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Compiling this lines
long int sz; char tmpret[128]; //take substring of c, translate in c string, convert to int, //and multiply with 1024 sz=atoi(c.substr(0,pos).c_str())*1024; snprintf(tmpret,128,'%l',sz); I read two warning on snprintf line:
warning: conversion lacks type at end of format warning: too many arguments for format Why? The type is specified (long int sz, and %l in snprintf) and the argument in snprintf is only one. Can anybody help me? Thanks.
Your format lacks type, because l is a ‘sizeof’ modifier. Should be %ld