mirror of
https://github.com/moparisthebest/pacman
synced 2024-08-13 17:03:46 -04:00
vercmp: add some usage instructions
Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
parent
8dc8434444
commit
2e51e28442
@ -26,14 +26,35 @@
|
||||
|
||||
#include <alpm.h>
|
||||
|
||||
#define BASENAME "vercmp"
|
||||
|
||||
#define MAX_LEN 255
|
||||
|
||||
static void usage()
|
||||
{
|
||||
fprintf(stderr, "usage: %s <ver1> <ver2>\n\n", BASENAME);
|
||||
fprintf(stderr, "return values:\n");
|
||||
fprintf(stderr, " < 0 : if ver1 < ver2\n");
|
||||
fprintf(stderr, " 0 : if ver1 == ver2\n");
|
||||
fprintf(stderr, " > 0 : if ver1 > ver2\n");
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
char s1[MAX_LEN] = "";
|
||||
char s2[MAX_LEN] = "";
|
||||
int ret;
|
||||
|
||||
if(argc == 1) {
|
||||
usage();
|
||||
return(2);
|
||||
}
|
||||
if(argc > 1 &&
|
||||
(strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0
|
||||
|| strcmp(argv[1], "--usage") == 0)) {
|
||||
usage();
|
||||
return(0);
|
||||
}
|
||||
if(argc > 1) {
|
||||
strncpy(s1, argv[1], MAX_LEN);
|
||||
s1[MAX_LEN -1] = '\0';
|
||||
|
Loading…
Reference in New Issue
Block a user