/src/samba/lib/smbconf/smbconf_util.c

Source
/*
 *  Unix SMB/CIFS implementation.
 *  libsmbconf - Samba configuration library, utility functions
 *  Copyright (C) Michael Adam 2008
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include "includes.h"
#include "smbconf_private.h"


static int smbconf_destroy_ctx(struct smbconf_ctx *ctx)
{
  return ctx->ops->shutdown(ctx);
}

/**
 * Initialize the configuration.
 *
 * This should be the first function in a sequence of calls to smbconf
 * functions:
 *
 * Upon success, this creates and returns the conf context
 * that should be passed around in subsequent calls to the other
 * smbconf functions.
 *
 * After the work with the configuration is completed, smbconf_shutdown()
 * should be called.
 */
sbcErr smbconf_init_internal(TALLOC_CTX *mem_ctx, struct smbconf_ctx **conf_ctx,
           const char *path, struct smbconf_ops *ops)
{
  sbcErr err = SBC_ERR_OK;
  struct smbconf_ctx *ctx;

  if (conf_ctx == NULL) {
    return SBC_ERR_INVALID_PARAM;
  }

  ctx = talloc_zero(mem_ctx, struct smbconf_ctx);
  if (ctx == NULL) {
    return SBC_ERR_NOMEM;
  }

  ctx->ops = ops;

  err = ctx->ops->init(ctx, path);
  if (!SBC_ERROR_IS_OK(err)) {
    goto fail;
  }

  talloc_set_destructor(ctx, smbconf_destroy_ctx);

  *conf_ctx = ctx;
  return err;

fail:
  talloc_free(ctx);
  return err;
}


/**
 * add a string to a talloced array of strings.
 */
sbcErr smbconf_add_string_to_array(TALLOC_CTX *mem_ctx,
           char ***array,
           uint32_t count,
           const char *string)
{
  char **new_array = NULL;

  if (array == NULL) {
    return SBC_ERR_INVALID_PARAM;
  }

  new_array = talloc_realloc(mem_ctx, *array, char *, count + 1);
  if (new_array == NULL) {
    return SBC_ERR_NOMEM;
  }

  if (string == NULL) {
    new_array[count] = NULL;
  } else {
    new_array[count] = talloc_strdup(new_array, string);
    if (new_array[count] == NULL) {
      talloc_free(new_array);
      return SBC_ERR_NOMEM;
    }
  }

  *array = new_array;

  return SBC_ERR_OK;
}

bool smbconf_find_in_array(const char *string, char **list,
         uint32_t num_entries, uint32_t *entry)
{
  uint32_t i;

  if (list == NULL) {
    return false;
  }

  for (i = 0; i < num_entries; i++) {
    if (((string == NULL) && (list[i] == NULL)) ||
        strequal(string, list[i]))
    {
      if (entry != NULL) {
        *entry = i;
      }
      return true;
    }
  }

  return false;
}

bool smbconf_reverse_find_in_array(const char *string, char **list,
           uint32_t num_entries, uint32_t *entry)
{
  int32_t i;

  if ((string == NULL) || (list == NULL) || (num_entries == 0)) {
    return false;
  }

  for (i = num_entries - 1; i >= 0; i--) {
    if (strequal(string, list[i])) {
      if (entry != NULL) {
        *entry = i;
      }
      return true;
    }
  }

  return false;
}

Line	Count	Source
1		/*
2		* Unix SMB/CIFS implementation.
3		* libsmbconf - Samba configuration library, utility functions
4		* Copyright (C) Michael Adam 2008
5		*
6		* This program is free software; you can redistribute it and/or modify
7		* it under the terms of the GNU General Public License as published by
8		* the Free Software Foundation; either version 3 of the License, or
9		* (at your option) any later version.
10		*
11		* This program is distributed in the hope that it will be useful,
12		* but WITHOUT ANY WARRANTY; without even the implied warranty of
13		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14		* GNU General Public License for more details.
15		*
16		* You should have received a copy of the GNU General Public License
17		* along with this program; if not, see <http://www.gnu.org/licenses/>.
18		*/
19
20		#include "includes.h"
21		#include "smbconf_private.h"
22
23
24		static int smbconf_destroy_ctx(struct smbconf_ctx *ctx)
25	0	{
26	0	return ctx->ops->shutdown(ctx);
27	0	}
28
29		/**
30		* Initialize the configuration.
31		*
32		* This should be the first function in a sequence of calls to smbconf
33		* functions:
34		*
35		* Upon success, this creates and returns the conf context
36		* that should be passed around in subsequent calls to the other
37		* smbconf functions.
38		*
39		* After the work with the configuration is completed, smbconf_shutdown()
40		* should be called.
41		*/
42		sbcErr smbconf_init_internal(TALLOC_CTX mem_ctx, struct smbconf_ctx *conf_ctx,
43		const char path, struct smbconf_ops ops)
44	0	{
45	0	sbcErr err = SBC_ERR_OK;
46	0	struct smbconf_ctx *ctx;
47
48	0	if (conf_ctx == NULL) {
49	0	return SBC_ERR_INVALID_PARAM;
50	0	}
51
52	0	ctx = talloc_zero(mem_ctx, struct smbconf_ctx);
53	0	if (ctx == NULL) {
54	0	return SBC_ERR_NOMEM;
55	0	}
56
57	0	ctx->ops = ops;
58
59	0	err = ctx->ops->init(ctx, path);
60	0	if (!SBC_ERROR_IS_OK(err)) {
61	0	goto fail;
62	0	}
63
64	0	talloc_set_destructor(ctx, smbconf_destroy_ctx);
65
66	0	*conf_ctx = ctx;
67	0	return err;
68
69	0	fail:
70	0	talloc_free(ctx);
71	0	return err;
72	0	}
73
74
75		/**
76		* add a string to a talloced array of strings.
77		*/
78		sbcErr smbconf_add_string_to_array(TALLOC_CTX *mem_ctx,
79		char ***array,
80		uint32_t count,
81		const char *string)
82	0	{
83	0	char **new_array = NULL;
84
85	0	if (array == NULL) {
86	0	return SBC_ERR_INVALID_PARAM;
87	0	}
88
89	0	new_array = talloc_realloc(mem_ctx, array, char , count + 1);
90	0	if (new_array == NULL) {
91	0	return SBC_ERR_NOMEM;
92	0	}
93
94	0	if (string == NULL) {
95	0	new_array[count] = NULL;
96	0	} else {
97	0	new_array[count] = talloc_strdup(new_array, string);
98	0	if (new_array[count] == NULL) {
99	0	talloc_free(new_array);
100	0	return SBC_ERR_NOMEM;
101	0	}
102	0	}
103
104	0	*array = new_array;
105
106	0	return SBC_ERR_OK;
107	0	}
108
109		bool smbconf_find_in_array(const char string, char *list,
110		uint32_t num_entries, uint32_t *entry)
111	0	{
112	0	uint32_t i;
113
114	0	if (list == NULL) {
115	0	return false;
116	0	}
117
118	0	for (i = 0; i < num_entries; i++) {
119	0	if (((string == NULL) && (list[i] == NULL)) \|\|
120	0	strequal(string, list[i]))
121	0	{
122	0	if (entry != NULL) {
123	0	*entry = i;
124	0	}
125	0	return true;
126	0	}
127	0	}
128
129	0	return false;
130	0	}
131
132		bool smbconf_reverse_find_in_array(const char string, char *list,
133		uint32_t num_entries, uint32_t *entry)
134	0	{
135	0	int32_t i;
136
137	0	if ((string == NULL) \|\| (list == NULL) \|\| (num_entries == 0)) {
138	0	return false;
139	0	}
140
141	0	for (i = num_entries - 1; i >= 0; i--) {
142	0	if (strequal(string, list[i])) {
143	0	if (entry != NULL) {
144	0	*entry = i;
145	0	}
146	0	return true;
147	0	}
148	0	}
149
150	0	return false;
151	0	}

Coverage Report

Created: 2026-04-01 06:26