Don't forget to increase run counter.

[libucw.git] / lib / fb-temp.c

diff --git a/lib/fb-temp.c b/lib/fb-temp.c
index 95edf16619020a3d282f6c12a04d5b5b640b3eb3..4bcced6c4ecd56c5d3bac1064845807a09cd5917 100644 (file)
--- a/lib/fb-temp.c
+++ b/lib/fb-temp.c
@@ -1,38 +1,73 @@
 /*
- *     Sherlock Library -- Temporary Fastbufs
+ *     UCW Library -- Temporary Fastbufs
  *
- *     (c) 2002 Martin Mares <mj@ucw.cz>
+ *     (c) 2002--2006 Martin Mares <mj@ucw.cz>
+ *
+ *     This software may be freely distributed and used according to the terms
+ *     of the GNU Lesser General Public License.
  */
 
 #include "lib/lib.h"
 #include "lib/conf.h"
 #include "lib/fastbuf.h"
+#include "lib/threads.h"
 
+#include <stdio.h>
 #include <unistd.h>
 #include <sys/fcntl.h>
 
-static byte *temp_template = "/tmp/temp%d.%d";
+static byte *temp_prefix = "/tmp/temp";
 
-static struct cfitem temp_config[] = {
-  { "Tempfiles",       CT_SECTION,     NULL },
-  { "Template",                CT_STRING,      &temp_template },
-  { NULL,              CT_STOP,        NULL }
+static struct cf_section temp_config = {
+  CF_ITEMS {
+    CF_STRING("Prefix", &temp_prefix),
+    CF_END
+  }
 };
 
-static void CONSTRUCTOR temp_init_config(void)
+static void CONSTRUCTOR temp_global_init(void)
+{
+  cf_declare_section("Tempfiles", &temp_config, 0);
+}
+
+void
+temp_file_name(byte *buf)
 {
-  cf_register(temp_config);
+  struct ucwlib_context *ctx = ucwlib_thread_context();
+  int cnt = ++ctx->temp_counter;
+  int pid = getpid();
+  if (ctx->thread_id == pid)
+    sprintf(buf, "%s%d-%d", temp_prefix, pid, cnt);
+  else
+    sprintf(buf, "%s%d-%d-%d", temp_prefix, pid, ctx->thread_id, cnt);
 }
 
 struct fastbuf *
-bopen_tmp(uns bufsize)
+bopen_tmp(uns buflen)
 {
-  byte buf[256];
+  byte buf[TEMP_FILE_NAME_LEN];
   struct fastbuf *f;
-  static uns temp_counter;
 
-  sprintf(buf, temp_template, (int) getpid(), temp_counter++);
-  f = bopen(buf, O_RDWR | O_CREAT | O_EXCL, bufsize);
-  f->is_temp_file = 1;
+  temp_file_name(buf);
+  f = bopen(buf, O_RDWR | O_CREAT | O_TRUNC, buflen);
+  bconfig(f, BCONFIG_IS_TEMP_FILE, 1);
   return f;
 }
+
+#ifdef TEST
+
+#include "lib/getopt.h"
+
+int main(int argc, char **argv)
+{
+  log_init(NULL);
+  if (cf_getopt(argc, argv, CF_SHORT_OPTS, CF_NO_LONG_OPTS, NULL) >= 0)
+    die("Hey, whaddya want?");
+
+  struct fastbuf *f = bopen_tmp(65536);
+  bputsn(f, "Hello, world!");
+  bclose(f);
+  return 0;
+}
+
+#endif