search for: character_pointer

...interface. I have adapted the example from page 77 of r-exts.pdf, however, it crashes R. I use MingW as recommended by Duncan Murdoch. Please, tell me what I am missing. The code is below. Thank you. SEXP snns_getVersion(void) {SEXP version; char *v; PROTECT(version=NEW_CHARACTER(15)); v=CHARACTER_POINTER(version); strcpy(v,krui_getVersion()); UNPROTECT(1); return version; } > sessionInfo() R version 2.4.1 (2006-12-18) i386-pc-mingw32 locale: LC_COLLATE=Russian_Russia.1251;LC_CTYPE=Russian_Russia.1251;LC_MONETARY=Russian_Russia.1251;LC_NUMERIC=C;LC_TIME=Russian_Russia.1251 attached bas...

Dear People, I'm trying to write an R wrapper for a C++ library, using .Call. I've never used .Call before. I'm currently having some difficulties converting a R character string to a C one. Here is a little test program. #include <R.h> #include <Rinternals.h> #include <stdio.h> SEXP testfn(SEXP chstr) { char * charptr = CHAR(chstr); printf("%s",

On Fri, 2003-10-03 at 17:01, Rajarshi Guha wrote: > Hi, > I'm using a package that has a number of formats. I have C code to > parse these formats the results of which are generally integer arrays. > > I would like to utilize these modules in R rather than writing R code to > read in these files (and also to learn about R extensions). Thanks for the pointers to the above

...ction) RS-DBI.c:1229: error: 'NA_REAL' undeclared (first use in this function) RS-DBI.c:1231: error: 'STRSXP' undeclared (first use in this function) RS-DBI.c:1233: warning: implicit declaration of function 'CHAR' RS-DBI.c:1233: warning: implicit declaration of function 'CHARACTER_POINTER' RS-DBI.c:1233: error: 'NA_STRING' undeclared (first use in this function) RS-DBI.c:1233: error: subscripted value is neither array nor pointer RS-DBI.c: At top level: RS-DBI.c:1238: error: expected declaration specifiers or '...' before 'SEXPTYPE' RS-DBI.c: In function...