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+From: Austin Clements <amdragon@MIT.EDU>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH 03/13] sprinter: Add a string_len method\r
+Date: Tue, 24 Jul 2012 22:34:43 -0400\r
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+\r
+This method allows callers to output strings with specific lengths.\r
+It's useful both for strings with embedded NULs (which JSON can\r
+represent, though parser support is apparently spotty), and\r
+non-terminated strings.\r
+---\r
+ sprinter-json.c | 11 +++++++++--\r
+ sprinter-text.c | 11 +++++++++--\r
+ sprinter.h | 1 +\r
+ 3 files changed, 19 insertions(+), 4 deletions(-)\r
+\r
+diff --git a/sprinter-json.c b/sprinter-json.c\r
+index 4649655..2587ca6 100644\r
+--- a/sprinter-json.c\r
++++ b/sprinter-json.c\r
+@@ -89,7 +89,7 @@ json_end (struct sprinter *sp)\r
+ }\r
+ \r
+ static void\r
+-json_string (struct sprinter *sp, const char *val)\r
++json_string_len (struct sprinter *sp, const char *val, size_t len)\r
+ {\r
+ static const char *const escapes[] = {\r
+ ['\"'] = "\\\"", ['\\'] = "\\\\", ['\b'] = "\\b",\r
+@@ -98,7 +98,7 @@ json_string (struct sprinter *sp, const char *val)\r
+ struct sprinter_json *spj = json_begin_value (sp);\r
+ \r
+ fputc ('"', spj->stream);\r
+- for (; *val; ++val) {\r
++ for (; len; ++val, --len) {\r
+ unsigned char ch = *val;\r
+ if (ch < ARRAY_SIZE (escapes) && escapes[ch])\r
+ fputs (escapes[ch], spj->stream);\r
+@@ -111,6 +111,12 @@ json_string (struct sprinter *sp, const char *val)\r
+ }\r
+ \r
+ static void\r
++json_string (struct sprinter *sp, const char *val)\r
++{\r
++ json_string_len (sp, val, strlen (val));\r
++}\r
++\r
++static void\r
+ json_integer (struct sprinter *sp, int val)\r
+ {\r
+ struct sprinter_json *spj = json_begin_value (sp);\r
+@@ -166,6 +172,7 @@ sprinter_json_create (const void *ctx, FILE *stream)\r
+ .begin_list = json_begin_list,\r
+ .end = json_end,\r
+ .string = json_string,\r
++ .string_len = json_string_len,\r
+ .integer = json_integer,\r
+ .boolean = json_boolean,\r
+ .null = json_null,\r
+diff --git a/sprinter-text.c b/sprinter-text.c\r
+index b208840..dfa54b5 100644\r
+--- a/sprinter-text.c\r
++++ b/sprinter-text.c\r
+@@ -25,14 +25,20 @@ struct sprinter_text {\r
+ };\r
+ \r
+ static void\r
+-text_string (struct sprinter *sp, const char *val)\r
++text_string_len (struct sprinter *sp, const char *val, size_t len)\r
+ {\r
+ struct sprinter_text *sptxt = (struct sprinter_text *) sp;\r
+ \r
+ if (sptxt->current_prefix != NULL)\r
+ fprintf (sptxt->stream, "%s:", sptxt->current_prefix);\r
+ \r
+- fputs(val, sptxt->stream);\r
++ fwrite (val, len, 1, sptxt->stream);\r
++}\r
++\r
++static void\r
++text_string (struct sprinter *sp, const char *val)\r
++{\r
++ text_string_len (sp, val, strlen (val));\r
+ }\r
+ \r
+ static void\r
+@@ -105,6 +111,7 @@ sprinter_text_create (const void *ctx, FILE *stream)\r
+ .begin_list = text_begin_list,\r
+ .end = text_end,\r
+ .string = text_string,\r
++ .string_len = text_string_len,\r
+ .integer = text_integer,\r
+ .boolean = text_boolean,\r
+ .null = text_null,\r
+diff --git a/sprinter.h b/sprinter.h\r
+index 6680d41..826a852 100644\r
+--- a/sprinter.h\r
++++ b/sprinter.h\r
+@@ -28,6 +28,7 @@ typedef struct sprinter {\r
+ * For string, the char * must be UTF-8 encoded.\r
+ */\r
+ void (*string) (struct sprinter *, const char *);\r
++ void (*string_len) (struct sprinter *, const char *, size_t);\r
+ void (*integer) (struct sprinter *, int);\r
+ void (*boolean) (struct sprinter *, notmuch_bool_t);\r
+ void (*null) (struct sprinter *);\r
+-- \r
+1.7.10\r
+\r
projects / notmuch-archives.git / commitdiff