> $ pacman -Uh
> options:
> -b, --dbpath <path> set an alternate database location
> -d, --nodeps skip dependency checks
> -f, --force force install, overwrite conflicting files
> -k, --dbonly only modify database entries, not package files
> -r, --root <path> set an alternate installation root
> -v, --verbose be verbose
> --arch <arch> set an alternate architecture
> --asdeps install packages as non-explicitly installed
> --asexplicit install packages as explicitly installed
> --cachedir <dir> set an alternate package cache location
> --config <path> set an alternate configuration file
> --debug display debug messages
> --ignore <pkg> ignore a package upgrade (can be used more than once)
> --ignoregroup <grp>
> ignore a group upgrade (can be used more than once)
> --logfile <path> set an alternate log file
> --noconfirm do not ask for any confirmation
> --noprogressbar do not show a progress bar when downloading files
> --noscriptlet do not execute the install scriptlet if one exists
> --print only print the targets instead of performing the
> operation
> --print-format <string>
> specify how the targets should be printed
>
> Signed-off-by: Xavier Chantry <chantry.xav...@gmail.com>
I like this.
> +/* Used to sort the options in --help */
> +static int options_cmp(const void *p1, const void *p2)
> +{
> + const char *s1 = p1;
> + const char *s2 = p2;
> + int ret = 0;
> +
> + /* First skip all spaces in both strings */
> + while(isspace((unsigned char)*s1))
> + s1++;
> + while(isspace((unsigned char)*s2))
> + s2++;
> + /* If we compare a long option (--abcd) and a short one (-a),
> + * the short one always wins */
> + if (*(s1+1) != '-' && *(s2+1) == '-') {
> + ret = -1;
I hope you don't pass invalid string arguments (e.g. empty string),
otherwise we can get a segfault here.
> + } else if (*(s2+1) != '-' && *(s1+1) == '-') {
> + ret = 1;
> + } else {
> + ret = strcmp(s1, s2);
> + }
> + return(ret);
> +}
NG
