core_hash(): Clarify parameter requirement

liviuchircu · liviuchircu · commit ca75c705a4d7 · 2019-09-23T20:16:44.000+03:00
diff --git a/hash_func.h b/hash_func.h
@@ -41,6 +41,8 @@
 
 #define ch_h_inc h+=v^(v>>3)
 #define ch_icase(_c) (((_c)>='A'&&(_c)<='Z')?((_c)|0x20):(_c))
+
+/* NOTE: @size must be 2^N, otherwise there will be gaps in the output range */
 static inline unsigned int core_hash(const str *s1, const str *s2, const unsigned int size)
 {
 	char *p, *end;

Original file line number	Diff line number	Diff line change
`@@ -41,6 +41,8 @@`
`41`	`41`
`42`	`42`	`#define ch_h_inc h+=v^(v>>3)`
`43`	`43`	`#define ch_icase(_c) (((_c)>='A'&&(_c)<='Z')?((_c)\|0x20):(_c))`
	`44`	`+`
	`45`	`+/* NOTE: @size must be 2^N, otherwise there will be gaps in the output range */`
`44`	`46`	`static inline unsigned int core_hash(const str s1, const str s2, const unsigned int size)`
`45`	`47`	`{`
`46`	`48`	`char p, end;`