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version.c
87 lines (81 loc) · 1.53 KB
/
version.c
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#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <sysexits.h>
#include <pkg.h>
#include "version.h"
void
usage_version(void)
{
fprintf(stderr, "version [-hIoqv] [-l limchar] [-L limchar] [[-X] -s string]"
"[-O origin] [index]\n"
"version -t version1 version2\n"
"version -T pkgname pattern\n");
}
int exec_version(int argc, char **argv)
{
unsigned int opt = 0;
char ch;
while ((ch = getopt(argc, argv, "hIoqvlLXsOtT")) != -1) {
switch (ch) {
case 'h':
usage_version();
return (0);
case 'I':
opt |= VERSION_INDEX;
break;
case 'o':
opt |= VERSION_ORIGIN;
break;
case 'q':
opt |= VERSION_QUIET;
break;
case 'v':
opt |= VERSION_VERBOSE;
break;
case 'l':
opt |= VERSION_STATUS;
break;
case 'L':
opt |= VERSION_NOSTATUS;
break;
case 'X':
opt |= VERSION_EREGEX;
break;
case 's':
opt |= VERSION_STRING;
break;
case 'O':
opt |= VERSION_WITHORIGIN;
break;
case 't':
opt |= VERSION_TESTVERSION;
break;
case 'T':
opt |= VERSION_TESTPATTERN;
break;
}
}
argc -= optind;
argv += optind;
/* -t must be unique */
if (((opt & VERSION_TESTVERSION) && opt != VERSION_TESTVERSION) ||
(opt == VERSION_TESTVERSION && argc < 2)) {
usage_version();
return (EX_USAGE);
}
else if (opt == VERSION_TESTVERSION) {
switch (pkg_version_cmp(argv[0], argv[1])) {
case -1:
printf("<\n");
break;
case 0:
printf("=\n");
break;
case 1:
printf(">\n");
break;
}
}
return 0;
}