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+From: david@tethera.net\r
+To: notmuch@notmuchmail.org\r
+Subject: [Patch v3b 3/9] util: add string-util.[ch]\r
+Date: Thu, 6 Dec 2012 21:26:41 -0400\r
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+Cc: David Bremner <bremner@debian.org>\r
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+\r
+From: David Bremner <bremner@debian.org>\r
+\r
+This is to give a home to strtok_len. It's a bit silly to add a header\r
+for one routine, but it needs to be shared between several compilation\r
+units (or at least that's the most natural design).\r
+---\r
+ util/Makefile.local | 3 ++-\r
+ util/string-util.c | 34 ++++++++++++++++++++++++++++++++++\r
+ util/string-util.h | 19 +++++++++++++++++++\r
+ 3 files changed, 55 insertions(+), 1 deletion(-)\r
+ create mode 100644 util/string-util.c\r
+ create mode 100644 util/string-util.h\r
+\r
+diff --git a/util/Makefile.local b/util/Makefile.local\r
+index 3ca623e..a11e35b 100644\r
+--- a/util/Makefile.local\r
++++ b/util/Makefile.local\r
+@@ -3,7 +3,8 @@\r
+ dir := util\r
+ extra_cflags += -I$(srcdir)/$(dir)\r
+ \r
+-libutil_c_srcs := $(dir)/xutil.c $(dir)/error_util.c $(dir)/hex-escape.c\r
++libutil_c_srcs := $(dir)/xutil.c $(dir)/error_util.c $(dir)/hex-escape.c \\r
++ $(dir)/string-util.c\r
+ \r
+ libutil_modules := $(libutil_c_srcs:.c=.o)\r
+ \r
+diff --git a/util/string-util.c b/util/string-util.c\r
+new file mode 100644\r
+index 0000000..44f8cd3\r
+--- /dev/null\r
++++ b/util/string-util.c\r
+@@ -0,0 +1,34 @@\r
++/* string-util.c - Extra or enhanced routines for null terminated strings.\r
++ *\r
++ * Copyright (c) 2012 Jani Nikula\r
++ *\r
++ * This program is free software: you can redistribute it and/or modify\r
++ * it under the terms of the GNU General Public License as published by\r
++ * the Free Software Foundation, either version 3 of the License, or\r
++ * (at your option) any later version.\r
++ *\r
++ * This program is distributed in the hope that it will be useful,\r
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
++ * GNU General Public License for more details.\r
++ *\r
++ * You should have received a copy of the GNU General Public License\r
++ * along with this program. If not, see http://www.gnu.org/licenses/ .\r
++ *\r
++ * Author: Jani Nikula <jani@nikula.org>\r
++ */\r
++\r
++\r
++#include "string-util.h"\r
++\r
++char *\r
++strtok_len (char *s, const char *delim, size_t *len)\r
++{\r
++ /* skip initial delims */\r
++ s += strspn (s, delim);\r
++\r
++ /* length of token */\r
++ *len = strcspn (s, delim);\r
++\r
++ return *len ? s : NULL;\r
++}\r
+diff --git a/util/string-util.h b/util/string-util.h\r
+new file mode 100644\r
+index 0000000..696da40\r
+--- /dev/null\r
++++ b/util/string-util.h\r
+@@ -0,0 +1,19 @@\r
++#ifndef _STRING_UTIL_H\r
++#define _STRING_UTIL_H\r
++\r
++#include <string.h>\r
++\r
++/* like strtok(3), but without state, and doesn't modify s. usage pattern:\r
++ *\r
++ * const char *tok = input;\r
++ * const char *delim = " \t";\r
++ * size_t tok_len = 0;\r
++ *\r
++ * while ((tok = strtok_len (tok + tok_len, delim, &tok_len)) != NULL) {\r
++ * // do stuff with string tok of length tok_len\r
++ * }\r
++ */\r
++\r
++char *strtok_len (char *s, const char *delim, size_t *len);\r
++\r
++#endif\r
+-- \r
+1.7.10.4\r
+\r
projects / notmuch-archives.git / commitdiff