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avoid GCC warning about potential longjmp clobbers

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This commit is contained in:
Sven M. Hallberg 2015-11-14 23:26:04 +01:00
parent 6aa7db833e
commit 5b3cb46c96
1 changed files with 6 additions and 5 deletions
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11
src/backends/regex.c
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@ -52,20 +52,21 @@ HRVMTrace *invert_trace(HRVMTrace *trace) {
void* h_rvm_run__m(HAllocator *mm__, HRVMProg *prog, const uint8_t* input, size_t len) {
HArena *arena = h_new_arena(mm__, 0);
HSArray *heads_n = h_sarray_new(mm__, prog->length), // Both of these contain HRVMTrace*'s
*heads_p = h_sarray_new(mm__, prog->length);
HSArray *heads_a = h_sarray_new(mm__, prog->length), // Both of these contain HRVMTrace*'s
*heads_b = h_sarray_new(mm__, prog->length);
HRVMTrace *ret_trace = NULL;
HParseResult *ret = NULL;
// out of memory handling
if(!arena || !heads_n || !heads_p)
if(!arena || !heads_a || !heads_b)
goto end;
jmp_buf except;
h_arena_set_except(arena, &except);
if(setjmp(except))
goto end;
HSArray *heads_n = heads_a, *heads_p = heads_b;
uint8_t *insn_seen = a_new(uint8_t, prog->length); // 0 -> not seen, 1->processed, 2->queued
HRVMThread *ip_queue = a_new(HRVMThread, prog->length);
size_t ipq_top;
@ -184,8 +185,8 @@ void* h_rvm_run__m(HAllocator *mm__, HRVMProg *prog, const uint8_t* input, size_
end:
if (arena) h_delete_arena(arena);
if (heads_n) h_sarray_free(heads_n);
if (heads_p) h_sarray_free(heads_p);
if (heads_a) h_sarray_free(heads_a);
if (heads_b) h_sarray_free(heads_b);
return ret;
}
#undef PUSH_SVM