diff options
| -rw-r--r-- | lib/quotearg.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/quotearg.c b/lib/quotearg.c index 9d4395659..5e7e01184 100644 --- a/lib/quotearg.c +++ b/lib/quotearg.c @@ -443,6 +443,8 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize, do { wchar_t w; + /* Be careful not to let mbrtowc change errno. */ + int saved_errno = errno; size_t bytes = mbrtowc (&w, &arg[i + m], argsize - (i + m), &mbstate); if (bytes == 0) @@ -450,6 +452,8 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize, else if (bytes == (size_t) -1) { printable = 0; + /* Restore previous errno value. */ + errno = saved_errno; break; } else if (bytes == (size_t) -2) |