EPICS_driver_modules/StreamDevice
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explicit cast to avoid compiler warning

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This commit is contained in:
zimoch
2011-03-10 10:12:53 +00:00
parent b64d486925
commit f521da8606
1 changed files with 11 additions and 11 deletions
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22
src/RawFloatConverter.cc
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@ -40,10 +40,10 @@ parse(const StreamFormat& format, StreamBuffer&,
if (!endian) { if (!endian) {
union {long l; char c [sizeof(long)];} u; union {long l; char c [sizeof(long)];} u;
u.l=1; u.l=1;
if (u.c[0]) { endian = 1234;} // little endian if (u.c[0]) { endian = 1234;} // little endian
else if (u.c[sizeof(long)-1]) { endian = 4321;} // big endian else if (u.c[sizeof(long)-1]) { endian = 4321;} // big endian
else { else {
error ("Cannot find out byte order for %%R format.\n"); error ("Cannot find out byte order for %%R format.\n");
return false; return false;
} }
} }
@ -64,16 +64,16 @@ printDouble(const StreamFormat& format, StreamBuffer& output, double value)
float fval; float fval;
char bytes[8]; char bytes[8];
} buffer; } buffer;
nbOfBytes = format.width; nbOfBytes = format.width;
if (nbOfBytes == 0) if (nbOfBytes == 0)
nbOfBytes = 4; nbOfBytes = 4;
if (nbOfBytes == 4) if (nbOfBytes == 4)
buffer.fval = value; buffer.fval = (float)value;
else else
buffer.dval = value; buffer.dval = value;
if (!(format.flags & alt_flag) ^ (endian == 4321)) if (!(format.flags & alt_flag) ^ (endian == 4321))
{ {
// swap if byte orders differ // swap if byte orders differ
@ -86,7 +86,7 @@ printDouble(const StreamFormat& format, StreamBuffer& output, double value)
{ {
output.append(buffer.bytes[n]); output.append(buffer.bytes[n]);
} }
} }
return true; return true;
} }
@ -101,7 +101,7 @@ scanDouble(const StreamFormat& format, const char* input, double& value)
float fval; float fval;
char bytes[8]; char bytes[8];
} buffer; } buffer;
nbOfBytes = format.width; nbOfBytes = format.width;
if (nbOfBytes == 0) if (nbOfBytes == 0)
nbOfBytes = 4; nbOfBytes = 4;
@ -110,7 +110,7 @@ scanDouble(const StreamFormat& format, const char* input, double& value)
{ {
return(nbOfBytes); // just skip input return(nbOfBytes); // just skip input
} }
if (!(format.flags & alt_flag) ^ (endian == 4321)) if (!(format.flags & alt_flag) ^ (endian == 4321))
{ {
// swap if byte orders differ // swap if byte orders differ
@ -127,7 +127,7 @@ scanDouble(const StreamFormat& format, const char* input, double& value)
if (nbOfBytes == 4) if (nbOfBytes == 4)
value = buffer.fval; value = buffer.fval;
else else
value = buffer.dval; value = buffer.dval;
return nbOfBytes; return nbOfBytes;