X-Git-Url: https://git.cameronkatri.com/pw-darwin.git/blobdiff_plain/e3d97c779d907e3556a40a69b84f001d95cf4d6a..6f9e060eaafec4d7157f90f32e8d2d580fd73a71:/pw/fileupd.c?ds=sidebyside

diff --git a/pw/fileupd.c b/pw/fileupd.c
index d76259b..7df4bb1 100644
--- a/pw/fileupd.c
+++ b/pw/fileupd.c
@@ -26,7 +26,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-	"$Id: fileupd.c,v 1.6 1998/07/16 17:18:24 nate Exp $";
+  "$FreeBSD$";
 #endif /* not lint */
 
 #include <stdio.h>
@@ -66,132 +66,3 @@ extendarray(char ***buf, int * buflen, int needed)
 	}
 	return *buflen;
 }
-
-
-int
-fileupdate(char const * filename, mode_t fmode, char const * newline, char const * prefix, int pfxlen, int updmode)
-{
-	int             rc = 0;
-
-	if (pfxlen <= 1)
-		errno = EINVAL;
-	else {
-		int             infd = open(filename, O_RDWR | O_CREAT, fmode);
-
-		if (infd != -1) {
-			FILE           *infp = fdopen(infd, "r+");
-
-			if (infp == NULL)
-				close(infd);
-			else {
-				int             outfd;
-				char            file[MAXPATHLEN];
-
-				strcpy(file, filename);
-				strcat(file, ".new");
-				outfd = open(file, O_RDWR | O_CREAT | O_TRUNC | O_EXLOCK, fmode);
-				if (outfd != -1) {
-					FILE           *outfp = fdopen(outfd, "w+");
-
-					if (outfp == NULL)
-						close(outfd);
-					else {
-						int             updated = UPD_CREATE;
-						int		linesize = PWBUFSZ;
-						char           *line = malloc(linesize);
-
-					nextline:
-						while (fgets(line, linesize, infp) != NULL) {
-							char           *p = strchr(line, '\n');
-
-							while ((p = strchr(line, '\n')) == NULL) {
-								int	l;
-								if (extendline(&line, &linesize, linesize + PWBUFSZ) == -1) {
-									int	ch;
-									fputs(line, outfp);
-									while ((ch = fgetc(infp)) != EOF) {
-										fputc(ch, outfp);
-										if (ch == '\n')
-											break;
-									}
-									goto nextline;
-								}
-								l = strlen(line);
-								if (fgets(line + l, linesize - l, infp) == NULL)
-									break;
-							}
-							if (*line != '#' && *line != '\n') {
-								if (!updated && strncmp(line, prefix, pfxlen) == 0) {
-									updated = updmode == UPD_REPLACE ? UPD_REPLACE : UPD_DELETE;
-
-									/*
-									 * Only actually write changes if updating
-									 */
-									if (updmode == UPD_REPLACE)
-										strcpy(line, newline);
-									else if (updmode == UPD_DELETE)
-										continue;
-								}
-							}
-							fputs(line, outfp);
-						}
-
-						/*
-						 * Now, we need to decide what to do: If we are in
-						 * update mode, and no record was updated, then error If
-						 * we are in insert mode, and record already exists,
-						 * then error
-						 */
-						if (updmode != updated)
-							errno = (updmode == UPD_CREATE) ? EEXIST : ENOENT;
-						else {
-
-							/*
-							 * If adding a new record, append it to the end
-							 */
-							if (updmode == UPD_CREATE)
-								fputs(newline, outfp);
-
-							/*
-							 * Flush the file and check for the result
-							 */
-							rc = fflush(outfp) != EOF;
-							if (rc) {
-
-								/*
-								 * Copy data back into the
-								 * original file and truncate
-								 */
-								rewind(infp);
-								rewind(outfp);
-								while (fgets(line, linesize, outfp) != NULL)
-									fputs(line, infp);
-
-								/*
-                                                                 * If there was a problem with copying
-                                                                 * we will just rename 'file.new' 
-                                                                 * to 'file'.
-								 * This is a gross hack, but we may have
-								 * corrupted the original file
-								 * Unfortunately, it will lose the inode
-                                                                 * and hence the lock.
-								 */
-								if (fflush(infp) == EOF || ferror(infp)) {
-									rc = errno;	/* Preserve errno for return */
-									rename(file, filename);
-								}
-								else
-									ftruncate(infd, ftell(infp));
-							}
-						}
-						free(line);
-						fclose(outfp);
-					}
-					remove(file);
-				}
-				fclose(infp);
-			}
-		}
-	}
-	return rc;
-}