| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright © 2017 Red Hat, Inc | ||
| 3 | * | ||
| 4 | * This program is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU Lesser General Public | ||
| 6 | * License as published by the Free Software Foundation; either | ||
| 7 | * version 2.1 of the License, or (at your option) any later version. | ||
| 8 | * | ||
| 9 | * This library is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 12 | * Lesser General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU Lesser General Public | ||
| 15 | * License along with this library. If not, see <http://www.gnu.org/licenses/>. | ||
| 16 | * | ||
| 17 | * Authors: | ||
| 18 | * Christian J. Kellner <christian@kellner.me> | ||
| 19 | */ | ||
| 20 | |||
| 21 | #include "config.h" | ||
| 22 | |||
| 23 | #include "bolt-str.h" | ||
| 24 | |||
| 25 | #include <string.h> | ||
| 26 | |||
| 27 | typedef void (* zero_fn_t) (void *s, | ||
| 28 | size_t n); | ||
| 29 | void | ||
| 30 | ✗ | bolt_erase_n (void *data, gsize n) | |
| 31 | { | ||
| 32 | #if !HAVE_FN_EXPLICIT_BZERO | ||
| 33 | #warning no explicit bzero, using fallback | ||
| 34 | static volatile zero_fn_t explicit_bzero = bzero; | ||
| 35 | #endif | ||
| 36 | |||
| 37 | ✗ | explicit_bzero (data, n); | |
| 38 | ✗ | } | |
| 39 | |||
| 40 | void | ||
| 41 | ✗ | bolt_str_erase (char *str) | |
| 42 | { | ||
| 43 | ✗ | if (str == NULL) | |
| 44 | ✗ | return; | |
| 45 | |||
| 46 | ✗ | bolt_erase_n (str, strlen (str)); | |
| 47 | } | ||
| 48 | |||
| 49 | void | ||
| 50 | ✗ | bolt_str_erase_clear (char **str) | |
| 51 | { | ||
| 52 | ✗ | g_return_if_fail (str != NULL); | |
| 53 | ✗ | if (*str == NULL) | |
| 54 | ✗ | return; | |
| 55 | |||
| 56 | ✗ | bolt_str_erase (*str); | |
| 57 | ✗ | g_free (*str); | |
| 58 | ✗ | *str = NULL; | |
| 59 | } | ||
| 60 | |||
| 61 | GStrv | ||
| 62 | ✗ | bolt_strv_from_ptr_array (GPtrArray **array) | |
| 63 | { | ||
| 64 | GPtrArray *a; | ||
| 65 | |||
| 66 | ✗ | if (array == NULL || *array == NULL) | |
| 67 | ✗ | return NULL; | |
| 68 | |||
| 69 | ✗ | a = *array; | |
| 70 | |||
| 71 | ✗ | if (a->len == 0 || a->pdata[a->len - 1] != NULL) | |
| 72 | ✗ | g_ptr_array_add (a, NULL); | |
| 73 | |||
| 74 | ✗ | *array = NULL; | |
| 75 | ✗ | return (GStrv) g_ptr_array_free (a, FALSE); | |
| 76 | } | ||
| 77 | |||
| 78 | char * | ||
| 79 | ✗ | bolt_strdup_validate (const char *string) | |
| 80 | { | ||
| 81 | ✗ | g_autofree char *str = NULL; | |
| 82 | gboolean ok; | ||
| 83 | gsize l; | ||
| 84 | |||
| 85 | ✗ | if (string == NULL) | |
| 86 | ✗ | return NULL; | |
| 87 | |||
| 88 | ✗ | str = g_strdup (string); | |
| 89 | ✗ | str = g_strstrip (str); | |
| 90 | |||
| 91 | ✗ | l = strlen (str); | |
| 92 | ✗ | if (l == 0) | |
| 93 | ✗ | return NULL; | |
| 94 | |||
| 95 | ✗ | ok = g_utf8_validate (str, l, NULL); | |
| 96 | |||
| 97 | ✗ | if (!ok) | |
| 98 | ✗ | return NULL; | |
| 99 | |||
| 100 | ✗ | return g_steal_pointer (&str); | |
| 101 | } | ||
| 102 | |||
| 103 | char * | ||
| 104 | ✗ | bolt_strstrip (char *string) | |
| 105 | { | ||
| 106 | char *str; | ||
| 107 | |||
| 108 | ✗ | if (string == NULL) | |
| 109 | ✗ | return NULL; | |
| 110 | |||
| 111 | ✗ | str = g_strstrip (string); | |
| 112 | |||
| 113 | ✗ | if (strlen (str) == 0) | |
| 114 | ✗ | g_clear_pointer (&str, g_free); | |
| 115 | |||
| 116 | ✗ | return str; | |
| 117 | } | ||
| 118 |