Small fix

16 years ago · c1e6aabb0a
parent 705471e4ee
commit c1e6aabb0a
1 changed files with 2 additions and 2 deletions
--- a/src/util-spm-bm.c
+++ b/src/util-spm-bm.c
@ -83,7 +83,7 @@ inline void PreBmGs(const uint8_t *x, int32_t m, int32_t *bmGs) {
    j = 0;

    for (i = m - 1; i >= -1; --i)
-        if (suff[i] == i + 1)
+        if (i == -1 || suff[i] == i + 1)
            for (; j < m - 1 - i; ++j)
                if (bmGs[j] == m)
                    bmGs[j] = m - 1 - i;
@ -154,7 +154,7 @@ inline void PreBmGsNocase(const uint8_t *x, int32_t m, int32_t *bmGs) {
    }
    j = 0;
    for (i = m - 1; i >= 0; --i) {
-        if (suff[i] == i + 1) {
+        if (i == -1 || suff[i] == i + 1) {
            for (; j < m - 1 - i; ++j) {
                if (bmGs[j] == m) {
                    bmGs[j] = m - 1 - i;