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authorStef Walter <stefw@gnome.org>2013-04-07 19:39:22 +0200
committerStef Walter <stefw@gnome.org>2013-05-21 11:27:32 +0200
commiteb88be6c0b7ea39a74cd2aa8af33371de4aeb74c (patch)
treee2fb7e953bd564ae9371ed38c011b6331338b0a1 /common
parent7b848defc704cc1fbb47a16b23727583c14b804d (diff)
Pull the argv parsing code into its own file
So it can be used from multiple code paths
Diffstat (limited to 'common')
-rw-r--r--common/Makefile.am1
-rw-r--r--common/argv.c115
-rw-r--r--common/argv.h44
3 files changed, 160 insertions, 0 deletions
diff --git a/common/Makefile.am b/common/Makefile.am
index b583a5c..d7b4439 100644
--- a/common/Makefile.am
+++ b/common/Makefile.am
@@ -16,6 +16,7 @@ noinst_LTLIBRARIES = \
$(NULL)
libp11_common_la_SOURCES = \
+ argv.c argv.h \
attrs.c attrs.h \
array.c array.h \
buffer.c buffer.h \
diff --git a/common/argv.c b/common/argv.c
new file mode 100644
index 0000000..6d91bfa
--- /dev/null
+++ b/common/argv.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2012 Red Hat Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the
+ * following disclaimer.
+ * * Redistributions in binary form must reproduce the
+ * above copyright notice, this list of conditions and
+ * the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ * * The names of contributors to this software may not be
+ * used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * Author: Stef Walter <stefw@redhat.com>
+ */
+
+#include "config.h"
+
+#include "argv.h"
+#include "debug.h"
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+
+bool
+p11_argv_parse (const char *string,
+ void (*sink) (char *, void *),
+ void *argument)
+{
+ char quote = '\0';
+ char *src, *dup, *at, *arg;
+ bool ret = true;
+
+ return_val_if_fail (string != NULL, false);
+ return_val_if_fail (sink != NULL, false);
+
+ src = dup = strdup (string);
+ return_val_if_fail (dup != NULL, false);
+
+ arg = at = src;
+ for (src = dup; *src; src++) {
+
+ /* Matching quote */
+ if (quote == *src) {
+ quote = '\0';
+
+ /* Inside of quotes */
+ } else if (quote != '\0') {
+ if (*src == '\\') {
+ *at++ = *src++;
+ if (!*src) {
+ ret = false;
+ goto done;
+ }
+ if (*src != quote)
+ *at++ = '\\';
+ }
+ *at++ = *src;
+
+ /* Space, not inside of quotes */
+ } else if (isspace (*src)) {
+ *at = 0;
+ sink (arg, argument);
+ arg = at;
+
+ /* Other character outside of quotes */
+ } else {
+ switch (*src) {
+ case '\'':
+ case '"':
+ quote = *src;
+ break;
+ case '\\':
+ *at++ = *src++;
+ if (!*src) {
+ ret = false;
+ goto done;
+ }
+ /* fall through */
+ default:
+ *at++ = *src;
+ break;
+ }
+ }
+ }
+
+
+ if (at != arg) {
+ *at = 0;
+ sink (arg, argument);
+ }
+
+done:
+ free (dup);
+ return ret;
+}
diff --git a/common/argv.h b/common/argv.h
new file mode 100644
index 0000000..8f95490
--- /dev/null
+++ b/common/argv.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2012 Red Hat Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the
+ * following disclaimer.
+ * * Redistributions in binary form must reproduce the
+ * above copyright notice, this list of conditions and
+ * the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ * * The names of contributors to this software may not be
+ * used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * Author: Stef Walter <stefw@redhat.com>
+ */
+
+#ifndef P11_ARGV_H_
+#define P11_ARGV_H_
+
+#include "compat.h"
+
+bool p11_argv_parse (const char *string,
+ void (*sink) (char *, void *),
+ void *argument);
+
+#endif /* P11_ARGV_H_ */