C99 introduced new length modifiers. In addition to the well known and supported 'l', 'L', and 'h' we have 'hh', 'll', 'j', 'z', and 't' now. (See https://en.cppreference.com/w/c/io/fprintf for reference for example.) Those are not supported by fcgi, however the compiler supporting C99 or newer happily allows to use them without warning. The output is cut off however at the unknown length modifier.
Code example:
#include <fcgi_stdio.h>
#include <stddef.h>
int main( int argc, char *argv[] )
{
size_t zcntp = 0;
while ( FCGI_Accept() >= 0 )
{
printf( "Content-type: text/html\r\n"
"\r\n" );
puts( "<html><head><title>test fastcgi</title></head><body>" );
printf( "<p>size_t count (printf): %zu.</p>\n", ++zcntp );
puts( "</body></html>" );
fprintf( stderr, "zcntp: %zu\n", zcntp );
}
FCGI_Finish();
return 0;
}In the printf() statement the output is cut off at the '%' and you'll never see the .</p>\n in the output. The output to stderr is also cut off like this without printing any number: "zcntp: "
C99 introduced new length modifiers. In addition to the well known and supported 'l', 'L', and 'h' we have 'hh', 'll', 'j', 'z', and 't' now. (See https://en.cppreference.com/w/c/io/fprintf for reference for example.) Those are not supported by fcgi, however the compiler supporting C99 or newer happily allows to use them without warning. The output is cut off however at the unknown length modifier.
Code example:
In the
printf()statement the output is cut off at the '%' and you'll never see the.</p>\nin the output. The output to stderr is also cut off like this without printing any number:"zcntp: "