Changing from long to ssize_t (int) for write(), print(), println() return.
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f282cbaf96
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0635790dd1
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@ -352,7 +352,7 @@ void HardwareSerial::flush()
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;
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}
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long HardwareSerial::write(uint8_t c)
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ssize_t HardwareSerial::write(uint8_t c)
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{
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int i = (_tx_buffer->head + 1) % SERIAL_BUFFER_SIZE;
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@ -55,7 +55,7 @@ class HardwareSerial : public Stream
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virtual int peek(void);
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virtual int read(void);
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virtual void flush(void);
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virtual long write(uint8_t);
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virtual ssize_t write(uint8_t);
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using Print::write; // pull in write(str) and write(buf, size) from Print
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};
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@ -30,9 +30,9 @@
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// Public Methods //////////////////////////////////////////////////////////////
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/* default implementation: may be overridden */
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long Print::write(const char *str)
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ssize_t Print::write(const char *str)
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{
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long n = 0;
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ssize_t n = 0;
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while (*str) {
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if (write(*str++) <= 0) break;
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n++;
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@ -41,9 +41,9 @@ long Print::write(const char *str)
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}
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/* default implementation: may be overridden */
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long Print::write(const uint8_t *buffer, size_t size)
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ssize_t Print::write(const uint8_t *buffer, size_t size)
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{
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long n = 0;
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ssize_t n = 0;
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while (size--) {
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if (write(*buffer++) <= 0) break;
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n++;
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@ -51,10 +51,10 @@ long Print::write(const uint8_t *buffer, size_t size)
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return n;
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}
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long Print::print(const __FlashStringHelper *ifsh)
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ssize_t Print::print(const __FlashStringHelper *ifsh)
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{
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const prog_char *p = (const prog_char *)ifsh;
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long n = 0;
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ssize_t n = 0;
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while (1) {
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unsigned char c = pgm_read_byte(p++);
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if (c == 0) break;
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@ -64,9 +64,9 @@ long Print::print(const __FlashStringHelper *ifsh)
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return n;
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}
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long Print::print(const String &s)
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ssize_t Print::print(const String &s)
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{
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long n = 0;
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ssize_t n = 0;
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for (int i = 0; i < s.length(); i++) {
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if (write(s[i]) < 0) break;
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n++;
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@ -74,38 +74,38 @@ long Print::print(const String &s)
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return n;
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}
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long Print::print(const char str[])
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ssize_t Print::print(const char str[])
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{
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return write(str);
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}
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long Print::print(char c)
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ssize_t Print::print(char c)
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{
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return write(c);
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}
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long Print::print(unsigned char b, int base)
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ssize_t Print::print(unsigned char b, int base)
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{
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return print((unsigned long) b, base);
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}
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long Print::print(int n, int base)
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ssize_t Print::print(int n, int base)
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{
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return print((long) n, base);
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}
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long Print::print(unsigned int n, int base)
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ssize_t Print::print(unsigned int n, int base)
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{
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return print((unsigned long) n, base);
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}
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long Print::print(long n, int base)
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ssize_t Print::print(long n, int base)
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{
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if (base == 0) {
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return write(n);
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} else if (base == 10) {
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if (n < 0) {
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long t = print('-');
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int t = print('-');
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if (t <= 0) return t;
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n = -n;
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return printNumber(n, 10) + 1;
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@ -116,110 +116,110 @@ long Print::print(long n, int base)
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}
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}
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long Print::print(unsigned long n, int base)
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ssize_t Print::print(unsigned long n, int base)
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{
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if (base == 0) return write(n);
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else return printNumber(n, base);
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}
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long Print::print(double n, int digits)
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ssize_t Print::print(double n, int digits)
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{
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return printFloat(n, digits);
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}
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long Print::println(const __FlashStringHelper *ifsh)
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ssize_t Print::println(const __FlashStringHelper *ifsh)
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{
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long n = print(ifsh);
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ssize_t n = print(ifsh);
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if (n >= 0) n += println();
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return n;
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}
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long Print::print(const Printable& x)
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ssize_t Print::print(const Printable& x)
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{
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return x.printTo(*this);
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}
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long Print::println(void)
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ssize_t Print::println(void)
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{
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long t = print('\r');
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ssize_t t = print('\r');
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if (t <= 0) return t;
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if (print('\n') <= 0) return 1;
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return 2;
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}
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long Print::println(const String &s)
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ssize_t Print::println(const String &s)
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{
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long n = print(s);
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ssize_t n = print(s);
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if (n >= 0) n += println();
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return n;
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}
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long Print::println(const char c[])
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ssize_t Print::println(const char c[])
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{
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long n = print(c);
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ssize_t n = print(c);
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if (n >= 0) n += println();
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return n;
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}
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long Print::println(char c)
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ssize_t Print::println(char c)
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{
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long n = print(c);
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ssize_t n = print(c);
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if (n > 0) n += println();
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return n;
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}
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long Print::println(unsigned char b, int base)
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ssize_t Print::println(unsigned char b, int base)
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{
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long n = print(b, base);
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ssize_t n = print(b, base);
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if (n >= 0) n += println();
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return n;
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}
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long Print::println(int num, int base)
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ssize_t Print::println(int num, int base)
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{
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long n = print(num, base);
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ssize_t n = print(num, base);
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if (n >= 0) n += println();
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return n;
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}
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long Print::println(unsigned int num, int base)
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ssize_t Print::println(unsigned int num, int base)
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{
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long n = print(num, base);
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ssize_t n = print(num, base);
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if (n >= 0) n += println();
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return n;
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}
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long Print::println(long num, int base)
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ssize_t Print::println(long num, int base)
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{
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long n = print(num, base);
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ssize_t n = print(num, base);
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if (n >= 0) n += println();
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return n;
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}
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long Print::println(unsigned long num, int base)
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ssize_t Print::println(unsigned long num, int base)
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{
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long n = print(num, base);
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ssize_t n = print(num, base);
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if (n >= 0) n += println();
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return n;
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}
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long Print::println(double num, int digits)
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ssize_t Print::println(double num, int digits)
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{
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long n = print(num, digits);
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ssize_t n = print(num, digits);
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if (n >= 0) n += println();
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return n;
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}
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long Print::println(const Printable& x)
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ssize_t Print::println(const Printable& x)
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{
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long n = print(x);
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ssize_t n = print(x);
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if (n >= 0) n += println();
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return n;
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}
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// Private Methods /////////////////////////////////////////////////////////////
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long Print::printNumber(unsigned long n, uint8_t base) {
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ssize_t Print::printNumber(unsigned long n, uint8_t base) {
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char buf[8 * sizeof(long) + 1]; // Assumes 8-bit chars plus zero byte.
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char *str = &buf[sizeof(buf) - 1];
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@ -238,9 +238,9 @@ long Print::printNumber(unsigned long n, uint8_t base) {
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return write(str);
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}
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long Print::printFloat(double number, uint8_t digits)
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ssize_t Print::printFloat(double number, uint8_t digits)
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{
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long n = 0, t;
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ssize_t n = 0, t;
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// Handle negative numbers
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if (number < 0.0)
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@ -23,6 +23,8 @@
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#include <inttypes.h>
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#include <stdio.h> // for size_t
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typedef int ssize_t;
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#include "WString.h"
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#include "Printable.h"
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@ -34,37 +36,37 @@
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class Print
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{
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private:
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long printNumber(unsigned long, uint8_t);
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long printFloat(double, uint8_t);
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ssize_t printNumber(unsigned long, uint8_t);
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ssize_t printFloat(double, uint8_t);
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public:
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virtual long write(uint8_t) = 0;
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virtual long write(const char *str);
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virtual long write(const uint8_t *buffer, size_t size);
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virtual ssize_t write(uint8_t) = 0;
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virtual ssize_t write(const char *str);
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virtual ssize_t write(const uint8_t *buffer, size_t size);
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long print(const __FlashStringHelper *);
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long print(const String &);
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long print(const char[]);
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long print(char);
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long print(unsigned char, int = DEC);
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long print(int, int = DEC);
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long print(unsigned int, int = DEC);
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long print(long, int = DEC);
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long print(unsigned long, int = DEC);
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long print(double, int = 2);
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long print(const Printable&);
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ssize_t print(const __FlashStringHelper *);
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ssize_t print(const String &);
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ssize_t print(const char[]);
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ssize_t print(char);
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ssize_t print(unsigned char, int = DEC);
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ssize_t print(int, int = DEC);
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ssize_t print(unsigned int, int = DEC);
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ssize_t print(long, int = DEC);
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ssize_t print(unsigned long, int = DEC);
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ssize_t print(double, int = 2);
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ssize_t print(const Printable&);
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long println(const __FlashStringHelper *);
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long println(const String &s);
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long println(const char[]);
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long println(char);
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long println(unsigned char, int = DEC);
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long println(int, int = DEC);
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long println(unsigned int, int = DEC);
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long println(long, int = DEC);
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long println(unsigned long, int = DEC);
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long println(double, int = 2);
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long println(const Printable&);
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long println(void);
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ssize_t println(const __FlashStringHelper *);
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ssize_t println(const String &s);
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ssize_t println(const char[]);
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ssize_t println(char);
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ssize_t println(unsigned char, int = DEC);
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ssize_t println(int, int = DEC);
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ssize_t println(unsigned int, int = DEC);
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ssize_t println(long, int = DEC);
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ssize_t println(unsigned long, int = DEC);
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ssize_t println(double, int = 2);
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ssize_t println(const Printable&);
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ssize_t println(void);
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};
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#endif
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@ -30,7 +30,7 @@ class Print;
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class Printable
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{
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public:
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virtual long printTo(Print& p) const = 0;
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virtual ssize_t printTo(Print& p) const = 0;
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};
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#endif
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