forked from pool/timezone
75 lines
2.4 KiB
Diff
75 lines
2.4 KiB
Diff
--- timezone-2013g/zic.c
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+++ timezone-2013g/zic.c 2013-10-14 14:23:08.450235811 +0000
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@@ -120,7 +120,7 @@ static int addtype(zic_t gmtoff, const c
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static void leapadd(zic_t t, int positive, int rolling, int count);
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static void adjleap(void);
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static void associate(void);
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-static void dolink(const char * fromfield, const char * tofield);
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+static void dolink(const char * fromfield, const char * tofield, int defaultsymlink);
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static char ** getfields(char * buf);
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static zic_t gethms(const char * string, const char * errstrng,
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int signable);
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@@ -575,7 +575,7 @@ _("%s: More than one -L option specified
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*/
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for (i = 0; i < nlinks; ++i) {
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eat(links[i].l_filename, links[i].l_linenum);
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- dolink(links[i].l_from, links[i].l_to);
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+ dolink(links[i].l_from, links[i].l_to, FALSE);
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if (noise)
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for (j = 0; j < nlinks; ++j)
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if (strcmp(links[i].l_to,
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@@ -584,18 +584,19 @@ _("%s: More than one -L option specified
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}
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if (lcltime != NULL) {
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eat("command line", 1);
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- dolink(lcltime, TZDEFAULT);
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+ dolink(lcltime, TZDEFAULT, TRUE);
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}
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if (psxrules != NULL) {
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eat("command line", 1);
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- dolink(psxrules, TZDEFRULES);
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+ dolink(psxrules, TZDEFRULES, FALSE);
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}
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return (errors == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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static void
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-dolink(const char *const fromfield, const char *const tofield)
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+dolink(const char *const fromfield, const char *const tofield, int defaultsymlink)
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{
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+ struct stat st;
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register char * fromname;
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register char * toname;
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@@ -606,6 +607,10 @@ dolink(const char *const fromfield, cons
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fromname = ecatalloc(fromname, "/");
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fromname = ecatalloc(fromname, fromfield);
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}
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+
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+ if (lstat(fromname, &st) == 0 && S_ISLNK(st.st_mode))
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+ defaultsymlink = TRUE;
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+
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if (tofield[0] == '/')
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toname = ecpyalloc(tofield);
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else {
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@@ -619,15 +624,16 @@ dolink(const char *const fromfield, cons
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*/
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if (!itsdir(toname))
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(void) remove(toname);
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- if (link(fromname, toname) != 0
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+ if (defaultsymlink || link(fromname, toname) != 0
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&& access(fromname, F_OK) == 0 && !itsdir(fromname)) {
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int result;
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if (mkdirs(toname) != 0)
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exit(EXIT_FAILURE);
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- result = link(fromname, toname);
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- if (result != 0) {
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+ if (!defaultsymlink) result = link(fromname, toname);
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+
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+ if ((defaultsymlink || (!defaultsymlink && result != 0))) {
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const char *s = fromname;
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const char *t;
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register char * symlinkcontents = NULL;
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