X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fcommon%2Freadwrite.h;h=b5b2f1c2d68643226f8589764662c63fed069bee;hb=491e8bc8e7a9b1d312256817c0b8be7e05b127be;hp=d03aeacb5fb5924d71a8b542afc7a26a3b3c6bb0;hpb=27f8cdc988b4bbd92d9d0daee7019461c690008e;p=plomrogue diff --git a/src/common/readwrite.h b/src/common/readwrite.h index d03aeac..b5b2f1c 100644 --- a/src/common/readwrite.h +++ b/src/common/readwrite.h @@ -14,11 +14,11 @@ /* Wrappers to fopen(), fclose(), fgets() and fwrite() from function called "f", * calling exit_err() upon error with appropriate error messages. */ -extern FILE * try_fopen(char * path, char * mode, char * f); -extern void try_fclose(FILE * file, char * f); +extern FILE * try_fopen(char * path, char * mode, const char * f); +extern void try_fclose(FILE * file, const char * f); extern void try_fwrite(void * ptr, size_t size, size_t nmemb, FILE * stream, - char * f); -extern void try_fputc(uint8_t c, FILE * file, char * f); + const char * f); +extern void try_fputc(uint8_t c, FILE * file, const char * f); /* Wrapper to calling fgetc() and fgets() from function "f". The return code is * returned unless ferror() indicates an error (i.e. to signify an end of file, @@ -26,8 +26,11 @@ extern void try_fputc(uint8_t c, FILE * file, char * f); * on "file" before fgetc(), because some Unixes fgetc() remember old EOFs and * only return those until explicitely cleared. */ -extern int try_fgetc(FILE * file, char * f); -extern char * try_fgets(char * line, int size, FILE * file, char * f); +extern int try_fgetc(FILE * file, const char * f); +extern char * try_fgets(char * line, int size, FILE * file, const char * f); + +/* Return "path" + suffix "_tmp". Value is malloc'd, must be freed externally.*/ +extern char * build_temp_path(char * path); /* Write to "path_tmp" "path" + "_tmp" and return a new file at that "path_tmp" * open for writing. "path_tmp" is malloc()'d, must be freed externally. @@ -40,6 +43,9 @@ extern FILE * atomic_write_start(char * path, char ** path_tmp); */ extern void atomic_write_finish(FILE * file, char * path, char * path_tmp); +/* Check for temp file leftover of atomic writing of "path", abort if found. */ +extern void detect_atomic_leftover(char * path); + /* Return largest line length from "file" (including newline chars). */ extern uint32_t textfile_width(FILE * file);