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author2023-05-07 10:44:11 +0530
committer2023-05-07 10:44:11 +0530
commit97a91843ffac0bb3aa42540c6e5d3ddea75af489 (patch)
tree7a26514bef692fd1162f091ff490d456308334a0 /src/mem/memcmp.c
parentUpdated Readme to include build instructions (diff)
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Added Basic Error codes, Tests and de-inliningmain
Error codes needs to be ingrated with the alloc module Tests now have great coverage in the mem module (>75%). Signed-off-by: Marc Pervaz Boocha <mboocha@sudomsg.xyz> On branch main Your branch is up to date with 'origin/main'. Changes to be committed: modified: include/alloc.h new file: include/err.h modified: include/mem.h modified: include/meson.build modified: readme.md modified: src/alloc/free.c modified: src/alloc/malloc.c new file: src/err/errstr.c new file: src/err/meson.build new file: src/err/set_err.c modified: src/mem/memccpy.c modified: src/mem/memchr.c modified: src/mem/memcmp.c modified: src/mem/memcpy.c modified: src/mem/memlen.c modified: src/mem/memmem.c modified: src/mem/memmove.c modified: src/mem/memrchr.c modified: src/mem/memrev.c modified: src/mem/memset.c modified: src/mem/memswap.c modified: src/mem/memzero.c modified: src/meson.build new file: test/alloc/memdup.c modified: test/alloc/meson.build new file: test/mem/memccpy_nullnull.c new file: test/mem/memchr.c new file: test/mem/memchr_notfound.c new file: test/mem/memcmp_diff.c new file: test/mem/memcmp_prefix.c new file: test/mem/memcmp_same.c new file: test/mem/memcmp_samenull.c new file: test/mem/memcmp_sing.c new file: test/mem/memcpy_null_prefix.c new file: test/mem/memcpy_null_same.c new file: test/mem/memcpy_nullnull.c new file: test/mem/memcpy_prefix.c new file: test/mem/memcpy_same.c new file: test/mem/memlen.c new file: test/mem/memlen_overflow.c new file: test/mem/memmove_backward.c new file: test/mem/memmove_null_backward.c new file: test/mem/memmove_null_overlap.c new file: test/mem/memmove_null_prefix.c new file: test/mem/memmove_null_same.c new file: test/mem/memmove_null_sing.c new file: test/mem/memmove_nullnull.c new file: test/mem/memmove_overlap.c new file: test/mem/memmove_prefix.c new file: test/mem/memmove_same.c new file: test/mem/memmove_sing.c new file: test/mem/memrchr.c new file: test/mem/memrchr_notfound.c new file: test/mem/memrev.c new file: test/mem/memset_null.c new file: test/mem/memset_nullnull.c new file: test/mem/memswap.c new file: test/mem/memswap_null.c new file: test/mem/memswap_same.c new file: test/mem/memzero_null.c new file: test/mem/memzero_nullnull.c modified: test/mem/meson.build modified: test/meson.build
Diffstat (limited to 'src/mem/memcmp.c')
-rw-r--r--src/mem/memcmp.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/src/mem/memcmp.c b/src/mem/memcmp.c
index bcb2fb5..70419be 100644
--- a/src/mem/memcmp.c
+++ b/src/mem/memcmp.c
@@ -11,5 +11,22 @@
*/
#include <mem.h>
-extern inline int calt_memcmp(void const *ptr1, void const *ptr2, size_t count);
+int calt_memcmp(const void *ptr1, const void *ptr2, size_t count) {
+ if(ptr1 == ptr2){
+ return 0;
+ }
+
+ const unsigned char *p1 = ptr1;
+ const unsigned char *p2 = ptr2;
+
+ while (count-- > 0) {
+ if (*p1 != *p2) {
+ return (*p1 < *p2) ? -1 : 1;
+ }
+ p1++;
+ p2++;
+ }
+
+ return 0;
+}