diff options
Diffstat (limited to 'libxo/xo_emit.3')
| -rw-r--r-- | libxo/xo_emit.3 | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/libxo/xo_emit.3 b/libxo/xo_emit.3 index e77ca00581d9..cbf9d2b11eb4 100644 --- a/libxo/xo_emit.3 +++ b/libxo/xo_emit.3 @@ -23,8 +23,6 @@ .Fn xo_emit_h "xo_handle_t *xop" "const char *fmt" "..." .Ft xo_ssize_t .Fn xo_emit_hv "xo_handle_t *xop" "const char *fmt" "va_list vap" -.Ft xo_ssize_t -.Fn xo_emitr "const char *fmt" "..." .Sh DESCRIPTION The .Fn xo_emit @@ -92,33 +90,6 @@ the "--libxo" option: <div class="data" data-tag="filename">/etc/motd</div> </div> .Ed -.Sh Retaining Formatting Information for Constant Strings -.Pp -The -.Nm libxo -library can cache the compiled internal version of the format for -circumstances when the format will be used repeatedly, such as a loop. -This cannot be used when the format string is in a dynamic buffer, -since the cache retains a reference to the static format string, -typically a static compile-time constant value. -.Pp -Typically static strings are placed in an executable's ".text" segment, -so -.Nm libxo -knows that the formatting information in such static strings can be -cached (retained), but shared libraries will have their own ".text" -segment, so without the XOEF_RETAIN flag, -.Nm libxo -cannot presume to retain formatting information. -If a caller in shared library code want their formats retained, they -need to pass the XOEF_RETAIN flag. -.Pp -The -.Fn xo_emitr -function is a convenience function that passes the XOEF_RETAIN -flag to -.Fn xo_emit_hvf , -and can be used in shared libraries when the format string is static. .Sh RETURN CODE .Nm returns a negative value on error. If the |