "Network is down"), -#endif -#if defined (ENETUNREACH) - ENTRY(ENETUNREACH, "ENETUNREACH", "Network is unreachable"), -#endif -#if defined (ENETRESET) - ENTRY(ENETRESET, "ENETRESET", "Network dropped connection because of reset"), -#endif -#if defined (ECONNABORTED) - ENTRY(ECONNABORTED, "ECONNABORTED", "Software caused connection abort"), -#endif -#if defined (ECONNRESET) - ENTRY(ECONNRESET, "ECONNRESET", "Connection reset by peer"), -#endif -#if defined (ENOBUFS) - ENTRY(ENOBUFS, "ENOBUFS", "No buffer space available"), -#endif -#if defined (EISCONN) - ENTRY(EISCONN, "EISCONN", "Transport endpoint is already connected"), -#endif -#if defined (ENOTCONN) - ENTRY(ENOTCONN, "ENOTCONN", "Transport endpoint is not connected"), -#endif -#if defined (ESHUTDOWN) - ENTRY(ESHUTDOWN, "ESHUTDOWN", "Cannot send after transport endpoint shutdown"), -#endif -#if defined (ETOOMANYREFS) - ENTRY(ETOOMANYREFS, "ETOOMANYREFS", "Too many references: cannot splice"), -#endif -#if defined (ETIMEDOUT) - ENTRY(ETIMEDOUT, "ETIMEDOUT", "Connection timed out"), -#endif -#if defined (ECONNREFUSED) - ENTRY(ECONNREFUSED, "ECONNREFUSED", "Connection refused"), -#endif -#if defined (EHOSTDOWN) - ENTRY(EHOSTDOWN, "EHOSTDOWN", "Host is down"), -#endif -#if defined (EHOSTUNREACH) - ENTRY(EHOSTUNREACH, "EHOSTUNREACH", "No route to host"), -#endif -#if defined (EALREADY) - ENTRY(EALREADY, "EALREADY", "Operation already in progress"), -#endif -#if defined (EINPROGRESS) - ENTRY(EINPROGRESS, "EINPROGRESS", "Operation now in progress"), -#endif -#if defined (ESTALE) - ENTRY(ESTALE, "ESTALE", "Stale NFS file handle"), -#endif -#if defined (EUCLEAN) - ENTRY(EUCLEAN, "EUCLEAN", "Structure needs cleaning"), -#endif -#if defined (ENOTNAM) - ENTRY(ENOTNAM, "ENOTNAM", "Not a XENIX named type file"), -#endif -#if defined (ENAVAIL) - ENTRY(ENAVAIL, "ENAVAIL", "No XENIX semaphores available"), -#endif -#if defined (EISNAM) - ENTRY(EISNAM, "EISNAM", "Is a named type file"), -#endif -#if defined (EREMOTEIO) - ENTRY(EREMOTEIO, "EREMOTEIO", "Remote I/O error"), -#endif - ENTRY(0, NULL, NULL) -}; - -#ifdef EVMSERR -/* This is not in the table, because the numeric value of EVMSERR (32767) - lies outside the range of sys_errlist[]. */ -static struct { int value; const char *name, *msg; } - evmserr = { EVMSERR, "EVMSERR", "VMS-specific error" }; -#endif - -/* Translation table allocated and initialized at runtime. Indexed by the - errno value to find the equivalent symbolic value. */ - -static const char **error_names; -static int num_error_names = 0; - -/* Translation table allocated and initialized at runtime, if it does not - already exist in the host environment. Indexed by the errno value to find - the descriptive string. - - We don't export it for use in other modules because even though it has the - same name, it differs from other implementations in that it is dynamically - initialized rather than statically initialized. */ - -#ifndef HAVE_SYS_ERRLIST - -#define sys_nerr sys_nerr__ -#define sys_errlist sys_errlist__ -static int sys_nerr; -static const char **sys_errlist; - -#else - -extern int sys_nerr; -extern char *sys_errlist[]; - -#endif - -/* - -NAME - - init_error_tables -- initialize the name and message tables - -SYNOPSIS - - static void init_error_tables (); - -DESCRIPTION - - Using the error_table, which is initialized at compile time, generate - the error_names and the sys_errlist (if needed) tables, which are - indexed at runtime by a specific errno value. - -BUGS - - The initialization of the tables may fail under low memory conditions, - in which case we don't do anything particularly useful, but we don't - bomb either. Who knows, it might succeed at a later point if we free - some memory in the meantime. In any case, the other routines know - how to deal with lack of a table after trying to initialize it. This - may or may not be considered to be a bug, that we don't specifically - warn about this particular failure mode. - -*/ - -static void -init_error_tables (void) -{ - const struct error_info *eip; - int nbytes; - - /* If we haven't already scanned the error_table once to find the maximum - errno value, then go find it now. */ - - if (num_error_names == 0) - { - for (eip = error_table; eip -> name != NULL; eip++) - { - if (eip -> value >= num_error_names) - { - num_error_names = eip -> value + 1; - } - } - } - - /* Now attempt to allocate the error_names table, zero it out, and then - initialize it from the statically initialized error_table. */ - - if (error_names == NULL) - { - nbytes = num_error_names * sizeof (char *); - if ((error_names = (const char **) malloc (nbytes)) != NULL) - { - memset (error_names, 0, nbytes); - for (eip = error_table; eip -> name != NULL; eip++) - { - error_names[eip -> value] = eip -> name; - } - } - } - -#ifndef HAVE_SYS_ERRLIST - - /* Now attempt to allocate the sys_errlist table, zero it out, and then - initialize it from the statically initialized error_table. */ - - if (sys_errlist == NULL) - { - nbytes = num_error_names * sizeof (char *); - if ((sys_errlist = (const char **) malloc (nbytes)) != NULL) - { - memset (sys_errlist, 0, nbytes); - sys_nerr = num_error_names; - for (eip = error_table; eip -> name != NULL; eip++) - { - sys_errlist[eip -> value] = eip -> msg; - } - } - } - -#endif - -} - -/* - - -@deftypefn Extension int errno_max (void) - -Returns the maximum @code{errno} value for which a corresponding -symbolic name or message is available. Note that in the case where we -use the @code{sys_errlist} supplied by the system, it is possible for -there to be more symbolic names than messages, or vice versa. In -fact, the manual page for @code{perror(3C)} explicitly warns that one -should check the size of the table (@code{sys_nerr}) before indexing -it, since new error codes may be added to the system before they are -added to the table. Thus @code{sys_nerr} might be smaller than value -implied by the largest @code{errno} value defined in @code{<errno.h>}. - -We return the maximum value that can be used to obtain a meaningful -symbolic name or message. - -@end deftypefn - -*/ - -int -errno_max (void) -{ - int maxsize; - - if (error_names == NULL) - { - init_error_tables (); - } - maxsize = MAX (sys_nerr, num_error_names); - return (maxsize - 1); -} - -#ifndef HAVE_STRERROR - -/* - -@deftypefn Supplemental char* strerror (int @var{errnoval}) - -Maps an @code{errno} number to an error message string, the contents -of which are implementation defined. On systems which have the -external variables @code{sys_nerr} and @code{sys_errlist}, these -strings will be the same as the ones used by @code{perror}. - -If the supplied error number is within the valid range of indices for -the @code{sys_errlist}, but no message is available for the particular -error number, then returns the string @samp{Error @var{num}}, where -@var{num} is the error number. - -If the supplied error number is not a valid index into -@code{sys_errlist}, returns @code{NULL}. - -The returned string is only guaranteed to be valid only until the -next call to @code{strerror}. - -@end deftypefn - -*/ - -char * -strerror (int errnoval) -{ - const char *msg; - static char buf[32]; - -#ifndef HAVE_SYS_ERRLIST - - if (error_names == NULL) - { - init_error_tables (); - } - -#endif - - if ((errnoval < 0) || (errnoval >= sys_nerr)) - { -#ifdef EVMSERR - if (errnoval == evmserr.value) - msg = evmserr.msg; - else -#endif - /* Out of range, just return NULL */ - msg = NULL; - } - else if ((sys_errlist == NULL) || (sys_errlist[errnoval] == NULL)) - { - /* In range, but no sys_errlist or no entry at this index. */ - sprintf (buf, "Error %d", errnoval); - msg = buf; - } - else - { - /* In range, and a valid message. Just return the message. */ - msg = (char *) sys_errlist[errnoval]; - } - - return (msg); -} - -#endif /* ! HAVE_STRERROR */ - - -/* - -@deftypefn Replacement {const char*} strerrno (int @var{errnum}) - -Given an error number returned from a system call (typically returned -in @code{errno}), returns a pointer to a string containing the -symbolic name of that error number, as found in @code{<errno.h>}. - -If the supplied error number is within the valid range of indices for -symbolic names, but no name is available for the particular error -number, then returns the string @samp{Error @var{num}}, where @var{num} -is the error number. - -If the supplied error number is not within the range of valid -indices, then returns @code{NULL}. - -The contents of the location pointed to are only guaranteed to be -valid until the next call to @code{strerrno}. - -@end deftypefn - -*/ - -const char * -strerrno (int errnoval) -{ - const char *name; - static char buf[32]; - - if (error_names == NULL) - { - init_error_tables (); - } - - if ((errnoval < 0) || (errnoval >= num_error_names)) - { -#ifdef EVMSERR - if (errnoval == evmserr.value) - name = evmserr.name; - else -#endif - /* Out of range, just return NULL */ - name = NULL; - } - else if ((error_names == NULL) || (error_names[errnoval] == NULL)) - { - /* In range, but no error_names or no entry at this index. */ - sprintf (buf, "Error %d", errnoval); - name = (const char *) buf; - } - else - { - /* In range, and a valid name. Just return the name. */ - name = error_names[errnoval]; - } - - return (name); -} - -/* - -@deftypefn Extension int strtoerrno (const char *@var{name}) - -Given the symbolic name of a error number (e.g., @code{EACCES}), map it -to an errno value. If no translation is found, returns 0. - -@end deftypefn - -*/ - -int -strtoerrno (const char *name) -{ - int errnoval = 0; - - if (name != NULL) - { - if (error_names == NULL) - { - init_error_tables (); - } - for (errnoval = 0; errnoval < num_error_names; errnoval++) - { - if ((error_names[errnoval] != NULL) && - (strcmp (name, error_names[errnoval]) == 0)) - { - break; - } - } - if (errnoval == num_error_names) - { -#ifdef EVMSERR - if (strcmp (name, evmserr.name) == 0) - errnoval = evmserr.value; - else -#endif - errnoval = 0; - } - } - return (errnoval); -} - - -/* A simple little main that does nothing but print all the errno translations - if MAIN is defined and this file is compiled and linked. */ - -#ifdef MAIN - -#include <stdio.h> - -int -main (void) -{ - int errn; - int errnmax; - const char *name; - const char *msg; - char *strerror (); - - errnmax = errno_max (); - printf ("%d entries in names table.\n", num_error_names); - printf ("%d entries in messages table.\n", sys_nerr); - printf ("%d is max useful index.\n", errnmax); - - /* Keep printing values until we get to the end of *both* tables, not - *either* table. Note that knowing the maximum useful index does *not* - relieve us of the responsibility of testing the return pointer for - NULL. */ - - for (errn = 0; errn <= errnmax; errn++) - { - name = strerrno (errn); - name = (name == NULL) ? "<NULL>" : name; - msg = strerror (errn); - msg = (msg == NULL) ? "<NULL>" : msg; - printf ("%-4d%-18s%s\n", errn, name, msg); - } - - return 0; -} - -#endif |