50 lines
916 B
C
50 lines
916 B
C
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#include "error.h"
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#include <stdlib.h>
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#include <stdarg.h>
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int note_error_(struct errors *errs_, const char *fmt, ...)
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{
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static char buf[512];
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struct error err;
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struct cursor *errs;
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va_list ap;
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errs = &errs_->cur;
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if (errs_->enabled == 0)
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return 0;
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va_start(ap, fmt);
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vsprintf(buf, fmt, ap);
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va_end(ap);
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err.msg = buf;
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if (!cursor_push_error(errs, &err)) {
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fprintf(stderr, "arena OOM when recording error, ");
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fprintf(stderr, "errs->p at %ld, remaining %ld, strlen %ld\n",
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errs->p - errs->start, errs->end - errs->p, strlen(buf));
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}
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return 0;
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}
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void print_error_backtrace(struct errors *errors)
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{
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struct cursor errs;
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struct error err;
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copy_cursor(&errors->cur, &errs);
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errs.p = errs.start;
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while (errs.p < errors->cur.p) {
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if (!cursor_pull_error(&errs, &err)) {
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fprintf(stderr, "backtrace: couldn't pull error\n");
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return;
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}
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fprintf(stderr, "%s\n", err.msg);
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}
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}
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