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bootstrap: Remove strerror()

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* bootstrap.conf: Remove strerror module
* configure.ac: Add a check for strerror
* src/misc.c: Add a default strerror() if not found
This commit is contained in:
Paul Smith 2022-06-26 16:49:52 -04:00
parent 0cbee1b475
commit 9992cb0b83
3 changed files with 120 additions and 2 deletions
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1
bootstrap.conf
View file

@ -57,5 +57,4 @@ fdl
findprog-in
getloadavg
host-cpu-c-abi
strerror
make-glob"

2
configure.ac
View file

@ -136,7 +136,7 @@ AS_IF([test "$ac_cv_func_gettimeofday" = yes],
AC_CHECK_FUNCS([strtoll strdup strndup memrchr mempcpy umask mkstemp mktemp \
fdopen dup dup2 getcwd realpath sigsetmask sigaction \
getgroups seteuid setegid setlinebuf setreuid setregid \
getrlimit setrlimit setvbuf pipe strsignal \
getrlimit setrlimit setvbuf pipe strerror strsignal \
lstat readlink atexit isatty ttyname pselect posix_spawn \
posix_spawnattr_setsigmask])

119
src/misc.c
View file

@ -891,3 +891,122 @@ mempcpy (void *dest, const void *src, size_t n)
# define QUAD 1
# include <strtol.c>
#endif
#if !HAVE_STRERROR
char *
strerror (int errnum)
{
static char msg[256];
#define SETMSG(_e, _m) case _e: strcpy(msg, _m); break
switch (errnum)
{
#ifdef EPERM
SETMSG (EPERM , "Operation not permitted");
#endif
#ifdef ENOENT
SETMSG (ENOENT , "No such file or directory");
#endif
#ifdef ESRCH
SETMSG (ESRCH , "No such process");
#endif
#ifdef EINTR
SETMSG (EINTR , "Interrupted system call");
#endif
#ifdef EIO
SETMSG (EIO , "I/O error");
#endif
#ifdef ENXIO
SETMSG (ENXIO , "No such device or address");
#endif
#ifdef E2BIG
SETMSG (E2BIG , "Argument list too long");
#endif
#ifdef ENOEXEC
SETMSG (ENOEXEC, "Exec format error");
#endif
#ifdef EBADF
SETMSG (EBADF , "Bad file number");
#endif
#ifdef ECHILD
SETMSG (ECHILD , "No child processes");
#endif
#ifdef EAGAIN
SETMSG (EAGAIN , "Try again");
#endif
#ifdef ENOMEM
SETMSG (ENOMEM , "Out of memory");
#endif
#ifdef EACCES
SETMSG (EACCES , "Permission denied");
#endif
#ifdef EFAULT
SETMSG (EFAULT , "Bad address");
#endif
#ifdef ENOTBLK
SETMSG (ENOTBLK, "Block device required");
#endif
#ifdef EBUSY
SETMSG (EBUSY , "Device or resource busy");
#endif
#ifdef EEXIST
SETMSG (EEXIST , "File exists");
#endif
#ifdef EXDEV
SETMSG (EXDEV , "Cross-device link");
#endif
#ifdef ENODEV
SETMSG (ENODEV , "No such device");
#endif
#ifdef ENOTDIR
SETMSG (ENOTDIR, "Not a directory");
#endif
#ifdef EISDIR
SETMSG (EISDIR , "Is a directory");
#endif
#ifdef EINVAL
SETMSG (EINVAL , "Invalid argument");
#endif
#ifdef ENFILE
SETMSG (ENFILE , "File table overflow");
#endif
#ifdef EMFILE
SETMSG (EMFILE , "Too many open files");
#endif
#ifdef ENOTTY
SETMSG (ENOTTY , "Not a typewriter");
#endif
#ifdef ETXTBSY
SETMSG (ETXTBSY, "Text file busy");
#endif
#ifdef EFBIG
SETMSG (EFBIG , "File too large");
#endif
#ifdef ENOSPC
SETMSG (ENOSPC , "No space left on device");
#endif
#ifdef ESPIPE
SETMSG (ESPIPE , "Illegal seek");
#endif
#ifdef EROFS
SETMSG (EROFS , "Read-only file system");
#endif
#ifdef EMLINK
SETMSG (EMLINK , "Too many links");
#endif
#ifdef EPIPE
SETMSG (EPIPE , "Broken pipe");
#endif
#ifdef EDOM
SETMSG (EDOM , "Math argument out of domain of func");
#endif
#ifdef ERANGE
SETMSG (ERANGE , "Math result not representable");
#endif
default: sprintf (msg, "Unknown error %d", errnum); break;
}
return msg;
}
#endif