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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2009-03-31 21:10:03 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2009-03-31 21:10:03 +0200 |
| commit | c66e39e126397c4954cbbbe6b969461ba6a2dbcd (patch) | |
| tree | 0cb5bac5c6a9dc8e772c9081121610c7b498112f | |
| parent | e9e35680bf651139ee6ce153e0aaa7308ab01ca5 (diff) | |
add pulseaudio patch example
| -rw-r--r-- | unsorted/PortingIssues.mdwn | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/unsorted/PortingIssues.mdwn b/unsorted/PortingIssues.mdwn index 03980ef3..e26fa710 100644 --- a/unsorted/PortingIssues.mdwn +++ b/unsorted/PortingIssues.mdwn @@ -51,7 +51,7 @@ If you get Bad File Descriptor error when trying to read from a file (or accessi ## <a name="PATH_MAX_tt_MAX_PATH_tt_MAXPATHL"> `PATH_MAX` / `MAX_PATH` / `MAXPATHLEN` </a> -Every unconditionalized use of `PATH_MAX`, `MAX_PATH` or `MAXPATHLEN` is a POSIX incompatibility. If there is no upper limit on the length of a path (as its the case for GNU), this symbol is not defined in any header file. Instead, you need to either use a different implementation that does not rely on the length of a string or use `sysconf()` to query the length at runtime. If `sysconf()` returns -1, you have to use `realloc()` to allocate the needed memory dynamically. Usually it is thus simpler to just use dynamic allocation. Sometimes the amount is actually known. Else, a geometrically growing loop can be used: for instance, see [Alioth patch](http://alioth.debian.org/tracker/download.php/30628/410472/303735/1575/cpulimit-path-max-fix.patch). Note that in some cases there are GNU extensions that just work fine: when the `__GLIBC__` macro is defined, `getcwd()` calls can be just replaced by `get_current_dir_name()` calls. +Every unconditionalized use of `PATH_MAX`, `MAX_PATH` or `MAXPATHLEN` is a POSIX incompatibility. If there is no upper limit on the length of a path (as its the case for GNU), this symbol is not defined in any header file. Instead, you need to either use a different implementation that does not rely on the length of a string or use `sysconf()` to query the length at runtime. If `sysconf()` returns -1, you have to use `realloc()` to allocate the needed memory dynamically. Usually it is thus simpler to just use dynamic allocation. Sometimes the amount is actually known. Else, a geometrically growing loop can be used: for instance, see [Alioth patch](http://alioth.debian.org/tracker/download.php/30628/410472/303735/1575/cpulimit-path-max-fix.patch) or [Pulseaudio patch](http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;filename=patch-pulse;att=1;bug=522100). Note that in some cases there are GNU extensions that just work fine: when the `__GLIBC__` macro is defined, `getcwd()` calls can be just replaced by `get_current_dir_name()` calls. ## <a name="ARG_MAX"> `ARG_MAX` </a> |