fgets: avoid arithmetic overflow when n==INT_MIN is passed

[musl] / include / signal.h

diff --git a/include/signal.h b/include/signal.h
index f270a59..c347f86 100644 (file)
--- a/include/signal.h
+++ b/include/signal.h
@@ -178,6 +178,9 @@ struct sigaction {
 #define sa_handler   __sa_handler.sa_handler
 #define sa_sigaction __sa_handler.sa_sigaction
 
+#define SA_UNSUPPORTED 0x00000400
+#define SA_EXPOSE_TAGBITS 0x00000800
+
 struct sigevent {
        union sigval sigev_value;
        int sigev_signo;
@@ -261,6 +264,9 @@ void (*sigset(int, void (*)(int)))(int);
 #if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
 #define NSIG _NSIG
 typedef void (*sig_t)(int);
+
+#define SYS_SECCOMP 1
+#define SYS_USER_DISPATCH 2
 #endif
 
 #ifdef _GNU_SOURCE