1 files changed, 75 insertions, 0 deletions
diff --git a/filesystems/curlftpfs/files/patch-path__utils.c b/filesystems/curlftpfs/files/patch-path__utils.c
new file mode 100644
index 000000000000..7855c90e7043
--- /dev/null
+++ b/filesystems/curlftpfs/files/patch-path__utils.c
@@ -0,0 +1,75 @@
+--- path_utils.c.orig	2007-11-20 19:27:58 UTC
++++ path_utils.c
+@@ -92,3 +92,72 @@ char* get_dir_path(const char* path) {
+ 
+   return ret;
+ }
++
++/*
++ * the chars not needed to be escaped:
++ *    unreserved  = ALPHA / DIGIT / "-" / "." / "_" / "~"
++ */
++static inline int is_unreserved_rfc3986(char c)
++{
++    int is_locase_alpha = (c >= 'a' && c <= 'z');
++    int is_upcase_alpha = (c >= 'A' && c <= 'Z');
++    int is_digit        = (c >= '0' && c <= '9');
++    int is_special      = c == '-'
++                       || c == '.'
++                       || c == '_'
++                       || c == '~';
++    int is_unreserved = is_locase_alpha
++                      || is_upcase_alpha
++                      || is_digit
++                      || is_special;
++
++    return is_unreserved;
++}
++
++static inline int is_unreserved(char c)
++{
++    return is_unreserved_rfc3986(c) || c == '/';
++}
++
++char* path_to_uri(const char* path)
++{
++    static const char hex[] = "0123456789ABCDEF";
++    size_t path_len = strlen(path);
++    size_t host_len = strlen(ftpfs.host);
++    /* at worst: c -> %XX */
++    char * encoded_path = malloc (3 * path_len + 1);
++    const char * s = path;
++    char * d       = encoded_path;
++
++    /*
++     * 'path' is always prefixed with 'ftpfs.host'
++     */
++    memcpy (d, ftpfs.host, host_len);
++    s += host_len;
++    d += host_len;
++
++    for (; *s; ++s)
++    {
++        char c = *s;
++        if (is_unreserved (c))
++        {
++            *d++ = c;
++        }
++        else
++        {
++            unsigned int hi = ((unsigned)c >> 4) & 0xF;
++            unsigned int lo = ((unsigned)c >> 0) & 0xF;
++            *d++ = '%';
++            *d++ = hex[hi];
++            *d++ = hex[lo];
++        }
++    }
++    *d = '\0';
++
++    return encoded_path;
++}
++
++void free_uri(char* path)
++{
++    free(path);
++}