}
+/* HasPrefix returns true if non-NULL s starts with non-NULL prefix. */
+bool HasPrefix(const char *s, const char *prefix)
+{
+ while (*s && *s == *prefix) {
+ s++;
+ prefix++;
+ }
+
+ return *prefix == '\0';
+}
+
+
+/* HasSuffix returns true if non-NULL s ends with non-NULL suffix. */
+bool HasSuffix(const char *s, const char *suffix)
+{
+ size_t ls, lsuf;
+
+ ls = strlen(s);
+ lsuf = strlen(suffix);
+
+ return lsuf <= ls && !strcmp(s + ls - lsuf, suffix);
+}
+
+
/* HasSuffixC returns true if non-NULL string s ends with a c before the
* terminating NUL. */
-bool HasSuffixC(char *s, int c)
+bool HasSuffixC(const char *s, int c)
{
return *s && s[strlen(s) - 1] == c;
}
break for versions with multiple decimal points, etc. */
const float current_version = strtof (VERSION, NULL);
const float old_version =
- context_version && strncmp (context_version, "nmh-", 4) == 0
+ context_version && HasPrefix(context_version, "nmh-")
? strtof (context_version + 4, NULL)
: 99999999;