strfmon_l: Fix -fsanitize=address finding. * lib/strfmon_l.c: Include <errno.h>, <stdbool.h>, <stdlib.h>, <string.h>. (MAX_ARGS): Renamed from MAX_ARG_WORDS. (directive_t, directives_t): New types. (fmon_parse): New function. (rpl_strfmon_l): Don't call va_arg more often than needed for the format string. Consume 'long double' arguments in places where the format string indicates so. * modules/strfmon_l (Depends-on): Add 'stdbool'.

Description:
fd_safer_flag() function: adjust a file descriptor result so that it avoids
clobbering STD{IN,OUT,ERR}_FILENO, with specific flags.

Files:
lib/fd-safer-flag.c
lib/dup-safer-flag.c

Depends-on:
cloexec
fcntl
unistd-safer

configure.ac:
gl_MODULE_INDICATOR([fd-safer-flag])

Makefile.am:
lib_SOURCES += fd-safer-flag.c dup-safer-flag.c

Include:
"unistd-safer.h"

License:
GPL

Maintainer:
Eric Blake