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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef _MSC_VER
#include <errno.h>
#include <unistd.h>
#endif
#include "s7.h"
#ifndef _MSC_VER
static char *realdir(const char *filename)
{
char *path;
char *p;
if (!strchr(filename, '/'))
{
char *pwd;
if (access("libc_s7.so", F_OK) != 0)
{
fprintf(stderr, "%s needs libc_s7.so (give the explicit pathname)\n", filename); /* env PATH=/home/bil/cl repl */
exit(2);
}
return(NULL); /* we're in the libc_s7.so directory, I hope (user could start a version of s7 that does not match the local libc_s7.so...) */
}
if (!(path = realpath(filename, NULL)))
{
fprintf(stderr, "%s: %s\n", strerror(errno), filename);
exit(2);
}
if (!(p = strrchr(path, '/')))
{
free(path);
fprintf(stderr, "please provide the full pathname for %s\n", filename);
exit(2);
}
if (p > path) *p = '\0'; else p[1] = 0;
return(path);
}
#endif
int main(int argc, char **argv)
{
s7_scheme *sc;
sc = s7_init();
/* fprintf(stderr, "s7: %s\n", S7_DATE); */
if (argc == 2)
{
fprintf(stderr, "load %s\n", argv[1]);
s7_load(sc, argv[1]);
}
else
{
#ifdef _MSC_VER
dumb_repl(sc);
#else
#ifdef S7_LOAD_PATH
s7_add_to_load_path(sc, S7_LOAD_PATH);
#else
char *dir;
dir = realdir(argv[0]);
if (dir)
{
s7_add_to_load_path(sc, dir);
free(dir);
}
#endif
s7_repl(sc);
#endif
}
return(0);
}
/* gcc -o repl repl.c s7.o -Wl,-export-dynamic -lm -I. -ldl
*/
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