X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fmisc.h;h=782a6fab0512a23a775515a6b4080f55d3b24669;hb=550d22ec0c3f530f5d317746f3f7e75251a1de4b;hp=5c9d3c4f3244027f7ba0985aa422648d8a20236d;hpb=2409e8ab623f8ef1452508b0fb4a4293692ed6a7;p=plomrogue diff --git a/src/misc.h b/src/misc.h index 5c9d3c4..782a6fa 100644 --- a/src/misc.h +++ b/src/misc.h @@ -9,21 +9,31 @@ -#include /* for uint8_t, uint16_t */ -#include /* for FILE typedef */ +#include /* for size_t */ +#include /* for uint16_t */ #include "yx_uint16.h" /* for yx_uint16 coordinates */ struct World; struct Map; -/* Learn from "file" the largest line length (pointed to by "linemax_p") and - * (pointed to by "n_lines_p" if it is not set to NULL) the number of lines. - * - * Returns 0 on success, 1 on fseek() error. +/* Returns message: "Trouble in ".parent." with ".child."." (try_*() helper) */ +extern char * trouble_msg(struct World * w, char * parent, char * child); + +/* Wrappers to malloc(), calloc() from function called "f" calling exit_err() + * with trouble_msg() error message if necessary. */ -extern uint8_t textfile_sizes(FILE * file, uint16_t * linemax_p, - uint16_t * n_lines_p); +extern void * try_malloc(size_t size, struct World * w, char * f); +extern void * try_calloc(size_t nmemb, size_t size, + struct World * w, char * f); + + + +/* Check if tempfile "path" exists, and if so, exit with explanation that. */ +extern void check_tempfile(char * path, struct World * f); + +/* If one and only one of files at "p1", "p2" exists, fail with explanation. */ +extern void check_files_xor(char * p1, char * p2, struct World * w); @@ -34,11 +44,11 @@ extern void update_log(struct World * world, char * text); -/* Return the offset necessary to center "map" on position "pos" in a frame of - * "framesize. +/* Return the offset necessary to center a map of "mapsize" on position "pos" in + * a frame of "framesize. */ -extern uint16_t center_offset(uint16_t pos, uint16_t mapsize, - uint16_t framesize); +extern uint16_t center_offset(uint16_t pos, + uint16_t mapsize, uint16_t framesize);