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switch-on-connect: Add blacklisting

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Add a new module argument, blacklist, which is a regular expression.
If the sink/source name matches the provided blacklist regex, don't
automatically switch to it. By default, no devices are blacklisted.

Add a new function to check whenever a regex pattern is valid, plus
extra NULL asserts in pa_match.
This commit is contained in:
Ryszard Knop 2019-11-17 15:24:03 +01:00
parent c90894b4d5
commit ad16d77dfe
3 changed files with 48 additions and 0 deletions
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20
src/pulsecore/core-util.c
View file

@ -784,12 +784,16 @@ void pa_reset_priority(void) {
#endif
}
/* Check whenever any substring in v matches the provided regex. */
int pa_match(const char *expr, const char *v) {
#if defined(HAVE_REGEX_H) || defined(HAVE_PCREPOSIX_H)
int k;
regex_t re;
int r;
pa_assert(expr);
pa_assert(v);
if (regcomp(&re, expr, REG_NOSUB|REG_EXTENDED) != 0) {
errno = EINVAL;
return -1;
@ -814,6 +818,22 @@ int pa_match(const char *expr, const char *v) {
#endif
}
/* Check whenever the provided regex pattern is valid. */
bool pa_is_regex_valid(const char *expr) {
#if defined(HAVE_REGEX_H) || defined(HAVE_PCREPOSIX_H)
regex_t re;
if (expr == NULL || regcomp(&re, expr, REG_NOSUB|REG_EXTENDED) != 0) {
return false;
}
regfree(&re);
return true;
#else
return false;
#endif
}
/* Try to parse a boolean string value.*/
int pa_parse_boolean(const char *v) {
pa_assert(v);