diff options
Diffstat (limited to 'common/ini/ini_get_value.c')
| -rw-r--r-- | common/ini/ini_get_value.c | 589 |
1 files changed, 0 insertions, 589 deletions
diff --git a/common/ini/ini_get_value.c b/common/ini/ini_get_value.c deleted file mode 100644 index f31077f11..000000000 --- a/common/ini/ini_get_value.c +++ /dev/null @@ -1,589 +0,0 @@ -/* - INI LIBRARY - - Value interpretation functions for single values - and corresponding memory cleanup functions. - - Copyright (C) Dmitri Pal <dpal@redhat.com> 2010 - - INI 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. - - INI 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 INI Library. If not, see <http://www.gnu.org/licenses/>. -*/ - -#define _GNU_SOURCE -#include <stdio.h> -#include <errno.h> -#include <string.h> -#include <stdlib.h> -#include <ctype.h> -#include "config.h" -#include "trace.h" -#include "collection.h" -#include "collection_tools.h" -#include "ini_defines.h" -#include "ini_config.h" - -/* Function to get value from the configuration handle */ -int get_config_item(const char *section, - const char *name, - struct collection_item *ini_config, - struct collection_item **item) -{ - int error = EOK; - struct collection_item *section_handle = NULL; - const char *to_find; - char default_section[] = INI_DEFAULT_SECTION; - - TRACE_FLOW_STRING("get_config_item", "Entry"); - - /* Do we have the accepting memory ? */ - if (item == NULL) { - TRACE_ERROR_NUMBER("No buffer - invalid argument.", EINVAL); - return EINVAL; - } - - /* Is the collection of a right type */ - if ((col_is_of_class(ini_config, COL_CLASS_INI_CONFIG) == 0) && - (col_is_of_class(ini_config, COL_CLASS_INI_META) == 0)) { - TRACE_ERROR_NUMBER("Wrong collection type", EINVAL); - return EINVAL; - } - - *item = NULL; - - if (section == NULL) to_find = default_section; - else to_find = section; - - TRACE_INFO_STRING("Getting Name:", name); - TRACE_INFO_STRING("In Section:", section); - - /* Get Subcollection */ - error = col_get_collection_reference(ini_config, §ion_handle, to_find); - /* Check error */ - if (error && (error != ENOENT)) { - TRACE_ERROR_NUMBER("Failed to get section", error); - return error; - } - - /* Did we find a section */ - if ((error == ENOENT) || (section_handle == NULL)) { - /* We have not found section - return success */ - TRACE_FLOW_STRING("get_value_from_config", "No such section"); - return EOK; - } - - /* Get item */ - error = col_get_item(section_handle, name, - COL_TYPE_STRING, COL_TRAVERSE_ONELEVEL, item); - - /* Make sure we free the section we found */ - col_destroy_collection(section_handle); - - TRACE_FLOW_NUMBER("get_config_item returning", error); - return error; -} - -/* Get long long value from config item */ -static long long get_llong_config_value(struct collection_item *item, - int strict, - long long def, - int *error) -{ - int err; - const char *str; - char *endptr; - long long val = 0; - - TRACE_FLOW_STRING("get_llong_config_value", "Entry"); - - /* Do we have the item ? */ - if ((item == NULL) || - (col_get_item_type(item) != COL_TYPE_STRING)) { - TRACE_ERROR_NUMBER("Invalid argument.", EINVAL); - if (error) *error = EINVAL; - return def; - } - - if (error) *error = EOK; - - /* Try to parse the value */ - str = (const char *)col_get_item_data(item); - errno = 0; - val = strtoll(str, &endptr, 10); - err = errno; - - /* Check for various possible errors */ - if (err != 0) { - TRACE_ERROR_NUMBER("Conversion failed", err); - if (error) *error = err; - return def; - } - - /* Other error cases */ - if ((endptr == str) || (strict && (*endptr != '\0'))) { - TRACE_ERROR_NUMBER("More characters or nothing processed", EIO); - if (error) *error = EIO; - return def; - } - - TRACE_FLOW_NUMBER("get_llong_config_value returning", (long)val); - return val; -} - -/* Get unsigned long long value from config item */ -static unsigned long long get_ullong_config_value(struct collection_item *item, - int strict, - unsigned long long def, - int *error) -{ - int err; - const char *str; - char *endptr; - unsigned long long val = 0; - - TRACE_FLOW_STRING("get_ullong_config_value", "Entry"); - - /* Do we have the item ? */ - if ((item == NULL) || - (col_get_item_type(item) != COL_TYPE_STRING)) { - TRACE_ERROR_NUMBER("Invalid argument.", EINVAL); - if (error) *error = EINVAL; - return def; - } - - if (error) *error = EOK; - - /* Try to parse the value */ - str = (const char *)col_get_item_data(item); - errno = 0; - val = strtoull(str, &endptr, 10); - err = errno; - - /* Check for various possible errors */ - if (err != 0) { - TRACE_ERROR_NUMBER("Conversion failed", err); - if (error) *error = err; - return def; - } - - /* Other error cases */ - if ((endptr == str) || (strict && (*endptr != '\0'))) { - TRACE_ERROR_NUMBER("More characters or nothing processed", EIO); - if (error) *error = EIO; - return def; - } - - TRACE_FLOW_NUMBER("get_ullong_config_value returning", val); - return val; -} - - -/* Get integer value from config item */ -int get_int_config_value(struct collection_item *item, - int strict, - int def, - int *error) -{ - long long val = 0; - int err = 0; - - TRACE_FLOW_STRING("get_int_config_value", "Entry"); - - val = get_llong_config_value(item, strict, def, &err); - if (err == 0) { - if ((val > INT_MAX) || (val < INT_MIN)) { - val = def; - err = ERANGE; - } - } - - if (error) *error = err; - - TRACE_FLOW_NUMBER("get_int_config_value returning", (int)val); - return (int)val; -} - -/* Get unsigned integer value from config item */ -unsigned get_unsigned_config_value(struct collection_item *item, - int strict, - unsigned def, - int *error) -{ - unsigned long long val = 0; - int err = 0; - - TRACE_FLOW_STRING("get_unsigned_config_value", "Entry"); - - val = get_ullong_config_value(item, strict, def, &err); - if (err == 0) { - if (val > UINT_MAX) { - val = def; - err = ERANGE; - } - } - - if (error) *error = err; - - TRACE_FLOW_NUMBER("get_unsigned_config_value returning", - (unsigned)val); - return (unsigned)val; -} - -/* Get long value from config item */ -long get_long_config_value(struct collection_item *item, - int strict, - long def, - int *error) -{ - long long val = 0; - int err = 0; - - TRACE_FLOW_STRING("get_long_config_value", "Entry"); - - val = get_llong_config_value(item, strict, def, &err); - if (err == 0) { - if ((val > LONG_MAX) || (val < LONG_MIN)) { - val = def; - err = ERANGE; - } - } - - if (error) *error = err; - - TRACE_FLOW_NUMBER("get_long_config_value returning", - (long)val); - return (long)val; -} - -/* Get unsigned long value from config item */ -unsigned long get_ulong_config_value(struct collection_item *item, - int strict, - unsigned long def, - int *error) -{ - unsigned long long val = 0; - int err = 0; - - TRACE_FLOW_STRING("get_ulong_config_value", "Entry"); - - val = get_ullong_config_value(item, strict, def, &err); - if (err == 0) { - if (val > ULONG_MAX) { - val = def; - err = ERANGE; - } - } - - if (error) *error = err; - - TRACE_FLOW_NUMBER("get_ulong_config_value returning", - (unsigned long)val); - return (unsigned long)val; -} - -/* Get int32_t value from config item */ -int32_t get_int32_config_value(struct collection_item *item, - int strict, - int32_t def, - int *error) -{ - int val = 0; - - TRACE_FLOW_STRING("get_int32_config_value", "Entry"); - - val = get_int_config_value(item, strict, (int)def, error); - - TRACE_FLOW_SNUMBER("get_int32_config_value returning", (int32_t)val); - return (int32_t)val; -} - -/* Get uint32_t value from config item */ -uint32_t get_uint32_config_value(struct collection_item *item, - int strict, - uint32_t def, - int *error) -{ - unsigned val = 0; - - TRACE_FLOW_STRING("get_uint32_config_value", "Entry"); - - val = get_unsigned_config_value(item, strict, (unsigned)def, error); - - TRACE_FLOW_NUMBER("get_uint32_config_value returning", (uint32_t)val); - return (uint32_t)val; -} - -/* Get int64_t value from config item */ -int64_t get_int64_config_value(struct collection_item *item, - int strict, - int64_t def, - int *error) -{ - long long val = 0; - - TRACE_FLOW_STRING("get_int64_config_value", "Entry"); - - val = get_llong_config_value(item, strict, (long long)def, error); - - TRACE_FLOW_SLNUMBER("get_int64_config_value returning", (int64_t)val); - return (int64_t)val; -} - -/* Get uint64_t value from config item */ -uint64_t get_uint64_config_value(struct collection_item *item, - int strict, - uint64_t def, - int *error) -{ - unsigned long long val = 0; - - TRACE_FLOW_STRING("get_uint64_config_value", "Entry"); - - val = get_ullong_config_value(item, - strict, - (unsigned long long)def, - error); - - TRACE_FLOW_LNUMBER("get_uint64_config_value returning", (uint64_t)val); - return (uint64_t)val; -} - -/* Get double value */ -double get_double_config_value(struct collection_item *item, - int strict, double def, int *error) -{ - const char *str; - char *endptr; - double val = 0; - - TRACE_FLOW_STRING("get_double_config_value", "Entry"); - - /* Do we have the item ? */ - if ((item == NULL) || - (col_get_item_type(item) != COL_TYPE_STRING)) { - TRACE_ERROR_NUMBER("Invalid argument.", EINVAL); - if (error) *error = EINVAL; - return def; - } - - if (error) *error = EOK; - - /* Try to parse the value */ - str = (const char *)col_get_item_data(item); - errno = 0; - val = strtod(str, &endptr); - - /* Check for various possible errors */ - if ((errno == ERANGE) || - ((errno != 0) && (val == 0)) || - (endptr == str)) { - TRACE_ERROR_NUMBER("Conversion failed", EIO); - if (error) *error = EIO; - return def; - } - - if (strict && (*endptr != '\0')) { - TRACE_ERROR_NUMBER("More characters than expected", EIO); - if (error) *error = EIO; - val = def; - } - - TRACE_FLOW_DOUBLE("get_double_config_value returning", val); - return val; -} - -/* Get boolean value */ -unsigned char get_bool_config_value(struct collection_item *item, - unsigned char def, int *error) -{ - const char *str; - int len; - - TRACE_FLOW_STRING("get_bool_config_value", "Entry"); - - /* Do we have the item ? */ - if ((item == NULL) || - (col_get_item_type(item) != COL_TYPE_STRING)) { - TRACE_ERROR_NUMBER("Invalid argument.", EINVAL); - if (error) *error = EINVAL; - return def; - } - - if (error) *error = EOK; - - str = (const char *)col_get_item_data(item); - len = col_get_item_length(item); - - /* Try to parse the value */ - if ((strncasecmp(str, "true", len) == 0) || - (strncasecmp(str, "yes", len) == 0)) { - TRACE_FLOW_STRING("Returning", "true"); - return '\1'; - } - else if ((strncasecmp(str, "false", len) == 0) || - (strncasecmp(str, "no", len) == 0)) { - TRACE_FLOW_STRING("Returning", "false"); - return '\0'; - } - - TRACE_ERROR_STRING("Returning", "error"); - if (error) *error = EIO; - return def; -} - -/* Return a string out of the value */ -char *get_string_config_value(struct collection_item *item, - int *error) -{ - char *str = NULL; - - TRACE_FLOW_STRING("get_string_config_value", "Entry"); - - /* Do we have the item ? */ - if ((item == NULL) || - (col_get_item_type(item) != COL_TYPE_STRING)) { - TRACE_ERROR_NUMBER("Invalid argument.", EINVAL); - if (error) *error = EINVAL; - return NULL; - } - - str = strdup((const char *)col_get_item_data(item)); - if (str == NULL) { - TRACE_ERROR_NUMBER("Failed to allocate memory.", ENOMEM); - if (error) *error = ENOMEM; - return NULL; - } - - if (error) *error = EOK; - - TRACE_FLOW_STRING("get_string_config_value returning", str); - return str; -} - -/* Get string from item */ -const char *get_const_string_config_value(struct collection_item *item, int *error) -{ - const char *str; - - TRACE_FLOW_STRING("get_const_string_config_value", "Entry"); - - /* Do we have the item ? */ - if ((item == NULL) || - (col_get_item_type(item) != COL_TYPE_STRING)) { - TRACE_ERROR_NUMBER("Invalid argument.", EINVAL); - if (error) *error = EINVAL; - return NULL; - } - - str = (const char *)col_get_item_data(item); - - if (error) *error = EOK; - - TRACE_FLOW_STRING("get_const_string_config_value returning", str); - return str; -} - -/* A special hex format is assumed. - * The string should be taken in single quotes - * and consist of hex encoded value two hex digits per byte. - * Example: '0A2BFECC' - * Case does not matter. - */ -char *get_bin_config_value(struct collection_item *item, - int *length, int *error) -{ - int i; - char *value = NULL; - const char *buff; - int size = 0; - unsigned char hex; - int len; - const char *str; - - TRACE_FLOW_STRING("get_bin_config_value", "Entry"); - - /* Do we have the item ? */ - if ((item == NULL) || - (col_get_item_type(item) != COL_TYPE_STRING)) { - TRACE_ERROR_NUMBER("Invalid argument.", EINVAL); - if (error) *error = EINVAL; - return NULL; - } - - /* Check the length */ - len = col_get_item_length(item)-1; - if ((len%2) != 0) { - TRACE_ERROR_STRING("Invalid length for binary data", ""); - if (error) *error = EINVAL; - return NULL; - } - - str = (const char *)col_get_item_data(item); - - /* Is the format correct ? */ - if ((*str != '\'') || - (str[len -1] != '\'')) { - TRACE_ERROR_STRING("String is not escaped",""); - if (error) *error = EIO; - return NULL; - } - - /* Check that all the symbols are ok */ - buff = str + 1; - len -= 2; - for (i = 0; i < len; i += 2) { - if (!isxdigit(buff[i]) || !isxdigit(buff[i + 1])) { - TRACE_ERROR_STRING("Invalid encoding for binary data", buff + i); - if (error) *error = EIO; - return NULL; - } - } - - /* The value is good so we can allocate memory for it */ - value = malloc(len / 2); - if (value == NULL) { - TRACE_ERROR_NUMBER("Failed to allocate memory.", ENOMEM); - if (error) *error = ENOMEM; - return NULL; - } - - /* Convert the value */ - for (i = 0; i < len; i += 2) { - if (isdigit(buff[i])) { - if (isdigit(buff[i+1])) - hex = 16 * (buff[i] - '0') + (buff[i+1] - '0'); - else - hex = 16 * (buff[i] - '0') + (tolower(buff[i+1]) - 'a' + 10); - } - else { - if (isdigit(buff[i+1])) - hex = 16 * (tolower(buff[i]) - 'a') + (buff[i+1] - '0'); - else - hex = 16 * (tolower(buff[i]) - 'a' + 10) + (tolower(buff[i+1]) - 'a' + 10); - } - - value[size] = (char)(hex); - size++; - } - - if (error) *error = EOK; - if (length) *length = size; - TRACE_FLOW_STRING("get_bin_config_value", "Exit"); - return value; -} - -/* Function to free binary configuration value */ -void free_bin_config_value(char *value) -{ - if (value) free(value); -} |