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Fix read() on EOF

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This commit is contained in:
avdgrinten 2015-12-20 16:14:17 +01:00
parent d787f06de1
commit a2d45d01c3
1 changed files with 8 additions and 7 deletions
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15
libc/platform/x86_64-managarm/src/file.cpp
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@ -57,9 +57,8 @@ int fstat(int fd, struct stat *result) {
memset(result, 0, sizeof(struct stat));
result->st_size = response.file_size();
return 0;
__ensure(!"fstat() answer");
}else{
__ensure(!"Unexpected error in fstat()!");
__ensure(!"Unexpected error");
__builtin_unreachable();
}
}
@ -91,7 +90,7 @@ int open(const char *path, int flags, ...) {
}else if(response.error() == managarm::posix::Errors::SUCCESS) {
return response.fd();
}else{
__ensure(!"Unexpected error in open()!");
__ensure(!"Unexpected error");
__builtin_unreachable();
}
}
@ -121,11 +120,13 @@ ssize_t read(int fd, void *buffer, size_t size){
if(response.error() == managarm::posix::Errors::NO_SUCH_FD) {
errno = EBADF;
return -1;
}else if(response.error() == managarm::posix::Errors::END_OF_FILE) {
return 0;
}else if(response.error() == managarm::posix::Errors::SUCCESS) {
memcpy(buffer, response.buffer().data(), response.buffer().size());
return response.buffer().size();
}else{
__ensure(!"Unexpected error in write()!");
__ensure(!"Unexpected error");
__builtin_unreachable();
}
};
@ -159,7 +160,7 @@ ssize_t write(int fd, const void *buffer, size_t size) {
}else if(response.error() == managarm::posix::Errors::SUCCESS) {
return size;
}else{
__ensure(!"Unexpected error in write()!");
__ensure(!"Unexpected error");
__builtin_unreachable();
}
}
@ -189,7 +190,7 @@ int close(int fd) {
}else if(response.error() == managarm::posix::Errors::SUCCESS) {
return 0;
}else{
__ensure(!"Unexpected error in close()!");
__ensure(!"Unexpected error");
__builtin_unreachable();
}
}
@ -220,7 +221,7 @@ int dup2(int src_fd, int dest_fd) {
errno = EBADF;
return -1;
}else {
__ensure(!"Unexpected error in dup2()!");
__ensure(!"Unexpected error");
__builtin_unreachable();
}
}