use memmove for overlapping regions

wolfv · wolfv · commit ccc2ec885a81 · 2021-07-08T09:13:32.000+02:00
diff --git a/src/conda.c b/src/conda.c
@@ -670,7 +670,7 @@ pool_conda_matchspec(Pool *pool, const char *name)
   if (build)
     {
       *p++ = ' ';
-      memcpy(p, build, buildend - build);
+      memmove(p, build, buildend - build);
       p += buildend - build;
     }
   evrid = pool_strn2id(pool, version, p - version, 1);

Original file line number	Diff line number	Diff line change
`@@ -670,7 +670,7 @@ pool_conda_matchspec(Pool pool, const char name)`
`670`	`670`	`if (build)`
`671`	`671`	`{`
`672`	`672`	`*p++ = ' ';`
`673`		`- memcpy(p, build, buildend - build);`
	`673`	`+ memmove(p, build, buildend - build);`
`674`	`674`	`p += buildend - build;`
`675`	`675`	`}`
`676`	`676`	`evrid = pool_strn2id(pool, version, p - version, 1);`