Add helper path_is_absolute()

libkmod/libkmod-private.h

@@ -116,6 +116,7 @@ ssize_t read_str_safe(int fd, char *buf, size_t buflen) __must_check __attribute
 int read_str_long(int fd, long *value, int base) __must_check __attribute__((nonnull(2)));
 int read_str_ulong(int fd, unsigned long *value, int base) __must_check __attribute__((nonnull(2)));
 char *strchr_replace(char *s, int c, char r);
+bool path_is_absolute(const char *p) __must_check __attribute__((nonnull(1)));
 
 
 #endif

libkmod/libkmod-util.c

@@ -214,3 +214,10 @@ char *strchr_replace(char *s, int c, char r)
 
 	return s;
 }
+
+bool path_is_absolute(const char *p)
+{
+	assert(p != NULL);
+
+	return p[0] == '/';
+}