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34 #ifndef __INCLUDE_RTE_CFGFILE_H__
35 #define __INCLUDE_RTE_CFGFILE_H__
43 * RTE Configuration File
45 * This library allows reading application defined parameters from standard
46 * format configuration file.
50 #define CFG_NAME_LEN 32
51 #define CFG_VALUE_LEN 64
53 /** Configuration file */
56 /** Configuration file entry */
57 struct rte_cfgfile_entry {
58 char name[CFG_NAME_LEN]; /**< Name */
59 char value[CFG_VALUE_LEN]; /**< Value */
68 * Config file flags, Reserved for future use. Must be set to 0.
70 * Handle to configuration file
72 struct rte_cfgfile *rte_cfgfile_load(const char *filename, int flags);
75 * Get number of sections in config file
82 * Maximum section name length
84 * 0 on success, error code otherwise
86 int rte_cfgfile_num_sections(struct rte_cfgfile *cfg, const char *sec_name,
90 * Get name of all config file sections.
92 * Fills in the array sections with the name of all the sections in the file
93 * (up to the number of max_sections sections).
98 * Array containing section names after successful invocation. Each elemen
99 * of this array should be preallocated by the user with at least
100 * CFG_NAME_LEN characters.
101 * @param max_sections
102 * Maximum number of section names to be stored in sections array
104 * 0 on success, error code otherwise
106 int rte_cfgfile_sections(struct rte_cfgfile *cfg, char *sections[],
110 * Check if given section exists in config file
117 * TRUE (value different than 0) if section exists, FALSE (value 0) otherwise
119 int rte_cfgfile_has_section(struct rte_cfgfile *cfg, const char *sectionname);
122 * Get number of entries in given config file section
129 * Number of entries in section
131 int rte_cfgfile_section_num_entries(struct rte_cfgfile *cfg,
132 const char *sectionname);
134 /** Get section entries as key-value pairs
141 * Pre-allocated array of at least max_entries entries where the section
142 * entries are stored as key-value pair after successful invocation
144 * Maximum number of section entries to be stored in entries array
146 * 0 on success, error code otherwise
148 int rte_cfgfile_section_entries(struct rte_cfgfile *cfg,
149 const char *sectionname,
150 struct rte_cfgfile_entry *entries,
153 /** Get value of the named entry in named config file section
164 const char *rte_cfgfile_get_entry(struct rte_cfgfile *cfg,
165 const char *sectionname,
166 const char *entryname);
168 /** Check if given entry exists in named config file section
177 * TRUE (value different than 0) if entry exists, FALSE (value 0) otherwise
179 int rte_cfgfile_has_entry(struct rte_cfgfile *cfg, const char *sectionname,
180 const char *entryname);
182 /** Close config file
187 * 0 on success, error code otherwise
189 int rte_cfgfile_close(struct rte_cfgfile *cfg);