Add string comparison.

1 files changed, 12 insertions, 0 deletions

diff --git a/cstring/include/cstring.h b/cstring/include/cstring.h
index 644f1e1..ae650eb 100644
--- a/cstring/include/cstring.h
+++ b/cstring/include/cstring.h
@@ -3,6 +3,7 @@
 
 #include <assert.h>
 #include <bsd/string.h>
+#include <stdbool.h>
 
 /// A fixed-size string.
 /// The string is null-terminated so that it can be used with the usual C APIs.
@@ -56,6 +57,17 @@
                                                                                \
   static inline STRING STRING##_concat_path(STRING a, STRING b) {              \
     return STRING##_concat(STRING##_concat(a, STRING##_make("/")), b);         \
+  }                                                                            \
+                                                                               \
+  static inline bool STRING##_eq(STRING a, STRING b) {                         \
+    if (a.length != b.length) {                                                \
+      return false;                                                            \
+    }                                                                          \
+    return strncmp(a.str, b.str, a.length) == 0;                               \
+  }                                                                            \
+                                                                               \
+  static inline bool STRING##_eq_cstr(STRING a, const char* b) {               \
+    return strncmp(a.str, b, a.length) == 0;                                   \
   }
 
 DEF_STRING(sstring, 32)    // Small.