gnh1201/wasm-micro-runtime
1
0
Fork 0
mirror of https://github.com/bytecodealliance/wasm-micro-runtime.git synced 2025-09-05 17:32:26 +00:00
Code Issues Actions 4 Packages Projects Releases Wiki Activity

fix: cast file descriptor to size_t for comparison in fd_prestats functions (#4582)

Browse Source 
```
comparison of integer expressions of different signedness:
  ‘__wasi_fd_t’ {aka ‘int’} and ‘size_t’ {aka ‘long unsigned int’}
  [-Werror=sign-compare]
  288 |     if (fd >= pt->size)
```
This commit is contained in:
liang.he 2025-08-27 07:15:08 +08:00 committed by GitHub
parent 0b97d0cb14
commit 9cb1cc4af6
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
core/iwasm/libraries/libc-wasi/sandboxed-system-primitives/src/posix.c
View File

@ -285,7 +285,7 @@ fd_prestats_get_entry(struct fd_prestats *pt, __wasi_fd_t fd,
struct fd_prestat **ret) REQUIRES_SHARED(pt->lock) struct fd_prestat **ret) REQUIRES_SHARED(pt->lock)
{ {
// Test for file descriptor existence. // Test for file descriptor existence.
if (fd >= pt->size) if ((size_t)fd >= pt->size)
return __WASI_EBADF; return __WASI_EBADF;
struct fd_prestat *prestat = &pt->prestats[fd]; struct fd_prestat *prestat = &pt->prestats[fd];
if (prestat->dir == NULL) if (prestat->dir == NULL)
@ -301,7 +301,7 @@ static __wasi_errno_t
fd_prestats_remove_entry(struct fd_prestats *pt, __wasi_fd_t fd) fd_prestats_remove_entry(struct fd_prestats *pt, __wasi_fd_t fd)
{ {
// Test for file descriptor existence. // Test for file descriptor existence.
if (fd >= pt->size) if ((size_t)fd >= pt->size)
return __WASI_EBADF; return __WASI_EBADF;
struct fd_prestat *prestat = &pt->prestats[fd]; struct fd_prestat *prestat = &pt->prestats[fd];
@ -356,7 +356,7 @@ fd_table_get_entry(struct fd_table *ft, __wasi_fd_t fd,
REQUIRES_SHARED(ft->lock) REQUIRES_SHARED(ft->lock)
{ {
// Test for file descriptor existence. // Test for file descriptor existence.
if (fd >= ft->size) { if ((size_t)fd >= ft->size) {
return __WASI_EBADF; return __WASI_EBADF;
} }