Global: use glob(3) if wordexp(3) is not available

CMakeLists.txt

@@ -1385,6 +1385,10 @@ if(NOT WIN32)
     if(HAVE_WORDEXP)
         target_compile_definitions(libfastfetch PRIVATE FF_HAVE_WORDEXP=1)
     endif()
+    CHECK_INCLUDE_FILE("glob.h" HAVE_GLOB)
+    if(HAVE_GLOB)
+        target_compile_definitions(libfastfetch PRIVATE FF_HAVE_GLOB=1)
+    endif()
     if(ENABLE_THREADS AND CMAKE_USE_PTHREADS_INIT)
         CHECK_INCLUDE_FILE("pthread_np.h" HAVE_PTHREAD_NP)
         if(HAVE_PTHREAD_NP)

src/common/io/io_unix.c

@@ -14,8 +14,11 @@
 
 #if FF_HAVE_WORDEXP
     #include <wordexp.h>
+#elif FF_HAVE_GLOB
+    #warning "<wordexp.h> is not available, use <glob.h> instead
+    #include <glob.h>
 #else
-    #warning "<wordexp.h> not available"
+    #warning "Neither <wordexp.h> nor <glob.h> is available"
 #endif
 
 static void createSubfolders(const char* fileName)
@@ -121,7 +124,7 @@ bool ffPathExpandEnv(FF_MAYBE_UNUSED const char* in, FF_MAYBE_UNUSED FFstrbuf* o
     #if FF_HAVE_WORDEXP // https://github.com/termux/termux-packages/pull/7056
 
     wordexp_t exp;
-    if(wordexp(in, &exp, 0) != 0)
+    if (wordexp(in, &exp, 0) != 0)
         return false;
 
     if (exp.we_wordc == 1)
@@ -132,6 +135,20 @@ bool ffPathExpandEnv(FF_MAYBE_UNUSED const char* in, FF_MAYBE_UNUSED FFstrbuf* o
 
     wordfree(&exp);
 
+    #elif FF_HAVE_GLOB
+
+    glob_t gb;
+    if (glob(in, GLOB_NOSORT | GLOB_TILDE, NULL, &gb) != 0)
+        return false;
+
+    if (gb.gl_matchc == 1)
+    {
+        result = true;
+        ffStrbufSetS(out, gb.gl_pathv[0]);
+    }
+
+    globfree(&gb);
+
     #endif
 
     return result;