ICU-20545 Ensure that path ends with detected file separator

CharString, when asked, appends U_FILE_SEP_CHAR at the end of the string
it holds, if it won't find U_FILE_SEP_CHAR or U_FILE_ALT_SEP_CHAR there.
The problem starts if the dir variable uses
U_FILE_ALT_SEP_CHAR which is not equal to U_FILE_SEP_CHAR. Then the
resulting path could look like this
../data\
instead of this
../data/

This patch uses U_FILE_SEP_CHAR unless it detects that the dir variable
doesn't use it, and uses U_FILE_ALT_SEP_CHAR instead.
2 files changed
tree: 5ebf5f7ddfe0abd1bb32e58a9cd5849033422273
  1. .appveyor.yml
  2. .ci-builds/
  3. .cpyskip.txt
  4. .gitattributes
  5. .github/
  6. .gitignore
  7. .travis.yml
  8. KEYS
  9. README.md
  10. docs/
  11. icu4c/
  12. icu4j/
  13. tools/
  14. vendor/
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International Components for Unicode

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