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@ -32,113 +32,113 @@ |
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*/ |
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*/ |
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#include "utils.h" |
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#include "utils.h" |
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uint8_t ICACHE_FLASH_ATTR
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uint8_t ICACHE_FLASH_ATTR UTILS_IsIPV4 (int8_t *str) |
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UTILS_IsIPV4(int8_t *str) |
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{ |
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{ |
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uint8_t segs = 0; /* Segment count. */ |
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uint8_t segs = 0; /* Segment count. */ |
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uint8_t chcnt = 0; /* Character count within segment. */ |
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uint8_t chcnt = 0; /* Character count within segment. */ |
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uint8_t accum = 0; /* Accumulator for segment. */ |
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uint8_t accum = 0; /* Accumulator for segment. */ |
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/* Catch NULL pointer. */ |
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/* Catch NULL pointer. */ |
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if (str == 0) |
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if (str == 0) |
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return 0; |
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/* Process every character in string. */ |
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while (*str != '\0') { |
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/* Segment changeover. */ |
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if (*str == '.') { |
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/* Must have some digits in segment. */ |
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if (chcnt == 0) |
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return 0; |
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/* Limit number of segments. */ |
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if (++segs == 4) |
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return 0; |
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return 0; |
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/* Process every character in string. */ |
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/* Reset segment values and restart loop. */ |
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chcnt = accum = 0; |
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while (*str != '\0') { |
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str++; |
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/* Segment changeover. */ |
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continue; |
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if (*str == '.') { |
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/* Must have some digits in segment. */ |
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if (chcnt == 0) |
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return 0; |
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/* Limit number of segments. */ |
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if (++segs == 4) |
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return 0; |
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/* Reset segment values and restart loop. */ |
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chcnt = accum = 0; |
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str++; |
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continue; |
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} |
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/* Check numeric. */ |
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if ((*str < '0') || (*str > '9')) |
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return 0; |
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/* Accumulate and check segment. */ |
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if ((accum = accum * 10 + *str - '0') > 255) |
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return 0; |
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/* Advance other segment specific stuff and continue loop. */ |
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chcnt++; |
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str++; |
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} |
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} |
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/* Check enough segments and enough characters in last segment. */ |
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/* Check numeric. */ |
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if ((*str < '0') || (*str > '9')) |
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return 0; |
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if (segs != 3) |
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/* Accumulate and check segment. */ |
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return 0; |
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if (chcnt == 0) |
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if ((accum = accum * 10 + *str - '0') > 255) |
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return 0; |
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return 0; |
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/* Address okay. */ |
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/* Advance other segment specific stuff and continue loop. */ |
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chcnt++; |
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str++; |
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} |
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/* Check enough segments and enough characters in last segment. */ |
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return 1; |
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if (segs != 3) |
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return 0; |
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if (chcnt == 0) |
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return 0; |
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/* Address okay. */ |
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return 1; |
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} |
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} |
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uint8_t ICACHE_FLASH_ATTR UTILS_StrToIP(const int8_t* str, void *ip) |
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{ |
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/* The count of the number of bytes processed. */ |
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uint8_t ICACHE_FLASH_ATTR |
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int i; |
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UTILS_StrToIP(const int8_t* str, void *ip) |
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/* A pointer to the next digit to process. */ |
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{ |
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const char * start; |
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start = str; |
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for (i = 0; i < 4; i++) { |
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/* The digit being processed. */ |
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char c; |
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/* The value of this byte. */ |
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int n = 0; |
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while (1) { |
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c = * start; |
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start++; |
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if (c >= '0' && c <= '9') { |
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n *= 10; |
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n += c - '0'; |
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} |
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/* We insist on stopping at "." if we are still parsing
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the first, second, or third numbers. If we have reached |
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the end of the numbers, we will allow any character. */ |
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else if ((i < 3 && c == '.') || i == 3) { |
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break; |
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} |
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else { |
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return 0; |
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} |
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} |
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if (n >= 256) { |
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return 0; |
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} |
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((uint8_t*)ip)[i] = n; |
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} |
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return 1; |
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/* The count of the number of bytes processed. */ |
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int i; |
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/* A pointer to the next digit to process. */ |
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for (i = 0; i < 4; i++) { |
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/* The digit being processed. */ |
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char c; |
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/* The value of this byte. */ |
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int n = 0; |
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while (1) { |
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c = *(const char *)str; |
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(const char *)str++; |
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if (c >= '0' && c <= '9') { |
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n *= 10; |
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n += c - '0'; |
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} |
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/* We insist on stopping at "." if we are still parsing
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the first, second, or third numbers. If we have reached |
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the end of the numbers, we will allow any character. */ |
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else if ((i < 3 && c == '.') || i == 3) { |
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break; |
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} |
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else { |
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return 0; |
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} |
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} |
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if (n >= 256) { |
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return 0; |
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} |
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((uint8_t*)ip)[i] = n; |
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} |
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return 1; |
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} |
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} |
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uint32_t ICACHE_FLASH_ATTR UTILS_Atoh(const int8_t *s) |
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uint32_t ICACHE_FLASH_ATTR
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UTILS_Atoh(const int8_t *s) |
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{ |
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{ |
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uint32_t value = 0, digit; |
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uint32_t value = 0, digit; |
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int8_t c; |
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int8_t c; |
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while((c = *s++)){ |
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while ((c = *s++)){ |
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if('0' <= c && c <= '9') |
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if ('0' <= c && c <= '9') |
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digit = c - '0'; |
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digit = c - '0'; |
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else if('A' <= c && c <= 'F') |
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else if ('A' <= c && c <= 'F') |
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digit = c - 'A' + 10; |
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digit = c - 'A' + 10; |
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else if('a' <= c && c<= 'f') |
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else if ('a' <= c && c <= 'f') |
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digit = c - 'a' + 10; |
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digit = c - 'a' + 10; |
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else break; |
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else break; |
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value = (value << 4) | digit; |
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value = (value << 4) | digit; |
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} |
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} |
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return value; |
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return value; |
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} |
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} |
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