-/* src/common/readwrite.c */
+/* src/common/readwrite.c
+ *
+ * This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3
+ * or any later version. For details on its copyright, license, and warranties,
+ * see the file NOTICE in the root directory of the PlomRogue source package.
+ */
#include "readwrite.h"
#include <stddef.h> /* size_t */
-/* Return "path" + suffix "_tmp". Value is malloc'd, must be free externally. */
-static char * build_temp_path(char * path);
-
-
-
-static char * build_temp_path(char * path)
-{
- char * suffix_tmp = "_tmp";
- uint16_t size = strlen(path) + strlen(suffix_tmp) + 1;
- char * path_tmp = try_malloc(size, __func__);
- int test = sprintf(path_tmp, "%s%s", path, suffix_tmp);
- exit_trouble(test < 0, __func__, "sprintf");
- return path_tmp;
-}
-
-
-
extern FILE * try_fopen(char * path, char * mode, const char * f)
{
char * msg1 = "Trouble in ";
int test = sprintf(msg, "%s%s%s%s%s%s%s", msg1,f,msg2,mode,msg3,path,msg4);
exit_trouble(test < 0, __func__, "sprintf");
FILE * file_p = fopen(path, mode);
- exit_err(NULL == file_p, msg);
+ exit_err(!file_p, msg);
free(msg);
return file_p;
}
extern char * try_fgets(char * line, int linemax, FILE * file, const char * f)
{
char * test = fgets(line, linemax, file);
- exit_trouble(NULL == test && ferror(file), f, "fgets");
+ exit_trouble(!test && ferror(file), f, "fgets");
return test;
}
+extern char * build_temp_path(char * path)
+{
+ char * suffix_tmp = "_tmp";
+ uint16_t size = strlen(path) + strlen(suffix_tmp) + 1;
+ char * path_tmp = try_malloc(size, __func__);
+ int test = sprintf(path_tmp, "%s%s", path, suffix_tmp);
+ exit_trouble(test < 0, __func__, "sprintf");
+ return path_tmp;
+}
+
+
+
extern FILE * atomic_write_start(char * path, char ** path_tmp)
{
*path_tmp = build_temp_path(path);