X-Git-Url: https://plomlompom.com/repos/berlin_corona.txt?a=blobdiff_plain;f=src%2Freadwrite.h;h=2810820d57765868a780686c0dc0ad403ca0ada9;hb=7290dec4219eaa2325aa00ef6139f715743dba3a;hp=bebcdc058c39ee6c1298f0b37acf8fec2858efbe;hpb=140cadf8f8dc73a1756169dbfa7cb5f05e3b8b8c;p=plomrogue diff --git a/src/readwrite.h b/src/readwrite.h index bebcdc0..2810820 100644 --- a/src/readwrite.h +++ b/src/readwrite.h @@ -6,23 +6,26 @@ #ifndef READWRITE_H #define READWRITE_H - - #include /* for FILE typedef */ #include /* for uint8_t, uint16_t, uint32_t */ -struct World; /* Wrappers to calling from function called "f" of fopen(), fclose(), fgets() * and fwrite() and calling exit_err() with appropriate error messages. */ -extern FILE * try_fopen(char * path, char * mode, struct World * w, char * f); -extern void try_fclose(FILE * file, struct World * w, char * f); -extern void try_fgets(char * line, int size, FILE * file, - struct World * w, char * f); +extern FILE * try_fopen(char * path, char * mode, char * f); +extern void try_fclose(FILE * file, char * f); extern void try_fwrite(void * ptr, size_t size, size_t nmemb, FILE * stream, - struct World * w, char * f); + char * f); + + + +/* Wrapper to calling fgets() from function called "f". The return code of + * fgets() is returned unless it is NULL *and* ferror() indicates that an error + * occured; otherwise end of file is assumed and NULL is returned properly. + */ +extern char * try_fgets(char * line, int size, FILE * file, char * f); @@ -31,7 +34,7 @@ extern void try_fwrite(void * ptr, size_t size, size_t nmemb, FILE * stream, * Used for handling atomic saving of files via temp files. */ extern void try_fclose_unlink_rename(FILE * file, char * p1, char * p2, - struct World * w, char * f); + char * f); @@ -39,7 +42,7 @@ extern void try_fclose_unlink_rename(FILE * file, char * p1, char * p2, * length of "file", exit via exit_err() with trouble_msg()-generated error * message on failure. */ -extern uint16_t get_linemax(FILE * file, struct World * w, char * f); +extern uint16_t get_linemax(FILE * file, char * f); @@ -66,4 +69,6 @@ extern uint8_t write_uint8(uint8_t x, FILE * file); extern uint8_t write_uint16_bigendian(uint16_t x, FILE * file); extern uint8_t write_uint32_bigendian(uint32_t x, FILE * file); + + #endif