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Jim Meyering
083a5e420b
This fixes one or two unlikely storage allocation overflow bugs, but doesn't change user-visible behavior otherwise. (bool): Declare, perhaps by including stdbool.h. (<sys/types.h>): Include only if HAVE_SYS_TYPES_H. (<stdlib.h>, <string.h>, <strings.h>, <inttypes.h>, <stdint.h>): Include if available. (<xalloc.h>): Include (SIZE_MAX): Define if <stdint.h> or <inttypes.h> doesn't. (verify): New macro. Use it to verify that EXCLUDE macros do not collide with FNM macros. (struct patopts): New struct. (struct exclude): Use it, as exclude patterns now come with options. (new_exclude): Support above changes. (new_exclude, add_exclude_file): Initial size must now be a power of two to simplify overflow checking. (free_exclude, fnmatch_no_wildcards): New function. (excluded_filename): No longer requires options arg, as the options are determined by add_exclude. Now returns bool, not int. (excluded_filename, add_exclude): Add support for the fancy new exclusion options. (add_exclude, add_exclude_file): Now takes int options arg. Check for arithmetic overflow when computing sizes. (add_exclude_file): xrealloc might modify errno, so don't realloc until after errno might be used.