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openSUSE:12.1:Update
alsa
0030-conf-Allow-for-a-directory-to-be-given-as-...
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File 0030-conf-Allow-for-a-directory-to-be-given-as-a-config-f.patch of Package alsa
From 7924500688fdfeac71e5968e5f5875726a8dce14 Mon Sep 17 00:00:00 2001 From: Colin Guthrie <colin@mageia.org> Date: Fri, 16 Sep 2011 10:04:26 +0100 Subject: [PATCH] conf: Allow for a directory to be given as a config file. When this is done, *.conf files can be placed in that directory and they will be processed by as if they were included directly. A directory (typically /usr/share/alsa/alsa.conf.d/) has been added into the distribution. v2: Used existing conf syntax rather than processing via autotools v3: Split file loading into separate function and made error handling more consistent. Signed-off-by: Colin Guthrie <colin@mageia.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> --- configure.in | 3 +- src/conf.c | 78 ++++++++++++++++++++++++++++++++----- src/conf/Makefile.am | 2 +- src/conf/alsa.conf | 7 +++ src/conf/alsa.conf.d/Makefile.am | 8 ++++ src/conf/alsa.conf.d/README | 2 + 6 files changed, 87 insertions(+), 13 deletions(-) create mode 100644 src/conf/alsa.conf.d/Makefile.am create mode 100644 src/conf/alsa.conf.d/README diff --git a/configure.in b/configure.in index 7ee0ccc..13e38b8 100644 --- a/configure.in +++ b/configure.in @@ -616,7 +616,8 @@ AC_OUTPUT(Makefile doc/Makefile doc/pictures/Makefile doc/doxygen.cfg \ src/pcm/Makefile src/pcm/scopes/Makefile \ src/rawmidi/Makefile src/timer/Makefile \ src/hwdep/Makefile src/seq/Makefile src/ucm/Makefile \ - src/compat/Makefile src/alisp/Makefile src/conf/Makefile \ + src/compat/Makefile src/alisp/Makefile \ + src/conf/Makefile src/conf/alsa.conf.d/Makefile \ src/conf/cards/Makefile \ src/conf/pcm/Makefile \ modules/Makefile modules/mixer/Makefile modules/mixer/simple/Makefile \ diff --git a/src/conf.c b/src/conf.c index ddefff6..5b1b5a6 100644 --- a/src/conf.c +++ b/src/conf.c @@ -417,6 +417,7 @@ beginning:</P> #include <stdarg.h> #include <limits.h> #include <sys/stat.h> +#include <dirent.h> #include <locale.h> #include "local.h" #ifdef HAVE_LIBPTHREAD @@ -3373,6 +3374,42 @@ static int snd_config_hooks(snd_config_t *config, snd_config_t *private_data) return err; } +static int config_filename_filter(const struct dirent *dirent) +{ + size_t flen; + + if (dirent == NULL) + return 0; + if (dirent->d_type == DT_DIR) + return 0; + + flen = strlen(dirent->d_name); + if (flen <= 5) + return 0; + + if (strncmp(&dirent->d_name[flen-5], ".conf", 5) == 0) + return 1; + + return 0; +} + +static int config_file_open(snd_config_t *root, const char *filename) +{ + snd_input_t *in; + int err; + + err = snd_input_stdio_open(&in, filename, "r"); + if (err >= 0) { + err = snd_config_load(root, in); + snd_input_close(in); + if (err < 0) + SNDERR("%s may be old or corrupted: consider to remove or fix it", filename); + } else + SNDERR("cannot access file %s", filename); + + return err; +} + /** * \brief Loads and parses the given configurations files. * \param[in] root Handle to the root configuration node. @@ -3457,20 +3494,39 @@ int snd_config_hook_load(snd_config_t *root, snd_config_t *config, snd_config_t } } while (hit); for (idx = 0; idx < fi_count; idx++) { - snd_input_t *in; + struct stat st; if (!errors && access(fi[idx].name, R_OK) < 0) continue; - err = snd_input_stdio_open(&in, fi[idx].name, "r"); - if (err >= 0) { - err = snd_config_load(root, in); - snd_input_close(in); - if (err < 0) { - SNDERR("%s may be old or corrupted: consider to remove or fix it", fi[idx].name); - goto _err; - } - } else { - SNDERR("cannot access file %s", fi[idx].name); + if (stat(fi[idx].name, &st) < 0) { + SNDERR("cannot stat file/directory %s", fi[idx].name); + continue; } + if (S_ISDIR(st.st_mode)) { + struct dirent **namelist; + int n; + + n = scandir(fi[idx].name, &namelist, config_filename_filter, versionsort); + if (n > 0) { + int j; + err = 0; + for (j = 0; j < n; ++j) { + if (err >= 0) { + int sl = strlen(fi[idx].name) + strlen(namelist[j]->d_name) + 2; + char *filename = malloc(sl); + snprintf(filename, sl, "%s/%s", fi[idx].name, namelist[j]->d_name); + filename[sl-1] = '\0'; + + err = config_file_open(root, filename); + free(filename); + } + free(namelist[j]); + } + free(namelist); + if (err < 0) + goto _err; + } + } else if (config_file_open(root, fi[idx].name) < 0) + goto _err; } *dst = NULL; err = 0; diff --git a/src/conf/Makefile.am b/src/conf/Makefile.am index 2e5d0bf..456454f 100644 --- a/src/conf/Makefile.am +++ b/src/conf/Makefile.am @@ -1,4 +1,4 @@ -SUBDIRS=cards pcm +SUBDIRS=cards pcm alsa.conf.d cfg_files = alsa.conf if BUILD_ALISP diff --git a/src/conf/alsa.conf b/src/conf/alsa.conf index a33c24e..bc91df3 100644 --- a/src/conf/alsa.conf +++ b/src/conf/alsa.conf @@ -8,6 +8,13 @@ { func load files [ + { + @func concat + strings [ + { @func datadir } + "/alsa.conf.d/" + ] + } "/etc/asound.conf" "~/.asoundrc" ] diff --git a/src/conf/alsa.conf.d/Makefile.am b/src/conf/alsa.conf.d/Makefile.am new file mode 100644 index 0000000..c91661e --- /dev/null +++ b/src/conf/alsa.conf.d/Makefile.am @@ -0,0 +1,8 @@ +alsaconfigdir = @ALSA_CONFIG_DIR@ +alsadir = $(alsaconfigdir)/alsa.conf.d +cfg_files = README + +alsa_DATA = $(cfg_files) + +EXTRA_DIST = \ + $(cfg_files) diff --git a/src/conf/alsa.conf.d/README b/src/conf/alsa.conf.d/README new file mode 100644 index 0000000..9997884 --- /dev/null +++ b/src/conf/alsa.conf.d/README @@ -0,0 +1,2 @@ +You can place files named *.conf in this folder and they will be processed +when initialising alsa-lib. -- 1.7.6.1
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