New functions g_str_has_suffix and g_str_has_prefix.

2002-05-14  Alex Larsson <alexl@redhat.com>

	* glib/gstrfuncs.c:
	* glib/gstrfuncs.h:
	New functions g_str_has_suffix and g_str_has_prefix.

	* tests/string-test.c: (main):
	Test the new functions.

ChangeLog

@@ -1,3 +1,12 @@
+2002-05-14  Alex Larsson <alexl@redhat.com>
+	
+	* glib/gstrfuncs.c: 
+	* glib/gstrfuncs.h:
+	New functions g_str_has_suffix and g_str_has_prefix.
+	
+	* tests/string-test.c: (main):
+	Test the new functions.
+
 Mon May 13 23:20:00 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* autogen.sh (have_gettext): Add a check for GNU gettext.

ChangeLog.pre-2-10

@@ -1,3 +1,12 @@
+2002-05-14  Alex Larsson <alexl@redhat.com>
+	
+	* glib/gstrfuncs.c: 
+	* glib/gstrfuncs.h:
+	New functions g_str_has_suffix and g_str_has_prefix.
+	
+	* tests/string-test.c: (main):
+	Test the new functions.
+
 Mon May 13 23:20:00 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* autogen.sh (have_gettext): Add a check for GNU gettext.

ChangeLog.pre-2-12

@@ -1,3 +1,12 @@
+2002-05-14  Alex Larsson <alexl@redhat.com>
+	
+	* glib/gstrfuncs.c: 
+	* glib/gstrfuncs.h:
+	New functions g_str_has_suffix and g_str_has_prefix.
+	
+	* tests/string-test.c: (main):
+	Test the new functions.
+
 Mon May 13 23:20:00 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* autogen.sh (have_gettext): Add a check for GNU gettext.

ChangeLog.pre-2-2

@@ -1,3 +1,12 @@
+2002-05-14  Alex Larsson <alexl@redhat.com>
+	
+	* glib/gstrfuncs.c: 
+	* glib/gstrfuncs.h:
+	New functions g_str_has_suffix and g_str_has_prefix.
+	
+	* tests/string-test.c: (main):
+	Test the new functions.
+
 Mon May 13 23:20:00 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* autogen.sh (have_gettext): Add a check for GNU gettext.

ChangeLog.pre-2-4

@@ -1,3 +1,12 @@
+2002-05-14  Alex Larsson <alexl@redhat.com>
+	
+	* glib/gstrfuncs.c: 
+	* glib/gstrfuncs.h:
+	New functions g_str_has_suffix and g_str_has_prefix.
+	
+	* tests/string-test.c: (main):
+	Test the new functions.
+
 Mon May 13 23:20:00 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* autogen.sh (have_gettext): Add a check for GNU gettext.

ChangeLog.pre-2-6

@@ -1,3 +1,12 @@
+2002-05-14  Alex Larsson <alexl@redhat.com>
+	
+	* glib/gstrfuncs.c: 
+	* glib/gstrfuncs.h:
+	New functions g_str_has_suffix and g_str_has_prefix.
+	
+	* tests/string-test.c: (main):
+	Test the new functions.
+
 Mon May 13 23:20:00 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* autogen.sh (have_gettext): Add a check for GNU gettext.

ChangeLog.pre-2-8

@@ -1,3 +1,12 @@
+2002-05-14  Alex Larsson <alexl@redhat.com>
+	
+	* glib/gstrfuncs.c: 
+	* glib/gstrfuncs.h:
+	New functions g_str_has_suffix and g_str_has_prefix.
+	
+	* tests/string-test.c: (main):
+	Test the new functions.
+
 Mon May 13 23:20:00 2002  Owen Taylor  <otaylor@redhat.com>
 
 	* autogen.sh (have_gettext): Add a check for GNU gettext.

glib/gstrfuncs.c

@@ -2270,3 +2270,59 @@ g_strrstr_len (const gchar *haystack,
 }
 
 
+/**
+ * g_str_has_suffix:
+ * @str: a nul-terminated string.
+ * @suffix: the nul-terminated suffix to look for.
+ *
+ * Looks whether the string @str ends with @suffix.
+ *
+ * Return value: TRUE if @str end with @suffix, FALSE otherwise.
+ **/
+gboolean
+g_str_has_suffix (const gchar  *str,
+		  const gchar  *suffix)
+{
+  int str_len;
+  int suffix_len;
+  
+  g_return_val_if_fail (str != NULL, FALSE);
+  g_return_val_if_fail (suffix != NULL, FALSE);
+
+  str_len = strlen (str);
+  suffix_len = strlen (suffix);
+
+  if (str_len < suffix_len)
+    return FALSE;
+
+  return strcmp (str + str_len - suffix_len, suffix) == 0;
+}
+
+/**
+ * g_str_has_prefix:
+ * @str: a nul-terminated string.
+ * @prefix: the nul-terminated prefix to look for.
+ *
+ * Looks whether the string @str begins with @prefix.
+ *
+ * Return value: TRUE if @str begins with @prefix, FALSE otherwise.
+ **/
+gboolean
+g_str_has_prefix (const gchar  *str,
+		  const gchar  *prefix)
+{
+  int str_len;
+  int prefix_len;
+  
+  g_return_val_if_fail (str != NULL, FALSE);
+  g_return_val_if_fail (prefix != NULL, FALSE);
+
+  str_len = strlen (str);
+  prefix_len = strlen (prefix);
+
+  if (str_len < prefix_len)
+    return FALSE;
+  
+  return strncmp (str, prefix, prefix_len) == 0;
+}
+

glib/gstrfuncs.h

@@ -116,6 +116,11 @@ gchar *               g_strrstr_len    (const gchar  *haystack,
 					gssize        haystack_len,
 					const gchar  *needle);
 
+gboolean              g_str_has_suffix (const gchar  *str,
+					const gchar  *suffix);
+gboolean              g_str_has_prefix (const gchar  *str,
+					const gchar  *prefix);
+
 /* String to/from double conversion functions */
 
 gdouble	              g_strtod         (const gchar  *nptr,

tests/string-test.c

@@ -210,6 +210,22 @@ main (int   argc,
   g_string_free (string1, TRUE);
   g_string_free (string2, TRUE);
   
+  g_assert (g_str_has_prefix("foobar", "gazonk") == FALSE);
+  g_assert (g_str_has_prefix("xyzzy", "xyzzy") == TRUE);
+  g_assert (g_str_has_prefix("xyzzy", "xy") == TRUE);
+  g_assert (g_str_has_prefix("xyzzy", "") == TRUE);
+  g_assert (g_str_has_prefix("xyz", "xyzzy") == FALSE);
+  g_assert (g_str_has_prefix("", "xyzzy") == FALSE);
+  g_assert (g_str_has_prefix("", "") == TRUE);
+
+  g_assert (g_str_has_suffix("foobar", "gazonk") == FALSE);
+  g_assert (g_str_has_suffix("xyzzy", "xyzzy") == TRUE);
+  g_assert (g_str_has_suffix("xyzzy", "zy") == TRUE);
+  g_assert (g_str_has_suffix("xyzzy", "") == TRUE);
+  g_assert (g_str_has_suffix("zzy", "xyzzy") == FALSE);
+  g_assert (g_str_has_suffix("", "xyzzy") == FALSE);
+  g_assert (g_str_has_suffix("", "") == TRUE);
+
   return 0;
 }