Add utility function

diff --git a/ext/standard/file.c b/ext/standard/file.c
index 544c531f94b410d7871e38dc77ce73c672aeb268..26653f80a3ee1fce88eeb4d661dda388292ff2b0 100644 (file)
--- a/ext/standard/file.c
+++ b/ext/standard/file.c
@@ -2072,6 +2072,36 @@ PHP_FUNCTION(fd_isset)
 
 #endif
 
+/* Function reads all data from file or socket and puts it into the buffer */
+size_t php_fread_all(char **buf, int socket, FILE *fp, int issock) {
+       size_t ret;
+       char *ptr;
+       size_t len = 0, max_len;
+       int step = PHP_FSOCK_CHUNK_SIZE;
+       int min_room = PHP_FSOCK_CHUNK_SIZE/4;
+       
+       ptr = *buf = emalloc(step);
+       max_len = step;
+
+       while(ret = FP_FREAD(ptr, max_len - len, socket, fp, issock)) {
+               len += ret;
+               if(len + min_room >= max_len) {
+                       *buf = erealloc(*buf, max_len + step);
+                       max_len += step;
+                       ptr = *buf + len;
+               }
+       }
+
+       if(len) {
+               *buf = erealloc(*buf, len);
+       } else {
+               efree(*buf);
+               *buf = NULL;
+       }
+
+       return len;
+}
+
 /*
  * Local variables:
  * tab-width: 4