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-rw-r--r--source4/lib/util/util_file.c404
1 files changed, 0 insertions, 404 deletions
diff --git a/source4/lib/util/util_file.c b/source4/lib/util/util_file.c
deleted file mode 100644
index c3e22196c0..0000000000
--- a/source4/lib/util/util_file.c
+++ /dev/null
@@ -1,404 +0,0 @@
-/*
- * Unix SMB/CIFS implementation.
- * SMB parameters and setup
- * Copyright (C) Andrew Tridgell 1992-1998 Modified by Jeremy Allison 1995.
- *
- * Added afdgets() Jelmer Vernooij 2005
- *
- * This program is free software; you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 3 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "includes.h"
-#include "system/shmem.h"
-#include "system/filesys.h"
-
-/**
- * @file
- * @brief File-related utility functions
- */
-
-/**
-read a line from a file with possible \ continuation chars.
-Blanks at the start or end of a line are stripped.
-The string will be allocated if s2 is NULL
-**/
-_PUBLIC_ char *fgets_slash(char *s2,int maxlen,XFILE *f)
-{
- char *s=s2;
- int len = 0;
- int c;
- bool start_of_line = true;
-
- if (x_feof(f))
- return(NULL);
-
- if (maxlen <2) return(NULL);
-
- if (!s2)
- {
- maxlen = MIN(maxlen,8);
- s = (char *)malloc(maxlen);
- }
-
- if (!s) return(NULL);
-
- *s = 0;
-
- while (len < maxlen-1)
- {
- c = x_getc(f);
- switch (c)
- {
- case '\r':
- break;
- case '\n':
- while (len > 0 && s[len-1] == ' ')
- {
- s[--len] = 0;
- }
- if (len > 0 && s[len-1] == '\\')
- {
- s[--len] = 0;
- start_of_line = true;
- break;
- }
- return(s);
- case EOF:
- if (len <= 0 && !s2)
- SAFE_FREE(s);
- return(len>0?s:NULL);
- case ' ':
- if (start_of_line)
- break;
- /* fall through */
- default:
- start_of_line = false;
- s[len++] = c;
- s[len] = 0;
- }
- if (!s2 && len > maxlen-3)
- {
- char *t;
-
- maxlen *= 2;
- t = realloc_p(s, char, maxlen);
- if (!t) {
- DEBUG(0,("fgets_slash: failed to expand buffer!\n"));
- SAFE_FREE(s);
- return(NULL);
- } else s = t;
- }
- }
- return(s);
-}
-
-/**
- * Read one line (data until next newline or eof) and allocate it
- */
-_PUBLIC_ char *afdgets(int fd, TALLOC_CTX *mem_ctx, size_t hint)
-{
- char *data = NULL;
- ssize_t alloc_size = 0, offset = 0, ret;
- int p;
-
- if (hint <= 0) hint = 0x100;
-
- do {
- alloc_size += hint;
-
- data = talloc_realloc(mem_ctx, data, char, alloc_size);
-
- if (!data)
- return NULL;
-
- ret = read(fd, data + offset, hint);
-
- if (ret == 0) {
- return NULL;
- }
-
- if (ret == -1) {
- talloc_free(data);
- return NULL;
- }
-
- /* Find newline */
- for (p = 0; p < ret; p++) {
- if (data[offset + p] == '\n')
- break;
- }
-
- if (p < ret) {
- data[offset + p] = '\0';
-
- /* Go back to position of newline */
- lseek(fd, p - ret + 1, SEEK_CUR);
- return data;
- }
-
- offset += ret;
-
- } while (ret == hint);
-
- data[offset] = '\0';
-
- return data;
-}
-
-
-/**
-load a file into memory from a fd.
-**/
-_PUBLIC_ char *fd_load(int fd, size_t *size, TALLOC_CTX *mem_ctx)
-{
- struct stat sbuf;
- char *p;
-
- if (fstat(fd, &sbuf) != 0) return NULL;
-
- p = (char *)talloc_size(mem_ctx, sbuf.st_size+1);
- if (!p) return NULL;
-
- if (read(fd, p, sbuf.st_size) != sbuf.st_size) {
- talloc_free(p);
- return NULL;
- }
- p[sbuf.st_size] = 0;
-
- if (size) *size = sbuf.st_size;
-
- return p;
-}
-
-/**
-load a file into memory
-**/
-_PUBLIC_ char *file_load(const char *fname, size_t *size, TALLOC_CTX *mem_ctx)
-{
- int fd;
- char *p;
-
- if (!fname || !*fname) return NULL;
-
- fd = open(fname,O_RDONLY);
- if (fd == -1) return NULL;
-
- p = fd_load(fd, size, mem_ctx);
-
- close(fd);
-
- return p;
-}
-
-
-/**
-mmap (if possible) or read a file
-**/
-_PUBLIC_ void *map_file(const char *fname, size_t size)
-{
- size_t s2 = 0;
- void *p = NULL;
-#ifdef HAVE_MMAP
- int fd;
- fd = open(fname, O_RDONLY, 0);
- if (fd == -1) {
- DEBUG(2,("Failed to load %s - %s\n", fname, strerror(errno)));
- return NULL;
- }
- p = mmap(NULL, size, PROT_READ, MAP_SHARED|MAP_FILE, fd, 0);
- close(fd);
- if (p == MAP_FAILED) {
- DEBUG(1,("Failed to mmap %s - %s\n", fname, strerror(errno)));
- return NULL;
- }
-#endif
- if (!p) {
- p = file_load(fname, &s2, talloc_autofree_context());
- if (!p) return NULL;
- if (s2 != size) {
- DEBUG(1,("incorrect size for %s - got %d expected %d\n",
- fname, (int)s2, (int)size));
- talloc_free(p);
- return NULL;
- }
- }
-
- return p;
-}
-
-
-/**
-parse a buffer into lines
-'p' will be freed on error, and otherwise will be made a child of the returned array
-**/
-static char **file_lines_parse(char *p, size_t size, int *numlines, TALLOC_CTX *mem_ctx)
-{
- int i;
- char *s, **ret;
-
- if (!p) return NULL;
-
- for (s = p, i=0; s < p+size; s++) {
- if (s[0] == '\n') i++;
- }
-
- ret = talloc_array(mem_ctx, char *, i+2);
- if (!ret) {
- talloc_free(p);
- return NULL;
- }
-
- talloc_steal(ret, p);
-
- memset(ret, 0, sizeof(ret[0])*(i+2));
-
- ret[0] = p;
- for (s = p, i=0; s < p+size; s++) {
- if (s[0] == '\n') {
- s[0] = 0;
- i++;
- ret[i] = s+1;
- }
- if (s[0] == '\r') s[0] = 0;
- }
-
- /* remove any blank lines at the end */
- while (i > 0 && ret[i-1][0] == 0) {
- i--;
- }
-
- if (numlines) *numlines = i;
-
- return ret;
-}
-
-
-/**
-load a file into memory and return an array of pointers to lines in the file
-must be freed with talloc_free().
-**/
-_PUBLIC_ char **file_lines_load(const char *fname, int *numlines, TALLOC_CTX *mem_ctx)
-{
- char *p;
- size_t size;
-
- p = file_load(fname, &size, mem_ctx);
- if (!p) return NULL;
-
- return file_lines_parse(p, size, numlines, mem_ctx);
-}
-
-/**
-load a fd into memory and return an array of pointers to lines in the file
-must be freed with talloc_free(). If convert is true calls unix_to_dos on
-the list.
-**/
-_PUBLIC_ char **fd_lines_load(int fd, int *numlines, TALLOC_CTX *mem_ctx)
-{
- char *p;
- size_t size;
-
- p = fd_load(fd, &size, mem_ctx);
- if (!p) return NULL;
-
- return file_lines_parse(p, size, numlines, mem_ctx);
-}
-
-
-/**
-take a list of lines and modify them to produce a list where \ continues
-a line
-**/
-_PUBLIC_ void file_lines_slashcont(char **lines)
-{
- int i, j;
-
- for (i=0; lines[i];) {
- int len = strlen(lines[i]);
- if (lines[i][len-1] == '\\') {
- lines[i][len-1] = ' ';
- if (lines[i+1]) {
- char *p = &lines[i][len];
- while (p < lines[i+1]) *p++ = ' ';
- for (j = i+1; lines[j]; j++) lines[j] = lines[j+1];
- }
- } else {
- i++;
- }
- }
-}
-
-/**
- save a lump of data into a file. Mostly used for debugging
-*/
-_PUBLIC_ bool file_save(const char *fname, const void *packet, size_t length)
-{
- int fd;
- fd = open(fname, O_WRONLY|O_CREAT|O_TRUNC, 0644);
- if (fd == -1) {
- return false;
- }
- if (write(fd, packet, length) != (size_t)length) {
- return false;
- }
- close(fd);
- return true;
-}
-
-_PUBLIC_ int vfdprintf(int fd, const char *format, va_list ap)
-{
- char *p;
- int len, ret;
- va_list ap2;
-
- va_copy(ap2, ap);
- len = vasprintf(&p, format, ap2);
- va_end(ap2);
- if (len <= 0) return len;
- ret = write(fd, p, len);
- SAFE_FREE(p);
- return ret;
-}
-
-_PUBLIC_ int fdprintf(int fd, const char *format, ...)
-{
- va_list ap;
- int ret;
-
- va_start(ap, format);
- ret = vfdprintf(fd, format, ap);
- va_end(ap);
- return ret;
-}
-
-
-/*
- try to determine if the filesystem supports large files
-*/
-_PUBLIC_ bool large_file_support(const char *path)
-{
- int fd;
- ssize_t ret;
- char c;
-
- fd = open(path, O_RDWR|O_CREAT, 0600);
- unlink(path);
- if (fd == -1) {
- /* have to assume large files are OK */
- return true;
- }
- ret = pread(fd, &c, 1, ((uint64_t)1)<<32);
- close(fd);
- return ret == 0;
-}