|
Lines 96-115
Link Here
|
| 96 |
#endif |
96 |
#endif |
| 97 |
|
97 |
|
| 98 |
/* POSIX 200x added two interfaces to set file timestamps with |
98 |
/* POSIX 200x added two interfaces to set file timestamps with |
| 99 |
nanosecond resolution. */ |
99 |
nanosecond resolution. We provide a fallback for ENOSYS (for |
|
|
100 |
example, compiling against Linux 2.6.25 kernel headers and glibc |
| 101 |
2.7, but running on Linux 2.6.18 kernel). */ |
| 100 |
#if HAVE_UTIMENSAT |
102 |
#if HAVE_UTIMENSAT |
| 101 |
if (fd < 0) |
103 |
if (fd < 0) |
| 102 |
return utimensat (AT_FDCWD, file, timespec, 0); |
104 |
{ |
|
|
105 |
int result = utimensat (AT_FDCWD, file, timespec, 0); |
| 106 |
if (result == 0 || errno != ENOSYS) |
| 107 |
return result; |
| 108 |
} |
| 103 |
#endif |
109 |
#endif |
| 104 |
#if HAVE_FUTIMENS |
110 |
#if HAVE_FUTIMENS |
| 105 |
return futimens (fd, timespec); |
111 |
{ |
| 106 |
#else |
112 |
int result = futimens (fd, timespec); |
|
|
113 |
if (result == 0 || errno != ENOSYS) |
| 114 |
return result; |
| 115 |
} |
| 116 |
#endif |
| 107 |
|
117 |
|
| 108 |
/* The platform lacks an interface to set file timestamps with |
118 |
/* The platform lacks an interface to set file timestamps with |
| 109 |
nanosecond resolution, so do the best we can, discarding any |
119 |
nanosecond resolution, so do the best we can, discarding any |
| 110 |
fractional part of the timestamp. */ |
120 |
fractional part of the timestamp. */ |
| 111 |
{ |
121 |
{ |
| 112 |
# if HAVE_FUTIMESAT || HAVE_WORKING_UTIMES |
122 |
#if HAVE_FUTIMESAT || HAVE_WORKING_UTIMES |
| 113 |
struct timeval timeval[2]; |
123 |
struct timeval timeval[2]; |
| 114 |
struct timeval const *t; |
124 |
struct timeval const *t; |
| 115 |
if (timespec) |
125 |
if (timespec) |
|
Lines 125-133
Link Here
|
| 125 |
|
135 |
|
| 126 |
if (fd < 0) |
136 |
if (fd < 0) |
| 127 |
{ |
137 |
{ |
| 128 |
# if HAVE_FUTIMESAT |
138 |
# if HAVE_FUTIMESAT |
| 129 |
return futimesat (AT_FDCWD, file, t); |
139 |
return futimesat (AT_FDCWD, file, t); |
| 130 |
# endif |
140 |
# endif |
| 131 |
} |
141 |
} |
| 132 |
else |
142 |
else |
| 133 |
{ |
143 |
{ |
|
Lines 141-161
Link Here
|
| 141 |
worth optimizing, and who knows what other messed-up systems |
151 |
worth optimizing, and who knows what other messed-up systems |
| 142 |
are out there? So play it safe and fall back on the code |
152 |
are out there? So play it safe and fall back on the code |
| 143 |
below. */ |
153 |
below. */ |
| 144 |
# if HAVE_FUTIMESAT |
154 |
# if HAVE_FUTIMESAT |
| 145 |
if (futimesat (fd, NULL, t) == 0) |
155 |
if (futimesat (fd, NULL, t) == 0) |
| 146 |
return 0; |
156 |
return 0; |
| 147 |
# elif HAVE_FUTIMES |
157 |
# elif HAVE_FUTIMES |
| 148 |
if (futimes (fd, t) == 0) |
158 |
if (futimes (fd, t) == 0) |
| 149 |
return 0; |
159 |
return 0; |
| 150 |
# endif |
160 |
# endif |
| 151 |
} |
161 |
} |
| 152 |
# endif /* HAVE_FUTIMESAT || HAVE_WORKING_UTIMES */ |
162 |
#endif /* HAVE_FUTIMESAT || HAVE_WORKING_UTIMES */ |
| 153 |
|
163 |
|
| 154 |
if (!file) |
164 |
if (!file) |
| 155 |
{ |
165 |
{ |
| 156 |
# if ! (HAVE_FUTIMESAT || (HAVE_WORKING_UTIMES && HAVE_FUTIMES)) |
166 |
#if ! (HAVE_FUTIMESAT || (HAVE_WORKING_UTIMES && HAVE_FUTIMES)) |
| 157 |
errno = ENOSYS; |
167 |
errno = ENOSYS; |
| 158 |
# endif |
168 |
#endif |
| 159 |
|
169 |
|
| 160 |
/* Prefer EBADF to ENOSYS if both error numbers apply. */ |
170 |
/* Prefer EBADF to ENOSYS if both error numbers apply. */ |
| 161 |
if (errno == ENOSYS) |
171 |
if (errno == ENOSYS) |
|
Lines 170-178
Link Here
|
| 170 |
return -1; |
180 |
return -1; |
| 171 |
} |
181 |
} |
| 172 |
|
182 |
|
| 173 |
# if HAVE_WORKING_UTIMES |
183 |
#if HAVE_WORKING_UTIMES |
| 174 |
return utimes (file, t); |
184 |
return utimes (file, t); |
| 175 |
# else |
185 |
#else |
| 176 |
{ |
186 |
{ |
| 177 |
struct utimbuf utimbuf; |
187 |
struct utimbuf utimbuf; |
| 178 |
struct utimbuf const *ut; |
188 |
struct utimbuf const *ut; |
|
Lines 187-195
Link Here
|
| 187 |
|
197 |
|
| 188 |
return utime (file, ut); |
198 |
return utime (file, ut); |
| 189 |
} |
199 |
} |
| 190 |
# endif /* !HAVE_WORKING_UTIMES */ |
200 |
#endif /* !HAVE_WORKING_UTIMES */ |
| 191 |
} |
201 |
} |
| 192 |
#endif /* !HAVE_FUTIMENS */ |
|
|
| 193 |
} |
202 |
} |
| 194 |
|
203 |
|
| 195 |
/* Set the access and modification time stamps of FILE to be |
204 |
/* Set the access and modification time stamps of FILE to be |
