X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev_utils_string.c;h=b0641f002b01b2c1f676c41900518c27e447c5b5;hp=8cda47272ffc9ee83cef43e2a55c2b7f416b78b4;hb=4a86b682ab3f0473a24ef66d56db100eb592a9bb;hpb=27b77df44daebbd7597c572343105c16de099233 diff --git a/udev_utils_string.c b/udev_utils_string.c index 8cda47272..b0641f002 100644 --- a/udev_utils_string.c +++ b/udev_utils_string.c @@ -50,6 +50,49 @@ void remove_trailing_chars(char *path, char c) path[--len] = '\0'; } +size_t path_encode(char *s, size_t len) +{ + char t[(len * 3)+1]; + size_t i, j; + + t[0] = '\0'; + for (i = 0, j = 0; s[i] != '\0'; i++) { + if (s[i] == '/') { + memcpy(&t[j], "%2f", 3); + j += 3; + } else if (s[i] == '%') { + memcpy(&t[j], "%25", 3); + j += 3; + } else { + t[j] = s[i]; + j++; + } + } + t[j] = '\0'; + strncpy(s, t, len); + return j; +} + +size_t path_decode(char *s) +{ + size_t i, j; + + for (i = 0, j = 0; s[i] != '\0'; j++) { + if (memcmp(&s[i], "%2f", 3) == 0) { + s[j] = '/'; + i += 3; + }else if (memcmp(&s[i], "%25", 3) == 0) { + s[j] = '%'; + i += 3; + } else { + s[j] = s[i]; + i++; + } + } + s[j] = '\0'; + return j; +} + /* count of characters used to encode one unicode char */ static int utf8_encoded_expected_len(const char *str) {