style: prefer nullptr to 0 in QCString::find()

zchrissirhcz · zchrissirhcz · commit 7e13a0582976 · 2023-05-24T11:34:05.000+08:00
diff --git a/src/qcstring.cpp b/src/qcstring.cpp
@@ -53,7 +53,7 @@ int QCString::find( char c, int index, bool cs ) const
     pos = data()+index;
     c = toLowerChar(c);
     while (*pos && toLowerChar(*pos)!=c) pos++;
-    if (!*pos && c) pos=0; // not found
+    if (!*pos && c) pos=nullptr; // not found
   }
   return pos ? static_cast<int>(pos - data()) : -1;
 }
@@ -78,7 +78,7 @@ int QCString::find( const char *str, int index, bool cs ) const
       if (qstrnicmp(pos,str,len)==0) break;
       pos++;
     }
-    if (!*pos) pos = 0; // not found
+    if (!*pos) pos = nullptr; // not found
   }
   return pos ? static_cast<int>(pos - data()) : -1;
 }

Original file line number	Diff line number	Diff line change
`@@ -53,7 +53,7 @@ int QCString::find( char c, int index, bool cs ) const`
`53`	`53`	`pos = data()+index;`
`54`	`54`	`c = toLowerChar(c);`
`55`	`55`	`while (pos && toLowerChar(pos)!=c) pos++;`
`56`		`- if (!*pos && c) pos=0; // not found`
	`56`	`+ if (!*pos && c) pos=nullptr; // not found`
`57`	`57`	`}`
`58`	`58`	`return pos ? static_cast<int>(pos - data()) : -1;`
`59`	`59`	`}`
`@@ -78,7 +78,7 @@ int QCString::find( const char *str, int index, bool cs ) const`
`78`	`78`	`if (qstrnicmp(pos,str,len)==0) break;`
`79`	`79`	`pos++;`
`80`	`80`	`}`
`81`		`- if (!*pos) pos = 0; // not found`
	`81`	`+ if (!*pos) pos = nullptr; // not found`
`82`	`82`	`}`
`83`	`83`	`return pos ? static_cast<int>(pos - data()) : -1;`
`84`	`84`	`}`