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| author | Brian Paul <brianp@vmware.com> | 2016-06-14 20:35:53 -0600 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2016-06-15 17:16:42 -0600 |
| commit | bb1292e2261fa591cf66de443a1b0d4eb7f65cb2 (patch) | |
| tree | efbde36bbd61ec6e56e066285b59362bb5b67166 | |
| parent | c99a0a8bcece2870f3e93328ab520efc2c9f7983 (diff) | |
| download | external_mesa3d-bb1292e2261fa591cf66de443a1b0d4eb7f65cb2.zip external_mesa3d-bb1292e2261fa591cf66de443a1b0d4eb7f65cb2.tar.gz external_mesa3d-bb1292e2261fa591cf66de443a1b0d4eb7f65cb2.tar.bz2 | |
auxilary/os: allow appending to GALLIUM_LOG_FILE
If the log file specified by the GALLIUM_LOG_FILE begins with '+', open
the file in append mode. This is useful to log all gallium output for
an entire piglit run, for example.
v2: put GALLIUM_LOG_FILE support inside an #ifdef DEBUG block.
Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
| -rw-r--r-- | src/gallium/auxiliary/os/os_misc.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/os/os_misc.c b/src/gallium/auxiliary/os/os_misc.c index d6b83e9..82e4957 100644 --- a/src/gallium/auxiliary/os/os_misc.c +++ b/src/gallium/auxiliary/os/os_misc.c @@ -69,10 +69,21 @@ os_log_message(const char *message) static FILE *fout = NULL; if (!fout) { +#ifdef DEBUG /* one-time init */ const char *filename = os_get_option("GALLIUM_LOG_FILE"); - if (filename) - fout = fopen(filename, "w"); + if (filename) { + const char *mode = "w"; + if (filename[0] == '+') { + /* If the filename is prefixed with '+' then open the file for + * appending instead of normal writing. + */ + mode = "a"; + filename++; /* skip the '+' */ + } + fout = fopen(filename, mode); + } +#endif if (!fout) fout = stderr; } |