summaryrefslogtreecommitdiff
path: root/lib/unilbrk/ulc-width-linebreaks.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/unilbrk/ulc-width-linebreaks.c')
-rw-r--r--lib/unilbrk/ulc-width-linebreaks.c232
1 files changed, 116 insertions, 116 deletions
diff --git a/lib/unilbrk/ulc-width-linebreaks.c b/lib/unilbrk/ulc-width-linebreaks.c
index 3b091bf..16b3881 100644
--- a/lib/unilbrk/ulc-width-linebreaks.c
+++ b/lib/unilbrk/ulc-width-linebreaks.c
@@ -1,5 +1,5 @@
/* Line breaking of strings.
- Copyright (C) 2001-2003, 2006-2009 Free Software Foundation, Inc.
+ Copyright (C) 2001-2003, 2006-2010 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2001.
This program is free software: you can redistribute it and/or modify it
@@ -42,94 +42,94 @@
int
ulc_width_linebreaks (const char *s, size_t n,
- int width, int start_column, int at_end_columns,
- const char *o, const char *encoding,
- char *p)
+ int width, int start_column, int at_end_columns,
+ const char *o, const char *encoding,
+ char *p)
{
if (n > 0)
{
if (is_utf8_encoding (encoding))
- return u8_width_linebreaks ((const uint8_t *) s, n, width, start_column, at_end_columns, o, encoding, p);
+ return u8_width_linebreaks ((const uint8_t *) s, n, width, start_column, at_end_columns, o, encoding, p);
else
- {
- /* Convert the string to UTF-8 and build a translation table
- from offsets into s to offsets into the translated string. */
- size_t *offsets = (size_t *) malloc (n * sizeof (size_t));
-
- if (offsets != NULL)
- {
- uint8_t *t;
- size_t m;
-
- t = u8_conv_from_encoding (encoding, iconveh_question_mark,
- s, n, offsets, NULL, &m);
- if (t != NULL)
- {
- char *memory =
- (char *) (m > 0 ? malloc (m + (o != NULL ? m : 0)) : NULL);
-
- if (m == 0 || memory != NULL)
- {
- char *q = (char *) memory;
- char *o8 = (o != NULL ? (char *) (q + m) : NULL);
- int res_column;
- size_t i;
-
- /* Translate the overrides to the UTF-8 string. */
- if (o != NULL)
- {
- memset (o8, UC_BREAK_UNDEFINED, m);
- for (i = 0; i < n; i++)
- if (offsets[i] != (size_t)(-1))
- o8[offsets[i]] = o[i];
- }
-
- /* Determine the line breaks of the UTF-8 string. */
- res_column =
- u8_width_linebreaks (t, m, width, start_column, at_end_columns, o8, encoding, q);
-
- /* Translate the result back to the original string. */
- memset (p, UC_BREAK_PROHIBITED, n);
- for (i = 0; i < n; i++)
- if (offsets[i] != (size_t)(-1))
- p[i] = q[offsets[i]];
-
- free (memory);
- free (t);
- free (offsets);
- return res_column;
- }
- free (t);
- }
- free (offsets);
- }
- /* Impossible to convert. */
+ {
+ /* Convert the string to UTF-8 and build a translation table
+ from offsets into s to offsets into the translated string. */
+ size_t *offsets = (size_t *) malloc (n * sizeof (size_t));
+
+ if (offsets != NULL)
+ {
+ uint8_t *t;
+ size_t m;
+
+ t = u8_conv_from_encoding (encoding, iconveh_question_mark,
+ s, n, offsets, NULL, &m);
+ if (t != NULL)
+ {
+ char *memory =
+ (char *) (m > 0 ? malloc (m + (o != NULL ? m : 0)) : NULL);
+
+ if (m == 0 || memory != NULL)
+ {
+ char *q = (char *) memory;
+ char *o8 = (o != NULL ? (char *) (q + m) : NULL);
+ int res_column;
+ size_t i;
+
+ /* Translate the overrides to the UTF-8 string. */
+ if (o != NULL)
+ {
+ memset (o8, UC_BREAK_UNDEFINED, m);
+ for (i = 0; i < n; i++)
+ if (offsets[i] != (size_t)(-1))
+ o8[offsets[i]] = o[i];
+ }
+
+ /* Determine the line breaks of the UTF-8 string. */
+ res_column =
+ u8_width_linebreaks (t, m, width, start_column, at_end_columns, o8, encoding, q);
+
+ /* Translate the result back to the original string. */
+ memset (p, UC_BREAK_PROHIBITED, n);
+ for (i = 0; i < n; i++)
+ if (offsets[i] != (size_t)(-1))
+ p[i] = q[offsets[i]];
+
+ free (memory);
+ free (t);
+ free (offsets);
+ return res_column;
+ }
+ free (t);
+ }
+ free (offsets);
+ }
+ /* Impossible to convert. */
#if C_CTYPE_ASCII
- if (is_all_ascii (s, n))
- {
- /* ASCII is a subset of UTF-8. */
- return u8_width_linebreaks ((const uint8_t *) s, n, width, start_column, at_end_columns, o, encoding, p);
- }
+ if (is_all_ascii (s, n))
+ {
+ /* ASCII is a subset of UTF-8. */
+ return u8_width_linebreaks ((const uint8_t *) s, n, width, start_column, at_end_columns, o, encoding, p);
+ }
#endif
- /* We have a non-ASCII string and cannot convert it.
- Don't produce line breaks except those already present in the
- input string. All we assume here is that the encoding is
- minimally ASCII compatible. */
- {
- const char *s_end = s + n;
- while (s < s_end)
- {
- *p = ((o != NULL && *o == UC_BREAK_MANDATORY) || *s == '\n'
- ? UC_BREAK_MANDATORY
- : UC_BREAK_PROHIBITED);
- s++;
- p++;
- if (o != NULL)
- o++;
- }
- /* We cannot compute widths in this case. */
- }
- }
+ /* We have a non-ASCII string and cannot convert it.
+ Don't produce line breaks except those already present in the
+ input string. All we assume here is that the encoding is
+ minimally ASCII compatible. */
+ {
+ const char *s_end = s + n;
+ while (s < s_end)
+ {
+ *p = ((o != NULL && *o == UC_BREAK_MANDATORY) || *s == '\n'
+ ? UC_BREAK_MANDATORY
+ : UC_BREAK_PROHIBITED);
+ s++;
+ p++;
+ if (o != NULL)
+ o++;
+ }
+ /* We cannot compute widths in this case. */
+ }
+ }
}
return start_column;
}
@@ -154,28 +154,28 @@ read_file (FILE *stream)
while (! feof (stream))
{
if (size + BUFSIZE > alloc)
- {
- alloc = alloc + alloc / 2;
- if (alloc < size + BUFSIZE)
- alloc = size + BUFSIZE;
- buf = realloc (buf, alloc);
- if (buf == NULL)
- {
- fprintf (stderr, "out of memory\n");
- exit (1);
- }
- }
+ {
+ alloc = alloc + alloc / 2;
+ if (alloc < size + BUFSIZE)
+ alloc = size + BUFSIZE;
+ buf = realloc (buf, alloc);
+ if (buf == NULL)
+ {
+ fprintf (stderr, "out of memory\n");
+ exit (1);
+ }
+ }
count = fread (buf + size, 1, BUFSIZE, stream);
if (count == 0)
- {
- if (ferror (stream))
- {
- perror ("fread");
- exit (1);
- }
- }
+ {
+ if (ferror (stream))
+ {
+ perror ("fread");
+ exit (1);
+ }
+ }
else
- size += count;
+ size += count;
}
buf = realloc (buf, size + 1);
if (buf == NULL)
@@ -204,21 +204,21 @@ main (int argc, char * argv[])
ulc_width_linebreaks (input, length, width, 0, 0, NULL, locale_charset (), breaks);
for (i = 0; i < length; i++)
- {
- switch (breaks[i])
- {
- case UC_BREAK_POSSIBLE:
- putc ('\n', stdout);
- break;
- case UC_BREAK_MANDATORY:
- break;
- case UC_BREAK_PROHIBITED:
- break;
- default:
- abort ();
- }
- putc (input[i], stdout);
- }
+ {
+ switch (breaks[i])
+ {
+ case UC_BREAK_POSSIBLE:
+ putc ('\n', stdout);
+ break;
+ case UC_BREAK_MANDATORY:
+ break;
+ case UC_BREAK_PROHIBITED:
+ break;
+ default:
+ abort ();
+ }
+ putc (input[i], stdout);
+ }
free (breaks);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-21 18:51:18 +0000