[Patch v8 05/18] util/string-util: add strnspn

diff --git a/63/82d57b4ddc56f3ae1e00044a93611f87d2609c b/63/82d57b4ddc56f3ae1e00044a93611f87d2609c
new file mode 100644 (file)
index 0000000..6d4d6ae
--- /dev/null
+++ b/63/82d57b4ddc56f3ae1e00044a93611f87d2609c
@@ -0,0 +1,105 @@
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+From: david@tethera.net\r
+To: notmuch@notmuchmail.org\r
+Subject: [Patch v8 05/18] util/string-util: add strnspn\r
+Date: Fri, 21 Dec 2012 09:08:14 -0400\r
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+From: David Bremner <bremner@debian.org>\r
+\r
+this is like the standard strspn, but with a limit on how much of a\r
+prefix is tested.\r
+---\r
+ util/string-util.c |   12 ++++++++++++\r
+ util/string-util.h |    5 +++++\r
+ 2 files changed, 17 insertions(+)\r
+\r
+diff --git a/util/string-util.c b/util/string-util.c\r
+index b9039f4..7d5deaf 100644\r
+--- a/util/string-util.c\r
++++ b/util/string-util.c\r
+@@ -35,6 +35,18 @@ strtok_len (char *s, const char *delim, size_t *len)\r
+ }\r
+ \r
+ \r
++size_t\r
++strnspn (const char *str, size_t len,  const char *accept)\r
++{\r
++    size_t count;\r
++\r
++    for (count = 0; count < len && str[count] != '\0'; count++) {\r
++      if (strchr (accept, str[count]) == NULL)\r
++          break;\r
++    }\r
++    return count;\r
++}\r
++\r
+ int\r
+ double_quote_str (void *ctx, const char *str,\r
+                 char **buf, size_t *len)\r
+diff --git a/util/string-util.h b/util/string-util.h\r
+index 4fc7942..b46f981 100644\r
+--- a/util/string-util.h\r
++++ b/util/string-util.h\r
+@@ -19,6 +19,11 @@\r
+ \r
+ char *strtok_len (char *s, const char *delim, size_t *len);\r
+ \r
++/* like strspn, but consider at most `n' characters of 's'. `accept'\r
++ * must be null terminated; `s' may be null terminated.\r
++ */\r
++size_t strnspn (const char *s, size_t n, const char *accept);\r
++\r
+ /* Copy str to dest, surrounding with double quotes.\r
+  * Any internal double-quotes are doubled, i.e. a"b -> "a""b"\r
+  *\r
+-- \r
+1.7.10.4\r
+\r