X-Git-Url: http://git.madism.org/?p=apps%2Fmadmutt.git;a=blobdiff_plain;f=lib-lib%2Fstr.h;h=86fd7584a5d87f6a1a7d1112e9cefda51af3af48;hp=0136569520486f3e5fc8d4ded9a6a461117412f3;hb=6729a8ab646a00a661858b7ac7ee21f770bff3d3;hpb=84dadd88f9d900c76451ac97b74c9187fab0dd09

diff --git a/lib-lib/str.h b/lib-lib/str.h
index 0136569..86fd758 100644
--- a/lib-lib/str.h
+++ b/lib-lib/str.h
@@ -209,6 +209,28 @@ ssize_t m_strwidth(const char *s);
 /* comparisons                                                              */
 /****************************************************************************/
 
+/** \brief Tells whether s begins with p.
+ *
+ * \param[in]  s     the input string
+ * \param[in]  p     the prefix
+ * \param[out] pp    position in s
+ *
+ * \return 1 if a match is found, 0 otherwise.
+ */
+static inline int m_strstart(const char *s, const char *p, const char **pp)
+{
+    if (!s)
+        return 0;
+
+    while (*p) {
+        if (*s++ != *p++)
+            return 0;
+    }
+    if (pp)
+        *pp = s;
+    return 1;
+}
+
 /** \brief \c NULL resistant strcmp.
  * \param[in]  a     the first string.
  * \param[in]  b     the second string.