984 lines
23 KiB
C
984 lines
23 KiB
C
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/* xorriso - creates, loads, manipulates and burns ISO 9660 filesystem images.
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Copyright 2007-2020 Thomas Schmitt, <scdbackup@gmx.net>
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Provided under GPL version 2 or later.
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This file contains the implementation of functions around files and strings.
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*/
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#ifdef HAVE_CONFIG_H
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#include "../config.h"
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#endif
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#include <ctype.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <time.h>
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#include <pwd.h>
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#include <grp.h>
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#include "sfile.h"
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/* @param flag bit0= do not clip off carriage return at line end
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*/
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char *Sfile_fgets_n(char *line, int maxl, FILE *fp, int flag)
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{
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int l;
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char *ret;
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ret= fgets(line,maxl,fp);
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if(ret==NULL)
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return(NULL);
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l= strlen(line);
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if(l > 0 && !(flag & 1)) if(line[l-1] == '\r') line[--l]= 0;
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if(l > 0) if(line[l-1] == '\n') line[--l]= 0;
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if(l > 0 && !(flag & 1)) if(line[l-1] == '\r') line[--l]= 0;
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return(ret);
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}
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int Sfile_count_char(char *text, char to_count)
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{
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int count= 0;
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char *cpt;
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for(cpt= text; *cpt != 0; cpt++)
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if(*cpt == to_count)
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count++;
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return count;
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}
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int Sfile_count_components(char *path, int flag)
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/*
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bit0= do not ignore trailing slash
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bit1= do not ignore empty components (other than the empty root name)
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*/
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{
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int l,count= 0;
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char *cpt;
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l= strlen(path);
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if(l==0)
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return(0);
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count= 1;
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for(cpt= path+l-1;cpt>=path;cpt--) {
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if(*cpt=='/') {
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if(*(cpt+1)==0 && !(flag&1))
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continue;
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if(*(cpt+1)=='/' && !(flag&2))
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continue;
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count++;
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}
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}
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return(count);
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}
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int Sfile_component_pointer(char *path, char **sourcept, int idx, int flag)
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/*
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bit0= do not ignore trailing slash
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bit1= do not ignore empty components (other than the empty root name)
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bit2= accept 0 as '/'
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*/
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{
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int count= 0;
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char *spt;
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for(spt= path;*spt!=0 || (flag&4);spt++) {
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if(count>=idx) {
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*sourcept= spt;
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return(1);
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}
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if(*spt=='/' || *spt==0) {
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if(*(spt+1)=='/' && !(flag&2))
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continue;
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if(*(spt+1)==0 && !(flag&1))
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continue;
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count++;
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}
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}
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if((flag&1) && count>=idx)
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return(1);
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return(0);
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}
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int Sfile_leafname(char *path, char leafname[SfileadrL], int flag)
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{
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int count, ret;
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char *lpt;
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leafname[0]= 0;
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count= Sfile_count_components(path, 0);
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if(count==0)
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return(0);
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ret= Sfile_component_pointer(path, &lpt, count-1, 0);
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if(ret<=0)
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return(ret);
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if(Sfile_str(leafname, lpt, 0)<=0)
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return(0);
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lpt= strchr(leafname, '/');
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if(lpt!=NULL)
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*lpt= 0;
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return(1);
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}
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int Sfile_add_to_path(char path[SfileadrL], char *addon, int flag)
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{
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int l;
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l= strlen(path);
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if(l+1>=SfileadrL)
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return(0);
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if(l==0) {
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strcpy(path,"/");
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l= 1;
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} else if(path[l-1]!='/') {
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path[l++]= '/';
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path[l]= 0;
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}
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if(l+strlen(addon)>=SfileadrL)
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return(0);
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if(addon[0]=='/')
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strcpy(path+l,addon+1);
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else
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strcpy(path+l,addon);
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return(1);
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}
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int Sfile_prepend_path(char *prefix, char path[SfileadrL], int flag)
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{
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int l, i, slashes, prefix_len, path_len;
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l= strlen(prefix);
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if(l == 0)
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return(1);
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/* Do not copy slashes between both parts */
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for(prefix_len= l; prefix_len > 0; prefix_len--)
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if(prefix[prefix_len - 1] != '/')
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break;
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if(prefix_len == 0)
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prefix_len= strlen(prefix) - 1;
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path_len= strlen(path);
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for(slashes= 0; slashes < path_len; slashes++)
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if(path[slashes] != '/')
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break;
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l= (strlen(path) - slashes) + prefix_len + 1;
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if(l>=SfileadrL) {
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#ifdef Not_yeT
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/* >>> ??? how to transport messages to xorriso ? */
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sprintf(xorriso->info_text,
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"Combination of wd and relative address too long (%d > %d)",
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l,SfileadrL-1);
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Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FAILURE", 0);
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#endif
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return(-1);
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}
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l-= strlen(path);
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if(l < 0) {
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for(i= slashes; i <= path_len + 1; i++)
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path[i+l]= path[i];
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} else if(l > 0) {
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for(i= path_len + 1; i >= slashes; i--)
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path[i+l]= path[i];
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}
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if(prefix_len > 0)
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memcpy(path, prefix, prefix_len);
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path[l - 1 + slashes]= '/';
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return(1);
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}
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int Sfile_get_dev_fd_no(char *filename, int flag)
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{
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int i, fd= -1;
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if(strncmp(filename, "/dev/fd/", 8) != 0)
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return(-1);
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for(i = 8; filename[i]; i++)
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if(filename[i] < '0' || filename[i] > '9')
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break;
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if(i > 8 && filename[i] == 0)
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sscanf(filename + 8, "%d", &fd);
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if(fd < 0)
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fd = -1;
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return(fd);
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}
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int Sfile_type(char *filename, int flag)
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/*
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bit0= return -1 if file is missing
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bit1= return a hardlink with siblings as type 5
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bit2= evaluate eventual link target rather than the link object itself
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bit3= return a socket or a char device as types 7 or 8 rather than 0
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bit4= interpret /dev/fd/#fd# as open file descriptor fd
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*/
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/*
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return:
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0=unknown
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1=regular
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2=directory
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3=symbolic link
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4=named pipe
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5=multiple hardlink (with bit1)
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6=block device
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7=socket (with bit3)
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8=character device (with bit3)
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| 1024 if interpreted as /dev/fd/#fd#
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| 2048 if interpreted as /dev/fd/#fd# and not fstatable
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*/
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{
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struct stat stbuf;
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int fd= -1, was_dev_fd= 0, ret;
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if(flag & 16)
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fd= Sfile_get_dev_fd_no(filename, 0);
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if(fd != -1) {
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was_dev_fd= 1;
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if(fstat(fd, &stbuf) == -1)
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return(1024 | 2048);
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} else if(flag&4) {
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if(stat(filename,&stbuf)==-1) {
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if(flag&1) return(-1);
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else return(0);
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}
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} else {
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if(lstat(filename,&stbuf)==-1) {
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if(flag&1) return(-1);
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else return(0);
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}
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}
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if(S_ISREG(stbuf.st_mode)) {
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if(flag&2)
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if(stbuf.st_nlink>1)
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{ret= 5; goto ex;}
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{ret= 1; goto ex;}
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}
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if(S_ISDIR(stbuf.st_mode))
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{ret= 2; goto ex;}
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if((stbuf.st_mode&S_IFMT)==S_IFLNK)
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{ret= 3; goto ex;}
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if(S_ISFIFO(stbuf.st_mode))
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{ret= 4; goto ex;}
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if(S_ISBLK(stbuf.st_mode))
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{ret= 6; goto ex;}
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if(flag&8)
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if((stbuf.st_mode&S_IFMT)==S_IFSOCK)
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{ret= 7; goto ex;}
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if(flag&8)
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if(S_ISCHR(stbuf.st_mode))
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{ret= 8; goto ex;}
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ret = 0;
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ex:;
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return(ret | (was_dev_fd << 10));
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}
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char *Sfile_datestr(time_t tim, short int flag)
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/*
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bit0=with hours+minutes
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bit1=with seconds
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bit8= local time rather than UTC
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*/
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{
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static char zeitcode[80]={"000000"};
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char puff[80];
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struct tm *azt;
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if(flag&256)
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azt = localtime(&tim);
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else
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azt = gmtime(&tim);
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if(azt->tm_year>99)
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sprintf(zeitcode,"%c%1.1d%2.2d%2.2d",
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'A'+(azt->tm_year-100)/10,azt->tm_year%10,
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azt->tm_mon+1,azt->tm_mday);
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else
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sprintf(zeitcode,"%2.2d%2.2d%2.2d",
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azt->tm_year,azt->tm_mon+1,azt->tm_mday);
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if(flag&1){
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sprintf(puff,".%2.2d%2.2d",azt->tm_hour,azt->tm_min);
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strcat(zeitcode,puff);
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}
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if(flag&2){
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sprintf(puff,"%2.2d",azt->tm_sec);
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strcat(zeitcode,puff);
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}
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return(zeitcode);
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}
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int Sfile_scale(double value, char *result, int siz, double thresh, int flag)
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/*
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bit0= omit 'b' if it would elsewise be appended
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bit1= make text as short as possible
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bit2= no fraction (if it would fit at all)
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*/
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{
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char scale_c,scales[7],form[80], *negpt= NULL, *cpt;
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int i,dec_siz= 0,avail_siz= 1;
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if(value<0) {
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value= -value;
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siz--;
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result[0]= '-';
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negpt= result;
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result++;
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}
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strcpy(scales,"bkmgtp");
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scale_c= scales[0];
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for(i=1;scales[i]!=0;i++) {
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if(value<thresh-0.5)
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break;
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value/= 1024.0;
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scale_c= scales[i];
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}
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if(scale_c!='b' && !(flag&4)) { /* is there room for fractional part ? */
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avail_siz= siz-1;
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sprintf(form,"%%.f");
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sprintf(result,"%.f",value);
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if(((int) strlen(result)) <= avail_siz - 2)
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dec_siz= 1; /* we are very modest */
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}
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if(scale_c=='b' && (flag&1)) {
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if(flag&2)
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sprintf(form,"%%.f");
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else
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sprintf(form,"%%%d.f",siz);
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sprintf(result,form,value);
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} else {
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if(flag&2)
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sprintf(form,"%%.f%%c");
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else if(dec_siz>0)
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sprintf(form,"%%%d.%df%%c",avail_siz,dec_siz);
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else
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sprintf(form,"%%%d.f%%c",siz-1);
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sprintf(result,form,value,scale_c);
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}
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if(negpt != NULL) {
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for(cpt= result; *cpt==' '; cpt++);
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if(cpt > result) {
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*negpt= ' ';
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*(cpt - 1)= '-';
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}
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}
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return(1);
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}
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int Sfile_off_t_text(char text[80], off_t num, int flag)
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{
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char *tpt;
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off_t hnum, scale= 1;
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int digits= 0, d, i;
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tpt= text;
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hnum= num;
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if(hnum<0) {
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*(tpt++)= '-';
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hnum= -num;
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}
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if(hnum<0) { /* it can stay nastily persistent */
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strcpy(text, "_overflow_");
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return(0);
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}
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for(i= 0; i<23; i++) { /* good for up to 70 bit = 10 exp 21.07... */
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if(hnum==0)
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break;
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hnum/= 10;
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if(hnum)
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scale*= 10;
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}
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if(i==0) {
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strcpy(text, "0");
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return(1);
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}
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if(i==23) {
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strcpy(text, "_overflow_");
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return(0);
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}
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digits= i;
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hnum= num;
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for(; i>0; i--) {
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d= hnum/scale;
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tpt[digits-i]= '0'+d;
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hnum= hnum%scale;
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scale/= 10;
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}
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tpt[digits]= 0;
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return(1);
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}
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/* @return index number of first not interpreted text byte
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*/
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int Sfile_text_to_off_t(char *text, off_t *num, int flag)
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{
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int sig= 1, ridx;
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*num= 0;
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ridx= 0;
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if(text[ridx] == '-') {
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sig= -1;
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ridx++;
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} else if(text[ridx] == '+') {
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ridx++;
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}
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for(; text[ridx] != 0; ridx++) {
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if(text[ridx] < '0' || text[ridx] > '9')
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break;
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if(*num > (((off_t) 1) << 59))
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return(-1);
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*num= *num * 10 + text[ridx] - '0';
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}
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*num= *num * sig;
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return(ridx);
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}
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|
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/* Converts backslash codes into single characters:
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\a BEL 7 , \b BS 8 , \e ESC 27 , \f FF 12 , \n LF 10 , \r CR 13 ,
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\t HT 9 , \v VT 11 , \\ \ 92
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\[0-9][0-9][0-9] octal code , \x[0-9a-f][0-9a-f] hex code ,
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\cX control-x (ascii(X)-64)
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@param upto maximum number of characters to examine for backslash.
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The scope of a backslash (0 to 3 characters) is not affected.
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@param eaten returns the difference in length between input and output
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@param flag bit0= only determine *eaten, do not convert
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bit1= convert \000 to binary 0
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*/
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int Sfile_bsl_interpreter(char *text, int upto, int *eaten, int flag)
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{
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char *rpt, *wpt, num_text[8], wdummy[8];
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unsigned int num= 0;
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*eaten= 0;
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wpt= text;
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for(rpt= text; *rpt != 0 && rpt - text < upto; rpt++) {
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if(flag & 1)
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wpt= wdummy;
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if(*rpt == '\\') {
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rpt++;
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(*eaten)++;
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if(*rpt == 'a') {
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*(wpt++)= 7;
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} else if(*rpt == 'b') {
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*(wpt++)= 8;
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} else if(*rpt == 'e') {
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*(wpt++)= 27;
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} else if(*rpt == 'f') {
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*(wpt++)= 12;
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} else if(*rpt == 'n') {
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*(wpt++)= 10;
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} else if(*rpt == 'r') {
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*(wpt++)= 13;
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} else if(*rpt == 't') {
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*(wpt++)= 9;
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} else if(*rpt == 'v') {
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*(wpt++)= 11;
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} else if(*rpt == '\\') {
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*(wpt++)= '\\';
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} else if(rpt[0] >= '0' && rpt[0] <= '7' &&
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rpt[1] >= '0' && rpt[1] <= '7' &&
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rpt[2] >= '0' && rpt[2] <= '7') {
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num_text[0]= '0';
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num_text[1]= *(rpt + 0);
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num_text[2]= *(rpt + 1);
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num_text[3]= *(rpt + 2);
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num_text[4]= 0;
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sscanf(num_text, "%o", &num);
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if((num > 0 || (flag & 2)) && num <= 255) {
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rpt+= 2;
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(*eaten)+= 2;
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*(wpt++)= num;
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} else
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goto not_a_code;
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} else if(rpt[0] == 'x' &&
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((rpt[1] >= '0' && rpt[1] <= '9') ||
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(rpt[1] >= 'A' && rpt[1] <= 'F') ||
|
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(rpt[1] >= 'a' && rpt[1] <= 'f'))
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&&
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((rpt[2] >= '0' && rpt[2] <= '9') ||
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(rpt[2] >= 'A' && rpt[2] <= 'F') ||
|
|
(rpt[2] >= 'a' && rpt[2] <= 'f'))
|
|
) {
|
|
num_text[0]= *(rpt + 1);
|
|
num_text[1]= *(rpt + 2);
|
|
num_text[2]= 0;
|
|
sscanf(num_text, "%x", &num);
|
|
if(num > 0 && num <= 255) {
|
|
rpt+= 2;
|
|
(*eaten)+= 2;
|
|
*(wpt++)= num;
|
|
} else
|
|
goto not_a_code;
|
|
} else if(*rpt == 'c') {
|
|
if(rpt[1] > 64 && rpt[1] < 96) {
|
|
*(wpt++)= rpt[1] - 64;
|
|
rpt++;
|
|
(*eaten)++;
|
|
} else
|
|
goto not_a_code;
|
|
} else {
|
|
not_a_code:;
|
|
*(wpt++)= '\\';
|
|
rpt--;
|
|
(*eaten)--;
|
|
}
|
|
} else
|
|
*(wpt++)= *rpt;
|
|
}
|
|
*wpt= *rpt;
|
|
return(1);
|
|
}
|
|
|
|
|
|
/* @param flag bit0= only encode inside quotes
|
|
bit1= encode < 32 outside quotes except 7, 8, 9, 10, 12, 13
|
|
bit2= encode in any case above 126
|
|
bit3= encode in any case shellsafe and name-value-safe:
|
|
<=42 , 59, 60, 61, 62, 63, 92, 94, 96, >=123
|
|
*/
|
|
int Sfile_bsl_encoder(char **result, char *text, size_t text_len, int flag)
|
|
{
|
|
signed char *rpt;
|
|
char *wpt;
|
|
int count, sq_open= 0, dq_open= 0;
|
|
|
|
count= 0;
|
|
for(rpt= (signed char *) text; (size_t) (((char *) rpt) - text) < text_len;
|
|
rpt++) {
|
|
count++;
|
|
if(flag & 8) {
|
|
if(!(*rpt <= 42 || (*rpt >= 59 && *rpt <= 63) ||
|
|
*rpt == 92 || *rpt == 94 || *rpt == 96 || *rpt >= 123))
|
|
continue;
|
|
} else if(*rpt >= 32 && *rpt <= 126 && *rpt != '\\')
|
|
continue;
|
|
if(((*rpt >= 7 && *rpt <= 13) || *rpt == 27 || *rpt == '\\') && !(flag & 8))
|
|
count++;
|
|
else
|
|
count+= 3;
|
|
}
|
|
(*result)= wpt= calloc(count + 1, 1);
|
|
if(wpt == NULL)
|
|
return(-1);
|
|
for(rpt= (signed char *) text; (size_t) (((char *) rpt) - text) < text_len;
|
|
rpt++) {
|
|
if(*rpt == '\'')
|
|
sq_open= !(sq_open || dq_open);
|
|
if(*rpt == '"')
|
|
dq_open= !(sq_open || dq_open);
|
|
|
|
if(flag & 8) {
|
|
if(!(*rpt <= 42 || (*rpt >= 59 && *rpt <= 63) ||
|
|
*rpt == 92 || *rpt == 94 || *rpt == 96 || *rpt >= 123)) {
|
|
*(wpt++)= *rpt;
|
|
continue;
|
|
}
|
|
} else if(*rpt >= 32 && *rpt <= 126 && *rpt != '\\') {
|
|
*(wpt++)= *rpt;
|
|
continue;
|
|
} else if( ((flag & 1) && !(sq_open || dq_open)) &&
|
|
!((flag & 2) && (*rpt >= 1 && * rpt <= 31 &&
|
|
!(*rpt == 7 || *rpt == 8 || *rpt == 9 || *rpt == 10 ||
|
|
*rpt == 12 || *rpt == 13))) &&
|
|
!((flag & 4) && (*rpt > 126 || *rpt < 0)) &&
|
|
!((flag & 6) && *rpt == '\\')) {
|
|
*(wpt++)= *rpt;
|
|
continue;
|
|
}
|
|
*(wpt++)= '\\';
|
|
if(((*rpt >= 7 && *rpt <= 13) || *rpt == 27 || *rpt == '\\') && !(flag&8)) {
|
|
if(*rpt == 7)
|
|
*(wpt++)= 'a';
|
|
else if(*rpt == 8)
|
|
*(wpt++)= 'b';
|
|
else if(*rpt == 9)
|
|
*(wpt++)= 't';
|
|
else if(*rpt == 10) {
|
|
*(wpt++)= 'n';
|
|
} else if(*rpt == 11)
|
|
*(wpt++)= 'v';
|
|
else if(*rpt == 12)
|
|
*(wpt++)= 'f';
|
|
else if(*rpt == 13)
|
|
*(wpt++)= 'r';
|
|
else if(*rpt == 27)
|
|
*(wpt++)= 'e';
|
|
else if(*rpt == '\\')
|
|
*(wpt++)= '\\';
|
|
} else {
|
|
sprintf(wpt, "%-3.3o", (unsigned int) *((unsigned char *) rpt));
|
|
wpt+= 3;
|
|
}
|
|
}
|
|
*wpt= 0;
|
|
return(1);
|
|
}
|
|
|
|
|
|
int Sfile_destroy_argv(int *argc, char ***argv, int flag)
|
|
{
|
|
int i;
|
|
|
|
if(*argc>0 && *argv!=NULL){
|
|
for(i=0;i<*argc;i++){
|
|
if((*argv)[i]!=NULL)
|
|
Smem_freE((*argv)[i]);
|
|
}
|
|
Smem_freE((char *) *argv);
|
|
}
|
|
*argc= 0;
|
|
*argv= NULL;
|
|
return(1);
|
|
}
|
|
|
|
|
|
int Sfile_sep_make_argv(char *progname, char *line, char *separators,
|
|
int max_words, int *argc, char ***argv, int flag)
|
|
/*
|
|
bit0= read progname as first argument from line
|
|
bit1= just release argument list argv and return
|
|
bit2= abort with return(0) if incomplete quotes are found
|
|
bit3= eventually prepend missing '-' to first argument read from line
|
|
bit4= like bit2 but only check quote completeness, do not allocate memory
|
|
bit5+6= interpretation of backslashes:
|
|
0= no interpretation, leave unchanged
|
|
1= only inside double quotes
|
|
2= outside single quotes
|
|
3= everywhere
|
|
bit7= append a NULL element to argv
|
|
*/
|
|
{
|
|
int i,pass,maxl=0,l,argzaehl=0,bufl,line_start_argc, bsl_mode, ret= 0, eaten;
|
|
char *cpt,*start;
|
|
char *buf= NULL;
|
|
|
|
Sfile_destroy_argv(argc,argv,0);
|
|
if(flag&2)
|
|
{ret= 1; goto ex;}
|
|
|
|
if(flag & 16)
|
|
flag|= 4;
|
|
bsl_mode= (flag >> 5) & 3;
|
|
|
|
buf= calloc(strlen(line) + SfileadrL, 1);
|
|
if(buf == NULL)
|
|
{ret= -1; goto ex;}
|
|
for(pass=0;pass<2;pass++) {
|
|
cpt= line-1;
|
|
if(!(flag&1)){
|
|
argzaehl= line_start_argc= 1;
|
|
if(pass==0)
|
|
maxl= strlen(progname);
|
|
else
|
|
strcpy((*argv)[0],progname);
|
|
} else {
|
|
argzaehl= line_start_argc= 0;
|
|
if(pass==0) maxl= 0;
|
|
}
|
|
while(*(++cpt)!=0){
|
|
if(*separators) {
|
|
if(strchr(separators, *cpt) != NULL)
|
|
continue;
|
|
} else if(isspace(*cpt))
|
|
continue;
|
|
start= cpt;
|
|
buf[0]= 0;
|
|
cpt--;
|
|
|
|
if(max_words > 0 && argzaehl >= max_words && *cpt != 0) {
|
|
/* take uninterpreted up to the end */
|
|
cpt+= strlen(cpt) - 1;
|
|
}
|
|
|
|
while(*(++cpt)!=0) {
|
|
if(*separators) {
|
|
if(strchr(separators, *cpt) != NULL)
|
|
break;
|
|
} else if(isspace(*cpt))
|
|
break;
|
|
if(*cpt=='"'){
|
|
l= cpt-start; bufl= strlen(buf);
|
|
if(l>0) {
|
|
strncpy(buf + bufl, start, l); buf[bufl + l]= 0;
|
|
if(bsl_mode >= 3) {
|
|
ret= Sfile_bsl_interpreter(buf + bufl, l, &eaten, 0);
|
|
if(ret <= 0)
|
|
goto ex;
|
|
}
|
|
}
|
|
l= strlen(buf);
|
|
start= cpt+1;
|
|
while(*(++cpt)!=0) if(*cpt=='"') break;
|
|
if((flag&4) && *cpt==0)
|
|
{ret= 0; goto ex;}
|
|
l= cpt-start; bufl= strlen(buf);
|
|
if(l>0) {
|
|
strncpy(buf + bufl, start, l);
|
|
buf[bufl + l]= 0;
|
|
if(bsl_mode >= 1) {
|
|
ret= Sfile_bsl_interpreter(buf + bufl, l, &eaten, 0);
|
|
if(ret <= 0)
|
|
goto ex;
|
|
}
|
|
}
|
|
start= cpt+1;
|
|
}else if(*cpt=='\''){
|
|
l= cpt-start; bufl= strlen(buf);
|
|
if(l>0) {
|
|
strncpy(buf + bufl, start, l); buf[bufl + l]= 0;
|
|
if(bsl_mode >= 3) {
|
|
ret= Sfile_bsl_interpreter(buf + bufl, l, &eaten, 0);
|
|
if(ret <= 0)
|
|
goto ex;
|
|
}
|
|
}
|
|
l= strlen(buf);
|
|
start= cpt+1;
|
|
while(*(++cpt)!=0) if(*cpt=='\'') break;
|
|
if((flag&4) && *cpt==0)
|
|
{ret= 0; goto ex;}
|
|
l= cpt-start; bufl= strlen(buf);
|
|
if(l>0) {
|
|
strncat(buf,start,l);buf[bufl+l]= 0;
|
|
if(bsl_mode >= 2) {
|
|
ret= Sfile_bsl_interpreter(buf + bufl, l, &eaten, 0);
|
|
if(ret <= 0)
|
|
goto ex;
|
|
}
|
|
}
|
|
start= cpt+1;
|
|
}
|
|
if(*cpt==0) break;
|
|
}
|
|
l= cpt-start;
|
|
bufl= strlen(buf);
|
|
if(l>0) {
|
|
strncpy(buf + bufl, start, l); buf[bufl + l]= 0;
|
|
if(bsl_mode >= 3) {
|
|
ret= Sfile_bsl_interpreter(buf + bufl, l, &eaten, 0);
|
|
if(ret <= 0)
|
|
goto ex;
|
|
}
|
|
}
|
|
l= strlen(buf);
|
|
if(pass==0){
|
|
if(argzaehl==line_start_argc && (flag&8))
|
|
if(buf[0]!='-' && buf[0]!=0 && buf[0]!='#')
|
|
l++;
|
|
if(l>maxl) maxl= l;
|
|
}else{
|
|
strcpy((*argv)[argzaehl],buf);
|
|
if(argzaehl==line_start_argc && (flag&8))
|
|
if(buf[0]!='-' && buf[0]!=0 && buf[0]!='#')
|
|
sprintf((*argv)[argzaehl],"-%s", buf);
|
|
}
|
|
argzaehl++;
|
|
if(*cpt==0) break;
|
|
}
|
|
if(pass==0){
|
|
if(flag & 16)
|
|
{ret= 1; goto ex;}
|
|
*argc= argzaehl;
|
|
if(argzaehl>0 || (flag & 128)) {
|
|
*argv= (char **) Smem_malloC((argzaehl + !!(flag & 128))
|
|
* sizeof(char *));
|
|
if(*argv==NULL)
|
|
{ret= -1; goto ex;}
|
|
}
|
|
for(i=0;i<*argc;i++) {
|
|
(*argv)[i]= (char *) Smem_malloC((maxl+1));
|
|
if((*argv)[i]==NULL)
|
|
{ret= -1; goto ex;}
|
|
}
|
|
if(flag & 128)
|
|
(*argv)[*argc]= NULL;
|
|
}
|
|
}
|
|
ret= 1;
|
|
ex:
|
|
if(buf != NULL)
|
|
free(buf);
|
|
return(ret);
|
|
}
|
|
|
|
|
|
int Sfile_make_argv(char *progname, char *line, int *argc, char ***argv,
|
|
int flag)
|
|
{
|
|
return Sfile_sep_make_argv(progname, line, "", 0, argc, argv, flag);
|
|
}
|
|
|
|
|
|
/* @param flag bit0= append */
|
|
int Sfile_str(char target[SfileadrL], char *source, int flag)
|
|
{
|
|
int l;
|
|
|
|
l= strlen(source);
|
|
if(flag&1)
|
|
l+= strlen(target);
|
|
if(l>=SfileadrL) {
|
|
fprintf(stderr, "--- Path string overflow (%d > %d). Malicious input ?\n",
|
|
l,SfileadrL-1);
|
|
return(0);
|
|
}
|
|
if(flag&1)
|
|
strcat(target, source);
|
|
else
|
|
strcpy(target, source);
|
|
return(1);
|
|
}
|
|
|
|
|
|
/** Combine environment variable HOME with given filename
|
|
@param filename Address relative to $HOME
|
|
@param fileadr Resulting combined address
|
|
@param fa_size Size of array fileadr
|
|
@param flag Unused yet
|
|
@return 1=ok , 0=no HOME variable , -1=result address too long
|
|
*/
|
|
int Sfile_home_adr_s(char *filename, char *fileadr, int fa_size, int flag)
|
|
{
|
|
char *home;
|
|
|
|
strcpy(fileadr,filename);
|
|
home= getenv("HOME");
|
|
if(home==NULL)
|
|
return(0);
|
|
if((int) (strlen(home) + strlen(filename) + 1) >= fa_size)
|
|
return(-1);
|
|
strcpy(fileadr,home);
|
|
if(filename[0]!=0){
|
|
strcat(fileadr,"/");
|
|
strcat(fileadr,filename);
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
|
|
/** Return a double representing seconds and microseconds since 1 Jan 1970 */
|
|
double Sfile_microtime(int flag)
|
|
{
|
|
struct timeval tv;
|
|
|
|
gettimeofday(&tv, NULL);
|
|
return((double) (tv.tv_sec+1.0e-6*tv.tv_usec));
|
|
}
|
|
|
|
|
|
int Sfile_decode_datestr(struct tm *reply, char *text, int flag)
|
|
/* YYMMDD[.hhmm[ss]] */
|
|
{
|
|
int i,l;
|
|
time_t current_time;
|
|
struct tm *now;
|
|
|
|
current_time= time(0);
|
|
now= localtime(¤t_time);
|
|
for(i=0; i < (int) sizeof(struct tm); i++)
|
|
((char *) reply)[i]= ((char *) now)[i];
|
|
|
|
if(text[0]<'0'|| (text[0]>'9' && text[0]<'A') || text[0]>'Z')
|
|
return(0);
|
|
l= strlen(text);
|
|
for(i=1;i<l;i++)
|
|
if(text[i]<'0'||text[i]>'9')
|
|
break;
|
|
if(i!=6)
|
|
return(0);
|
|
if(text[i]==0)
|
|
goto decode;
|
|
if(text[i]!='.' || (l!=11 && l!=13))
|
|
return(0);
|
|
for(i++;i<l;i++)
|
|
if(text[i]<'0'||text[i]>'9')
|
|
break;
|
|
if(i!=l)
|
|
return(0);
|
|
|
|
decode:;
|
|
reply->tm_hour= 0;
|
|
reply->tm_min= 0;
|
|
reply->tm_sec= 0;
|
|
i= 0;
|
|
if(text[0]>='A')
|
|
reply->tm_year= 100+(text[i]-'A')*10+text[1]-'0';
|
|
else
|
|
reply->tm_year= 10*(text[0]-'0')+text[1]-'0';
|
|
reply->tm_mon= 10*(text[2]-'0')+text[3]-'0'-1;
|
|
reply->tm_mday= 10*(text[4]-'0')+text[5]-'0';
|
|
if(l==6)
|
|
return(1);
|
|
reply->tm_hour= 10*(text[7]-'0')+text[8]-'0';
|
|
reply->tm_min= 10*(text[9]-'0')+text[10]-'0';
|
|
if(l==11)
|
|
return(1);
|
|
reply->tm_sec= 10*(text[11]-'0')+text[12]-'0';
|
|
return(1);
|
|
}
|
|
|
|
|
|
/* From libisofs:
|
|
Find backward from idx the start byte of a possible UTF-8 character.
|
|
https://en.wikipedia.org/wiki/UTF-8#Description
|
|
*/
|
|
static
|
|
int find_utf8_start(char *name, int idx, int flag)
|
|
{
|
|
unsigned char *uname, uch;
|
|
int i;
|
|
|
|
uname= (unsigned char *) name;
|
|
if ((uname[idx] & 0xc0) != 0x80)
|
|
return idx; /* not an UTF-8 tail byte */
|
|
for (i = 0; i < 5 && idx - 1 - i >= 0; i++) {
|
|
/* up to deprecated 6-byte codes */
|
|
uch = uname[idx - 1 - i];
|
|
if ((uch & 0xe0) == 0xc0 || (uch & 0xf0) == 0xe0 ||
|
|
(uch & 0xf8) == 0xf0 || (uch & 0xfc) == 0xf8 ||
|
|
(uch & 0xfe) == 0xfc)
|
|
return (idx - 1 - i); /* UTF-8 start byte found */
|
|
if ((uch & 0xc0) != 0x80)
|
|
return idx; /* not an UTF-8 tail byte, so no UTF-8 */
|
|
}
|
|
return idx; /* no UTF-8 start found */
|
|
}
|
|
|
|
|
|
int Sfile_flatten_utf8_heads(char *name, int idx, int flag)
|
|
{
|
|
int neck;
|
|
|
|
neck = find_utf8_start(name, idx, 0);
|
|
if(neck >= idx)
|
|
return(2);
|
|
for(; neck < idx; neck++)
|
|
name[neck] = '_';
|
|
return(1);
|
|
}
|
|
|
|
|