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34 lines
684 B
C
34 lines
684 B
C
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#include <setjmp.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include "tpl.h"
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jmp_buf env;
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extern tpl_hook_t tpl_hook;
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int catch_oops(const char *fmt, ...) {
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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longjmp(env,-1); /* return to setjmp point */
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return 0; /* not reached */
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}
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int main() {
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int err;
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tpl_node *tn;
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tpl_hook.oops = catch_oops; /* install fatal handler */
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err = setjmp(env); /* on error, control will return here */
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if (err) {
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printf("caught error!\n");
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return -1;
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}
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tn = tpl_map("@"); /* generate a fatal error */
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printf("program ending, without error\n");
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return 0;
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}
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