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| build/ |
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| // Copyright (c) Rodrigo Speller. All rights reserved. | ||
| // Licensed under the MIT License. See LICENSE.txt in the project root for license information. | ||
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| #ifndef CRONUTILS_H | ||
| #define CRONUTILS_H | ||
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| #ifndef CRON_API_EXPORT | ||
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| #ifdef __cplusplus | ||
| #define CRON_API_EXPORT extern "C" | ||
| #else | ||
| #define CRON_API_EXPORT | ||
| #endif | ||
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| #endif | ||
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| #include <time.h> | ||
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| /** | ||
| * Cron expression state. | ||
| * | ||
| * This struct is opaque and should not be accessed directly. | ||
| */ | ||
| typedef struct cron_expr_t { | ||
| void *expr_st_ptr; | ||
| } cron_expr_t; | ||
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| /** | ||
| * Cron time state. | ||
| * | ||
| * This struct is opaque and should not be accessed directly. | ||
| */ | ||
| typedef struct cron_time_t { | ||
| void *time_st_ptr; | ||
| } cron_time_t; | ||
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| /** | ||
| * Allocate a new cron expression state. | ||
| */ | ||
| CRON_API_EXPORT | ||
| cron_expr_t *cron_expr_alloc(const cron_expr_t *const clone_expr_ptr); | ||
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| /** | ||
| * Free a cron expression state. | ||
| */ | ||
| CRON_API_EXPORT | ||
| void cron_expr_free(cron_expr_t *expr_ptr); | ||
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| /** | ||
| * Parse a cron expression string into a cron expression state. If an | ||
| * error occurs, the error_func is called with the error cause message. | ||
| */ | ||
| CRON_API_EXPORT | ||
| void cron_expr_parse( | ||
| char const *expr_str, | ||
| cron_expr_t *expr_ptr, | ||
| void (*error_func)(const char *)); | ||
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| /** | ||
| * Match a cron expression state against a cron time state to determine | ||
| * if the time matches the expression. | ||
| */ | ||
| CRON_API_EXPORT | ||
| int cron_expr_match( | ||
| const cron_expr_t *expr_ptr, | ||
| const cron_time_t *time_ptr); | ||
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| /** | ||
| * Match a cron expression state to determine if that expression matches | ||
| * the "@reboot" expression. This is a special expression that matches | ||
| * only once, when the cron is started. | ||
| */ | ||
| CRON_API_EXPORT | ||
| int cron_expr_match_reboot(const cron_expr_t *expr_ptr); | ||
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| /** | ||
| * Allocate a new cron time state. If 'clone_time_ptr' is not NULL, the | ||
| * new cron time state will be initialized as a clone of the given cron | ||
| * time state. | ||
| */ | ||
| CRON_API_EXPORT | ||
| cron_time_t *cron_time_alloc(const cron_time_t *const clone_time_ptr); | ||
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| /** | ||
| * Free a cron time state. | ||
| */ | ||
| CRON_API_EXPORT | ||
| void cron_time_free(cron_time_t *time_ptr); | ||
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| /** | ||
| * Set the time of a cron time state. | ||
| */ | ||
| CRON_API_EXPORT | ||
| void cron_time_set(cron_time_t *time_ptr, const time_t *timer); | ||
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| /** | ||
| * Compare two cron time states. | ||
| */ | ||
| CRON_API_EXPORT | ||
| int cron_time_cmp(const cron_time_t *const a, const cron_time_t *const b); | ||
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| /** | ||
| * Increment a cron time state by one minute. | ||
| */ | ||
| CRON_API_EXPORT | ||
| void cron_time_inc(cron_time_t *const cron_time); | ||
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| #endif |
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