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sys.stringtorune doesn't need a length parameter.

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R=rsc
DELTA=7  (0 added, 0 deleted, 7 changed)
OCL=16600
CL=16630
This commit is contained in:
Rob Pike 2008-10-07 10:03:34 -07:00
parent 74e2e087e2
commit 7ee60b174d
5 changed files with 7 additions and 7 deletions
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2
src/cmd/gc/sys.go
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@ -76,7 +76,7 @@ export func goexit();
export func readfile(string) (string, bool); // read file into string; boolean status export func readfile(string) (string, bool); // read file into string; boolean status
export func writefile(string, string) (bool); // write string into file; boolean status export func writefile(string, string) (bool); // write string into file; boolean status
export func bytestorune(*byte, int32, int32) (int32, int32); // convert bytes to runes export func bytestorune(*byte, int32, int32) (int32, int32); // convert bytes to runes
export func stringtorune(string, int32, int32) (int32, int32); // convert bytes to runes export func stringtorune(string, int32) (int32, int32); // convert bytes to runes
export func exit(int32); export func exit(int32);

4
src/cmd/gc/sysimport.c
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@ -1,4 +1,4 @@
char *sysimport = char *sysimport =
"package sys\n" "package sys\n"
"type sys.any any\n" "type sys.any any\n"
"type sys.uint32 uint32\n" "type sys.uint32 uint32\n"
@ -66,7 +66,7 @@ char *sysimport =
"export func sys.readfile (? sys.string) (? sys.string, ? sys.bool)\n" "export func sys.readfile (? sys.string) (? sys.string, ? sys.bool)\n"
"export func sys.writefile (? sys.string, ? sys.string) (? sys.bool)\n" "export func sys.writefile (? sys.string, ? sys.string) (? sys.bool)\n"
"export func sys.bytestorune (? *sys.uint8, ? sys.int32, ? sys.int32) (? sys.int32, ? sys.int32)\n" "export func sys.bytestorune (? *sys.uint8, ? sys.int32, ? sys.int32) (? sys.int32, ? sys.int32)\n"
"export func sys.stringtorune (? sys.string, ? sys.int32, ? sys.int32) (? sys.int32, ? sys.int32)\n" "export func sys.stringtorune (? sys.string, ? sys.int32) (? sys.int32, ? sys.int32)\n"
"export func sys.exit (? sys.int32)\n" "export func sys.exit (? sys.int32)\n"
"\n" "\n"
"$$\n"; "$$\n";

4
src/runtime/rune.c
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@ -235,9 +235,9 @@ sys·bytestorune(byte *str, int32 off, int32 length, int32 outrune, int32 outcou
} }
void void
sys·stringtorune(string str, int32 off, int32 length, int32 outrune, int32 outcount) sys·stringtorune(string str, int32 off, int32 outrune, int32 outcount)
{ {
outcount = charntorune(&outrune, str->str + off, length); outcount = charntorune(&outrune, str->str + off, str->len - off);
FLUSH(&outrune); FLUSH(&outrune);
FLUSH(&outcount); FLUSH(&outcount);
} }

2
src/runtime/runtime.h
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@ -293,4 +293,4 @@ void sys·intstring(int64, string);
*/ */
void sys·readfile(string, string, bool); void sys·readfile(string, string, bool);
void sys·bytestorune(byte*, int32, int32, int32, int32); void sys·bytestorune(byte*, int32, int32, int32, int32);
void sys·stringtorune(string, int32, int32, int32, int32); void sys·stringtorune(string, int32, int32, int32);

2
test/utf.go
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@ -21,7 +21,7 @@ func main() {
var l = len(s); var l = len(s);
for w, i, j := 0,0,0; i < l; i += w { for w, i, j := 0,0,0; i < l; i += w {
var r int32; var r int32;
r, w = sys.stringtorune(s, i, l); r, w = sys.stringtorune(s, i);
if w == 0 { panic("zero width in string") } if w == 0 { panic("zero width in string") }
if r != chars[j] { panic("wrong value from string") } if r != chars[j] { panic("wrong value from string") }
j++; j++;