[libcextra] add isw* classification functions.

18 files changed, 539 insertions, 0 deletions

diff --git a/system/lib/libc/musl/src/ctype/alpha.h b/system/lib/libc/musl/src/ctype/alpha.h
new file mode 100644
index 00000000..b318c827
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/alpha.h
@@ -0,0 +1,125 @@
+18,17,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,17,34,35,36,17,37,38,39,40,
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+159,25,192,176,207,255,2,0,236,199,61,214,24,199,255,195,199,29,129,0,192,255,
+0,0,238,223,253,255,255,253,239,227,223,29,96,3,207,255,0,0,236,223,253,255,
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+255,255,255,255,255,63,0,0,0,0,0,0,0,0,0,0,0,0,0,222,111,0,255,255,255,255,
+255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
+255,0,0,0,0,0,0,0,0,255,255,63,63,255,255,255,255,63,63,255,170,255,255,255,
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diff --git a/system/lib/libc/musl/src/ctype/iswalnum.c b/system/lib/libc/musl/src/ctype/iswalnum.c
new file mode 100644
index 00000000..35dbe02c
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/iswalnum.c
@@ -0,0 +1,7 @@
+#include <wchar.h>
+#include <wctype.h>
+
+int iswalnum(wint_t wc)
+{
+	return iswdigit(wc) || iswalpha(wc);
+}
diff --git a/system/lib/libc/musl/src/ctype/iswalpha.c b/system/lib/libc/musl/src/ctype/iswalpha.c
new file mode 100644
index 00000000..d558faef
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/iswalpha.c
@@ -0,0 +1,14 @@
+#include <wctype.h>
+
+static const unsigned char table[] = {
+#include "alpha.h"
+};
+
+int iswalpha(wint_t wc)
+{
+	if (wc<0x20000U)
+		return (table[table[wc>>8]*32+((wc&255)>>3)]>>(wc&7))&1;
+	if (wc<0x2fffeU)
+		return 1;
+	return 0;
+}
diff --git a/system/lib/libc/musl/src/ctype/iswblank.c b/system/lib/libc/musl/src/ctype/iswblank.c
new file mode 100644
index 00000000..bc6196f2
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/iswblank.c
@@ -0,0 +1,8 @@
+#include <wchar.h>
+#include <wctype.h>
+#include <ctype.h>
+
+int iswblank(wint_t wc)
+{
+	return isblank(wc);
+}
diff --git a/system/lib/libc/musl/src/ctype/iswcntrl.c b/system/lib/libc/musl/src/ctype/iswcntrl.c
new file mode 100644
index 00000000..93942b08
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/iswcntrl.c
@@ -0,0 +1,10 @@
+#include <wchar.h>
+#include <wctype.h>
+
+int iswcntrl(wint_t wc)
+{
+	return (unsigned)wc < 32
+	    || (unsigned)(wc-0x7f) < 33
+	    || (unsigned)(wc-0x2028) < 2
+	    || (unsigned)(wc-0xfff9) < 3;
+}
diff --git a/system/lib/libc/musl/src/ctype/iswctype.c b/system/lib/libc/musl/src/ctype/iswctype.c
new file mode 100644
index 00000000..d917975b
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/iswctype.c
@@ -0,0 +1,63 @@
+#include <wchar.h>
+#include <wctype.h>
+#include <string.h>
+
+#define WCTYPE_ALNUM  1
+#define WCTYPE_ALPHA  2
+#define WCTYPE_BLANK  3
+#define WCTYPE_CNTRL  4
+#define WCTYPE_DIGIT  5
+#define WCTYPE_GRAPH  6
+#define WCTYPE_LOWER  7
+#define WCTYPE_PRINT  8
+#define WCTYPE_PUNCT  9
+#define WCTYPE_SPACE  10
+#define WCTYPE_UPPER  11
+#define WCTYPE_XDIGIT 12
+
+int iswctype(wint_t wc, wctype_t type)
+{
+	switch (type) {
+	case WCTYPE_ALNUM:
+		return iswalnum(wc);
+	case WCTYPE_ALPHA:
+		return iswalpha(wc);
+	case WCTYPE_BLANK:
+		return iswblank(wc);
+	case WCTYPE_CNTRL:
+		return iswcntrl(wc);
+	case WCTYPE_DIGIT:
+		return iswdigit(wc);
+	case WCTYPE_GRAPH:
+		return iswgraph(wc);
+	case WCTYPE_LOWER:
+		return iswlower(wc);
+	case WCTYPE_PRINT:
+		return iswprint(wc);
+	case WCTYPE_PUNCT:
+		return iswpunct(wc);
+	case WCTYPE_SPACE:
+		return iswspace(wc);
+	case WCTYPE_UPPER:
+		return iswupper(wc);
+	case WCTYPE_XDIGIT:
+		return iswxdigit(wc);
+	}
+	return 0;
+}
+
+wctype_t wctype(const char *s)
+{
+	int i;
+	const char *p;
+	/* order must match! */
+	static const char names[] =
+		"alnum\0" "alpha\0" "blank\0"
+		"cntrl\0" "digit\0" "graph\0"
+		"lower\0" "print\0" "punct\0"
+		"space\0" "upper\0" "xdigit";
+	for (i=1, p=names; *p; i++, p+=6)
+		if (*s == *p && !strcmp(s, p))
+			return i;
+	return 0;
+}
diff --git a/system/lib/libc/musl/src/ctype/iswdigit.c b/system/lib/libc/musl/src/ctype/iswdigit.c
new file mode 100644
index 00000000..0487145f
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/iswdigit.c
@@ -0,0 +1,9 @@
+#include <wchar.h>
+#include <wctype.h>
+
+#undef iswdigit
+
+int iswdigit(wint_t wc)
+{
+	return (unsigned)wc-'0' < 10;
+}
diff --git a/system/lib/libc/musl/src/ctype/iswgraph.c b/system/lib/libc/musl/src/ctype/iswgraph.c
new file mode 100644
index 00000000..fdc97853
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/iswgraph.c
@@ -0,0 +1,7 @@
+#include <wctype.h>
+
+int iswgraph(wint_t wc)
+{
+	/* ISO C defines this function as: */
+	return !iswspace(wc) && iswprint(wc);
+}
diff --git a/system/lib/libc/musl/src/ctype/iswlower.c b/system/lib/libc/musl/src/ctype/iswlower.c
new file mode 100644
index 00000000..438fe26a
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/iswlower.c
@@ -0,0 +1,6 @@
+#include <wctype.h>
+
+int iswlower(wint_t wc)
+{
+	return towupper(wc) != wc || wc == 0xdf;
+}
diff --git a/system/lib/libc/musl/src/ctype/iswprint.c b/system/lib/libc/musl/src/ctype/iswprint.c
new file mode 100644
index 00000000..333f19c2
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/iswprint.c
@@ -0,0 +1,19 @@
+#include <wctype.h>
+
+/* Consider all legal codepoints as printable except for:
+ * - C0 and C1 control characters
+ * - U+2028 and U+2029 (line/para break)
+ * - U+FFF9 through U+FFFB (interlinear annotation controls)
+ * The following code is optimized heavily to make hot paths for the
+ * expected printable characters. */
+
+int iswprint(wint_t wc)
+{
+	if (wc < 0xffU)
+		return (wc+1 & 0x7f) >= 0x21;
+	if (wc < 0x2028U || wc-0x202aU < 0xd800-0x202a || wc-0xe000U < 0xfff9-0xe000)
+		return 1;
+	if (wc-0xfffcU > 0x10ffff-0xfffc || (wc&0xfffe)==0xfffe)
+		return 0;
+	return 1;
+}
diff --git a/system/lib/libc/musl/src/ctype/iswpunct.c b/system/lib/libc/musl/src/ctype/iswpunct.c
new file mode 100644
index 00000000..16e8703b
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/iswpunct.c
@@ -0,0 +1,12 @@
+#include <wctype.h>
+
+static const unsigned char table[] = {
+#include "punct.h"
+};
+
+int iswpunct(wint_t wc)
+{
+	if (wc<0x20000U)
+		return (table[table[wc>>8]*32+((wc&255)>>3)]>>(wc&7))&1;
+	return 0;
+}
diff --git a/system/lib/libc/musl/src/ctype/iswspace.c b/system/lib/libc/musl/src/ctype/iswspace.c
new file mode 100644
index 00000000..99d517e6
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/iswspace.c
@@ -0,0 +1,19 @@
+#include <wchar.h>
+#include <wctype.h>
+#include <ctype.h>
+
+/* Our definition of whitespace is the Unicode White_Space property,
+ * minus non-breaking spaces (U+00A0, U+2007, and U+202F) and script-
+ * specific characters with non-blank glyphs (U+1680 and U+180E). */
+
+int iswspace(wint_t wc)
+{
+	static const wchar_t spaces[] = {
+		' ', '\t', '\n', '\r', 11, 12,  0x0085,
+		0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005,
+		0x2006, 0x2008, 0x2009, 0x200a,
+		0x2028, 0x2029, 0x205f, 0x3000, 0
+	};
+	if (wcschr(spaces, wc)) return 1;
+	return 0;
+}
diff --git a/system/lib/libc/musl/src/ctype/iswupper.c b/system/lib/libc/musl/src/ctype/iswupper.c
new file mode 100644
index 00000000..eae59a75
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/iswupper.c
@@ -0,0 +1,6 @@
+#include <wctype.h>
+
+int iswupper(wint_t wc)
+{
+	return towlower(wc) != wc;
+}
diff --git a/system/lib/libc/musl/src/ctype/iswxdigit.c b/system/lib/libc/musl/src/ctype/iswxdigit.c
new file mode 100644
index 00000000..229a469f
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/iswxdigit.c
@@ -0,0 +1,7 @@
+#include <wchar.h>
+#include <wctype.h>
+
+int iswxdigit(wint_t wc)
+{
+	return (unsigned)(wc-'0') < 10 || (unsigned)((wc|32)-'a') < 6;
+}
diff --git a/system/lib/libc/musl/src/ctype/nonspacing.h b/system/lib/libc/musl/src/ctype/nonspacing.h
new file mode 100644
index 00000000..4c25ef51
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/nonspacing.h
@@ -0,0 +1,62 @@
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diff --git a/system/lib/libc/musl/src/ctype/punct.h b/system/lib/libc/musl/src/ctype/punct.h
new file mode 100644
index 00000000..466e6b33
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/punct.h
@@ -0,0 +1,109 @@
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+255,255,15,0,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
+255,255,255,255,255,255,255,255,255,255,63,0,0,0,255,15,30,255,255,255,1,252,
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+255,255,255,255,255,255,255,127,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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+0,248,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,127,127,0,48,135,255,255,255,255,255,
+143,255,0,0,0,0,0,0,224,255,255,7,255,15,0,0,0,0,0,0,255,255,255,255,255,63,0,
+0,0,0,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,128,255,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,192,143,0,0,0,128,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,135,255,0,255,1,
+0,0,0,224,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,254,0,0,0,255,0,0,0,
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+0,0,0,254,3,0,0,0,0,0,0,0,0,0,0,0,0,0,24,0,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
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+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,128,7,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255,
+255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
+255,255,255,255,255,255,255,63,0,255,255,255,255,127,254,255,255,255,255,255,
+255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,63,0,0,0,0,
+255,255,255,255,255,255,255,255,63,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,255,255,255,255,255,255,255,255,255,255,127,0,255,255,3,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,8,0,0,0,
+8,0,0,32,0,0,0,32,0,0,128,0,0,0,128,0,0,0,2,0,0,0,2,0,0,8,0,0,0,0,0,0,0,0,0,0,
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+15,255,255,255,255,255,255,255,255,255,255,255,255,15,0,255,127,254,127,254,
+255,254,255,0,0,0,0,255,7,255,255,255,127,255,255,255,255,255,255,255,15,255,
+255,255,255,255,7,0,0,0,0,0,0,0,0,192,255,255,255,7,0,255,255,255,255,255,7,
+255,1,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255,1,0,191,255,
+255,255,255,255,255,255,255,31,255,255,15,0,255,255,255,255,223,7,0,0,255,255,
+1,0,255,255,255,255,255,255,255,127,253,255,255,255,255,255,255,255,255,255,
+255,255,255,255,255,255,255,255,255,255,255,255,255,30,255,255,255,255,255,
+255,255,63,15,0,255,255,255,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,248,255,255,
+255,255,255,255,255,255,225,255,0,0,0,0,0,0,255,255,255,255,255,255,255,255,
+63,0,0,0,0,0,0,0,255,255,255,255,255,255,255,255,255,255,255,255,255,255,15,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
diff --git a/system/lib/libc/musl/src/ctype/wide.h b/system/lib/libc/musl/src/ctype/wide.h
new file mode 100644
index 00000000..125d0ce3
--- /dev/null
+++ b/system/lib/libc/musl/src/ctype/wide.h
@@ -0,0 +1,42 @@
+16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,18,16,16,16,16,16,16,16,16,
+16,16,16,16,16,16,16,16,16,19,16,16,16,16,16,16,16,16,16,16,20,21,22,23,24,17,
+17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,25,
+17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,
+17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,
+17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,
+17,17,17,17,17,17,17,17,26,16,16,16,16,27,16,16,17,17,17,17,17,17,17,17,17,17,
+17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,17,
+17,17,17,17,17,17,17,28,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,
+16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,17,17,16,16,16,29,30,16,16,16,16,
+16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,
+16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,
+16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,
+16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,
+16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,
+16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,
+16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,31,16,16,16,16,16,16,16,16,16,
+16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,
+16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,
+16,16,16,16,32,16,16,16,16,16,16,16,16,16,16,16,16,16,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255,255,255,255,255,255,
+255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
+255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,0,0,0,0,0,0,0,
+0,248,0,0,0,0,0,0,0,0,0,0,252,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,251,255,255,255,
+255,255,255,255,255,255,255,15,0,255,255,255,255,255,255,255,255,255,255,255,
+255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,63,0,0,0,255,15,
+255,255,255,255,255,255,255,127,254,255,255,255,255,255,255,255,255,255,127,
+254,255,255,255,255,255,255,255,255,255,255,255,255,224,255,255,255,255,63,
+254,255,255,255,255,255,255,255,255,255,255,127,255,255,255,255,255,7,255,255,
+255,255,15,0,255,255,255,255,255,127,255,255,255,255,255,0,255,255,255,255,
+255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,127,255,
+255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
+255,255,255,255,0,0,0,0,0,0,0,0,255,255,255,255,255,255,255,255,255,255,255,
+255,255,255,255,255,255,31,255,255,255,255,255,255,127,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,255,255,255,31,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,
+255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,15,0,255,
+255,127,248,255,255,255,255,255,15,0,0,255,3,0,0,255,255,255,255,247,255,127,
+15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,254,255,255,255,255,255,255,255,255,
+255,255,255,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,127,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,255,255,255,255,255,7,255,1,3,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
diff --git a/system/lib/libcextra.symbols b/system/lib/libcextra.symbols
index 86e6e8ee..91a05269 100644
--- a/system/lib/libcextra.symbols
+++ b/system/lib/libcextra.symbols
@@ -1,4 +1,17 @@
          T btowc
+         T iswalnum
+         T iswalpha
+         T iswblank
+         T iswcntrl
+         T iswctype
+         T iswdigit
+         T iswgraph
+         T iswlower
+         T iswprint
+         T iswpunct
+         T iswspace
+         T iswupper
+         T iswxdigit
          T mblen
          T mbrlen
          T mbrtowc
@@ -34,6 +47,7 @@
          T wcswcs
          T wctob
          T wctomb
+         T wctype
          T wmemchr
          T wmemcmp
          T wmemcpy