Added support for compiling the parser code with Microsoft Visual C compiler.

For hiredis-py and others support on windows.

read.c

@@ -33,7 +33,9 @@
 #include "fmacros.h"
 #include <string.h>
 #include <stdlib.h>
+#ifndef _MSC_VER
 #include <unistd.h>
+#endif
 #include <assert.h>
 #include <errno.h>
 #include <ctype.h>

sds.c

@@ -103,7 +103,7 @@ void sdsfree(sds s) {
  * the output will be "6" as the string was modified but the logical length
  * remains 6 bytes. */
 void sdsupdatelen(sds s) {
-    struct sdshdr *sh = (void*) (s-sizeof *sh);;
+    struct sdshdr *sh = (void*) (s-sizeof *sh);
     int reallen = strlen(s);
     sh->free += (sh->len-reallen);
     sh->len = reallen;
@@ -114,7 +114,7 @@ void sdsupdatelen(sds s) {
  * so that next append operations will not require allocations up to the
  * number of bytes previously available. */
 void sdsclear(sds s) {
-    struct sdshdr *sh = (void*) (s-sizeof *sh);;
+    struct sdshdr *sh = (void*) (s-sizeof *sh);
     sh->free += sh->len;
     sh->len = 0;
     sh->buf[0] = '\0';
@@ -133,7 +133,7 @@ sds sdsMakeRoomFor(sds s, size_t addlen) {
 
     if (free >= addlen) return s;
     len = sdslen(s);
-    sh = (void*) (s-sizeof *sh);;
+    sh = (void*) (s-sizeof *sh);
     newlen = (len+addlen);
     if (newlen < SDS_MAX_PREALLOC)
         newlen *= 2;
@@ -155,7 +155,7 @@ sds sdsMakeRoomFor(sds s, size_t addlen) {
 sds sdsRemoveFreeSpace(sds s) {
     struct sdshdr *sh;
 
-    sh = (void*) (s-sizeof *sh);;
+    sh = (void*) (s-sizeof *sh);
     sh = realloc(sh, sizeof *sh+sh->len+1);
     sh->free = 0;
     return sh->buf;
@@ -169,7 +169,7 @@ sds sdsRemoveFreeSpace(sds s) {
  * 4) The implicit null term.
  */
 size_t sdsAllocSize(sds s) {
-    struct sdshdr *sh = (void*) (s-sizeof *sh);;
+    struct sdshdr *sh = (void*) (s-sizeof *sh);
 
     return sizeof(*sh)+sh->len+sh->free+1;
 }
@@ -198,7 +198,7 @@ size_t sdsAllocSize(sds s) {
  * sdsIncrLen(s, nread);
  */
 void sdsIncrLen(sds s, int incr) {
-    struct sdshdr *sh = (void*) (s-sizeof *sh);;
+    struct sdshdr *sh = (void*) (s-sizeof *sh);
 
     assert(sh->free >= incr);
     sh->len += incr;
@@ -240,7 +240,7 @@ sds sdscatlen(sds s, const void *t, size_t len) {
 
     s = sdsMakeRoomFor(s,len);
     if (s == NULL) return NULL;
-    sh = (void*) (s-sizeof *sh);;
+    sh = (void*) (s-sizeof *sh);
     memcpy(s+curlen, t, len);
     sh->len = curlen+len;
     sh->free = sh->free-len;
@@ -267,13 +267,13 @@ sds sdscatsds(sds s, const sds t) {
 /* Destructively modify the sds string 's' to hold the specified binary
  * safe string pointed by 't' of length 'len' bytes. */
 sds sdscpylen(sds s, const char *t, size_t len) {
-    struct sdshdr *sh = (void*) (s-sizeof *sh);;
+    struct sdshdr *sh = (void*) (s-sizeof *sh);
     size_t totlen = sh->free+sh->len;
 
     if (totlen < len) {
         s = sdsMakeRoomFor(s,len-sh->len);
         if (s == NULL) return NULL;
-        sh = (void*) (s-sizeof *sh);;
+        sh = (void*) (s-sizeof *sh);
         totlen = sh->free+sh->len;
     }
     memcpy(s, t, len);
@@ -541,7 +541,7 @@ sds sdscatfmt(sds s, char const *fmt, ...) {
  * Output will be just "Hello World".
  */
 void sdstrim(sds s, const char *cset) {
-    struct sdshdr *sh = (void*) (s-sizeof *sh);;
+    struct sdshdr *sh = (void*) (s-sizeof *sh);
     char *start, *end, *sp, *ep;
     size_t len;
 
@@ -573,7 +573,7 @@ void sdstrim(sds s, const char *cset) {
  * sdsrange(s,1,-1); => "ello World"
  */
 void sdsrange(sds s, int start, int end) {
-    struct sdshdr *sh = (void*) (s-sizeof *sh);;
+    struct sdshdr *sh = (void*) (s-sizeof *sh);
     size_t newlen, len = sdslen(s);
 
     if (len == 0) return;

sds.h

@@ -35,6 +35,9 @@
 
 #include <sys/types.h>
 #include <stdarg.h>
+#ifdef _MSC_VER
+#include "win32.h"
+#endif
 
 typedef char *sds;
 

win32.h

@@ -0,0 +1,42 @@
+#ifndef _WIN32_HELPER_INCLUDE
+#define _WIN32_HELPER_INCLUDE
+#ifdef _MSC_VER
+
+#ifndef inline
+#define inline __inline
+#endif
+
+#ifndef va_copy
+#define va_copy(d,s) ((d) = (s))
+#endif
+
+#ifndef snprintf
+#define snprintf c99_snprintf
+
+__inline int c99_vsnprintf(char* str, size_t size, const char* format, va_list ap)
+{
+    int count = -1;
+
+    if (size != 0)
+        count = _vsnprintf_s(str, size, _TRUNCATE, format, ap);
+    if (count == -1)
+        count = _vscprintf(format, ap);
+
+    return count;
+}
+
+__inline int c99_snprintf(char* str, size_t size, const char* format, ...)
+{
+    int count;
+    va_list ap;
+
+    va_start(ap, format);
+    count = c99_vsnprintf(str, size, format, ap);
+    va_end(ap);
+
+    return count;
+}
+#endif
+
+#endif
+#endif