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Fixed error handling when opening frquencies files. 

Let `compute_trace()` return `NULL` and set `nsat` to zero if data files
cannot be opened. Otherwise the caller would receive undefined values.
pull/16/head
Mario Haustein 2020-05-21 18:29:04 +02:00
parent f39ded98f7
commit e6beaae22c
1 changed files with 6 additions and 2 deletions
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8
rftrace.c
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@ -512,7 +512,8 @@ struct trace *compute_trace(char *tlefile,double *mjd,int n,int site_id,float fr
infile=fopen(freqlist,"r");
if (infile==NULL) {
printf("%s not found\n",freqlist);
return t;
*nsat=0;
return NULL;
} else {
for (i=0;;) {
if (fgetline(infile,line,LIM)<=0)
@ -530,7 +531,10 @@ struct trace *compute_trace(char *tlefile,double *mjd,int n,int site_id,float fr
}
// Break out
if (i==0)
return t;
{
*nsat=0;
return NULL;
}
// Valid MJDs
for (i=0;i<n;i++)