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Stop using a zero precision specifier with sprintf ("%.0d") to cause

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zero to be generated as the empty string rather than "0". Instead, do
the job by the obvious approach of not calling sprintf at all if the
number is zero. Works around a bug in Emscripten's C library, whose
sprintf doesn't correctly handle that corner case.

[originally from svn r9893]
This commit is contained in:
Simon Tatham
2013-07-05 21:54:45 +00:00
parent 57918d452e
commit 82d772e12a
1 changed files with 4 additions and 1 deletions
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5
towers.c
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@ -741,7 +741,10 @@ done
desc = snewn(40*a, char); desc = snewn(40*a, char);
p = desc; p = desc;
for (i = 0; i < 4*w; i++) { for (i = 0; i < 4*w; i++) {
p += sprintf(p, "%s%.0d", i?"/":"", clues[i]); if (i)
*p++ = '/';
if (clues[i])
p += sprintf(p, "%d", clues[i]);
} }
for (i = 0; i < a; i++) for (i = 0; i < a; i++)
if (grid[i]) if (grid[i])