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authorMattias Andrée <maandree@kth.se>2018-11-25 14:17:49 +0100
committerMattias Andrée <maandree@kth.se>2018-11-25 14:17:49 +0100
commite2dc7cf9c966d4c94b7556c1c2ada8d170715654 (patch)
tree78733ab53fb0e1d185773d23f0f5ccd373be2bc1 /memelemscan.c
parentAdd man pages (diff)
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Fix consistence in memelem functions
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'memelemscan.c')
-rw-r--r--memelemscan.c68
1 files changed, 34 insertions, 34 deletions
diff --git a/memelemscan.c b/memelemscan.c
index e713d54..d17297a 100644
--- a/memelemscan.c
+++ b/memelemscan.c
@@ -4,32 +4,32 @@
void *
-libsimple_memelemscan(const void *hay_, size_t hayn, const void *sub_, size_t subn)
+libsimple_memelemscan(const void *hay_, const void *sub_, size_t width, size_t n)
{
- switch (subn) {
+ switch (width) {
case 0:
return (void *)hay_;
case 1:
- return libsimple_memscan(hay_, *(char *)sub_, hayn);
+ return libsimple_memscan(hay_, *(char *)sub_, n);
case 2:
{
uint16_t *hay = (void *)hay_;
uint16_t sub = *(uint16_t *)sub_;
- for (; hayn-- && *hay != sub; hay++);
+ for (; n-- && *hay != sub; hay++);
return hay;
}
case 4:
{
uint32_t *hay = (void *)hay_;
uint32_t sub = *(uint32_t *)sub_;
- for (; hayn-- && *hay != sub; hay++);
+ for (; n-- && *hay != sub; hay++);
return hay;
}
case 8:
{
uint64_t *hay = (void *)hay_;
uint64_t sub = *(uint64_t *)sub_;
- for (; hayn-- && *hay != sub; hay++);
+ for (; n-- && *hay != sub; hay++);
return hay;
}
default:
@@ -37,8 +37,8 @@ libsimple_memelemscan(const void *hay_, size_t hayn, const void *sub_, size_t su
char *hay = (void *)hay_;
const char *sub = sub_;
size_t i;
- for (; hayn--; hay += subn) {
- for (i = 0; i < subn; i++)
+ for (; n--; hay += width) {
+ for (i = 0; i < width; i++)
if (hay[i] != sub[i])
goto next;
return hay;
@@ -56,39 +56,39 @@ libsimple_memelemscan(const void *hay_, size_t hayn, const void *sub_, size_t su
int
main(void)
{
- assert(!strcmpnul(libsimple_memelemscan("12345634", 8, "", 0), "12345634"));
- assert(!strcmpnul(libsimple_memelemscan("12345634", 0, "", 0), "12345634"));
+ assert(!strcmpnul(libsimple_memelemscan("12345634", "", 0, 8), "12345634"));
+ assert(!strcmpnul(libsimple_memelemscan("12345634", "", 0, 0), "12345634"));
- assert(!strcmpnul(libsimple_memelemscan("12345634", 8, "3", 1), "345634"));
- assert(!strcmpnul(libsimple_memelemscan("12345634", 8, "x", 1), ""));
- assert(!strcmpnul(libsimple_memelemscan("13456342", 8, "3", 1), "3456342"));
- assert(!strcmpnul(libsimple_memelemscan("12345634", 0, "3", 1), "12345634"));
+ assert(!strcmpnul(libsimple_memelemscan("12345634", "3", 1, 8), "345634"));
+ assert(!strcmpnul(libsimple_memelemscan("12345634", "x", 1, 8), ""));
+ assert(!strcmpnul(libsimple_memelemscan("13456342", "3", 1, 8), "3456342"));
+ assert(!strcmpnul(libsimple_memelemscan("12345634", "3", 1, 0), "12345634"));
- assert(!strcmpnul(libsimple_memelemscan("12345634", 4, "34", 2), "345634"));
- assert(!strcmpnul(libsimple_memelemscan("12345634z", 4, "xx", 2), "z"));
- assert(!strcmpnul(libsimple_memelemscan("13456342z", 4, "34", 2), "z"));
- assert(!strcmpnul(libsimple_memelemscan("12345634z", 0, "34", 2), "12345634z"));
+ assert(!strcmpnul(libsimple_memelemscan("12345634", "34", 2, 4), "345634"));
+ assert(!strcmpnul(libsimple_memelemscan("12345634z", "xx", 2, 4), "z"));
+ assert(!strcmpnul(libsimple_memelemscan("13456342z", "34", 2, 4), "z"));
+ assert(!strcmpnul(libsimple_memelemscan("12345634z", "34", 2, 0), "12345634z"));
- assert(!strcmpnul(libsimple_memelemscan("abcd1234abcd1234", 4, "1234", 4), "1234abcd1234"));
- assert(!strcmpnul(libsimple_memelemscan("abcd1234abcd1234z", 4, "zzzz", 4), "z"));
- assert(!strcmpnul(libsimple_memelemscan("cd1234abcd1234abz", 4, "1234", 4), "z"));
- assert(!strcmpnul(libsimple_memelemscan("abcd1234abcd1234z", 0, "1234", 4), "abcd1234abcd1234z"));
+ assert(!strcmpnul(libsimple_memelemscan("abcd1234abcd1234", "1234", 4, 4), "1234abcd1234"));
+ assert(!strcmpnul(libsimple_memelemscan("abcd1234abcd1234z", "zzzz", 4, 4), "z"));
+ assert(!strcmpnul(libsimple_memelemscan("cd1234abcd1234abz", "1234", 4, 4), "z"));
+ assert(!strcmpnul(libsimple_memelemscan("abcd1234abcd1234z", "1234", 4, 0), "abcd1234abcd1234z"));
- assert(!strcmpnul(libsimple_memelemscan("abcdefgh12345678abcdefgh12345678", 4, "12345678", 8), "12345678abcdefgh12345678"));
- assert(!strcmpnul(libsimple_memelemscan("abcdefgh12345678abcdefgh12345678z", 4, "zzzzzzzz", 8), "z"));
- assert(!strcmpnul(libsimple_memelemscan("efgh12345678abcdefgh12345678abcdz", 4, "12345678", 8), "z"));
- assert(!strcmpnul(libsimple_memelemscan("abcdefgh12345678abcdefgh12345678z", 0, "12345678", 8),
+ assert(!strcmpnul(libsimple_memelemscan("abcdefgh12345678abcdefgh12345678", "12345678", 8, 4), "12345678abcdefgh12345678"));
+ assert(!strcmpnul(libsimple_memelemscan("abcdefgh12345678abcdefgh12345678z", "zzzzzzzz", 8, 4), "z"));
+ assert(!strcmpnul(libsimple_memelemscan("efgh12345678abcdefgh12345678abcdz", "12345678", 8, 4), "z"));
+ assert(!strcmpnul(libsimple_memelemscan("abcdefgh12345678abcdefgh12345678z", "12345678", 8, 0),
"abcdefgh12345678abcdefgh12345678z"));
- assert(!strcmpnul(libsimple_memelemscan("abc123abc123", 4, "123", 3), "123abc123"));
- assert(!strcmpnul(libsimple_memelemscan("abc123abc123z", 4, "zzz", 3), "z"));
- assert(!strcmpnul(libsimple_memelemscan("bc123abc123az", 4, "123", 3), "z"));
- assert(!strcmpnul(libsimple_memelemscan("abc123abc123z", 0, "123", 3), "abc123abc123z"));
+ assert(!strcmpnul(libsimple_memelemscan("abc123abc123", "123", 3, 4), "123abc123"));
+ assert(!strcmpnul(libsimple_memelemscan("abc123abc123z", "zzz", 3, 4), "z"));
+ assert(!strcmpnul(libsimple_memelemscan("bc123abc123az", "123", 3, 4), "z"));
+ assert(!strcmpnul(libsimple_memelemscan("abc123abc123z", "123", 3, 0), "abc123abc123z"));
- assert(!strcmpnul(libsimple_memelemscan("-a-aa--a", 4, "a-", 2), "a--a"));
- assert(!strcmpnul(libsimple_memelemscan("--a--aa----a", 4, "a--", 3), "a----a"));
- assert(!strcmpnul(libsimple_memelemscan("---a---aa------a", 4, "a---", 4), "a------a"));
- assert(!strcmpnul(libsimple_memelemscan("-------a-------aa--------------a", 4, "a-------", 8), "a--------------a"));
+ assert(!strcmpnul(libsimple_memelemscan("-a-aa--a", "a-", 2, 4), "a--a"));
+ assert(!strcmpnul(libsimple_memelemscan("--a--aa----a", "a--", 3, 4), "a----a"));
+ assert(!strcmpnul(libsimple_memelemscan("---a---aa------a", "a---", 4, 4), "a------a"));
+ assert(!strcmpnul(libsimple_memelemscan("-------a-------aa--------------a", "a-------", 8, 4), "a--------------a"));
return 0;
}