if (ucs < table[0].first || ucs > table[max].last)
return 0;
while (max >= min) {
- mid = (min + max) / 2;
+ mid = min + (max - min) / 2;
if (ucs > table[mid].last)
min = mid + 1;
else if (ucs < table[mid].first)
return 1;
}
-static void strbuf_addchars(struct strbuf *sb, int c, size_t n)
-{
- strbuf_grow(sb, n);
- memset(sb->buf + sb->len, c, n);
- strbuf_setlen(sb, sb->len + n);
-}
-
static void strbuf_add_indented_text(struct strbuf *buf, const char *text,
int indent, int indent2)
{
dst += n;
}
+ if (src >= end)
+ break;
+
old = src;
n = utf8_width((const char**)&src, NULL);
if (!src) /* broken utf-8, do nothing */
- return;
+ goto out;
if (n && w >= pos && w < pos + width) {
if (subst) {
memcpy(dst, subst, subst_len);
}
strbuf_setlen(&sb_dst, dst - sb_dst.buf);
strbuf_swap(sb_src, &sb_dst);
+out:
strbuf_release(&sb_dst);
}
return out;
}
+static const char *fallback_encoding(const char *name)
+{
+ /*
+ * Some platforms do not have the variously spelled variants of
+ * UTF-8, so let's fall back to trying the most official
+ * spelling. We do so only as a fallback in case the platform
+ * does understand the user's spelling, but not our official
+ * one.
+ */
+ if (is_encoding_utf8(name))
+ return "UTF-8";
+
+ /*
+ * Even though latin-1 is still seen in e-mail
+ * headers, some platforms only install ISO-8859-1.
+ */
+ if (!strcasecmp(name, "latin-1"))
+ return "ISO-8859-1";
+
+ return name;
+}
+
char *reencode_string_len(const char *in, int insz,
const char *out_encoding, const char *in_encoding,
int *outsz)
conv = iconv_open(out_encoding, in_encoding);
if (conv == (iconv_t) -1) {
- /*
- * Some platforms do not have the variously spelled variants of
- * UTF-8, so let's fall back to trying the most official
- * spelling. We do so only as a fallback in case the platform
- * does understand the user's spelling, but not our official
- * one.
- */
- if (is_encoding_utf8(in_encoding))
- in_encoding = "UTF-8";
- if (is_encoding_utf8(out_encoding))
- out_encoding = "UTF-8";
+ in_encoding = fallback_encoding(in_encoding);
+ out_encoding = fallback_encoding(out_encoding);
+
conv = iconv_open(out_encoding, in_encoding);
if (conv == (iconv_t) -1)
return NULL;
}
/*
- * Pick the next char from the stream, folding as an HFS+ filename comparison
- * would. Note that this is _not_ complete by any means. It's just enough
+ * Pick the next char from the stream, ignoring codepoints an HFS+ would.
+ * Note that this is _not_ complete by any means. It's just enough
* to make is_hfs_dotgit() work, and should not be used otherwise.
*/
static ucs_char_t next_hfs_char(const char **in)
continue;
}
- /*
- * there's a great deal of other case-folding that occurs,
- * but this is enough to catch anything that will convert
- * to ".git"
- */
- return tolower(out);
+ return out;
}
}
-int is_hfs_dotgit(const char *path)
+static int is_hfs_dot_generic(const char *path,
+ const char *needle, size_t needle_len)
{
ucs_char_t c;
- if (next_hfs_char(&path) != '.' ||
- next_hfs_char(&path) != 'g' ||
- next_hfs_char(&path) != 'i' ||
- next_hfs_char(&path) != 't')
+ c = next_hfs_char(&path);
+ if (c != '.')
return 0;
+
+ /*
+ * there's a great deal of other case-folding that occurs
+ * in HFS+, but this is enough to catch our fairly vanilla
+ * hard-coded needles.
+ */
+ for (; needle_len > 0; needle++, needle_len--) {
+ c = next_hfs_char(&path);
+
+ /*
+ * We know our needles contain only ASCII, so we clamp here to
+ * make the results of tolower() sane.
+ */
+ if (c > 127)
+ return 0;
+ if (tolower(c) != *needle)
+ return 0;
+ }
+
c = next_hfs_char(&path);
if (c && !is_dir_sep(c))
return 0;
return 1;
}
+
+/*
+ * Inline wrapper to make sure the compiler resolves strlen() on literals at
+ * compile time.
+ */
+static inline int is_hfs_dot_str(const char *path, const char *needle)
+{
+ return is_hfs_dot_generic(path, needle, strlen(needle));
+}
+
+int is_hfs_dotgit(const char *path)
+{
+ return is_hfs_dot_str(path, "git");
+}
+
+int is_hfs_dotgitmodules(const char *path)
+{
+ return is_hfs_dot_str(path, "gitmodules");
+}
+
+int is_hfs_dotgitignore(const char *path)
+{
+ return is_hfs_dot_str(path, "gitignore");
+}
+
+int is_hfs_dotgitattributes(const char *path)
+{
+ return is_hfs_dot_str(path, "gitattributes");
+}
+
+const char utf8_bom[] = "\357\273\277";
+
+int skip_utf8_bom(char **text, size_t len)
+{
+ if (len < strlen(utf8_bom) ||
+ memcmp(*text, utf8_bom, strlen(utf8_bom)))
+ return 0;
+ *text += strlen(utf8_bom);
+ return 1;
+}
+
+void strbuf_utf8_align(struct strbuf *buf, align_type position, unsigned int width,
+ const char *s)
+{
+ int slen = strlen(s);
+ int display_len = utf8_strnwidth(s, slen, 0);
+ int utf8_compensation = slen - display_len;
+
+ if (display_len >= width) {
+ strbuf_addstr(buf, s);
+ return;
+ }
+
+ if (position == ALIGN_LEFT)
+ strbuf_addf(buf, "%-*s", width + utf8_compensation, s);
+ else if (position == ALIGN_MIDDLE) {
+ int left = (width - display_len) / 2;
+ strbuf_addf(buf, "%*s%-*s", left, "", width - left + utf8_compensation, s);
+ } else if (position == ALIGN_RIGHT)
+ strbuf_addf(buf, "%*s", width + utf8_compensation, s);
+}
projects / platform / upstream / git.git / blobdiff