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-rw-r--r--libmailutils/url/get-param.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/libmailutils/url/get-param.c b/libmailutils/url/get-param.c
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+++ b/libmailutils/url/get-param.c
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+/* GNU Mailutils -- a suite of utilities for electronic mail
+ Copyright (C) 2010 Free Software Foundation, Inc.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 3 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General
+ Public License along with this library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+
+#include <mailutils/types.h>
+#include <mailutils/errno.h>
+#include <mailutils/argcv.h>
+#include <mailutils/sys/url.h>
+
+/* field-value pairs accessors */
+int
+mu_url_sget_fvpairs (const mu_url_t url, size_t *fvc, char ***fvp)
+{
+ if (url == NULL)
+ return EINVAL;
+ /* FIXME: no _get_fvpairs method, but the method stuff needs to be rewritten
+ anyway */
+ *fvc = url->fvcount;
+ *fvp = url->fvpairs;
+ return 0;
+}
+
+int
+mu_url_sget_param (const mu_url_t url, const char *param, const char **val)
+{
+ size_t fvc;
+ char **fvp;
+ int status = mu_url_sget_fvpairs (url, &fvc, &fvp);
+
+ if (status)
+ return status;
+
+ if (fvc)
+ {
+ size_t i;
+
+ for (i = 0; i < fvc; i++)
+ {
+ const char *p;
+ char *q;
+
+ for (p = param, q = fvp[i]; *p && *q && *p == *q; p++, q++)
+ ;
+ if (*p == 0)
+ {
+ if (*q == 0)
+ {
+ if (val)
+ *val = q;
+ return 0;
+ }
+ else if (*q == '=')
+ {
+ if (val)
+ *val = q + 1;
+ return 0;
+ }
+ }
+ }
+ }
+
+ return MU_ERR_NOENT;
+}
+
+int
+mu_url_aget_fvpairs (const mu_url_t url, size_t *pfvc, char ***pfvp)
+{
+ size_t fvc, i;
+ char **fvp;
+ char **fvcopy;
+
+ int rc = mu_url_sget_fvpairs (url, &fvc, &fvp);
+ if (rc)
+ return rc;
+
+ fvcopy = calloc (fvc + 1, sizeof (fvcopy[0]));
+ if (!fvcopy)
+ return errno;
+ for (i = 0; i < fvc; i++)
+ {
+ if (!(fvcopy[i] = strdup (fvp[i])))
+ {
+ mu_argcv_free (i, fvcopy);
+ return errno;
+ }
+ }
+ fvcopy[i] = NULL;
+ *pfvc = fvc;
+ *pfvp = fvcopy;
+ return 0;
+}
+
+int
+mu_url_aget_param (const mu_url_t url, const char *param, char **val)
+{
+ const char *s;
+ int status = mu_url_sget_param (url, param, &s);
+
+ if (status == 0)
+ {
+ *val = strdup (s);
+ if (!*val)
+ status = ENOMEM;
+ }
+ return status;
+}
+

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