From 5f10d9b51487c4635a8400e8a86bbd51e221bdd2 Mon Sep 17 00:00:00 2001 From: June McEnroe Date: Thu, 22 Nov 2018 22:04:41 -0500 Subject: Add fileWrite for edi --- bin/edi/file.c | 32 +++++++++++++++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) (limited to 'bin/edi/file.c') diff --git a/bin/edi/file.c b/bin/edi/file.c index 85984aee..7f9fef45 100644 --- a/bin/edi/file.c +++ b/bin/edi/file.c @@ -14,7 +14,6 @@ * along with this program. If not, see . */ -#include #include #include #include @@ -80,3 +79,34 @@ void fileRead(struct File *file) { fclose(stream); } + +// TODO: Error handling. +void fileWrite(struct File *file) { + if (!file->path) return; + + FILE *stream = fopen(file->path, "w"); + if (!stream) err(EX_CANTCREAT, "%s", file->path); + + const struct Table *table = logTable(&file->log); + if (!table) errx(EX_SOFTWARE, "fileWrite: no table"); + + char buf[BufferCap]; + mbstate_t state = StateInit; + for (size_t i = 0; i < table->len; ++i) { + struct Slice slice = table->slices[i]; + while (slice.len) { + size_t mbsLen = wcsnrtombs( + buf, &slice.ptr, slice.len, sizeof(buf), &state + ); + if (mbsLen == (size_t)-1) err(EX_DATAERR, "%s", file->path); + slice.len -= slice.ptr - table->slices[i].ptr; + + fwrite(buf, 1, mbsLen, stream); + if (ferror(stream)) err(EX_IOERR, "%s", file->path); + } + } + file->clean = file->log.state; + + fclose(stream); + if (ferror(stream)) err(EX_IOERR, "%s", file->path); +} -- cgit 1.4.1