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tweaks: move some definitions closer to where they are used 

Also slightly improve a few comments.
master
Benno Schulenberg 2020-02-10 09:52:41 +01:00
parent 5b4d2350e6
commit 410dcee0a1
1 changed files with 9 additions and 12 deletions
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21
src/files.c
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@ -30,14 +30,6 @@
#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>
#ifndef NANO_TINY
#define LOCKSIZE 1024
#define SKIPTHISFILE (char *)-1
const char *locking_prefix = ".";
const char *locking_suffix = ".swp";
/* Prefix and suffix for the name of the vim-style lock file. */
#endif
/* Verify that the containing directory of the given filename exists. */ /* Verify that the containing directory of the given filename exists. */
bool has_valid_path(const char *filename) bool has_valid_path(const char *filename)
{ {
@ -144,6 +136,11 @@ bool delete_lockfile(const char *lockfilename)
return TRUE; return TRUE;
} }
#define LOCKSIZE 1024
#define SKIPTHISFILE (char *)-1
const char *locking_prefix = ".";
const char *locking_suffix = ".swp";
/* Write a lock file, under the given lockfilename. This always annihilates an /* Write a lock file, under the given lockfilename. This always annihilates an
* existing version of that file. Return TRUE on success; FALSE otherwise. */ * existing version of that file. Return TRUE on success; FALSE otherwise. */
bool write_lockfile(const char *lockfilename, const char *filename, bool modified) bool write_lockfile(const char *lockfilename, const char *filename, bool modified)
@ -204,14 +201,14 @@ bool write_lockfile(const char *lockfilename, const char *filename, bool modifie
lockdata = charalloc(LOCKSIZE); lockdata = charalloc(LOCKSIZE);
memset(lockdata, 0, LOCKSIZE); memset(lockdata, 0, LOCKSIZE);
/* This is the lock data we will store (other bytes are 0x00): /* This is the lock data we will store (other bytes remain 0x00):
* *
* bytes 0-1 - 0x62 0x30 * bytes 0-1 - 0x62 0x30
* bytes 2-11 - name of program that created the lock * bytes 2-11 - name of program that created the lock
* bytes 24-27 - PID (little endian) of creator process * bytes 24-27 - PID (little endian) of creator process
* bytes 28-43 - username of who created the lock * bytes 28-43 - username of the user who created the lock
* bytes 68-99 - hostname of where the lock was created * bytes 68-99 - hostname of machine from where the lock was created
* bytes 108-876 - filename the lock is for * bytes 108-876 - filename that the lock is for
* byte 1007 - 0x55 if file is modified * byte 1007 - 0x55 if file is modified
* *
* Nano does not write the page size (bytes 12-15), nor the modification * Nano does not write the page size (bytes 12-15), nor the modification