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(look_up_char_class): Take a string length argument.

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Use strncmp, not strcmp and verify that string lengths are the same.
(append_char_class): Update caller.
From Andreas Schwab.
This commit is contained in:
Jim Meyering
1995-05-20 12:08:35 +00:00
parent 9918713e5b
commit e8db76575a
1 changed files with 5 additions and 3 deletions
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src/tr.c
+5 -3
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@@ -560,13 +560,15 @@ unquote (s, len)
in the global char_class_name array. Otherwise, return CC_NO_CLASS. */
static enum Char_class
look_up_char_class (class_str)
look_up_char_class (class_str, len)
unsigned char *class_str;
int len;
{
unsigned int i;
for (i = 0; i < N_CHAR_CLASSES; i++)
if (strcmp ((const char *) class_str, char_class_name[i]) == 0)
if (strncmp ((const char *) class_str, char_class_name[i], len) == 0
&& strlen (char_class_name[i]) == len)
return (enum Char_class) i;
return CC_NO_CLASS;
}
@@ -727,7 +729,7 @@ append_char_class (list, char_class_str, len)
enum Char_class char_class;
struct List_element *new;
char_class = look_up_char_class (char_class_str);
char_class = look_up_char_class (char_class_str, len);
if (char_class == CC_NO_CLASS)
{
char *tmp = make_printable_str (char_class_str, len);