emscripten-core/emscripten

fread returns garbage when pipe is closed

Open

#13.645 aperta il 12 mar 2021

Vedi su GitHub
 (3 commenti) (0 reazioni) (0 assegnatari)C++ (3519 fork)batch import
help wantedwontfix

Metriche repository

Star
 (27.361 star)
Metriche merge PR
 (Merge medio 19g 10h) (147 PR mergiate in 30 g)

Descrizione

On Windows, when content provided on the stdin pipe is read and pipe is closed, the following code throws with errno equal to undefined and fread keeps returning data instead of indicating EOF.

https://github.com/emscripten-core/emscripten/blob/0589ed2211831fe74c5b340de544b3d5d9fe5388/src/library_syscall.js#L150

ErrnoError
    at Object.ensureErrnoError (C:\***\a.out.js:11068:35)
    at Object.staticInit (C:\***\a.out.js:11076:12)
    at Object.<anonymous> (C:\***\a.out.js:12037:6)
    at Module._compile (internal/modules/cjs/loader.js:999:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)
    at Module.load (internal/modules/cjs/loader.js:863:32)
    at Function.Module._load (internal/modules/cjs/loader.js:708:14)
    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:60:12)
    at internal/main/run_main_module.js:17:47 {
  node: undefined,
  setErrno: [Function],
  errno: undefined,
  message: 'FS error'

Guida contributor