mirror of
https://github.com/cesanta/mongoose.git
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66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/*
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* Copyright (c) 2015 Cesanta Software Limited
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* All rights reserved
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*/
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#include <ctype.h>
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#include <sys/time.h>
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#include <stdint.h>
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#include <math.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "esp_common.h"
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/* Makes fprintf(stdout) and stderr work. */
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_ssize_t _write_r(struct _reent *r, int fd, void *buf, size_t len) {
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if (fd == 1 || fd == 2) {
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size_t i;
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for (i = 0; i < len; i++) {
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os_putc(((char *) buf)[i]);
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}
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return len;
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}
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return -1;
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}
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/*
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* You'll need to implement _open_r and friends if you want file operations. See
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* https://github.com/cesanta/mongoose-iot/blob/master/fw/platforms/esp8266/user/esp_fs.c
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* for SPIFFS-based implementation.
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*/
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void abort(void) __attribute__((no_instrument_function));
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void abort(void) {
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/* cause an unaligned access exception, that will drop you into gdb */
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*(int *) 1 = 1;
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while (1)
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; /* avoid gcc warning because stdlib abort() has noreturn attribute */
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}
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void _exit(int status) {
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abort();
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}
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/*
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* This will prevent counter wrap if time is read regularly.
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* At least Mongoose poll queries time, so we're covered.
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*/
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int _gettimeofday_r(struct _reent *r, struct timeval *tp, void *tzp) {
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static uint32_t prev_time = 0;
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static uint32_t num_overflows = 0;
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uint32_t time = system_get_time();
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uint64_t time64 = time;
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if (prev_time > 0 && time < prev_time) num_overflows++;
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time64 += (((uint64_t) num_overflows) * (1ULL << 32));
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tp->tv_sec = time64 / 1000000ULL;
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tp->tv_usec = time64 % 1000000ULL;
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prev_time = time;
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return 0;
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(void) r;
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(void) tzp;
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}
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