* lib/string.in.h (str_endswith): New declaration.
* lib/str_endswith.c: New file.
* m4/string_h.m4 (gl_STRING_H_REQUIRE_DEFAULTS): Initialize
GNULIB_STR_ENDSWITH.
* modules/string-h (Makefile.am): Substitute GNULIB_STR_ENDSWITH.
* modules/str_endswith: New file.
+2025-01-03 Bruno Haible <bruno@clisp.org>
+
+ str_endswith: New module.
+ * lib/string.in.h (str_endswith): New declaration.
+ * lib/str_endswith.c: New file.
+ * m4/string_h.m4 (gl_STRING_H_REQUIRE_DEFAULTS): Initialize
+ GNULIB_STR_ENDSWITH.
+ * modules/string-h (Makefile.am): Substitute GNULIB_STR_ENDSWITH.
+ * modules/str_endswith: New file.
+
2025-01-03 Bruno Haible <bruno@clisp.org>
str_startswith: Add tests.
--- /dev/null
+/* str_endswith function.
+ Copyright (C) 2025 Free Software Foundation, Inc.
+
+ This file is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation, either version 3 of the
+ License, or (at your option) any later version.
+
+ This file is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2025. */
+
+#include "config.h"
+
+/* Specification. */
+#include <string.h>
+
+
+int
+str_endswith (const char *string, const char *suffix)
+{
+ size_t len = strlen (string);
+ size_t n = strlen (suffix);
+ return len >= n && strcmp (string + len - n, suffix) == 0;
+}
_GL_ARG_NONNULL ((1, 2));
#endif
+#if @GNULIB_STR_ENDSWITH@
+/* Returns true if STRING ends with SUFFIX.
+ Returns false otherwise. */
+_GL_EXTERN_C int str_endswith (const char *string, const char *prefix)
+ _GL_ATTRIBUTE_PURE
+ _GL_ARG_NONNULL ((1, 2));
+#endif
+
#if @GNULIB_MBSLEN@
/* Return the number of multibyte characters in the character string STRING.
This considers multibyte characters, unlike strlen, which counts bytes. */
# string_h.m4
-# serial 40
+# serial 41
dnl Copyright (C) 2007-2025 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRCASESTR])
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRTOK_R])
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STR_STARTSWITH])
+ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STR_ENDSWITH])
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBSLEN])
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBSNLEN])
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBSCHR])
--- /dev/null
+Description:
+str_endswith() function: test whether a string ends with a given suffix.
+
+Files:
+lib/str_endswith.c
+
+Depends-on:
+string-h
+
+configure.ac:
+gl_STRING_MODULE_INDICATOR([str_endswith])
+
+Makefile.am:
+lib_SOURCES += str_endswith.c
+
+Include:
+<string.h>
+
+License:
+LGPLv2+
+
+Maintainer:
+all
-e 's/@''GNULIB_STRSTR''@/$(GNULIB_STRSTR)/g' \
-e 's/@''GNULIB_STRCASESTR''@/$(GNULIB_STRCASESTR)/g' \
-e 's/@''GNULIB_STRTOK_R''@/$(GNULIB_STRTOK_R)/g' \
+ -e 's/@''GNULIB_STR_ENDSWITH''@/$(GNULIB_STR_ENDSWITH)/g' \
-e 's/@''GNULIB_STR_STARTSWITH''@/$(GNULIB_STR_STARTSWITH)/g' \
-e 's/@''GNULIB_STRERROR''@/$(GNULIB_STRERROR)/g' \
-e 's/@''GNULIB_STRERROR_R''@/$(GNULIB_STRERROR_R)/g' \