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authorNicholas <nbnoll@eml.cc>2021-11-11 17:07:44 -0800
committerNicholas <nbnoll@eml.cc>2021-11-11 17:07:44 -0800
commitb375f3cdedb5b0e08745d100b40e38d2f8396a58 (patch)
treea51d5763646ff482c26e79bfc1dcebccbe4812a7 /sys/libfmt/open.c
parent44b30ea0883af2827e618a45d472b47cf041a842 (diff)
parent9695ea005d4af93dcd60f74f10fd3c54499a182f (diff)
chore: merge master into laptop
Diffstat (limited to 'sys/libfmt/open.c')
-rw-r--r--sys/libfmt/open.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/sys/libfmt/open.c b/sys/libfmt/open.c
new file mode 100644
index 0000000..8aadef5
--- /dev/null
+++ b/sys/libfmt/open.c
@@ -0,0 +1,34 @@
+#include "internal.h"
+
+static int
+flush(fmt·State *io)
+{
+ int n, fd;
+
+ fd = (uintptr)io->file;
+ n = io->buffer.cur - io->buffer.beg;
+ if(n && write(fd, io->buffer.beg, n) != n)
+ return -1;
+
+ io->buffer.cur = io->buffer.beg;
+ return io->n;
+}
+
+int
+fmt·open(int fd, int len, char *buf, fmt·State *io)
+{
+ io->buffer.beg = buf;
+ io->buffer.cur = buf;
+ io->buffer.end = buf+len;
+ io->flush = flush;
+ io->file = (void*)(uintptr)fd;
+ io->flag = 0;
+ io->n = 0;
+ /* no heap needed */
+ io->heap = nil;
+ io->mem = (mem·Reallocator){ 0 };
+
+ fmt·setlocale(io, nil, nil, nil);
+
+ return 0;
+}