X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fmemchr.c;h=6a09649903787a88a28640159a7e6bb87d16e95d;hb=b06bbb1e2a100095da21e18139e4f960604d0d02;hp=83d6f1702c5fd3fc190d9082c4f577892ea604dc;hpb=34893ecc2200dc7017c36a54cb6c5f4c2378b5ec;p=pdclib

diff --git a/functions/string/memchr.c b/functions/string/memchr.c
index 83d6f17..6a09649 100644
--- a/functions/string/memchr.c
+++ b/functions/string/memchr.c
@@ -5,13 +5,19 @@
 // This code is Public Domain. Use, modify, and redistribute at will.
 // ----------------------------------------------------------------------------
 
-// ----------------------------------------------------------------------------
-// C++
-
-const void * memchr( const void * s, int c, size_t n ) { /* TODO */ };
-void * memchr( void * s, int c, size_t n ) { /* TODO */ };
-
-// ----------------------------------------------------------------------------
-// Standard C
+#include <__size_t.h>
+#include <__NULL.h>
 
-void * memchr( const void * s, int c, size_t n ) { /* TODO */ };
+void * memchr( const void * src, int c, size_t n )
+{
+    const unsigned char * p = (const unsigned char *) src;
+    while ( n-- )
+    {
+        if ( *p == (unsigned char) c )
+        {
+            return (void *) p;
+        }
+        ++p;
+    }
+    return NULL;
+}