diff options
author | Brian Paul <[email protected]> | 2016-06-14 20:35:53 -0600 |
---|---|---|
committer | Brian Paul <[email protected]> | 2016-06-15 17:16:42 -0600 |
commit | bb1292e2261fa591cf66de443a1b0d4eb7f65cb2 (patch) | |
tree | efbde36bbd61ec6e56e066285b59362bb5b67166 /src/gallium/auxiliary/os/os_misc.c | |
parent | c99a0a8bcece2870f3e93328ab520efc2c9f7983 (diff) |
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 <[email protected]>
Diffstat (limited to 'src/gallium/auxiliary/os/os_misc.c')
-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 d6b83e90e3d..82e49577352 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; } |