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Try to avoid parse_{time,units,flags} symbol conflicts

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On Debian stretch systems PAM modules linked against Heimdal run into
symbol conflicts with parse_time() in systemd libraries.  We redefine
parse_time() and friends to rk_parse_time(), ... while keeping the old
names for ABI compatibility with existing clients.

The legacy names should eventually be droppped.
This commit is contained in:
Viktor Dukhovni
2017-08-23 17:33:29 +00:00
committed by Nico Williams
parent 237cd892d9
commit d73ec2510a
5 changed files with 111 additions and 7 deletions
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29
lib/roken/parse_time.c
View File

@@ -73,3 +73,32 @@ print_time_table (FILE *f)
{
print_units_table (time_units, f);
}
#undef parse_time
#undef unparse_time
#undef unparse_time_approx
#undef print_time_table
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
parse_time(const char *s, const char *def_unit)
{
return rk_parse_units(s, time_units, def_unit);
}
ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL
unparse_time(int t, char *s, size_t len)
{
return rk_unparse_units(t, time_units, s, len);
}
ROKEN_LIB_FUNCTION size_t ROKEN_LIB_CALL
unparse_time_approx(int t, char *s, size_t len)
{
return rk_unparse_units_approx(t, time_units, s, len);
}
ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
print_time_table(FILE *f)
{
rk_print_units_table(time_units, f);
}

5
lib/roken/parse_time.h
View File

@@ -46,6 +46,11 @@
#endif
#endif
#define parse_time rk_parse_time
#define unparse_time rk_unparse_time
#define unparse_time_approx rk_unparse_time_approx
#define print_time_table rk_print_time_table
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
parse_time (const char *s, const char *def_unit);

51
lib/roken/parse_units.c
View File

@@ -325,3 +325,54 @@ print_flags_table (const struct units *units, FILE *f)
for(u = units; u->name; ++u)
fprintf(f, "%s%s", u->name, (u+1)->name ? ", " : "\n");
}
#undef parse_units
#undef unparse_units
#undef unparse_units_approx
#undef print_units_table
#undef parse_flags
#undef unparse_flags
#undef print_flags_table
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
parse_units(const char *s, const struct units *units,
const char *def_unit)
{
return rk_parse_units(s, units, def_unit);
}
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
unparse_units(int num, const struct units *units, char *s, size_t len)
{
return rk_unparse_units(num, units, s, len);
}
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
unparse_units_approx(int num, const struct units *units, char *s, size_t len)
{
return rk_unparse_units_approx(num, units, s, len);
}
ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
print_units_table(const struct units *units, FILE *f)
{
print_units_table(units, f);
}
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
parse_flags(const char *s, const struct units *units, int orig)
{
return rk_parse_flags(s, units, orig);
}
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
unparse_flags(int num, const struct units *units, char *s, size_t len)
{
return rk_unparse_flags(num, units, s, len);
}
ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
print_flags_table (const struct units *units, FILE *f)
{
return rk_print_flags_table (units, f);
}

8
lib/roken/parse_units.h
View File

@@ -54,6 +54,14 @@ struct units {
unsigned mult;
};
#define parse_units rk_parse_units
#define unparse_units rk_unparse_units
#define unparse_units_approx rk_unparse_units_approx
#define print_units_table rk_print_units_table
#define parse_flags rk_parse_flags
#define unparse_flags rk_unparse_flags
#define print_flags_table rk_print_flags_table
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
parse_units (const char *s, const struct units *units,
const char *def_unit);

25
lib/roken/version-script.map
View File

@@ -44,9 +44,9 @@ HEIMDAL_ROKEN_1.0 {
rk_cgetent;
rk_cgetstr;
rk_cloexec;
rk_cloexec_dir;
rk_cloexec_file;
rk_cloexec_dir;
rk_cloexec_socket;
rk_cloexec_socket;
rk_closefrom;
rk_copyhostent;
rk_dns_free_data;
@@ -89,17 +89,21 @@ HEIMDAL_ROKEN_1.0 {
rk_memset_s;
rk_mkdir;
rk_mkstemp;
rk_parse_flags
rk_parse_time
rk_parse_units;
rk_pid_file_delete;
rk_pid_file_write;
rk_pidfile;
rk_pipe_execv;
rk_print_flags_table
rk_print_time_table
rk_print_units_table;
rk_random_init;
rk_read_environment;
rk_readv;
rk_realloc;
rk_secure_getenv;
rk_strerror;
rk_strerror_r;
rk_setprogname;
rk_simple_execle;
rk_simple_execlp;
@@ -122,6 +126,8 @@ HEIMDAL_ROKEN_1.0 {
rk_socket_set_tos;
rk_socket_sockaddr_size;
rk_strcollect;
rk_strerror;
rk_strerror_r;
rk_strftime;
rk_strlcat;
rk_strlcpy;
@@ -143,15 +149,20 @@ HEIMDAL_ROKEN_1.0 {
rk_strvis;
rk_strvisx;
rk_svis;
rk_tdelete;
rk_tfind;
rk_timegm;
rk_timevaladd;
rk_timevalfix;
rk_timevalsub;
rk_tdelete;
rk_tfind;
rk_tsearch;
rk_twalk;
rk_undumpdata;
rk_unparse_flags
rk_unparse_time
rk_unparse_time_approx
rk_unparse_units;
rk_unparse_units_approx;
rk_unvis;
rk_vasnprintf;
rk_vasprintf;
@@ -163,8 +174,8 @@ HEIMDAL_ROKEN_1.0 {
rk_warnerr;
rk_xfree;
roken_concat;
roken_detach_prep;
roken_detach_finish;
roken_detach_prep;
roken_getaddrinfo_hostspec2;
roken_getaddrinfo_hostspec;
roken_gethostby_setup;