* Switch sponge to a C implementation by mithandir.

* Build dep on docbook-xml.

1 files changed, 91 insertions, 0 deletions

diff --git a/sponge.c b/sponge.c
new file mode 100644
index 0000000..db5e04e
--- /dev/null
+++ b/sponge.c
@@ -0,0 +1,91 @@
+/*
+ *  sponge.c - read in all available info from stdin, then output it to
+ *  file named on the command line
+ *
+ *  Copyright ©  2006  Tollef Fog Heen
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  version 2 as published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+
+void usage() {
+  printf("sponge <file>: suck in all input from stdin and write it to <file>");
+  exit(0);
+}
+
+int main(int argc, char **argv) {
+  char *buf, *bufstart;
+  size_t bufsize = 8192;
+  size_t bufused = 0;
+  ssize_t i = 0;
+  int outfd;
+  if (argc != 2) {
+    usage();
+  }
+  
+  bufstart = buf = malloc(bufsize);
+  if (!buf) {
+    perror("malloc");
+    exit(1);
+  }
+
+  while ((i = read(0, buf, bufsize - bufused)) > 0) {
+    bufused = bufused+i;
+    if (bufused == bufsize) {
+      bufsize *= 2;
+      bufstart = realloc(bufstart, bufsize);
+      if (!bufstart) {
+        perror("realloc");
+        exit(1);
+      }
+
+      buf = bufstart + bufused;
+    }
+  }
+  if (i == -1) {
+    perror("read");
+    exit(1);
+  }
+  
+  outfd = open(argv[1], O_CREAT | O_TRUNC | O_WRONLY, 
+               0666);
+  if (outfd == -1) {
+    fprintf(stderr, "Can't open %s: %s\n", argv[1], strerror(errno));
+    exit(1);
+  }
+
+  i = write(outfd, bufstart, bufused);
+  if (i == -1) {
+    perror("write");
+    exit(1);
+  }
+
+  i = close(outfd);
+  if (i == -1) {
+    perror("close");
+    exit(1);
+  }
+
+  return 0;
+}