Aren/toaruos
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix stdio/fwrite writing element by element, which is wrong

Browse Source
This commit is contained in:
K. Lange 2018-09-11 13:11:37 +09:00
parent fca849eb0f
commit 43b021cdc6
1 changed files with 8 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
libc/stdio/stdio.c
View File

@ -305,20 +305,15 @@ size_t fread(void *ptr, size_t size, size_t nmemb, FILE * stream) {
}
size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE * stream) {
char * tracking = (char*)ptr;
for (size_t i = 0; i < nmemb; ++i) {
int r = syscall_write(stream->fd, tracking, size);
if (r < 0) {
errno = -r;
_XLOG("write error in fwrite");
return -1;
}
tracking += r;
if (r < (int)size) {
return i;
}
size_t out_size = size * nmemb;
int r = syscall_write(stream->fd, (void*)ptr, out_size);
if (r < 0) {
errno = -r;
return -1;
}
return nmemb;
return r / size;
}
int fileno(FILE * stream) {