diff options
Diffstat (limited to 'lib/libc/src/stdio/fwrite.c')
-rw-r--r-- | lib/libc/src/stdio/fwrite.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/lib/libc/src/stdio/fwrite.c b/lib/libc/src/stdio/fwrite.c deleted file mode 100644 index ea79009..0000000 --- a/lib/libc/src/stdio/fwrite.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Hyra nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <stdio.h> -#include <string.h> -#include <unistd.h> - -size_t -fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream) -{ - const char *pos; - size_t n_remaining; - - if (ptr == NULL || stream == NULL) - return 0; - if (size == 0 || nmemb == 0) - return 0; - if (!(stream->flags & FILE_WRITE)) - return 0; - - /* Write data to buffer, flushing as needed */ - pos = ptr; - n_remaining = size * nmemb; - while (n_remaining > 0) { - size_t n_free = stream->write_end - stream->write_pos; - - /* If enough buffer space is available, finish writing */ - if (n_remaining < n_free) { - memcpy(stream->write_pos, pos, n_remaining); - stream->write_pos += n_remaining; - break; - } - - /* Otherwise, write as much as possible now */ - memcpy(stream->write_pos, pos, n_free); - stream->write_pos += n_free; - - /* Return if flushing fails */ - if (fflush(stream) == EOF) - return nmemb - (n_remaining / size); - - pos += n_free; - n_remaining -= n_free; - } - - return nmemb; -} |