Re: realpath inconsistency from version 1.34.1 to 1.35.7

[Flix]

// File: testrealpath.c
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
 
int testrealpath(const char* path)    { 
  errno = 0;
  char *t_realpath_buf = realpath(path, NULL);
  if (NULL == t_realpath_buf) {
    printf("Resolved  failed: \"%s\"\n",path);fflush(stdout);
    perror("Resolve failed");
    return 1;
  } else {
    printf("Resolved: \"%s\"\n", t_realpath_buf);fflush(stdout);
    free(t_realpath_buf);
    return 0;
  } 
}

int main(int argc, char **argv)
{
    // files:
    testrealpath("testfile.txt");
    testrealpath("Folder/testfile.txt");
    testrealpath("testnonexistentfile.txt");
    // folders
    testrealpath("Folder");
    testrealpath("/Folder");
    testrealpath("./");
    testrealpath("");
    testrealpath("/");
    return 0;
}

/* How to perform the test:
   1) Put in a single folder this file (testrealpath.c), a blank file 
(testfile.txt),
        a folder (Folder), and inside it another blank file 
(Folder/testfile.txt)
   2) Compile the test, from the starting folder, with:
        emcc -o testrealpath.html testrealpath.c --preload-file 
testfile.txt --preload-file Folder
   3) Run it with:
        firefox testrealpath.html

   Here are the results (emsdk 1.35.7):
    
Resolved: "/testfile.txt"
Resolved: "/Folder/testfile.txt"
Resolved  failed: "testnonexistentfile.txt"

Resolved  failed: "Folder"
Resolved  failed: "/Folder"
Resolved  failed: "./"
Resolved  failed: ""
Resolved  failed: "/"

So every folder fails the test.

    What was the result with emsdk 1.34.1 ?

Well, do not ask me to reinstall it please!
Anyway I'm pretty sure that, at least, "./" or "" returned "/".

That's all I can contribute.
*/




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