save errno to avoid issues with it being overwritten

This commit is contained in:
taiyu 2018-03-27 02:59:41 -07:00
parent 45f14fcb24
commit 97ad9ab984

View file

@ -127,6 +127,7 @@ void _sway_abort(const char *filename, int line, const char* format, ...) {
}
void sway_log_errno(log_importance_t verbosity, char* format, ...) {
int errsv = errno;
if (verbosity <= v) {
unsigned int c = verbosity;
if (c > sizeof(verbosity_colors) / sizeof(char *) - 1) {
@ -145,7 +146,7 @@ void sway_log_errno(log_importance_t verbosity, char* format, ...) {
va_end(args);
fprintf(stderr, ": ");
fprintf(stderr, "%s", strerror(errno));
fprintf(stderr, "%s", strerror(errsv));
if (colored && isatty(STDERR_FILENO)) {
fprintf(stderr, "\x1B[0m");