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fix all implicit conversion between signed/unsigned pointers

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sadly the C language does not specify any such implicit conversion, so
this is not a matter of just fixing warnings (as gcc treats it) but
actual errors. i would like to revisit a number of these changes and
possibly revise the types used to reduce the number of casts required.
This commit is contained in:
Rich Felker
2011-03-25 16:34:03 -04:00
parent a37452430f
commit 9ae8d5fc71
19 changed files with 44 additions and 48 deletions
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10
src/string/strstr.c
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@ -109,7 +109,7 @@ static char *twoway_strstr(const unsigned char *h, const unsigned char *n)
if (z-h < l) {
/* Fast estimate for MIN(l,63) */
size_t grow = l | 63;
const char *z2 = memchr(z, 0, grow);
const unsigned char *z2 = memchr(z, 0, grow);
if (z2) {
z = z2;
if (z-h < l) return 0;
@ -156,11 +156,11 @@ char *strstr(const char *h, const char *n)
h = strchr(h, *n);
if (!h || !n[1]) return (char *)h;
if (!h[1]) return 0;
if (!n[2]) return twobyte_strstr(h, n);
if (!n[2]) return twobyte_strstr((void *)h, (void *)n);
if (!h[2]) return 0;
if (!n[3]) return threebyte_strstr(h, n);
if (!n[3]) return threebyte_strstr((void *)h, (void *)n);
if (!h[3]) return 0;
if (!n[4]) return fourbyte_strstr(h, n);
if (!n[4]) return fourbyte_strstr((void *)h, (void *)n);
return twoway_strstr(h, n);
return twoway_strstr((void *)h, (void *)n);
}