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Files
e8f6124996
right from scratch without the slightest reference to any dialog templates (meaning that we get to figure out the layout and _then_ choose the window size). I'm rather pleased with that. Also introduced free_cfg(), which is why this checkin touched gtk.c as well. [originally from svn r4184]
36 lines
551 B
C
36 lines
551 B
C
/*
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* misc.c: Miscellaneous helpful functions.
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include "puzzles.h"
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int rand_upto(int limit)
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{
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unsigned long divisor = RAND_MAX / (unsigned)limit;
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unsigned long max = divisor * (unsigned)limit;
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unsigned long n;
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assert(limit > 0);
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do {
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n = rand();
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} while (n >= max);
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n /= divisor;
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return (int)n;
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}
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void free_cfg(config_item *cfg)
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{
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config_item *i;
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for (i = cfg; i->type != C_END; i++)
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if (i->type == C_STRING)
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sfree(i->sval);
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sfree(cfg);
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}
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