freebsd::stringf3
Build a std::string using stdio formatting
Usage
#include <libutil++.hh>
std::string
freebsd::stringf(const char *fmt, ...);
std::string
freebsd::stringf(const char *fmt, va_list ap);
Library
library “libutil++”
Overview
These functions construct a std::string object containing a formatted string. The output of the string is dictated by the fmt argument and additional arguments using the same conventions documented in printf(3). The first form provides functionality similar to asprintf(3) and the second form is similar to vasprintf(3).
Return values
These functions return a std::string object.
Exceptions
These functions may throw one of the following exceptions:
- [std::bad_alloc]
-
Failed to allocate memory.
- [std::length_error]
-
The result would exceeed the maximum possible string size.
Examples
std::string s = freebsd::stringf("hello %s", "world");
Releases
Unchanged in 3 releases since FreeBSD 15.0-RELEASE.