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validate struct layout

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dcode
2019-03-27 23:23:53 +01:00
parent 96dc211c5d
commit a067982c30
4 changed files with 562 additions and 13 deletions
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22
std/assembly/bindings/wasi_unstable.ts
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@ -143,13 +143,14 @@ export type dircookie_t = u64;
/** A directory entry. */
@unmanaged export class dirent {
/** The offset of the next directory entry stored in this directory. */
next: dircookie_t;
next: dircookie_t; // 0
/** The serial number of the file referred to by this directory entry. */
ino: inode_t;
ino: inode_t; // 8
/** The length of the name of the directory entry. */
namlen: u32;
namlen: u32; // 16
/** The type of the file referred to by this directory entry. */
type: filetype_t;
private __padding0: u16;
}
/** Error codes returned by functions. */
@ -312,16 +313,23 @@ export const enum errno {
export type errno_t = u16;
/** An event that occurred. */
@unmanaged export class event {
@unmanaged export abstract class event {
/** User-provided value that got attached to `subscription#userdata`. */
userdata: userdata_t;
/** If non-zero, an error that occurred while processing the subscription request. */
error: errno_t;
/* The type of the event that occurred. */
type: eventtype_t;
private __padding0: u16;
}
/** An event that occurred when type is `eventtype.FD_READ` or `eventtype.FD_WRITE`. */
@unmanaged export class rwevent extends event {
/* The number of bytes available for reading or writing. */
nbytes: filesize_t;
/* The state of the file descriptor. */
flags: eventrwflags_t;
private __padding1: u32;
}
/** The state of the file descriptor subscribed to with `eventtype.FD_READ` or `eventtype.FD_WRITE`. */
@ -632,11 +640,12 @@ export const enum subclockflags {
export type subclockflags_t = u16;
/** Subscription to an event. */
@unmanaged export class subscription {
@unmanaged export abstract class subscription {
/** User-provided value that is attached to the subscription. */
userdata: userdata_t;
/** The type of the event to which to subscribe. */
type: eventtype_t;
private __padding0: u32;
}
/* Subscription to an event of type `eventtype.CLOCK`.**/
@ -651,12 +660,13 @@ export type subclockflags_t = u16;
precision: timestamp_t;
/** Flags specifying whether the timeout is absolute or relative. */
flags: subclockflags_t;
private __padding1: u32;
}
/* Subscription to an event of type `eventtype.FD_READ` or `eventtype.FD_WRITE`.**/
@unmanaged export class fdsubscription extends subscription {
/** The file descriptor on which to wait for it to become ready for reading or writing. */
fd_readwrite: fd_t;
fd: fd_t;
}
/** Timestamp in nanoseconds. */