# include <config.h>
#endif
-#include "wrappers.h"
#include "util.h"
#include <sys/time.h>
#include <sys/resource.h>
#include <unistd.h>
+#include <fcntl.h>
+
+#define ENSC_WRAPPERS_UNISTD 1
+#define ENSC_WRAPPERS_FCNTL 1
+#define ENSC_WRAPPERS_RESOURCE 1
+#include <wrappers.h>
#define DECLARE_LIMIT(RES,FNAME) { #FNAME, RLIMIT_##RES }
if (strncmp(buf, "inf", 3)==0) return RLIM_INFINITY;
res = strtol(buf, &errptr, 0);
+ if (errptr!=buf) {
+ switch (*errptr) {
+ case 'M' : res *= 1024; /* fallthrough */
+ case 'K' : res *= 1024; ++errptr; break;
+ case 'm' : res *= 1000; /* fallthrough */
+ case 'k' : res *= 1000; ++errptr; break;
+ default : break;
+ }
+ }
+
if (errptr==buf || (*errptr!='\0' && *errptr!='\n')) {
WRITE_MSG(2, "Invalid limit in '");
WRITE_STR(2, filename);
return is_modified;
}
+static void
+showHelp(int fd, char const *cmd, int res)
+{
+ WRITE_MSG(fd, "Usage: ");
+ WRITE_STR(fd, cmd);
+ WRITE_STR(fd,
+ "<ulimit-cfgdir> <cmd> <argv>*\n\n"
+ "Please report bugs to " PACKAGE_BUGREPORT "\n");
+ exit(res);
+}
+
+static void
+showVersion()
+{
+ WRITE_MSG(1,
+ "exec-ulimit " VERSION " -- executes programs with resource limits\n"
+ "This program is part of " PACKAGE_STRING "\n\n"
+ "Copyright (C) 2003 Enrico Scholz\n"
+ VERSION_COPYRIGHT_DISCLAIMER);
+ exit(0);
+}
+
int main(int argc, char *argv[])
{
size_t i;
int cur_fd = Eopen(".", O_RDONLY, 0);
-
+
+ if (argc==2) {
+ if (strcmp(argv[1], "--help")==0) showHelp(1,argv[0],0);
+ if (strcmp(argv[1], "--version")==0) showVersion();
+ }
+
if (argc<3) {
- WRITE_MSG(2, "Usage: exec-ulimit <ulimit-cfgdir> <cmd> <argv>*\n");
+ WRITE_MSG(2, "Bad parameter count; use '--help' for more information.\n");
exit(255);
}
- Echdir(argv[1]);
-
- for (i=0; i<sizeof(LIMITS)/sizeof(LIMITS[0]); ++i) {
- struct rlimit limit;
+ if (chdir(argv[1])!=-1) {
+ for (i=0; i<sizeof(LIMITS)/sizeof(LIMITS[0]); ++i) {
+ struct rlimit limit;
- Egetrlimit(LIMITS[i].code, &limit);
- if (readSingleLimit(&limit, LIMITS[i].fname))
- Esetrlimit(LIMITS[i].code, &limit);
+ Egetrlimit(LIMITS[i].code, &limit);
+ if (readSingleLimit(&limit, LIMITS[i].fname))
+ Esetrlimit(LIMITS[i].code, &limit);
+ }
+ Efchdir(cur_fd);
}
-
- Efchdir(cur_fd);
Eclose(cur_fd);
Eexecv(argv[2], argv+2);