filesystem.h

src/filesystem/file.c

@@ -0,0 +1,34 @@
+#include "tlibc/filesystem.h"
+#include "io_includes.h"
+
+bool file_exists(cstr path){
+    if(path[0]=='.'){
+        if(path[1]==0 || (path[1]==path_sep && path[2]==0))
+            return false; // . or ./ is not a file
+        // else if(path[1]=='.' && path[2]==path_sep)
+        //TODO path_resolve because windows doesnt recognize .\ pattern
+    }
+
+#if KFS_USE_WINDOWS_H
+    DWORD dwAttrib = GetFileAttributes(path);
+    return (bool)(
+        (dwAttrib != INVALID_FILE_ATTRIBUTES) && // file exists
+        !(dwAttrib & FILE_ATTRIBUTE_DIRECTORY)); // file is not directory
+#else
+    struct stat stats;
+    i32 rez=stat(path, &stats);
+    return (bool)(
+        (rez!=-1) && // file exists
+        !(S_ISDIR(stats.st_mode))); // file is not directory
+#endif
+}
+
+Result(FILE*) file_open(cstr file_name, cstr fopen_mode){
+    FILE* f = fopen(file_name, fopen_mode);
+    if(f == NULL){
+        char* errmsg = sprintf_malloc(256, "can't open (%s) file '%s': %s",
+                fopen_mode, file_name, strerror(errno));
+        return RESULT_ERROR(errmsg, true);
+    }
+    return RESULT_VALUE(p, f);
+}