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Patch from Matt Kraai to fix an infinate loop with ls -aR
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4bfb6b7b67
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cf1189f5a7
@ -127,6 +127,7 @@
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#define SPLIT_DIR 0
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#define SPLIT_FILE 1
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#define SPLIT_SUBDIR 2
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#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
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#define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
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@ -236,11 +237,16 @@ static void nexttabstop( void )
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}
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/*----------------------------------------------------------------------*/
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static int is_subdir(struct dnode *dn)
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{
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return (S_ISDIR(dn->dstat.st_mode) && strcmp(dn->name, ".") != 0 &&
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strcmp(dn->name, "..") != 0);
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}
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int countdirs(struct dnode **dn, int nfiles)
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{
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int i, dirs;
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/* count how many dirs and regular files there are */
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if (dn==NULL || nfiles < 1) return(0);
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dirs= 0;
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for (i=0; i<nfiles; i++) {
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@ -249,6 +255,18 @@ int countdirs(struct dnode **dn, int nfiles)
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return(dirs);
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}
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int countsubdirs(struct dnode **dn, int nfiles)
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{
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int i, subdirs;
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if (dn == NULL || nfiles < 1) return 0;
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subdirs = 0;
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for (i = 0; i < nfiles; i++)
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if (is_subdir(dn[i]))
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subdirs++;
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return subdirs;
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}
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int countfiles(struct dnode **dnp)
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{
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int nfiles;
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@ -296,9 +314,13 @@ struct dnode **splitdnarray(struct dnode **dn, int nfiles, int which)
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if (dn==NULL || nfiles < 1) return(NULL);
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/* count how many dirs and regular files there are */
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dncnt= countdirs(dn, nfiles); /* assume we are looking for dirs */
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if (which != SPLIT_DIR)
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dncnt= nfiles - dncnt; /* looking for files */
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if (which == SPLIT_SUBDIR)
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dncnt = countsubdirs(dn, nfiles);
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else {
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dncnt= countdirs(dn, nfiles); /* assume we are looking for dirs */
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if (which == SPLIT_FILE)
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dncnt= nfiles - dncnt; /* looking for files */
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}
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/* allocate a file array and a dir array */
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dnp= dnalloc(dncnt);
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@ -309,6 +331,10 @@ struct dnode **splitdnarray(struct dnode **dn, int nfiles, int which)
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if (S_ISDIR(dn[i]->dstat.st_mode)) {
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dnp[d++]= dn[i];
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} /* else skip the file */
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} else if (which == SPLIT_SUBDIR) {
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if (is_subdir(dn[i])) {
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dnp[d++]= dn[i];
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} /* else skip the file or dir */
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} else {
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if (!(S_ISDIR(dn[i]->dstat.st_mode))) {
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dnp[d++]= dn[i];
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@ -455,8 +481,8 @@ void showdirs(struct dnode **dn, int ndirs)
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#ifdef BB_FEATURE_LS_RECURSIVE
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if (disp_opts & DISP_RECURSIVE) {
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/* recursive- list the sub-dirs */
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dnd= splitdnarray(subdnp, nfiles, SPLIT_DIR);
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dndirs= countdirs(subdnp, nfiles);
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dnd= splitdnarray(subdnp, nfiles, SPLIT_SUBDIR);
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dndirs= countsubdirs(subdnp, nfiles);
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if (dndirs > 0) {
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#ifdef BB_FEATURE_LS_SORTFILES
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shellsort(dnd, dndirs);
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38
ls.c
38
ls.c
@ -127,6 +127,7 @@
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#define SPLIT_DIR 0
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#define SPLIT_FILE 1
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#define SPLIT_SUBDIR 2
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#define TYPEINDEX(mode) (((mode) >> 12) & 0x0f)
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#define TYPECHAR(mode) ("0pcCd?bB-?l?s???" [TYPEINDEX(mode)])
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@ -236,11 +237,16 @@ static void nexttabstop( void )
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}
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/*----------------------------------------------------------------------*/
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static int is_subdir(struct dnode *dn)
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{
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return (S_ISDIR(dn->dstat.st_mode) && strcmp(dn->name, ".") != 0 &&
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strcmp(dn->name, "..") != 0);
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}
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int countdirs(struct dnode **dn, int nfiles)
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{
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int i, dirs;
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/* count how many dirs and regular files there are */
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if (dn==NULL || nfiles < 1) return(0);
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dirs= 0;
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for (i=0; i<nfiles; i++) {
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@ -249,6 +255,18 @@ int countdirs(struct dnode **dn, int nfiles)
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return(dirs);
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}
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int countsubdirs(struct dnode **dn, int nfiles)
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{
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int i, subdirs;
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if (dn == NULL || nfiles < 1) return 0;
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subdirs = 0;
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for (i = 0; i < nfiles; i++)
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if (is_subdir(dn[i]))
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subdirs++;
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return subdirs;
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}
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int countfiles(struct dnode **dnp)
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{
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int nfiles;
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@ -296,9 +314,13 @@ struct dnode **splitdnarray(struct dnode **dn, int nfiles, int which)
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if (dn==NULL || nfiles < 1) return(NULL);
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/* count how many dirs and regular files there are */
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dncnt= countdirs(dn, nfiles); /* assume we are looking for dirs */
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if (which != SPLIT_DIR)
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dncnt= nfiles - dncnt; /* looking for files */
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if (which == SPLIT_SUBDIR)
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dncnt = countsubdirs(dn, nfiles);
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else {
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dncnt= countdirs(dn, nfiles); /* assume we are looking for dirs */
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if (which == SPLIT_FILE)
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dncnt= nfiles - dncnt; /* looking for files */
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}
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/* allocate a file array and a dir array */
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dnp= dnalloc(dncnt);
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@ -309,6 +331,10 @@ struct dnode **splitdnarray(struct dnode **dn, int nfiles, int which)
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if (S_ISDIR(dn[i]->dstat.st_mode)) {
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dnp[d++]= dn[i];
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} /* else skip the file */
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} else if (which == SPLIT_SUBDIR) {
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if (is_subdir(dn[i])) {
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dnp[d++]= dn[i];
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} /* else skip the file or dir */
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} else {
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if (!(S_ISDIR(dn[i]->dstat.st_mode))) {
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dnp[d++]= dn[i];
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@ -455,8 +481,8 @@ void showdirs(struct dnode **dn, int ndirs)
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#ifdef BB_FEATURE_LS_RECURSIVE
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if (disp_opts & DISP_RECURSIVE) {
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/* recursive- list the sub-dirs */
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dnd= splitdnarray(subdnp, nfiles, SPLIT_DIR);
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dndirs= countdirs(subdnp, nfiles);
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dnd= splitdnarray(subdnp, nfiles, SPLIT_SUBDIR);
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dndirs= countsubdirs(subdnp, nfiles);
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if (dndirs > 0) {
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#ifdef BB_FEATURE_LS_SORTFILES
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shellsort(dnd, dndirs);
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