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Change snd_dlopen() function to return the error string

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The dlopen() function might fail also for another reason than
a missing file, thus return the error string from dlerror().

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2017-11-22 13:23:45 +01:00
parent 38a39091e3
commit c051036e17
13 changed files with 90 additions and 51 deletions
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2
include/global.h
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@ -97,7 +97,7 @@ extern struct snd_dlsym_link *snd_dlsym_start;
/** \brief Returns the version of a dynamic symbol as a string. */
#define SND_DLSYM_VERSION(version) __STRING(version)
void *snd_dlopen(const char *file, int mode);
void *snd_dlopen(const char *file, int mode, char *errbuf, size_t errbuflen);
void *snd_dlsym(void *handle, const char *name, const char *version);
int snd_dlclose(void *handle);