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#+build linux, darwin, netbsd, openbsd, freebsd, haiku
package posix
import "core:c"
when ODIN_OS == .Darwin {
foreign import lib "system:System"
} else {
foreign import lib "system:c"
}
// glob.h - pathname pattern-matching types
foreign lib {
/*
The glob() function is a pathname generator that shall implement the rules defined in
[[ XCU Pattern Matching Notation; https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_13 ]],
with optional support for rule 3 in XCU [[ Patterns Used for Filename Expansion; https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_13_03 ]].
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/glob.html ]]
*/
@(link_name=LGLOB)
glob :: proc(
pattern: cstring,
flags: Glob_Flags,
errfunc: proc "c" (epath: cstring, eerrno: Errno) -> b32 = nil, // Return `true` to abort the glob().
pglob: ^glob_t,
) -> Glob_Result ---
/*
Free the glob results.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/glob.html ]]
*/
@(link_name=LGLOBFREE)
globfree :: proc(^glob_t) ---
}
Glob_Flag_Bits :: enum c.int {
// Append pathnames generated to the ones from a previous call to glob().
APPEND = log2(GLOB_APPEND),
// Make use of pglob->gl_offs. If this flag is set, pglob->gl_offs is used to specify how many null pointers to add to the beginning of pglob->gl_pathv.
// In other words, pglob->gl_pathv shall point to pglob->gl_offs null pointers, followed by pglob->gl_pathc pathname pointers, followed by a null pointer.
DOOFFS = log2(GLOB_DOOFFS),
// Cause glob() to return when it encounters a directory that it cannot open or read. Ordinarily,
// glob() continues to find matches.
ERR = log2(GLOB_ERR),
// Each pathname that is a directory that matches pattern shall have a <slash> appended.
MARK = log2(GLOB_MARK),
// Supports rule 3 in [[ XCU Patterns Used for Filename Expansion; https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_13_03 ]].
// If pattern does not match any pathname, then glob() shall return a list consisting of only pattern,
// and the number of matched pathnames is 1.
NOCHECK = log2(GLOB_NOCHECK),
// Disable backslash escaping.
NOESCAPE = log2(GLOB_NOESCAPE),
// Ordinarily, glob() sorts the matching pathnames according to the current setting of the
// LC_COLLATE category; see XBD LC_COLLATE. When this flag is used,
// the order of pathnames returned is unspecified.
NOSORT = log2(GLOB_NOSORT),
}
Glob_Flags :: bit_set[Glob_Flag_Bits; c.int]
Glob_Result :: enum c.int {
SUCCESS = 0,
ABORTED = GLOB_ABORTED,
NOMATCH = GLOB_NOMATCH,
NOSPACE = GLOB_NOSPACE,
}
when ODIN_OS == .NetBSD {
@(private) LGLOB :: "__glob30"
@(private) LGLOBFREE :: "__globfree30"
} else {
@(private) LGLOB :: "glob" + INODE_SUFFIX
@(private) LGLOBFREE :: "globfree"
}
when ODIN_OS == .Darwin {
glob_t :: struct {
gl_pathc: c.size_t, /* [PSX] count of paths matched by pattern */
gl_matchc: c.int, /* count of paths matching pattern */
gl_offs: c.size_t, /* [PSX] slots to reserve at the beginning of gl_pathv */
gl_flags: Glob_Flags, /* copy of flags parameter to glob */
gl_pathv: [^]cstring `fmt:"v,gl_pathc"`, /* [PSX] pointer to list of matched pathnames */
// Non-standard alternate file system access functions:
using _: struct #raw_union {
gl_errfunc: proc "c" (cstring, c.int) -> c.int,
gl_errblk: proc "c" (cstring, c.int) -> c.int,
},
gl_closedir: proc "c" (dirp: DIR),
gl_readdir: proc "c" (dirp: DIR) -> ^dirent,
gl_opendir: proc "c" (path: cstring) -> DIR,
gl_lstat: proc "c" (path: cstring, buf: ^stat_t) -> result,
gl_stat: proc "c" (path: cstring, buf: ^stat_t) -> result,
}
GLOB_APPEND :: 0x0001
GLOB_DOOFFS :: 0x0002
GLOB_ERR :: 0x0004
GLOB_MARK :: 0x0008
GLOB_NOCHECK :: 0x0010
GLOB_NOESCAPE :: 0x2000
GLOB_NOSORT :: 0x0020
GLOB_ABORTED :: -2
GLOB_NOMATCH :: -3
GLOB_NOSPACE :: -1
} else when ODIN_OS == .FreeBSD || ODIN_OS == .NetBSD || ODIN_OS == .Haiku {
glob_t :: struct {
gl_pathc: c.size_t, /* [PSX] count of paths matched by pattern */
gl_matchc: c.size_t, /* count of paths matching pattern */
gl_offs: c.size_t, /* [PSX] slots to reserve at the beginning of gl_pathv */
gl_flags: Glob_Flags, /* copy of flags parameter to glob */
gl_pathv: [^]cstring `fmt:"v,gl_pathc"`, /* [PSX] pointer to list of matched pathnames */
// Non-standard alternate file system access functions:
gl_errfunc: proc "c" (cstring, c.int) -> c.int,
gl_closedir: proc "c" (dirp: DIR),
gl_readdir: proc "c" (dirp: DIR) -> ^dirent,
gl_opendir: proc "c" (path: cstring) -> DIR,
gl_lstat: proc "c" (path: cstring, buf: ^stat_t) -> result,
gl_stat: proc "c" (path: cstring, buf: ^stat_t) -> result,
}
GLOB_APPEND :: 0x0001
GLOB_DOOFFS :: 0x0002
GLOB_ERR :: 0x0004
GLOB_MARK :: 0x0008
GLOB_NOCHECK :: 0x0010
GLOB_NOESCAPE :: 0x2000 when ODIN_OS == .FreeBSD || ODIN_OS == .Haiku else 0x0100
GLOB_NOSORT :: 0x0020
GLOB_ABORTED :: -2
GLOB_NOMATCH :: -3
GLOB_NOSPACE :: -1
} else when ODIN_OS == .OpenBSD {
glob_t :: struct {
gl_pathc: c.size_t, /* [PSX] count of paths matched by pattern */
gl_matchc: c.size_t, /* count of paths matching pattern */
gl_offs: c.size_t, /* [PSX] slots to reserve at the beginning of gl_pathv */
gl_flags: Glob_Flags, /* copy of flags parameter to glob */
gl_pathv: [^]cstring `fmt:"v,gl_pathc"`, /* [PSX] pointer to list of matched pathnames */
gl_statv: [^]stat_t,
// Non-standard alternate file system access functions:
gl_errfunc: proc "c" (cstring, c.int) -> c.int,
gl_closedir: proc "c" (dirp: DIR),
gl_readdir: proc "c" (dirp: DIR) -> ^dirent,
gl_opendir: proc "c" (path: cstring) -> DIR,
gl_lstat: proc "c" (path: cstring, buf: ^stat_t) -> result,
gl_stat: proc "c" (path: cstring, buf: ^stat_t) -> result,
}
GLOB_APPEND :: 0x0001
GLOB_DOOFFS :: 0x0002
GLOB_ERR :: 0x0004
GLOB_MARK :: 0x0008
GLOB_NOCHECK :: 0x0010
GLOB_NOESCAPE :: 0x1000
GLOB_NOSORT :: 0x0020
GLOB_ABORTED :: -2
GLOB_NOMATCH :: -3
GLOB_NOSPACE :: -1
} else when ODIN_OS == .Linux {
glob_t :: struct {
gl_pathc: c.size_t, /* [PSX] count of paths matched by pattern */
gl_pathv: [^]cstring `fmt:"v,gl_pathc"`, /* [PSX] pointer to list of matched pathnames */
gl_offs: c.size_t, /* [PSX] slots to reserve at the beginning of gl_pathv */
gl_flags: Glob_Flags, /* copy of flags parameter to glob */
// Non-standard alternate file system access functions:
gl_closedir: proc "c" (dirp: DIR),
gl_readdir: proc "c" (dirp: DIR) -> ^dirent,
gl_opendir: proc "c" (path: cstring) -> DIR,
gl_lstat: proc "c" (path: cstring, buf: ^stat_t) -> result,
gl_stat: proc "c" (path: cstring, buf: ^stat_t) -> result,
}
GLOB_ERR :: 1 << 0
GLOB_MARK :: 1 << 1
GLOB_NOSORT :: 1 << 2
GLOB_DOOFFS :: 1 << 3
GLOB_NOCHECK :: 1 << 4
GLOB_APPEND :: 1 << 5
GLOB_NOESCAPE :: 1 << 6
GLOB_NOSPACE :: 1
GLOB_ABORTED :: 2
GLOB_NOMATCH :: 3
}
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