diff options
Diffstat (limited to 'src/setjmp/setjmp.c')
| -rw-r--r-- | src/setjmp/setjmp.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/setjmp/setjmp.c b/src/setjmp/setjmp.c index a297dd6f..a098997e 100644 --- a/src/setjmp/setjmp.c +++ b/src/setjmp/setjmp.c @@ -1,16 +1,13 @@ #include <setjmp.h> +#include "string.h" /** save program state **/ int setjmp(jmp_buf env) { - (void)env; - /* extern int setjmp(jmp_buf); */ - /* - RETURN(0, the environment has been saved by THIS()) - RETURN(NONZERO, the environment has been restored by FUNCTION(longjmp)) - */ - return 0; /* setjmp(env); */ + extern int __setjmp(jmp_buf); + memset(env, 0, sizeof(jmp_buf)); + return __setjmp(env); } /*** @@ -19,6 +16,9 @@ in the TYPEDEF(jmp_buf) ARGUMENT(env). ***/ /* +RETURN(0, the environment has been saved by THIS()) +RETURN(NONZERO, the environment has been restored by FUNCTION(longjmp)) + CONSTRAINT: entire controlling expression of a selection or iteration statement CONSTRAINT: one operand of a relational or equality operator which is the entire controlling expression of a selction or iteration statement CONSTRAINT: the operand of a unary ! as the entire controlling expression of a selection or iteration statement |