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#include "fitz-base.h"
fz_error *
fz_keeperror(fz_error *eo)
{
eo->refs++;
return eo;
}
void
fz_droperror(fz_error *eo)
{
if (eo->refs > 0)
eo->refs--;
if (eo->refs == 0)
{
if (eo->cause)
fz_droperror(eo->cause);
fz_free(eo);
}
}
void
fz_printerror(fz_error *eo)
{
#if 1
if (eo->cause)
{
fz_printerror(eo->cause);
fprintf(stderr, "| %s:%d: %s(): %s\n", eo->file, eo->line, eo->func, eo->msg);
}
else
{
fprintf(stderr, "+ %s:%d: %s(): %s\n", eo->file, eo->line, eo->func, eo->msg);
}
#else
fprintf(stderr, "+ %s:%d: %s(): %s\n", eo->file, eo->line, eo->func, eo->msg);
eo = eo->cause;
while (eo)
{
fprintf(stderr, "| %s:%d: %s(): %s\n", eo->file, eo->line, eo->func, eo->msg);
eo = eo->cause;
}
#endif
}
void
fz_warn(char *fmt, ...)
{
va_list ap;
fprintf(stderr, "warning: ");
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
}
fz_error *
fz_throwimp(fz_error *cause, const char *func, const char *file, int line, char *fmt, ...)
{
va_list ap;
fz_error *eo;
eo = fz_malloc(sizeof(fz_error));
if (!eo)
return fz_outofmem; /* oops. we're *really* out of memory here. */
eo->refs = 1;
va_start(ap, fmt);
vsnprintf(eo->msg, sizeof eo->msg, fmt, ap);
eo->msg[sizeof(eo->msg) - 1] = '\0';
va_end(ap);
strlcpy(eo->func, func, sizeof eo->func);
strlcpy(eo->file, file, sizeof eo->file);
eo->line = line;
if (cause)
eo->cause = fz_keeperror(cause);
else
eo->cause = nil;
return eo;
}
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