ExternalVendorCode/serval-dna
1
0
Fork 0
mirror of https://github.com/servalproject/serval-dna.git synced 2025-02-20 09:26:37 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Allow write to return less bytes than we asked for, or zero

Browse Source
This commit is contained in:
Jeremy Lakeman 2014-10-31 13:44:20 +10:30
parent 3a1828ec2a
commit 3b9075344f
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
tfw_createfile.c
View File

@ -114,7 +114,16 @@ int main(int argc, char **argv)
unsigned remain = size - offset - 1;
if (remain > sizeof buf)
remain = sizeof buf;
assert(fwrite(buf, remain, 1, stdout)==remain);
{
size_t off=0;
while(off<remain){
ssize_t wrote = fwrite(buf+off, 1, remain - off, stdout);
if (wrote<0)
fatal("write error: %s [errno=%d]", strerror(errno), errno);
off+=wrote;
}
}
assert(fputc('\n', stdout)!=EOF);
offset += remain + 1;
if (bounce <= n || bounce >= bouncemax)