Merge tag 'debian/1.8.5p2-1' into squeeze

[debian/sudo] / common / atobool.c

diff --git a/common/atobool.c b/common/atobool.c
new file mode 100644 (file)
index 0000000..6d6b502
--- /dev/null
+++ b/common/atobool.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <sys/param.h>
+
+#include <stdio.h>
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+#  include <stdlib.h>
+# endif
+#endif /* STDC_HEADERS */
+#ifdef HAVE_STRING_H
+# if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
+#  include <memory.h>
+# endif
+# include <string.h>
+#endif /* HAVE_STRING_H */
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif /* HAVE_STRINGS_H */
+
+#include "missing.h"
+#include "sudo_debug.h"
+
+int
+atobool(const char *str)
+{
+    debug_decl(atobool, SUDO_DEBUG_UTIL)
+
+    switch (*str) {
+       case '0':
+       case '1':
+           if (str[1] == '\0')
+               return *str - '0';
+           break;
+       case 'y':
+       case 'Y':
+           if (strcasecmp(str, "yes") == 0)
+               return 1;
+           break;
+       case 't':
+       case 'T':
+           if (strcasecmp(str, "true") == 0)
+               return 1;
+           break;
+       case 'o':
+       case 'O':
+           if (strcasecmp(str, "on") == 0)
+               return 1;
+           if (strcasecmp(str, "off") == 0)
+               return 0;
+           break;
+       case 'n':
+       case 'N':
+           if (strcasecmp(str, "no") == 0)
+               return 0;
+           break;
+       case 'f':
+       case 'F':
+           if (strcasecmp(str, "false") == 0)
+               return 0;
+           break;
+    }
+    debug_return_int(-1);
+}