Mercurial > trustbridge

annotate common/strhelp.c @ 182:6c3a089d3265

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add test for str_base64_decode as i suspect it to have a bug
author Andre Heinecke <aheinecke@intevation.de>
date Tue, 25 Mar 2014 17:17:41 +0000
parents bf4bfd8843bd
children 4def8b263dd3
rev   line source
134
5f830969e4a1 Added missing include.
Sascha Wilde <wilde@intevation.de>
parents: 133
diff changeset
1 #include <ctype.h>
131
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
2 #include <stdbool.h>
59
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
3 #include <stdio.h>
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
4 #include <stdlib.h>
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
5 #include <string.h>
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
6 #include <assert.h>
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
7
160
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
8 #include <polarssl/base64.h>
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
9
143
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
10 /* Remarks regarding the "Flawfinder: ignore" comments in this file:
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
11 *
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
12 * - strlen:
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
13 *
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
14 * It's true that strlen might crash if input is not null
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
15 * terminated. But by design there is not safe way to get the
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
16 * length of an string in C, and defining an additional length
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
17 * parameter for string parameter will only transfere the problem to
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
18 * the caller.
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
19 */
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
20
59
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
21 static void
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
22 out_of_core(void)
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
23 {
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
24 fputs("\nfatal: out of memory\n", stderr);
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
25 exit(2);
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
26 }
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
27 void *
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
28 xmalloc( size_t n )
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
29 {
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
30 void *p = malloc( n );
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
31 if( !p )
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
32 out_of_core();
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
33 return p;
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
34 }
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
35
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
36 void *
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
37 xrealloc( void *a, size_t n )
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
38 {
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
39 void *p = realloc( a, n );
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
40 if( !p )
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
41 out_of_core();
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
42 return p;
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
43 }
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
44
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
45 char *
60
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
46 xstrndup( const char *string, const size_t len )
59
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
47 {
60
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
48 char *p = xmalloc( len + 1 );
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
49 memcpy( p, string, len );
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
50 p[len] = '\0';
59
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
51 return p;
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
52 }
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
53
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
54 unsigned int
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
55 strv_length (char **str_array)
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
56 {
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
57 unsigned int i = 0;
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
58
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
59 if (!str_array)
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
60 return 0;
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
61
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
62 while (str_array[i])
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
63 ++i;
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
64
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
65 return i;
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
66 }
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
67
116
c602d8cfa619 Refactoring: unified naming of string vector functions.
Sascha Wilde <wilde@intevation.de>
parents: 91
diff changeset
68 void strv_append (char ***pArray, const char *string, const size_t len)
59
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
69 {
60
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
70 unsigned int old_len = 0;
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
71
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
72 if (!*pArray) {
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
73 *pArray = xmalloc(2 * sizeof(char*));
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
74 (*pArray)[0] = xstrndup(string, len);
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
75 (*pArray)[1] = NULL;
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
76 return;
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
77 }
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
78 old_len = strv_length(*pArray);
59
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
79 *pArray = xrealloc(*pArray, sizeof(char**) * (old_len + 2));
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
80
60
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
81 (*pArray)[old_len] = xstrndup(string, len);
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
82 (*pArray)[old_len + 1] = NULL;
59
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
83 }
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
84
91
80ab2168760f Also add output size handling to str_append_str
Andre Heinecke <aheinecke@intevation.de>
parents: 63
diff changeset
85 void
80ab2168760f Also add output size handling to str_append_str
Andre Heinecke <aheinecke@intevation.de>
parents: 63
diff changeset
86 str_append_str(char **pDst, size_t *dst_len, const char *appendage, const size_t len)
59
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
87 {
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
88 if (!appendage)
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
89 return;
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
90
91
80ab2168760f Also add output size handling to str_append_str
Andre Heinecke <aheinecke@intevation.de>
parents: 63
diff changeset
91 if (!(*pDst)) {
60
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
92 *pDst = xstrndup(appendage, len);
91
80ab2168760f Also add output size handling to str_append_str
Andre Heinecke <aheinecke@intevation.de>
parents: 63
diff changeset
93 *dst_len = len;
60
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
94 } else {
91
80ab2168760f Also add output size handling to str_append_str
Andre Heinecke <aheinecke@intevation.de>
parents: 63
diff changeset
95 size_t new_size = (*dst_len) + len + 1;
80ab2168760f Also add output size handling to str_append_str
Andre Heinecke <aheinecke@intevation.de>
parents: 63
diff changeset
96 char *p_old = *pDst;
80ab2168760f Also add output size handling to str_append_str
Andre Heinecke <aheinecke@intevation.de>
parents: 63
diff changeset
97 *pDst = xmalloc(new_size);
80ab2168760f Also add output size handling to str_append_str
Andre Heinecke <aheinecke@intevation.de>
parents: 63
diff changeset
98 strncpy(*pDst, p_old, *dst_len);
80ab2168760f Also add output size handling to str_append_str
Andre Heinecke <aheinecke@intevation.de>
parents: 63
diff changeset
99 strncpy(*pDst + *dst_len, appendage, len);
80ab2168760f Also add output size handling to str_append_str
Andre Heinecke <aheinecke@intevation.de>
parents: 63
diff changeset
100 *dst_len = new_size - 1;
80ab2168760f Also add output size handling to str_append_str
Andre Heinecke <aheinecke@intevation.de>
parents: 63
diff changeset
101 (*pDst)[*dst_len] = '\0';
80ab2168760f Also add output size handling to str_append_str
Andre Heinecke <aheinecke@intevation.de>
parents: 63
diff changeset
102 free (p_old);
60
6acb1dae6185 Use strn functions and improve error handling.
Andre Heinecke <aheinecke@intevation.de>
parents: 59
diff changeset
103 }
59
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
104 }
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
105
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
106 void
116
c602d8cfa619 Refactoring: unified naming of string vector functions.
Sascha Wilde <wilde@intevation.de>
parents: 91
diff changeset
107 strv_free (char **str_array)
59
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
108 {
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
109 if (str_array)
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
110 {
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
111 int i;
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
112
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
113 for (i = 0; str_array[i] != NULL; i++)
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
114 free (str_array[i]);
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
115
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
116 free (str_array);
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
117 }
3f6378647371 Start work on cinst. Strhelp new helpers to work with C String
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
118 }
131
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
119
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
120 bool
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
121 str_equal (char *s1, char *s2)
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
122 {
143
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
123 size_t l1 = strlen(s1); /* Flawfinder: ignore */
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
124 size_t l2 = strlen(s2); /* Flawfinder: ignore */
131
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
125 if ((l1 == l2) &&
136
5fa4791d6d0e Replaced unnecessary strncmp with strcmp.
Sascha Wilde <wilde@intevation.de>
parents: 135
diff changeset
126 (strcmp(s1, s2) == 0))
131
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
127 return true;
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
128 else
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
129 return false;
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
130 }
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
131
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
132 bool
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
133 str_starts_with (char *s1, char *s2)
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
134 {
143
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
135 size_t l2 = strlen(s2); /* Flawfinder: ignore */
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
136 if (strncmp(s1, s2, l2) == 0)
131
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
137 return true;
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
138 else
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
139 return false;
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
140 }
133
c719d3fdbc15 Added functrion to trim white space from string.
Sascha Wilde <wilde@intevation.de>
parents: 131
diff changeset
141
c719d3fdbc15 Added functrion to trim white space from string.
Sascha Wilde <wilde@intevation.de>
parents: 131
diff changeset
142 void
c719d3fdbc15 Added functrion to trim white space from string.
Sascha Wilde <wilde@intevation.de>
parents: 131
diff changeset
143 str_trim (char **s)
c719d3fdbc15 Added functrion to trim white space from string.
Sascha Wilde <wilde@intevation.de>
parents: 131
diff changeset
144 {
c719d3fdbc15 Added functrion to trim white space from string.
Sascha Wilde <wilde@intevation.de>
parents: 131
diff changeset
145 size_t i;
135
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
146 if (*s != NULL)
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
147 {
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
148 while (isspace(**s))
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
149 (*s)++;
143
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
150 i = strlen(*s); /* Flawfinder: ignore */
135
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
151 while (isspace((*s)[--i]))
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
152 (*s)[i] = '\0';
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
153 }
133
c719d3fdbc15 Added functrion to trim white space from string.
Sascha Wilde <wilde@intevation.de>
parents: 131
diff changeset
154 }
160
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
155
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
156 int str_base64_decode(char **dst, size_t *dst_size, char *src,
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
157 size_t src_size)
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
158 {
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
159 int ret = -1;
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
160
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
161 if (!dst || *dst) {
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
162 return -1;
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
163 }
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
164
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
165 /* Check the needed size for the buffer */
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
166 ret = base64_decode(NULL, dst_size,
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
167 (unsigned char *)src, src_size);
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
168
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
169 if (ret != 0 && ret != POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL) {
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
170 return ret;
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
171 }
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
172
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
173 *dst = xmalloc(*dst_size);
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
174 memset (*dst, 0, *dst_size);
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
175
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
176 ret = base64_decode((unsigned char *)*dst, dst_size,
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
177 (unsigned char *)src, src_size);
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
178 if (!ret) {
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
179 free (*dst);
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
180 *dst = NULL;
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
181 dst_size = 0;
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
182 }
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
183 return ret;
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
184 }
http://wald.intevation.org/projects/trustbridge/