From 6c55043e844da0d88243058ddcea507d345469eb Mon Sep 17 00:00:00 2001
From: Manos Pitsidianakis <manos@pitsidianak.is>
Date: Fri, 20 Sep 2024 11:59:55 +0300
Subject: [PATCH] Add fnmatch.h

Add fnmatch() function and FNM_* constants.

Signed-off-by: Manos Pitsidianakis <manos@pitsidianak.is>
---
 libc-test/build.rs | 12 ++++++++++++
 src/unix/mod.rs    | 22 ++++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/libc-test/build.rs b/libc-test/build.rs
index 938294717eee3..0ea0abb7f915f 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -191,6 +191,7 @@ fn test_apple(target: &str) {
         "errno.h",
         "execinfo.h",
         "fcntl.h",
+        "fnmatch.h",
         "getopt.h",
         "glob.h",
         "grp.h",
@@ -454,6 +455,7 @@ fn test_openbsd(target: &str) {
         "errno.h",
         "execinfo.h",
         "fcntl.h",
+        "fnmatch.h",
         "getopt.h",
         "libgen.h",
         "limits.h",
@@ -731,6 +733,7 @@ fn test_redox(target: &str) {
         "dlfcn.h",
         "errno.h",
         "fcntl.h",
+        "fnmatch.h",
         "grp.h",
         "limits.h",
         "locale.h",
@@ -790,6 +793,7 @@ fn test_solarish(target: &str) {
         "errno.h",
         "execinfo.h",
         "fcntl.h",
+        "fnmatch.h",
         "getopt.h",
         "glob.h",
         "grp.h",
@@ -1030,6 +1034,7 @@ fn test_netbsd(target: &str) {
         "elf.h",
         "errno.h",
         "fcntl.h",
+        "fnmatch.h",
         "getopt.h",
         "libgen.h",
         "limits.h",
@@ -1244,6 +1249,7 @@ fn test_dragonflybsd(target: &str) {
         "errno.h",
         "execinfo.h",
         "fcntl.h",
+        "fnmatch.h",
         "getopt.h",
         "glob.h",
         "grp.h",
@@ -1464,6 +1470,7 @@ fn test_wasi(target: &str) {
         "dirent.h",
         "errno.h",
         "fcntl.h",
+        "fnmatch.h",
         "langinfo.h",
         "limits.h",
         "locale.h",
@@ -1579,6 +1586,7 @@ fn test_android(target: &str) {
                "elf.h",
                "errno.h",
                "fcntl.h",
+               "fnmatch.h",
                "getopt.h",
                "grp.h",
                "ifaddrs.h",
@@ -2087,6 +2095,7 @@ fn test_freebsd(target: &str) {
                 "errno.h",
                 "execinfo.h",
                 "fcntl.h",
+                "fnmatch.h",
                 "getopt.h",
                 "glob.h",
                 "grp.h",
@@ -2706,6 +2715,7 @@ fn test_emscripten(target: &str) {
                "dlfcn.h",
                "errno.h",
                "fcntl.h",
+               "fnmatch.h",
                "glob.h",
                "grp.h",
                "ifaddrs.h",
@@ -2974,6 +2984,7 @@ fn test_neutrino(target: &str) {
         "dlfcn.h",
         "sys/elf.h",
         "fcntl.h",
+        "fnmatch.h",
         "glob.h",
         "grp.h",
         "iconv.h",
@@ -3368,6 +3379,7 @@ fn test_linux(target: &str) {
                "dlfcn.h",
                "elf.h",
                "fcntl.h",
+               "fnmatch.h",
                "getopt.h",
                "glob.h",
                [gnu]: "gnu/libc-version.h",
diff --git a/src/unix/mod.rs b/src/unix/mod.rs
index 1e6daface673a..aac5055f33a30 100644
--- a/src/unix/mod.rs
+++ b/src/unix/mod.rs
@@ -320,6 +320,24 @@ pub const ATF_PERM: ::c_int = 0x04;
 pub const ATF_PUBL: ::c_int = 0x08;
 pub const ATF_USETRAILERS: ::c_int = 0x10;
 
+pub const FNM_PERIOD: c_int = 1 << 2;
+pub const FNM_CASEFOLD: c_int = 1 << 4;
+pub const FNM_NOMATCH: c_int = 1;
+
+cfg_if! {
+    if #[cfg(any(
+        target_os = "macos",
+        target_os = "freebsd",
+        target_os = "android",
+    ))] {
+        pub const FNM_PATHNAME: c_int = 1 << 1;
+        pub const FNM_NOESCAPE: c_int = 1 << 0;
+    } else {
+        pub const FNM_PATHNAME: c_int = 1 << 0;
+        pub const FNM_NOESCAPE: c_int = 1 << 1;
+    }
+}
+
 extern "C" {
     pub static in6addr_loopback: in6_addr;
     pub static in6addr_any: in6_addr;
@@ -1570,6 +1588,10 @@ cfg_if! {
    }
 }
 
+extern "C" {
+    pub fn fnmatch(pattern: *const c_char, name: *const c_char, flags: c_int) -> c_int;
+}
+
 cfg_if! {
     if #[cfg(target_env = "newlib")] {
         mod newlib;