longjmp() should return 1 if 0 is passed as return value (0 should only be returned by setjmp)

svn path=/trunk/; revision=16004
2026-09-02 04:13:34 +00:00 · 2005-06-17 17:33:47 +00:00
parent 402b13b071
commit 3ab6c437cc
1 changed files with 4 additions and 0 deletions
@@ -75,6 +75,10 @@ _longjmp:
    movl JMPBUF(%esp), %ecx   /* User's jmp_buf in %ecx.  */

    movl VAL(%esp), %eax      /* Second argument is return value.  */
+    testl %eax, %eax
+    jnz 0f
+    incl %eax
+0:
    /* Save the return address now.  */
    movl (JB_PC*4)(%ecx), %edx
    /* Restore registers.  */