return 1;
}
-static inline void strbuf_write(struct strbuf *sb, const char *buf, int len)
+static void strbuf_addchars(struct strbuf *sb, int c, size_t n)
{
- if (sb)
- strbuf_insert(sb, sb->len, buf, len);
- else
- fwrite(buf, len, 1, stdout);
-}
-
-static void print_spaces(struct strbuf *buf, int count)
-{
- static const char s[] = " ";
- while (count >= sizeof(s)) {
- strbuf_write(buf, s, sizeof(s) - 1);
- count -= sizeof(s) - 1;
- }
- strbuf_write(buf, s, count);
+ 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,
const char *eol = strchrnul(text, '\n');
if (*eol == '\n')
eol++;
- print_spaces(buf, indent);
- strbuf_write(buf, text, eol - text);
+ strbuf_addchars(buf, ' ', indent);
+ strbuf_add(buf, text, eol - text);
text = eol;
indent = indent2;
}
* consumed (and no extra indent is necessary for the first line).
*/
int strbuf_add_wrapped_text(struct strbuf *buf,
- const char *text, int indent, int indent2, int width)
+ const char *text, int indent1, int indent2, int width)
{
- int w = indent, assume_utf8 = is_utf8(text);
- const char *bol = text, *space = NULL;
+ int indent, w, assume_utf8 = 1;
+ const char *bol, *space, *start = text;
+ size_t orig_len = buf->len;
if (width <= 0) {
- strbuf_add_indented_text(buf, text, indent, indent2);
+ strbuf_add_indented_text(buf, text, indent1, indent2);
return 1;
}
+retry:
+ bol = text;
+ w = indent = indent1;
+ space = NULL;
if (indent < 0) {
w = -indent;
space = text;
if (space)
start = space;
else
- print_spaces(buf, indent);
- strbuf_write(buf, start, text - start);
+ strbuf_addchars(buf, ' ', indent);
+ strbuf_add(buf, start, text - start);
if (!c)
return w;
space = text;
else if (c == '\n') {
space++;
if (*space == '\n') {
- strbuf_write(buf, "\n", 1);
+ strbuf_addch(buf, '\n');
goto new_line;
}
else if (!isalnum(*space))
goto new_line;
else
- strbuf_write(buf, " ", 1);
+ strbuf_addch(buf, ' ');
}
w++;
text++;
}
else {
new_line:
- strbuf_write(buf, "\n", 1);
+ strbuf_addch(buf, '\n');
text = bol = space + isspace(*space);
space = NULL;
w = indent = indent2;
}
continue;
}
- if (assume_utf8)
+ if (assume_utf8) {
w += utf8_width(&text, NULL);
- else {
+ if (!text) {
+ assume_utf8 = 0;
+ text = start;
+ strbuf_setlen(buf, orig_len);
+ goto retry;
+ }
+ } else {
w++;
text++;
}
}
}
-int print_wrapped_text(const char *text, int indent, int indent2, int width)
+int strbuf_add_wrapped_bytes(struct strbuf *buf, const char *data, int len,
+ int indent, int indent2, int width)
{
- return strbuf_add_wrapped_text(NULL, text, indent, indent2, width);
+ char *tmp = xstrndup(data, len);
+ int r = strbuf_add_wrapped_text(buf, tmp, indent, indent2, width);
+ free(tmp);
+ return r;
}
int is_encoding_utf8(const char *name)
#else
typedef char * iconv_ibp;
#endif
-char *reencode_string(const char *in, const char *out_encoding, const char *in_encoding)
+char *reencode_string_iconv(const char *in, size_t insz, iconv_t conv)
{
- iconv_t conv;
- size_t insz, outsz, outalloc;
+ size_t outsz, outalloc;
char *out, *outpos;
iconv_ibp cp;
- if (!in_encoding)
- return NULL;
- conv = iconv_open(out_encoding, in_encoding);
- if (conv == (iconv_t) -1)
- return NULL;
- insz = strlen(in);
outsz = insz;
outalloc = outsz + 1; /* for terminating NUL */
out = xmalloc(outalloc);
size_t sofar;
if (errno != E2BIG) {
free(out);
- iconv_close(conv);
return NULL;
}
/* insz has remaining number of bytes.
break;
}
}
+ return out;
+}
+
+char *reencode_string(const char *in, const char *out_encoding, const char *in_encoding)
+{
+ iconv_t conv;
+ char *out;
+
+ if (!in_encoding)
+ return NULL;
+ conv = iconv_open(out_encoding, in_encoding);
+ if (conv == (iconv_t) -1)
+ return NULL;
+ out = reencode_string_iconv(in, strlen(in), conv);
iconv_close(conv);
return out;
}