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Adopt C99 bool in the findloop API.

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This shouldn't be a disruptive change at all: findloop_run and
findloop_is_loop_edge now return bool in place of int, but client code
should automatically adjust without needing any changes.
This commit is contained in:
Simon Tatham
2018-11-13 21:40:23 +00:00
parent 20b56788bc
commit 8fb4cd031a
2 changed files with 9 additions and 9 deletions
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12
puzzles.h
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@ -580,22 +580,22 @@ void findloop_free_state(struct findloopstate *);
typedef int (*neighbour_fn_t)(int vertex, void *ctx);
/*
* Actual function to find loops. 'ctx' will be passed unchanged to
* the 'neighbour' function to query graph edges. Returns FALSE if no
* loop was found, or TRUE if one was.
* the 'neighbour' function to query graph edges. Returns false if no
* loop was found, or true if one was.
*/
int findloop_run(struct findloopstate *state, int nvertices,
neighbour_fn_t neighbour, void *ctx);
bool findloop_run(struct findloopstate *state, int nvertices,
neighbour_fn_t neighbour, void *ctx);
/*
* Query whether an edge is part of a loop, in the output of
* find_loops.
*
* Due to the internal storage format, if you pass u,v which are not
* connected at all, the output will be TRUE. (The algorithm actually
* connected at all, the output will be true. (The algorithm actually
* stores an exhaustive list of *non*-loop edges, because there are
* fewer of those, so really it's querying whether the edge is on that
* list.)
*/
int findloop_is_loop_edge(struct findloopstate *state, int u, int v);
bool findloop_is_loop_edge(struct findloopstate *state, int u, int v);
/*
* Data structure containing the function calls and data specific