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fix a bug of fontDoesMatchFamily

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Vincent Wei
2019-03-03 16:51:49 +08:00
parent a04ae43bdb
commit 2c010cdbeb
1 changed files with 10 additions and 7 deletions
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17
src/font/fontname.c
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@@ -184,13 +184,15 @@ static const char *my_strstr(const char *haystack, const char *needle)
*/
BOOL fontDoesMatchFamily (const char* name, const char* family)
{
// make sure there is a redundant space for the tail character.
char family_part[LEN_LOGFONT_FAMILY_FILED + 2];
char family_request[LEN_LOGFONT_NAME_FIELD + 2];
// make sure there is a redundant space for the head and tail characters.
char family_part[LEN_LOGFONT_FAMILY_FILED + 3];
char family_request[LEN_LOGFONT_NAME_FIELD + 3];
int i;
size_t len;
if (!get_family_part_lower(name, family_part)) {
// add ',' to the head
family_part[0] = ',';
if (!get_family_part_lower(name, family_part + 1)) {
return FALSE;
}
@@ -199,13 +201,14 @@ BOOL fontDoesMatchFamily (const char* name, const char* family)
family_part[len] = ',';
family_part[len + 1] = '\0';
// lowercase for family_request
// make family (lowercase)
family_request[0] = ',';
i = 0;
while (family[i] && i < LEN_LOGFONT_NAME_FIELD) {
family_request[i] = tolower(family[i]);
family_request[i + 1] = tolower(family[i]);
i++;
}
family_request[i] = '\0';
family_request[i + 1] = '\0';
// add ',' to the tail
len = strlen(family_request);