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Pebble C API

Format

Standard formatting.

If you're looking for input/output functions, check out the Logging API.

Function

int snprintf(char * str, size_t n, const * fmt, ...)

Format a string into a buffer.

The Pebble-supported format specifiers are displayed below.


Specifier Output Example
d or i Signed decimal integer 294
u Unsigned decimal integer 7235
o Unsigned octal 610
x Unsigned hexadecimal integer 8b2
X Unsigned hexadecimal integer (uppercase) 8B2
c Character h
s Null-terminated string of characters pebble
p Pointer address 0xb8000000
% A % followed by another % character will write a single % to the stream. %

Length specifiers can also be combined with the format specifiers above:

u o x X c s p n
(none) unsigned int int char* void* int*
h unsigned short int short int*
l unsigned long int wint_t wchar_t* long int*

Parameters

str

The string buffer to write the formatted string into

n

The maximum size of the buffer

fmt

The C formatting string

Returns

The number of bytes written