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Diffstat (limited to 'src/string/strstr.c')
-rw-r--r--src/string/strstr.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/src/string/strstr.c b/src/string/strstr.c
index 55ba1c7b..96657bc2 100644
--- a/src/string/strstr.c
+++ b/src/string/strstr.c
@@ -10,16 +10,16 @@ static char *twobyte_strstr(const unsigned char *h, const unsigned char *n)
static char *threebyte_strstr(const unsigned char *h, const unsigned char *n)
{
- uint32_t nw = n[0]<<24 | n[1]<<16 | n[2]<<8;
- uint32_t hw = h[0]<<24 | h[1]<<16 | h[2]<<8;
+ uint32_t nw = (uint32_t)n[0]<<24 | n[1]<<16 | n[2]<<8;
+ uint32_t hw = (uint32_t)h[0]<<24 | h[1]<<16 | h[2]<<8;
for (h+=2; *h && hw != nw; hw = (hw|*++h)<<8);
return *h ? (char *)h-2 : 0;
}
static char *fourbyte_strstr(const unsigned char *h, const unsigned char *n)
{
- uint32_t nw = n[0]<<24 | n[1]<<16 | n[2]<<8 | n[3];
- uint32_t hw = h[0]<<24 | h[1]<<16 | h[2]<<8 | h[3];
+ uint32_t nw = (uint32_t)n[0]<<24 | n[1]<<16 | n[2]<<8 | n[3];
+ uint32_t hw = (uint32_t)h[0]<<24 | h[1]<<16 | h[2]<<8 | h[3];
for (h+=3; *h && hw != nw; hw = hw<<8 | *++h);
return *h ? (char *)h-3 : 0;
}
@@ -96,7 +96,7 @@ static char *twoway_strstr(const unsigned char *h, const unsigned char *n)
for (;;) {
/* Update incremental end-of-haystack pointer */
if (z-h < l) {
- /* Fast estimate for MIN(l,63) */
+ /* Fast estimate for MAX(l,63) */
size_t grow = l | 63;
const unsigned char *z2 = memchr(z, 0, grow);
if (z2) {