summaryrefslogtreecommitdiff
path: root/libmailutils/url/get-param.c
blob: 57de0d1a26666963f8c1f5939fe876f59fa07098 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/* GNU Mailutils -- a suite of utilities for electronic mail
   Copyright (C) 2010, 2011 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;
}

Return to:

Send suggestions and report system problems to the System administrator.