Sint64 SDL_strtoll(const char *string, char **endp, int base) { size_t len; Sint64 value; if ( !base ) { if ( (SDL_strlen(string) > 2) && (SDL_strncmp(string, "0x", 2) == 0) ) { base = 16; } else { base = 10; } } len = SDL_ScanLongLong(string, base, &value); if ( endp ) { *endp = (char *)string + len; } return value; }
Sint64 SDL_strtoll(const char *string, char **endp, int base) { #if defined(HAVE_STRTOLL) return strtoll(string, endp, base); #else size_t len; Sint64 value; if (!base) { if ((SDL_strlen(string) > 2) && (SDL_strncmp(string, "0x", 2) == 0)) { base = 16; } else { base = 10; } } len = SDL_ScanLongLong(string, base, &value); if (endp) { *endp = (char *) string + len; } return value; #endif /* HAVE_STRTOLL */ }
int SDL_sscanf(const char *text, const char *fmt, ...) { va_list ap; int retval = 0; va_start(ap, fmt); while ( *fmt ) { if ( *fmt == ' ' ) { while ( SDL_isspace((unsigned char) *text) ) { ++text; } ++fmt; continue; } if ( *fmt == '%' ) { SDL_bool done = SDL_FALSE; long count = 0; int radix = 10; enum { DO_SHORT, DO_INT, DO_LONG, DO_LONGLONG } inttype = DO_INT; SDL_bool suppress = SDL_FALSE; ++fmt; if ( *fmt == '%' ) { if ( *text == '%' ) { ++text; ++fmt; continue; } break; } if ( *fmt == '*' ) { suppress = SDL_TRUE; ++fmt; } fmt += SDL_ScanLong(fmt, 10, &count); if ( *fmt == 'c' ) { if ( ! count ) { count = 1; } if ( suppress ) { while ( count-- ) { ++text; } } else { char *valuep = va_arg(ap, char*); while ( count-- ) { *valuep++ = *text++; } ++retval; } continue; } while ( SDL_isspace((unsigned char) *text) ) { ++text; } /* FIXME: implement more of the format specifiers */ while (!done) { switch(*fmt) { case '*': suppress = SDL_TRUE; break; case 'h': if ( inttype > DO_SHORT ) { ++inttype; } break; case 'l': if ( inttype < DO_LONGLONG ) { ++inttype; } break; case 'I': if ( SDL_strncmp(fmt, "I64", 3) == 0 ) { fmt += 2; inttype = DO_LONGLONG; } break; case 'i': { int index = 0; if ( text[index] == '-' ) { ++index; } if ( text[index] == '0' ) { if ( SDL_tolower((unsigned char) text[index+1]) == 'x' ) { radix = 16; } else { radix = 8; } } } /* Fall through to %d handling */ case 'd': #ifdef SDL_HAS_64BIT_TYPE if ( inttype == DO_LONGLONG ) { Sint64 value; text += SDL_ScanLongLong(text, radix, &value); if ( ! suppress ) { Sint64 *valuep = va_arg(ap, Sint64*); *valuep = value; ++retval; } } else #endif /* SDL_HAS_64BIT_TYPE */ { long value; text += SDL_ScanLong(text, radix, &value); if ( ! suppress ) { switch (inttype) { case DO_SHORT: { short* valuep = va_arg(ap, short*); *valuep = (short)value; } break; case DO_INT: { int* valuep = va_arg(ap, int*); *valuep = (int)value; } break; case DO_LONG: { long* valuep = va_arg(ap, long*); *valuep = value; } break; case DO_LONGLONG: /* Handled above */ break; } ++retval; } } done = SDL_TRUE; break; case 'o': if ( radix == 10 ) { radix = 8; } /* Fall through to unsigned handling */ case 'x': case 'X': if ( radix == 10 ) { radix = 16; } /* Fall through to unsigned handling */ case 'u': #ifdef SDL_HAS_64BIT_TYPE if ( inttype == DO_LONGLONG ) { Uint64 value; text += SDL_ScanUnsignedLongLong(text, radix, &value); if ( ! suppress ) { Uint64 *valuep = va_arg(ap, Uint64*); *valuep = value; ++retval; }