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authorDimitri Staessens <dimitri@ouroboros.rocks>2020-03-14 17:52:06 +0100
committerSander Vrijders <sander@ouroboros.rocks>2020-03-15 14:30:58 +0100
commit51d8f69fb152ae5a47151c2f132fd4263ec3d144 (patch)
tree67ef7b137bc00fdbb93774aa8ccbbbb39975ace0 /src/lib
parentb977090a7692acada4b81677e88c5a5e60a153c3 (diff)
downloadouroboros-51d8f69fb152ae5a47151c2f132fd4263ec3d144.tar.gz
ouroboros-51d8f69fb152ae5a47151c2f132fd4263ec3d144.zip
lib: Return number of written bytes on flow_write0.17.0
This is more in line with the write() system call and prepares for partial writes. Partial writes are disabled by default (and not yet implemented). Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
Diffstat (limited to 'src/lib')
-rw-r--r--src/lib/dev.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/src/lib/dev.c b/src/lib/dev.c
index 8647bea9..80d7e9ad 100644
--- a/src/lib/dev.c
+++ b/src/lib/dev.c
@@ -1007,6 +1007,7 @@ ssize_t flow_write(int fd,
if ((flags & FLOWFACCMODE) == FLOWFRDONLY)
return -EPERM;
+ /* TODO: partial writes. */
if (flags & FLOWFWNOBLOCK)
idx = shm_rdrbuff_alloc(ai.rdrb,
count,
@@ -1056,9 +1057,7 @@ ssize_t flow_write(int fd,
pthread_rwlock_unlock(&ai.lock);
- assert(ret <= 0);
-
- return ret;
+ return ret < 0 ? (ssize_t) ret : (ssize_t) count;
}
ssize_t flow_read(int fd,