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author | Mattias Andrée <maandree@kth.se> | 2018-11-19 21:39:11 +0100 |
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committer | Mattias Andrée <maandree@kth.se> | 2018-11-19 21:39:11 +0100 |
commit | e8a7e1c358caec60751460d337f634ff6957ff9d (patch) | |
tree | b0fe92173edbf210d2890ecd35141cc39decf8dc /rawmemelem_inv.c | |
parent | Add memelemscan (diff) | |
download | libsimple-e8a7e1c358caec60751460d337f634ff6957ff9d.tar.gz libsimple-e8a7e1c358caec60751460d337f634ff6957ff9d.tar.bz2 libsimple-e8a7e1c358caec60751460d337f634ff6957ff9d.tar.xz |
Add a bunch of function and macros
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'rawmemelem_inv.c')
-rw-r--r-- | rawmemelem_inv.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/rawmemelem_inv.c b/rawmemelem_inv.c new file mode 100644 index 0000000..aeb20d2 --- /dev/null +++ b/rawmemelem_inv.c @@ -0,0 +1,58 @@ +/* See LICENSE file for copyright and license details. */ +#include "libsimple.h" +#ifndef TEST + + +void * +libsimple_rawmemelem_inv(const void *hay_, const void *sub_, size_t subn) /* TODO test, man */ +{ + switch (subn) { + case 0: + abort(); + case 1: + return rawmemchr_inv(hay_, *(char *)sub_); + case 2: + { + uint16_t *hay = (void *)hay_; + uint16_t sub = *(uint16_t *)sub_; + for (; *hay == sub; hay++); + return hay; + } + case 4: + { + uint32_t *hay = (void *)hay_; + uint32_t sub = *(uint32_t *)sub_; + for (; *hay == sub; hay++); + return hay; + } + case 8: + { + uint64_t *hay = (void *)hay_; + uint64_t sub = *(uint64_t *)sub_; + for (; *hay == sub; hay++); + return hay; + } + default: + { + char *hay = (void *)hay_; + const char *sub = sub_; + size_t i; + for (;; hay += subn) + for (i = 0; i < subn; i++) + if (hay[i] != sub[i]) + return hay; + } + } +} + + +#else +#include "test.h" + +int +main(void) +{ + return 0; +} + +#endif |