I know this is wrong and gcc will give you a warning about it, but why does it work (i.e. the numbers are printed correctly, with some rounding difference)?
String formatting expressions: \'This is %d %s example!\' % (1, \'nice\') String formatting method calls:
I am using snprintf like this to avoid a buffer overrun: char err_msg[32] = {0}; snprintf(err_msg, sizeof(err_msg) - 1, \"[ ST_ENGINE_FAILED ]\");
Here\'s an odd problem that\'s been stumping me for a bit. The program is written in C89, and it reads a file into a char* array 16 bytes at a time (using fread and a size of sizeof(char)). The file
struct DummyStruct{ unsigned long long std; int type; }; DummyStruct d; d.std = 100; d.type = 10; /// buggy printf, unsigned long long to int conversion is buggy.
I\'m trying to write a function that accepts a variable number of parameters like printf, does some stuff, then passes the variable list to printf. I\'m not sure how to do this, because it seems like
Why does printf not flush after the call unless a newline is in the format 开发者_C百科string? Is this POSIX behavior? How might I have printf immediately flush every time?The stdout stream is line bu
When calculating a golf handicap differential you are supposed to truncate the answer to 1 decimal place without rounding.No idea why but...
I have an application which prints strings to a buffer using snprintf and vsnprintf. Currently, if it detects an overflow, it appends a > to the end of the string as a sign that the string was chopped
I\'m looking for a way to pass in a FILE * to some function so that the function can write to it with fprintf.This is easy if I want the output to turn up in an actual file on disk, say.But what I\'d