[asterisk-commits] dlee: branch dlee/string-ops r381808 - in /team/dlee/string-ops: include/aste...

[SVN commits to the Asterisk project]

Author: dlee
Date: Tue Feb 19 16:47:33 2013
New Revision: 381808

URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=381808
Log:
Adding ast_ends_with and ast_begins_with

Modified:
    team/dlee/string-ops/include/asterisk/strings.h
    team/dlee/string-ops/tests/test_strings.c

Modified: team/dlee/string-ops/include/asterisk/strings.h
URL: http://svnview.digium.com/svn/asterisk/team/dlee/string-ops/include/asterisk/strings.h?view=diff&rev=381808&r1=381807&r2=381808
==============================================================================
--- team/dlee/string-ops/include/asterisk/strings.h (original)
+++ team/dlee/string-ops/include/asterisk/strings.h Tue Feb 19 16:47:33 2013
@@ -82,6 +82,48 @@
  */
 #define S_COR(a, b, c) ({typeof(&((b)[0])) __x = (b); (a) && !ast_strlen_zero(__x) ? (__x) : (c);})
 
+/*
+  \brief Checks whether a string begins with another.
+  \since 12.0.0
+  \param str String to check.
+  \param prefix Prefix to look for.
+  \param 1 if \a str begins with \a prefix, 0 otherwise.
+ */
+static int force_inline attribute_pure ast_begins_with(const char *str, const char *prefix)
+{
+	ast_assert(str != NULL);
+	ast_assert(prefix != NULL);
+	while (*str == *prefix && *prefix != '\0') {
+		++str;
+		++prefix;
+	}
+	return *prefix == '\0';
+}
+
+/*
+  \brief Checks whether a string ends with another.
+  \since 12.0.0
+  \param str String to check.
+  \param suffix Suffix to look for.
+  \param 1 if \a str ends with \a suffix, 0 otherwise.
+ */
+static int force_inline attribute_pure ast_ends_with(const char *str, const char *suffix)
+{
+	size_t str_len;
+	size_t suffix_len;
+
+	ast_assert(str != NULL);
+	ast_assert(suffix != NULL);
+	str_len = strlen(str);
+	suffix_len = strlen(suffix);
+
+	if (suffix_len > str_len) {
+		return 0;
+	}
+
+	return strcmp(str + str_len - suffix_len, suffix) == 0;
+}
+
 /*!
   \brief Gets a pointer to the first non-whitespace character in a string.
   \param str the input string

Modified: team/dlee/string-ops/tests/test_strings.c
URL: http://svnview.digium.com/svn/asterisk/team/dlee/string-ops/tests/test_strings.c?view=diff&rev=381808&r1=381807&r2=381808
==============================================================================
--- team/dlee/string-ops/tests/test_strings.c (original)
+++ team/dlee/string-ops/tests/test_strings.c Tue Feb 19 16:47:33 2013
@@ -251,15 +251,78 @@
 	return res;
 }
 
+AST_TEST_DEFINE(begins_with_test)
+{
+	switch (cmd) {
+	case TEST_INIT:
+		info->name = "begins_with";
+		info->category = "/main/strings/";
+		info->summary = "Test ast_begins_with";
+		info->description = "Test ast_begins_with";
+		return AST_TEST_NOT_RUN;
+	case TEST_EXECUTE:
+		break;
+	}
+
+	// prefixes
+	ast_test_validate(test, 1 == ast_begins_with("foobar", "foobar"));
+	ast_test_validate(test, 1 == ast_begins_with("foobar", "foo"));
+	ast_test_validate(test, 1 == ast_begins_with("foobar", ""));
+	ast_test_validate(test, 1 == ast_begins_with("", ""));
+
+	// not prefixes
+	ast_test_validate(test, 0 == ast_begins_with("foobar", "bang"));
+	ast_test_validate(test, 0 == ast_begins_with("foobar", "foobat"));
+	ast_test_validate(test, 0 == ast_begins_with("boo", "boom"));
+	ast_test_validate(test, 0 == ast_begins_with("", "blitz"));
+
+	// nothing failed; we're all good!
+	return AST_TEST_PASS;
+}
+
+AST_TEST_DEFINE(ends_with_test)
+{
+	switch (cmd) {
+	case TEST_INIT:
+		info->name = "ends_with";
+		info->category = "/main/strings/";
+		info->summary = "Test ast_ends_with";
+		info->description = "Test ast_ends_with";
+		return AST_TEST_NOT_RUN;
+	case TEST_EXECUTE:
+		break;
+	}
+
+	// prefixes
+	ast_test_validate(test, 1 == ast_ends_with("foobar", "foobar"));
+	ast_test_validate(test, 1 == ast_ends_with("foobar", "bar"));
+	ast_test_validate(test, 1 == ast_ends_with("foobar", ""));
+	ast_test_validate(test, 1 == ast_ends_with("", ""));
+
+	// not suffixes
+	ast_test_validate(test, 0 == ast_ends_with("bar", "bbar"));
+	ast_test_validate(test, 0 == ast_ends_with("foobar", "bang"));
+	ast_test_validate(test, 0 == ast_ends_with("foobar", "foobat"));
+	ast_test_validate(test, 0 == ast_ends_with("boo", "boom"));
+	ast_test_validate(test, 0 == ast_ends_with("", "blitz"));
+
+	// nothing failed; we're all good!
+	return AST_TEST_PASS;
+}
+
 static int unload_module(void)
 {
 	AST_TEST_UNREGISTER(str_test);
+	AST_TEST_UNREGISTER(begins_with_test);
+	AST_TEST_UNREGISTER(ends_with_test);
 	return 0;
 }
 
 static int load_module(void)
 {
 	AST_TEST_REGISTER(str_test);
+	AST_TEST_REGISTER(begins_with_test);
+	AST_TEST_REGISTER(ends_with_test);
 	return AST_MODULE_LOAD_SUCCESS;
 }