Message ID | 0896d4af907d71df29b0c4f5a27d24ea80b3c0e1.1707857541.git.gitgitgadget@gmail.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show |
Series | FSMonitor edge cases on case-insensitive file systems | expand |
"Jeff Hostetler via GitGitGadget" <gitgitgadget@gmail.com> writes: > From: Jeff Hostetler <jeffhostetler@github.com> > > Signed-off-by: Jeff Hostetler <jeffhostetler@github.com> > --- > fsmonitor.c | 66 ++++++++++++++++++++++++++++++----------------------- > 1 file changed, 38 insertions(+), 28 deletions(-) Up to this point, I found it a very pleasant read. Nothing surprising or unexpected. Just a simple series of nice clean-ups. Thanks.
On Tue, Feb 13, 2024 at 08:52:14PM +0000, Jeff Hostetler via GitGitGadget wrote: > From: Jeff Hostetler <jeffhostetler@github.com> > > Signed-off-by: Jeff Hostetler <jeffhostetler@github.com> > --- > fsmonitor.c | 66 ++++++++++++++++++++++++++++++----------------------- > 1 file changed, 38 insertions(+), 28 deletions(-) > > diff --git a/fsmonitor.c b/fsmonitor.c > index b1ef01bf3cd..614270fa5e8 100644 > --- a/fsmonitor.c > +++ b/fsmonitor.c > @@ -183,6 +183,42 @@ static int query_fsmonitor_hook(struct repository *r, > return result; > } > > +static void fsmonitor_refresh_callback_unqualified( > + struct index_state *istate, const char *name, int len, int pos) > +{ > + int i; Same remarks here regarding the integer types. But again, not a fault of your patch. Patrick > + > + if (pos >= 0) { > + /* > + * We have an exact match for this path and can just > + * invalidate it. > + */ > + istate->cache[pos]->ce_flags &= ~CE_FSMONITOR_VALID; > + } else { > + /* > + * The path is not a tracked file -or- it is a > + * directory event on a platform that cannot > + * distinguish between file and directory events in > + * the event handler, such as Windows. > + * > + * Scan as if it is a directory and invalidate the > + * cone under it. (But remember to ignore items > + * between "name" and "name/", such as "name-" and > + * "name.". > + */ > + pos = -pos - 1; > + > + for (i = pos; i < istate->cache_nr; i++) { > + if (!starts_with(istate->cache[i]->name, name)) > + break; > + if ((unsigned char)istate->cache[i]->name[len] > '/') > + break; > + if (istate->cache[i]->name[len] == '/') > + istate->cache[i]->ce_flags &= ~CE_FSMONITOR_VALID; > + } > + } > +} > + > static void fsmonitor_refresh_callback_slash( > struct index_state *istate, const char *name, int len, int pos) > { > @@ -214,7 +250,7 @@ static void fsmonitor_refresh_callback_slash( > > static void fsmonitor_refresh_callback(struct index_state *istate, char *name) > { > - int i, len = strlen(name); > + int len = strlen(name); > int pos = index_name_pos(istate, name, len); > > trace_printf_key(&trace_fsmonitor, > @@ -229,34 +265,8 @@ static void fsmonitor_refresh_callback(struct index_state *istate, char *name) > * for the untracked cache. > */ > name[len - 1] = '\0'; > - } else if (pos >= 0) { > - /* > - * We have an exact match for this path and can just > - * invalidate it. > - */ > - istate->cache[pos]->ce_flags &= ~CE_FSMONITOR_VALID; > } else { > - /* > - * The path is not a tracked file -or- it is a > - * directory event on a platform that cannot > - * distinguish between file and directory events in > - * the event handler, such as Windows. > - * > - * Scan as if it is a directory and invalidate the > - * cone under it. (But remember to ignore items > - * between "name" and "name/", such as "name-" and > - * "name.". > - */ > - pos = -pos - 1; > - > - for (i = pos; i < istate->cache_nr; i++) { > - if (!starts_with(istate->cache[i]->name, name)) > - break; > - if ((unsigned char)istate->cache[i]->name[len] > '/') > - break; > - if (istate->cache[i]->name[len] == '/') > - istate->cache[i]->ce_flags &= ~CE_FSMONITOR_VALID; > - } > + fsmonitor_refresh_callback_unqualified(istate, name, len, pos); > } > > /* > -- > gitgitgadget > >
diff --git a/fsmonitor.c b/fsmonitor.c index b1ef01bf3cd..614270fa5e8 100644 --- a/fsmonitor.c +++ b/fsmonitor.c @@ -183,6 +183,42 @@ static int query_fsmonitor_hook(struct repository *r, return result; } +static void fsmonitor_refresh_callback_unqualified( + struct index_state *istate, const char *name, int len, int pos) +{ + int i; + + if (pos >= 0) { + /* + * We have an exact match for this path and can just + * invalidate it. + */ + istate->cache[pos]->ce_flags &= ~CE_FSMONITOR_VALID; + } else { + /* + * The path is not a tracked file -or- it is a + * directory event on a platform that cannot + * distinguish between file and directory events in + * the event handler, such as Windows. + * + * Scan as if it is a directory and invalidate the + * cone under it. (But remember to ignore items + * between "name" and "name/", such as "name-" and + * "name.". + */ + pos = -pos - 1; + + for (i = pos; i < istate->cache_nr; i++) { + if (!starts_with(istate->cache[i]->name, name)) + break; + if ((unsigned char)istate->cache[i]->name[len] > '/') + break; + if (istate->cache[i]->name[len] == '/') + istate->cache[i]->ce_flags &= ~CE_FSMONITOR_VALID; + } + } +} + static void fsmonitor_refresh_callback_slash( struct index_state *istate, const char *name, int len, int pos) { @@ -214,7 +250,7 @@ static void fsmonitor_refresh_callback_slash( static void fsmonitor_refresh_callback(struct index_state *istate, char *name) { - int i, len = strlen(name); + int len = strlen(name); int pos = index_name_pos(istate, name, len); trace_printf_key(&trace_fsmonitor, @@ -229,34 +265,8 @@ static void fsmonitor_refresh_callback(struct index_state *istate, char *name) * for the untracked cache. */ name[len - 1] = '\0'; - } else if (pos >= 0) { - /* - * We have an exact match for this path and can just - * invalidate it. - */ - istate->cache[pos]->ce_flags &= ~CE_FSMONITOR_VALID; } else { - /* - * The path is not a tracked file -or- it is a - * directory event on a platform that cannot - * distinguish between file and directory events in - * the event handler, such as Windows. - * - * Scan as if it is a directory and invalidate the - * cone under it. (But remember to ignore items - * between "name" and "name/", such as "name-" and - * "name.". - */ - pos = -pos - 1; - - for (i = pos; i < istate->cache_nr; i++) { - if (!starts_with(istate->cache[i]->name, name)) - break; - if ((unsigned char)istate->cache[i]->name[len] > '/') - break; - if (istate->cache[i]->name[len] == '/') - istate->cache[i]->ce_flags &= ~CE_FSMONITOR_VALID; - } + fsmonitor_refresh_callback_unqualified(istate, name, len, pos); } /*