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- /* dlutils.c - handy functions and definitions for dl_*.xs files
- *
- * Currently this file is simply #included into dl_*.xs/.c files.
- * It should really be split into a dlutils.h and dlutils.c
- *
- */
-
-
- /* pointer to allocated memory for last error message */
- static char *LastError = (char*)NULL;
-
-
-
- #ifdef DEBUGGING
- /* currently not connected to $DynaLoader::dl_error but should be */
- static int dl_debug = 0;
- #define DLDEBUG(level,code) if(dl_debug>=level){ code; }
- #else
- #define DLDEBUG(level,code)
- #endif
-
-
- static void
- dl_generic_private_init() /* called by dl_*.xs dl_private_init() */
- {
- #ifdef DEBUGGING
- char *perl_dl_debug = getenv("PERL_DL_DEBUG");
- if (perl_dl_debug)
- dl_debug = atoi(perl_dl_debug);
- #endif
- }
-
-
- /* SaveError() takes printf style args and saves the result in LastError */
- #ifdef STANDARD_C
- static void
- SaveError(char* pat, ...)
- #else
- /*VARARGS0*/
- static void
- SaveError(pat, va_alist)
- char *pat;
- va_dcl
- #endif
- {
- va_list args;
- char *message;
- int len;
-
- /* This code is based on croak/warn but I'm not sure where mess() */
- /* gets its buffer space from! */
-
- #ifdef I_STDARG
- va_start(args, pat);
- #else
- va_start(args);
- #endif
- message = mess(pat, &args);
- va_end(args);
-
- len = strlen(message) + 1 ; /* include terminating null char */
-
- /* Allocate some memory for the error message */
- if (LastError)
- LastError = (char*)saferealloc(LastError, len) ;
- else
- LastError = safemalloc(len) ;
-
- /* Copy message into LastError (including terminating null char) */
- strncpy(LastError, message, len) ;
- DLDEBUG(2,fprintf(stderr,"DynaLoader: stored error msg '%s'\n",LastError));
- }
-
-
- /* prepend underscore to s. write into buf. return buf. */
- char *
- dl_add_underscore(s, buf)
- char *s;
- char *buf;
- {
- *buf = '_';
- (void)strcpy(buf + 1, s);
- return buf;
- }
-
-