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(search_buffer): Avoid boolean/integer mixing that confuses some compilers.

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Karl Heuer 1994-03-14 21:44:12 +00:00
parent 484ab76a03
commit b2c71fb43c
1 changed files with 4 additions and 1 deletions
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5
src/search.c
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@ -822,7 +822,10 @@ search_buffer (string, pos, lim, n, RE, trt, inverse_trt)
of pattern would align in a possible match. */
while (n != 0)
{
if ((lim - pos - (direction > 0)) * direction < 0)
/* It's been reported that some (broken) compiler thinks that
Boolean expressions in an arithmetic context are unsigned.
Using an explicit ?1:0 prevents this. */
if ((lim - pos - ((direction > 0) ? 1 : 0)) * direction < 0)
return (n * (0 - direction));
/* First we do the part we can by pointers (maybe nothing) */
QUIT;