diff options
Diffstat (limited to 'sys/libfmt/vnsprint.c')
-rw-r--r-- | sys/libfmt/vnsprint.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/sys/libfmt/vnsprint.c b/sys/libfmt/vnsprint.c new file mode 100644 index 0000000..7ded908 --- /dev/null +++ b/sys/libfmt/vnsprint.c @@ -0,0 +1,26 @@ +#include "internal.h" + +int +fmt·vnsprint(int len, char *buf, char *fmt, va_list args) +{ + fmt·State io; + + if(len <= 0) + return -1; + + io.n = 0; + io.buffer.beg = io.buffer.cur = buf; + io.buffer.end = buf+len-1; + io.flush = nil; + io.file = nil; + + va_copy(io.args, args); + + fmt·setlocale(&io, nil, nil, nil); + fmt·do(&io, fmt); + + va_end(io.args); + + *(io.buffer.cur) = 0; + return io.buffer.cur - io.buffer.beg; +} |