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Fix broken unpacking algorithm.

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Also trim trailing whitespace.
This commit is contained in:
Jason S. Ninneman 2017-06-11 14:59:08 -07:00
parent a2e0c55fb4
commit bcfecca1a1
1 changed files with 13 additions and 1 deletions
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14
misc.c
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@ -23,12 +23,24 @@ void* xmalloc(size_t size)
void packed_to_token(long packed, char token[6]) void packed_to_token(long packed, char token[6])
{ {
// Unpack and map back to ASCII.
for (int i = 0; i < 5; ++i) for (int i = 0; i < 5; ++i)
{ {
char advent = (packed >> i * 6) & 63; char advent = (packed >> i * 6) & 63;
token[i] = advent_to_ascii[advent]; token[4 - i] = advent_to_ascii[advent];
} }
// Ensure the last character is \0.
token[5] = '\0'; token[5] = '\0';
// Replace trailing whitespace with \0.
for (int i = 4; i >= 0; --i)
{
if (token[i] == ' ' || token[i] == '\t')
token[i] = '\0';
else
break;
}
} }
/* I/O routines (SPEAK, PSPEAK, RSPEAK, SETPRM, GETIN, YES) */ /* I/O routines (SPEAK, PSPEAK, RSPEAK, SETPRM, GETIN, YES) */