Patch from Felipe Kellermann, fix endless loop when first > last and

increment > 0.
This commit is contained in:
Glenn L McGrath 2004-07-23 06:43:29 +00:00
parent c0dd26f68d
commit efc6bf6365

View File

@ -1,4 +1,7 @@
/* vi: set sw=4 ts=4: */
/* /*
* seq implementation for busybox
*
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as * it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation. * published by the Free Software Foundation.
@ -27,18 +30,22 @@ extern int seq_main(int argc, char **argv)
if (argc == 4) { if (argc == 4) {
first = atof(argv[1]); first = atof(argv[1]);
increment = atof(argv[2]); increment = atof(argv[2]);
} } else if (argc == 3) {
else if (argc == 3) {
first = atof(argv[1]); first = atof(argv[1]);
} } else if (argc != 2) {
else if (argc != 2) {
bb_show_usage(); bb_show_usage();
} }
last = atof(argv[argc - 1]); last = atof(argv[argc - 1]);
for (i = first; ((first <= last) ? (i <= last): (i >= last));i += increment) { /* You should note that this is pos-5.0.91 semantics, -- FK. */
if ((first > last) && (increment > 0)) {
return EXIT_SUCCESS;
}
for (i = first; ((first <= last) ? (i <= last) : (i >= last));
i += increment) {
printf("%g\n", i); printf("%g\n", i);
} }
return(EXIT_SUCCESS); return EXIT_SUCCESS;
} }