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libreboot-utils: unified errno handling on returns

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Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-28 08:32:27 +00:00
parent 49cac232d8
commit 4ecdadb7a6
5 changed files with 34 additions and 72 deletions
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util/libreboot-utils/lib/file.c
+7 -29
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@@ -62,11 +62,7 @@ same_file(int fd, struct stat *st_old,
return 0;
err_same_file:
if (errno == saved_errno)
errno = ESTALE;
return -1;
return set_errno(saved_errno, ESTALE);
}
void
@@ -155,13 +151,11 @@ fsync_dir(const char *path)
err_fsync_dir:
if (errno == saved_errno)
errno = EIO;
free_and_set_null(&dirbuf);
close_on_eintr(&dirfd);
return -1;
return set_errno(saved_errno, EIO);
}
/* rw_file_exact() - Read perfectly or die
@@ -264,10 +258,7 @@ rw_file_exact(int fd, unsigned char *mem, size_t nrw,
err_rw_file_exact:
if (errno == saved_errno)
errno = EIO;
return -1;
return set_errno(saved_errno, EIO);
}
/* prw() - portable read-write with more
@@ -446,11 +437,7 @@ real_pread_pwrite:
#endif
err_prw:
if (errno == saved_errno)
errno = EIO;
return -1;
return set_errno(saved_errno, EIO);
}
int
@@ -472,10 +459,7 @@ io_args(int fd, void *mem, size_t nrw,
return 0;
err_io_args:
if (errno == saved_errno)
errno = EINVAL;
return -1;
return set_errno(saved_errno, EINVAL);
}
int
@@ -493,10 +477,7 @@ check_file(int fd, struct stat *st)
return 0;
err_is_file:
if (errno == saved_errno)
errno = EINVAL;
return -1;
return set_errno(saved_errno, EINVAL);
}
/* POSIX can say whatever it wants.
@@ -518,10 +499,7 @@ rw_over_nrw(ssize_t r, size_t nrw)
return r;
err_rw_over_nrw:
if (errno == saved_errno)
errno = EIO;
return -1;
return set_errno(saved_errno, EIO);
}
off_t