3c99391d93
In some cases the license-identification header was missing, so I added that as well. Replaced the remaining headers that specifically identified "Versions 3.13.7 and higher". Makefiles and the build system were deliberately excluded.
112 lines
2.8 KiB
C
112 lines
2.8 KiB
C
/*************************************************************************\
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* Copyright (c) 2014 Brookhaven National Laboratory.
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* SPDX-License-Identifier: EPICS
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* EPICS BASE is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include "epicsMemFs.h"
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#ifndef PATH_MAX
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# define PATH_MAX 100
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#endif
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int epicsMemFsLoad(const epicsMemFS *fs)
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{
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char initdir[PATH_MAX];
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const epicsMemFile * const *fileptr = fs->files;
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if(getcwd(initdir, sizeof(initdir)-1)==NULL) {
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perror("getcwd");
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return errno;
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}
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initdir[sizeof(initdir)-1] = '\0';
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for(;*fileptr; fileptr++) {
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const epicsMemFile *curfile = *fileptr;
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int fd;
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ssize_t ret;
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size_t sofar;
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const char * const *dir = curfile->directory;
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/* jump back to the root each time,
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* slow but simple.
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*/
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if(chdir(initdir)) {
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perror("chdir");
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return errno;
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}
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printf("-> /");
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/* traverse directory tree, creating as necessary */
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for(;*dir; dir++) {
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int ret;
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if(**dir=='.') continue; /* ignore '.' and '..' */
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printf("%s/", *dir);
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ret = chdir(*dir);
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if(ret==-1 && errno==ENOENT) {
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/* this directory doesn't exist */
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if(mkdir(*dir,0744)==-1) {
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printf("\n");
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perror("mkdir");
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return errno;
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}
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if(chdir(*dir)==-1) {
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printf("\n");
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perror("chdir2");
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return errno;
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}
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} else if(ret==-1) {
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printf("\n");
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perror("chdir1");
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return errno;
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}
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}
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/* no file name creates an empty directory */
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if(!curfile->name) {
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printf("\n");
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continue;
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}
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printf("%s", curfile->name);
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/* create or overwrite */
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fd = open(curfile->name, O_WRONLY|O_CREAT|O_TRUNC, 0644);
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if(fd==-1) {
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printf("\n");
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perror("open");
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return errno;
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}
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sofar = 0;
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while(sofar<curfile->size) {
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ret = write(fd, curfile->data+sofar, curfile->size-sofar);
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if(ret<=0) {
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printf("\n");
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perror("write");
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return errno;
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}
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sofar += ret;
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}
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close(fd);
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printf(" - ok\n");
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}
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if(chdir(initdir))
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perror("chdir");
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return 0;
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}
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