diff options
| author | ame <[email protected]> | 2024-04-15 08:23:28 -0500 |
|---|---|---|
| committer | ame <[email protected]> | 2024-04-15 08:23:28 -0500 |
| commit | 8d85e6501a9aa49da4a4a910207566e85bd5fd4d (patch) | |
| tree | e864d5bb71d06320ede5a5f15158938dcc4c1912 /src/hash/sysvchecksum.c | |
| parent | 3b9343ae3f25684e1dfa3bd8f123d61dcfd81be7 (diff) | |
msys2 + fix logging
Diffstat (limited to 'src/hash/sysvchecksum.c')
| -rw-r--r-- | src/hash/sysvchecksum.c | 100 |
1 files changed, 50 insertions, 50 deletions
diff --git a/src/hash/sysvchecksum.c b/src/hash/sysvchecksum.c index 221a6dd..661ee8d 100644 --- a/src/hash/sysvchecksum.c +++ b/src/hash/sysvchecksum.c @@ -1,50 +1,50 @@ -#include "../crypto.h" -#include <stdio.h> -#include <stdint.h> -#include <math.h> - -struct sysvchecksum_hash sysvchecksum_init(){ - return (struct sysvchecksum_hash){.check = 0}; -} - -void sysvchecksum_update(uint8_t* aa, size_t len, struct sysvchecksum_hash* hash){ - for(int i = 0; i != len; i++) - hash->check += aa[i]; -} - -uint32_t sysvchecksum_final(struct sysvchecksum_hash* hash){ - uint32_t r = hash->check % (int)pow(2,16) + (hash->check % (int)pow(2,32)) / (int)pow(2,16); - return (r % (int)pow(2,16)) + r / (int)pow(2,16); -} - -uint32_t sysvchecksum(uint8_t* aa, size_t len){ - struct sysvchecksum_hash a = sysvchecksum_init(); - sysvchecksum_update(aa, len, &a); - return sysvchecksum_final(&a); -} - -common_hash_clone(sysvchecksum); -common_hash_init_update(sysvchecksum); - -int l_sysvchecksum_final(lua_State* L){ - struct sysvchecksum_hash* a = (struct sysvchecksum_hash*)lua_touserdata(L, 1); - uint32_t u = sysvchecksum_final(a); - char digest[32]; - sprintf(digest,"%x",u); - lua_pushstring(L, digest); - return 1; -} - -int l_sysvchecksum(lua_State* L){ - if(lua_gettop(L) == 0) return l_sysvchecksum_init(L); - size_t len = 0; - uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len); - - char digest[32]; - - uint32_t u = sysvchecksum(a, len); - sprintf(digest,"%x",u); - lua_pushstring(L, digest); - - return 1; -} +#include "../crypto.h"
+#include <stdio.h>
+#include <stdint.h>
+#include <math.h>
+
+struct sysvchecksum_hash sysvchecksum_init(){
+ return (struct sysvchecksum_hash){.check = 0};
+}
+
+void sysvchecksum_update(uint8_t* aa, size_t len, struct sysvchecksum_hash* hash){
+ for(int i = 0; i != len; i++)
+ hash->check += aa[i];
+}
+
+uint32_t sysvchecksum_final(struct sysvchecksum_hash* hash){
+ uint32_t r = hash->check % (int)pow(2,16) + (hash->check % (int)pow(2,32)) / (int)pow(2,16);
+ return (r % (int)pow(2,16)) + r / (int)pow(2,16);
+}
+
+uint32_t sysvchecksum(uint8_t* aa, size_t len){
+ struct sysvchecksum_hash a = sysvchecksum_init();
+ sysvchecksum_update(aa, len, &a);
+ return sysvchecksum_final(&a);
+}
+
+common_hash_clone(sysvchecksum);
+common_hash_init_update(sysvchecksum);
+
+int l_sysvchecksum_final(lua_State* L){
+ struct sysvchecksum_hash* a = (struct sysvchecksum_hash*)lua_touserdata(L, 1);
+ uint32_t u = sysvchecksum_final(a);
+ char digest[32];
+ sprintf(digest,"%x",u);
+ lua_pushstring(L, digest);
+ return 1;
+}
+
+int l_sysvchecksum(lua_State* L){
+ if(lua_gettop(L) == 0) return l_sysvchecksum_init(L);
+ size_t len = 0;
+ uint8_t* a = (uint8_t*)luaL_checklstring(L, 1, &len);
+
+ char digest[32];
+
+ uint32_t u = sysvchecksum(a, len);
+ sprintf(digest,"%x",u);
+ lua_pushstring(L, digest);
+
+ return 1;
+}
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