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repo/extra/lvm2/patches/fix-stdio-usage.patch
2019-09-04 08:44:30 +03:00

73 lines
2.0 KiB
Diff

--- ./tools/lvmcmdline.c
+++ ./tools/lvmcmdline.c
@@ -1252,7 +1252,7 @@
int err = is_valid_fd(STDERR_FILENO);
if (!is_valid_fd(STDIN_FILENO) &&
- !(stdin = fopen(_PATH_DEVNULL, "r"))) {
+ !freopen(_PATH_DEVNULL, "r", stdin)) {
if (err)
perror("stdin stream open");
else
@@ -1262,7 +1262,7 @@
}
if (!is_valid_fd(STDOUT_FILENO) &&
- !(stdout = fopen(_PATH_DEVNULL, "w"))) {
+ !freopen(_PATH_DEVNULL, "w", stdout)) {
if (err)
perror("stdout stream open");
/* else no stdout */
@@ -1270,7 +1270,7 @@
}
if (!is_valid_fd(STDERR_FILENO) &&
- !(stderr = fopen(_PATH_DEVNULL, "w"))) {
+ !freopen(_PATH_DEVNULL, "w", stderr)) {
printf("stderr stream open: %s\n",
strerror(errno));
return 0;
--- a/lib/commands/toolcontext.c
+++ b/lib/commands/toolcontext.c
@@ -1649,7 +1649,7 @@ struct cmd_context *create_toolcontext(unsigned is_clvmd,
/* FIXME Make this configurable? */
reset_lvm_errno(1);
-#ifndef VALGRIND_POOL
+#if defined(__GLIBC__) && !defined(VALGRIND_POOL)
/* Set in/out stream buffering before glibc */
if (set_buffering
#ifdef SYS_gettid
@@ -2031,7 +2031,7 @@ void destroy_toolcontext(struct cmd_context *cmd)
if (cmd->libmem)
dm_pool_destroy(cmd->libmem);
-#ifndef VALGRIND_POOL
+#if defined(__GLIBC__) && !defined(VALGRIND_POOL)
if (cmd->linebuffer) {
/* Reset stream buffering to defaults */
if (is_valid_fd(STDIN_FILENO) &&
--- a/tools/lvmcmdline.c
+++ b/tools/lvmcmdline.c
@@ -3055,6 +3055,7 @@ int lvm_split(char *str, int *argc, char **argv, int max)
/* Make sure we have always valid filedescriptors 0,1,2 */
static int _check_standard_fds(void)
{
+#ifdef __GLIBC__
int err = is_valid_fd(STDERR_FILENO);
if (!is_valid_fd(STDIN_FILENO) &&
@@ -3081,6 +3082,12 @@ static int _check_standard_fds(void)
strerror(errno));
return 0;
}
+#else
+ if (!is_valid_fd(STDERR_FILENO) ||
+ !is_valid_fd(STDOUT_FILENO) ||
+ !is_valid_fd(STDIN_FILENO))
+ return 0;
+#endif
return 1;
}