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Introduce string_length() and string_width().

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Xavier G 2016-05-13 02:47:26 +02:00
commit 35b3ccc6a4
2 changed files with 43 additions and 0 deletions
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34
src/core/utf8.c
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@ -55,3 +55,37 @@ int string_policy(const char *str)
}
return TREAT_STRING_AS_BYTES;
}
int string_length(const char *str, int policy)
{
g_return_val_if_fail(str != NULL, 0);
if (policy == -1) {
policy = string_policy(str);
}
if (policy == TREAT_STRING_AS_UTF8) {
return g_utf8_strlen(str, -1);
}
else {
/* Assume TREAT_STRING_AS_BYTES: */
return strlen(str);
}
}
int string_width(const char *str, int policy)
{
int len;
g_return_val_if_fail(str != NULL, 0);
if (policy == -1) {
policy = string_policy(str);
}
len = 0;
while (*str != '\0') {
len += string_advance(&str, policy);
}
return len;
}