diff options
Diffstat (limited to 'lib/libpammap.c')
| -rw-r--r-- | lib/libpammap.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/lib/libpammap.c b/lib/libpammap.c index 9e90ade0..98c7f798 100644 --- a/lib/libpammap.c +++ b/lib/libpammap.c @@ -24,12 +24,13 @@ #define HASH_SIZE 20023 unsigned int -pnm_hashtuple(struct pam * const pamP, tuple const tuple) { +pnm_hashtuple(struct pam * const pamP, + tuple const tuple) { /*---------------------------------------------------------------------------- Return the hash value of the tuple 'tuple' -- i.e. an index into a hash table. -----------------------------------------------------------------------------*/ - int i; + unsigned int i; unsigned int hash; const unsigned int hash_factor[] = {33023, 30013, 27011}; @@ -281,7 +282,7 @@ computehashrecoverable(struct pam * const pamP, tuple values. */ for (row = 0; row < pamP->height && !full; ++row) { - int col; + unsigned int col; const tuple * tuplerow; /* The row of tuples we are processing */ if (tupleArray) @@ -354,19 +355,20 @@ computetuplefreqhash(struct pam * const pamP, rowbuffer = NULL; color = NULL; - if (setjmp(jmpbuf) == 0) { - pm_setjmpbufsave(&jmpbuf, &origJmpbufP); - computehashrecoverable(pamP, tupleArray, maxsize, newMaxval, sizeP, - &tuplefreqhash, &rowbuffer, &color); - pm_setjmpbuf(origJmpbufP); - } else { + if (setjmp(jmpbuf) != 0) { if (color) pnm_freepamtuple(color); if (rowbuffer) pnm_freepamrow(rowbuffer); if (tuplefreqhash) pnm_destroytuplehash(tuplefreqhash); + pm_setjmpbuf(origJmpbufP); pm_longjmp(); + } else { + pm_setjmpbufsave(&jmpbuf, &origJmpbufP); + computehashrecoverable(pamP, tupleArray, maxsize, newMaxval, sizeP, + &tuplefreqhash, &rowbuffer, &color); + pm_setjmpbuf(origJmpbufP); } return tuplefreqhash; } |