-/****************************************************************************
- Load a file into memory from a fd.
- Truncate at maxsize. If maxsize == 0 - no limit.
-****************************************************************************/
-
-char *fd_load(int fd, size_t *psize, size_t maxsize)
-{
- SMB_STRUCT_STAT sbuf;
- size_t size;
- char *p;
-
- if (sys_fstat(fd, &sbuf) != 0) {
- return NULL;
- }
-
- size = sbuf.st_size;
- if (maxsize) {
- size = MIN(size, maxsize);
- }
-
- p = (char *)SMB_MALLOC(size+1);
- if (!p) {
- return NULL;
- }
-
- if (read(fd, p, size) != size) {
- SAFE_FREE(p);
- return NULL;
- }
- p[size] = 0;
-
- if (psize) {
- *psize = size;
- }
-
- return p;
-}
-
-/****************************************************************************
- Load a file into memory.
-****************************************************************************/
-
-char *file_load(const char *fname, size_t *size, size_t maxsize)
-{
- int fd;
- char *p;
-
- if (!fname || !*fname) {
- return NULL;
- }
-
- fd = open(fname,O_RDONLY);
- if (fd == -1) {
- return NULL;
- }
-
- p = fd_load(fd, size, maxsize);
- close(fd);
- return p;
-}
-
-/*******************************************************************
- unmap or free memory
-*******************************************************************/
-
-bool unmap_file(void* start, size_t size)
-{
-#ifdef HAVE_MMAP
- if ( munmap( start, size ) != 0 ) {
- DEBUG( 1, ("map_file: Failed to unmap address %p "
- "of size %u - %s\n",
- start, (unsigned int)size, strerror(errno) ));
- return False;
- }
- return True;
-#else
- SAFE_FREE( start );
- return True;
-#endif
-}
-
-/*******************************************************************
- mmap (if possible) or read a file.
-********************************************************************/
-
-void *map_file(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,("map_file: 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,("map_file: Failed to mmap %s - %s\n", fname, strerror(errno)));
- return NULL;
- }
-#endif
- if (!p) {
- p = file_load(fname, &s2, 0);
- if (!p) {
- return NULL;
- }
- if (s2 != size) {
- DEBUG(1,("map_file: incorrect size for %s - got %lu expected %lu\n",
- fname, (unsigned long)s2, (unsigned long)size));
- SAFE_FREE(p);
- return NULL;
- }
- }
- return p;
-}
-
-/****************************************************************************
- Parse a buffer into lines.
-****************************************************************************/
-
-static char **file_lines_parse(char *p, size_t size, int *numlines)
-{
- int i;
- char *s, **ret;
-
- if (!p) {
- return NULL;
- }
-
- for (s = p, i=0; s < p+size; s++) {
- if (s[0] == '\n') i++;
- }
-
- ret = SMB_MALLOC_ARRAY(char *, i+2);
- if (!ret) {
- SAFE_FREE(p);
- return NULL;
- }
- 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 file_lines_free().
-****************************************************************************/
-
-char **file_lines_load(const char *fname, int *numlines, size_t maxsize)
-{
- char *p;
- size_t size = 0;
-
- p = file_load(fname, &size, maxsize);
- if (!p) {
- return NULL;
- }
-
- return file_lines_parse(p, size, numlines);
-}
-
-/****************************************************************************
- Load a fd into memory and return an array of pointers to lines in the file
- must be freed with file_lines_free(). If convert is true calls unix_to_dos on
- the list.
-****************************************************************************/