NLS: raname "maxlen" to "maxout" in UTF conversion routines
[linux-2.6-block.git] / fs / nls / nls_base.c
index 0eb059ec6f28fb7d57ab48756d6fc7d2d8a696eb..fea6bd5831dce3d84868316c424266c1232949fd 100644 (file)
@@ -52,7 +52,7 @@ static const struct utf8_table utf8_table[] =
 #define SURROGATE_LOW  0x00000400
 #define SURROGATE_BITS 0x000003ff
 
-int utf8_to_utf32(const u8 *s, int len, unicode_t *pu)
+int utf8_to_utf32(const u8 *s, int inlen, unicode_t *pu)
 {
        unsigned long l;
        int c0, c, nc;
@@ -71,7 +71,7 @@ int utf8_to_utf32(const u8 *s, int len, unicode_t *pu)
                        *pu = (unicode_t) l;
                        return nc;
                }
-               if (len <= nc)
+               if (inlen <= nc)
                        return -1;
                s++;
                c = (*s ^ 0x80) & 0xFF;
@@ -83,7 +83,7 @@ int utf8_to_utf32(const u8 *s, int len, unicode_t *pu)
 }
 EXPORT_SYMBOL(utf8_to_utf32);
 
-int utf32_to_utf8(unicode_t u, u8 *s, int maxlen)
+int utf32_to_utf8(unicode_t u, u8 *s, int maxout)
 {
        unsigned long l;
        int c, nc;
@@ -97,7 +97,7 @@ int utf32_to_utf8(unicode_t u, u8 *s, int maxlen)
                return -1;
 
        nc = 0;
-       for (t = utf8_table; t->cmask && maxlen; t++, maxlen--) {
+       for (t = utf8_table; t->cmask && maxout; t++, maxout--) {
                nc++;
                if (l <= t->lmask) {
                        c = t->shift;
@@ -129,24 +129,24 @@ static inline void put_utf16(wchar_t *s, unsigned c, enum utf16_endian endian)
        }
 }
 
-int utf8s_to_utf16s(const u8 *s, int len, enum utf16_endian endian,
-               wchar_t *pwcs, int maxlen)
+int utf8s_to_utf16s(const u8 *s, int inlen, enum utf16_endian endian,
+               wchar_t *pwcs, int maxout)
 {
        u16 *op;
        int size;
        unicode_t u;
 
        op = pwcs;
-       while (len > 0 && maxlen > 0 && *s) {
+       while (inlen > 0 && maxout > 0 && *s) {
                if (*s & 0x80) {
-                       size = utf8_to_utf32(s, len, &u);
+                       size = utf8_to_utf32(s, inlen, &u);
                        if (size < 0)
                                return -EINVAL;
                        s += size;
-                       len -= size;
+                       inlen -= size;
 
                        if (u >= PLANE_SIZE) {
-                               if (maxlen < 2)
+                               if (maxout < 2)
                                        break;
                                u -= PLANE_SIZE;
                                put_utf16(op++, SURROGATE_PAIR |
@@ -156,15 +156,15 @@ int utf8s_to_utf16s(const u8 *s, int len, enum utf16_endian endian,
                                                SURROGATE_LOW |
                                                (u & SURROGATE_BITS),
                                                endian);
-                               maxlen -= 2;
+                               maxout -= 2;
                        } else {
                                put_utf16(op++, u, endian);
-                               maxlen--;
+                               maxout--;
                        }
                } else {
                        put_utf16(op++, *s++, endian);
-                       len--;
-                       maxlen--;
+                       inlen--;
+                       maxout--;
                }
        }
        return op - pwcs;
@@ -183,27 +183,27 @@ static inline unsigned long get_utf16(unsigned c, enum utf16_endian endian)
        }
 }
 
-int utf16s_to_utf8s(const wchar_t *pwcs, int len, enum utf16_endian endian,
-               u8 *s, int maxlen)
+int utf16s_to_utf8s(const wchar_t *pwcs, int inlen, enum utf16_endian endian,
+               u8 *s, int maxout)
 {
        u8 *op;
        int size;
        unsigned long u, v;
 
        op = s;
-       while (len > 0 && maxlen > 0) {
+       while (inlen > 0 && maxout > 0) {
                u = get_utf16(*pwcs, endian);
                if (!u)
                        break;
                pwcs++;
-               len--;
+               inlen--;
                if (u > 0x7f) {
                        if ((u & SURROGATE_MASK) == SURROGATE_PAIR) {
                                if (u & SURROGATE_LOW) {
                                        /* Ignore character and move on */
                                        continue;
                                }
-                               if (len <= 0)
+                               if (inlen <= 0)
                                        break;
                                v = get_utf16(*pwcs, endian);
                                if ((v & SURROGATE_MASK) != SURROGATE_PAIR ||
@@ -214,18 +214,18 @@ int utf16s_to_utf8s(const wchar_t *pwcs, int len, enum utf16_endian endian,
                                u = PLANE_SIZE + ((u & SURROGATE_BITS) << 10)
                                                + (v & SURROGATE_BITS);
                                pwcs++;
-                               len--;
+                               inlen--;
                        }
-                       size = utf32_to_utf8(u, op, maxlen);
+                       size = utf32_to_utf8(u, op, maxout);
                        if (size == -1) {
                                /* Ignore character and move on */
                        } else {
                                op += size;
-                               maxlen -= size;
+                               maxout -= size;
                        }
                } else {
                        *op++ = (u8) u;
-                       maxlen--;
+                       maxout--;
                }
        }
        return op - s;