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fix up another place where the code made assumptions about how space for

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variables would be allocatted on the stack


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@28934 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2006-05-20 01:28:14 +00:00
parent df6767fa52
commit bdc30b8d9d
1 changed files with 6 additions and 7 deletions
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13
apps/app_sms.c
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@@ -1176,14 +1176,13 @@ static void sms_messagetx(sms_t * h)
static int sms_generate (struct ast_channel *chan, void *data, int len, int samples) static int sms_generate (struct ast_channel *chan, void *data, int len, int samples)
{ {
struct ast_frame f = { 0 }; struct ast_frame f = { 0 };
unsigned char waste[AST_FRIENDLY_OFFSET];
#define MAXSAMPLES (800) #define MAXSAMPLES (800)
#ifdef OUTALAW #ifdef OUTALAW
unsigned char buf[MAXSAMPLES]; unsigned char *buf;
#else #else
signed short buf[MAXSAMPLES]; short *buf;
#endif #endif
#define SAMPLE2LEN (sizeof (buf[0])) #define SAMPLE2LEN sizeof(*buf)
sms_t *h = data; sms_t *h = data;
int i; int i;
@@ -1192,9 +1191,9 @@ static int sms_generate (struct ast_channel *chan, void *data, int len, int samp
MAXSAMPLES, samples); MAXSAMPLES, samples);
samples = MAXSAMPLES; samples = MAXSAMPLES;
} }
len = samples * SAMPLE2LEN; len = samples * SAMPLE2LEN + AST_FRIENDLY_OFFSET;
buf = alloca(len);
waste[0] = 0; /* make compiler happy */
f.frametype = AST_FRAME_VOICE; f.frametype = AST_FRAME_VOICE;
#ifdef OUTALAW #ifdef OUTALAW
f.subclass = AST_FORMAT_ALAW; f.subclass = AST_FORMAT_ALAW;
@@ -1204,7 +1203,7 @@ static int sms_generate (struct ast_channel *chan, void *data, int len, int samp
f.datalen = len; f.datalen = len;
f.offset = AST_FRIENDLY_OFFSET; f.offset = AST_FRIENDLY_OFFSET;
f.mallocd = 0; f.mallocd = 0;
f.data = buf; f.data = buf + AST_FRIENDLY_OFFSET;
f.samples = samples; f.samples = samples;
f.src = "app_sms"; f.src = "app_sms";
/* create a buffer containing the digital sms pattern */ /* create a buffer containing the digital sms pattern */