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| author | Eli Zaretskii <eliz@gnu.org> | 2021-02-06 11:54:08 +0200 |
|---|---|---|
| committer | Eli Zaretskii <eliz@gnu.org> | 2021-02-06 11:54:08 +0200 |
| commit | b84b8dff709fd80ee124565222f333f53351ab4a (patch) | |
| tree | 19eb4e29ca739b28e0e12e1e5c4b9a3cf8cd26c8 | |
| parent | 431b098a206d27a2dff6a88312c28c36926f90e9 (diff) | |
| download | emacs-b84b8dff709fd80ee124565222f333f53351ab4a.tar.gz | |
Fix copying text properties in 'format'
* src/editfns.c (styled_format): Fix accounting for text
properties that come from the format string. (Bug#46317)
* test/src/editfns-tests.el (format-properties): Add new tests for
bug#46317.
| -rw-r--r-- | src/editfns.c | 10 | ||||
| -rw-r--r-- | test/src/editfns-tests.el | 22 |
2 files changed, 30 insertions, 2 deletions
diff --git a/src/editfns.c b/src/editfns.c index e3285494c14..991f79abac7 100644 --- a/src/editfns.c +++ b/src/editfns.c @@ -3134,6 +3134,7 @@ styled_format (ptrdiff_t nargs, Lisp_Object *args, bool message) char *format_start = SSDATA (args[0]); bool multibyte_format = STRING_MULTIBYTE (args[0]); ptrdiff_t formatlen = SBYTES (args[0]); + bool fmt_props = string_intervals (args[0]); /* Upper bound on number of format specs. Each uses at least 2 chars. */ ptrdiff_t nspec_bound = SCHARS (args[0]) >> 1; @@ -3406,13 +3407,20 @@ styled_format (ptrdiff_t nargs, Lisp_Object *args, bool message) convbytes += padding; if (convbytes <= buf + bufsize - p) { + /* If the format spec has properties, we should account + for the padding on the left in the info[] array. */ + if (fmt_props) + spec->start = nchars; if (! minus_flag) { memset (p, ' ', padding); p += padding; nchars += padding; } - spec->start = nchars; + /* If the properties will come from the argument, we + don't extend them to the left due to padding. */ + if (!fmt_props) + spec->start = nchars; if (p > buf && multibyte diff --git a/test/src/editfns-tests.el b/test/src/editfns-tests.el index 64f9137865b..dcec971c12e 100644 --- a/test/src/editfns-tests.el +++ b/test/src/editfns-tests.el @@ -106,7 +106,27 @@ #("foobar" 3 6 (face error)))) (should (ert-equal-including-properties (format (concat "%s " (propertize "%s" 'face 'error)) "foo" "bar") - #("foo bar" 4 7 (face error))))) + #("foo bar" 4 7 (face error)))) + ;; Bug #46317 + (let ((s (propertize "X" 'prop "val"))) + (should (ert-equal-including-properties + (format (concat "%3s/" s) 12) + #(" 12/X" 4 5 (prop "val")))) + (should (ert-equal-including-properties + (format (concat "%3S/" s) 12) + #(" 12/X" 4 5 (prop "val")))) + (should (ert-equal-including-properties + (format (concat "%3d/" s) 12) + #(" 12/X" 4 5 (prop "val")))) + (should (ert-equal-including-properties + (format (concat "%-3s/" s) 12) + #("12 /X" 4 5 (prop "val")))) + (should (ert-equal-including-properties + (format (concat "%-3S/" s) 12) + #("12 /X" 4 5 (prop "val")))) + (should (ert-equal-including-properties + (format (concat "%-3d/" s) 12) + #("12 /X" 4 5 (prop "val")))))) ;; Tests for bug#5131. (defun transpose-test-reverse-word (start end) |