Fix clang compiler warning Wknr-promoted-parameter

mhaas · mhaas · commit a8b64af808db · 2015-03-22T13:45:02.000+01:00
K&R style declarations apparently have different rules about default argument promotions. https://stackoverflow.com/questions/17193395/error-using-kr-style-function-definition
diff --git a/libhttpd/protocol.c b/libhttpd/protocol.c
@@ -256,8 +256,7 @@ int outbufsize;
 }
 
 char
-_httpd_from_hex(c)
-char c;
+_httpd_from_hex(char c)
 {
     return c >= '0' && c <= '9' ? c - '0' : c >= 'A' && c <= 'F' ? c - 'A' + 10 : c - 'a' + 10; /* accept small letters just in case */
 }

Original file line number	Diff line number	Diff line change
`@@ -256,8 +256,7 @@ int outbufsize;`
`256`	`256`	`}`
`257`	`257`
`258`	`258`	`char`
`259`		`-_httpd_from_hex(c)`
`260`		`-char c;`
	`259`	`+_httpd_from_hex(char c)`
`261`	`260`	`{`
`262`	`261`	`return c >= '0' && c <= '9' ? c - '0' : c >= 'A' && c <= 'F' ? c - 'A' + 10 : c - 'a' + 10; /* accept small letters just in case */`
`263`	`262`	`}`