static void append_to_buffer_valist(char **buff, size_t *buff_size, size_t *offset, const char *fmt, va_list args) {
belle_sip_error_code ret;
size_t prevoffset = *offset;
#ifndef _WIN32
va_list cap;/*copy of our argument list: a va_list cannot be re-used (SIGSEGV on linux 64 bits)*/
va_copy(cap,args);
ret = belle_sip_snprintf_valist(*buff, *buff_size, offset, fmt, cap);
va_end(cap);
#else
ret = belle_sip_snprintf_valist(*buff, *buff_size, offset, fmt, args);
#endif
/*if we are out of memory, we add some size to buffer*/
if (ret == BELLE_SIP_BUFFER_OVERFLOW) {
/*some compilers complain that size_t cannot be formatted as unsigned long, hence forcing cast*/
ms_warning("QualityReporting: Buffer was too small to contain the whole report - increasing its size from %lu to %lu",
(unsigned long)*buff_size, (unsigned long)*buff_size + 2048);
*buff_size += 2048;
*buff = (char *) ms_realloc(*buff, *buff_size);
*offset = prevoffset;
/*recall itself since we did not write all things into the buffer but
only a part of it*/
append_to_buffer_valist(buff, buff_size, offset, fmt, args);
}
}
char *ms_load_file_content(FILE *f, size_t *nbytes){
size_t bufsize=2048;
size_t step=bufsize;
size_t pos=0;
size_t count;
char *buffer=ms_malloc(bufsize+1);
while((count=fread(buffer+pos, 1, step, f))>0){
pos+=count;
if (pos+step>=bufsize){
bufsize*=2;
buffer=ms_realloc(buffer, bufsize+1);
}
}
if (nbytes) *nbytes=pos;
buffer[pos]='\0';
return buffer;
}
static char *load_file_content(const char *path){
FILE *f=fopen(path,"rb");
size_t bufsize=2048;
size_t step=bufsize;
size_t pos=0;
size_t count;
char *buffer=ms_malloc(bufsize+1);
if (!f) {
ms_error("load_file_content(): could not open [%s]",path);
return NULL;
}
while((count=fread(buffer+pos, 1, step, f))>0){
pos+=count;
if (pos+step>=bufsize){
bufsize*=2;
buffer=ms_realloc(buffer, bufsize+1);
}
}
buffer[pos]='\0';
fclose(f);
return buffer;
}
static void make_supported_header(Sal *sal){
bctbx_list_t *it;
char *alltags=NULL;
size_t buflen=64;
size_t written=0;
if (sal->supported){
belle_sip_object_unref(sal->supported);
sal->supported=NULL;
}
for(it=sal->supported_tags;it!=NULL;it=it->next){
const char *tag=(const char*)it->data;
size_t taglen=strlen(tag);
if (alltags==NULL || (written+taglen+1>=buflen)) alltags=ms_realloc(alltags,(buflen=buflen*2));
written+=snprintf(alltags+written,buflen-written,it->next ? "%s, " : "%s",tag);
}
if (alltags){
sal->supported=belle_sip_header_create("Supported",alltags);
if (sal->supported){
belle_sip_object_ref(sal->supported);
}
ms_free(alltags);
}
}
static void enlarge_bitstream(DecData *d, int new_size){
d->bitstream_size=new_size;
d->bitstream=(uint8_t *)ms_realloc(d->bitstream,d->bitstream_size);
}
void check_sound_device(LinphoneCore *lc)
{
#ifdef _linux
int fd=0;
int len;
int a;
char *file=NULL;
char *i810_audio=NULL;
char *snd_pcm_oss=NULL;
char *snd_mixer_oss=NULL;
char *snd_pcm=NULL;
fd=open("/proc/modules",O_RDONLY);
if (fd>0){
/* read the entire /proc/modules file and check if sound conf seems correct */
/*a=fstat(fd,&statbuf);
if (a<0) ms_warning("Can't stat /proc/modules:%s.",strerror(errno));
len=statbuf.st_size;
if (len==0) ms_warning("/proc/modules has zero size!");
*/
/***** fstat does not work on /proc/modules for unknown reason *****/
len=6000;
file=ms_malloc(len+1);
a=read(fd,file,len);
if (a<len) file=ms_realloc(file,a+1);
file[a]='\0';
i810_audio=strstr(file,"i810_audio");
if (i810_audio!=NULL){
/* I'm sorry i put this warning in comments because
* i don't use yet the right driver !! */
/* lc->vtable.display_warning(lc,_("You are currently using the i810_audio driver.\nThis driver is buggy and so does not work with Linphone.\nWe suggest that you replace it by its equivalent ALSA driver,\neither with packages from your distribution, or by downloading\nALSA drivers at http://www.alsa-project.org."));*/
goto end;
}
snd_pcm=strstr(file,"snd-pcm");
if (snd_pcm!=NULL){
snd_pcm_oss=strstr(file,"snd-pcm-oss");
snd_mixer_oss=strstr(file,"snd-mixer-oss");
if (snd_pcm_oss==NULL){
lc->vtable.display_warning(lc,_("Your computer appears to be using ALSA sound drivers.\nThis is the best choice. However the pcm oss emulation module\nis missing and linphone needs it. Please execute\n'modprobe snd-pcm-oss' as root to load it."));
}
if (snd_mixer_oss==NULL){
lc->vtable.display_warning(lc,_("Your computer appears to be using ALSA sound drivers.\nThis is the best choice. However the mixer oss emulation module\nis missing and linphone needs it. Please execute\n 'modprobe snd-mixer-oss' as root to load it."));
}
}
}else {
ms_warning("Could not open /proc/modules.");
}
/* now check general volume. Some user forget to rise it and then complain that linphone is
not working */
/* but some other users complain that linphone should not change levels...
if (lc->sound_conf.sndcard!=NULL){
a=snd_card_get_level(lc->sound_conf.sndcard,SND_CARD_LEVEL_GENERAL);
if (a<50){
ms_warning("General level is quite low (%i). Linphone rises it up for you.",a);
snd_card_set_level(lc->sound_conf.sndcard,SND_CARD_LEVEL_GENERAL,80);
}
}
*/
end:
if (file!=NULL) ms_free(file);
if (fd>0) close(fd);
#endif
}
