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Minor change to path lookup that fixes the bug that creating a file

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as a first component of an absolute path failed (e.g. 'touch /file'),
due to leading slashes not being skipped in the processed path counter
in that case, causing create to fail.
This commit is contained in:
Ben Gras 2007-02-28 13:13:39 +00:00
parent 84b77d5bfd
commit 52b71b2396
1 changed files with 8 additions and 6 deletions
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14
servers/mfs/path.c
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@ -196,9 +196,14 @@ printf("%s, %d\n", __FILE__, __LINE__);
/* Scan the path component by component. */
while (TRUE) {
/* Extract one component. */
int slashes = 0;
/* Extract one component. Skip slashes first. */
while (path[slashes] == '/') {
slashes++;
path_processed++;
}
fs_m_out.RES_OFFSET = path_processed; /* For ENOENT */
if ( (new_name = get_name(path, string)) == (char*) 0) {
if ( (new_name = get_name(path+slashes, string)) == (char*) 0) {
put_inode(rip); /* bad path in user space */
printf("%s, %d\n", __FILE__, __LINE__);
return(NIL_INODE);
@ -487,11 +492,8 @@ char string[NAME_MAX]; /* component extracted from 'old_name' */
np = string; /* 'np' points to current position */
rnp = old_name; /* 'rnp' points to unparsed string */
while ( (c = *rnp) == '/') {
rnp++; /* skip leading slashes */
path_processed++; /* count characters */
}
c = *rnp;
/* Copy the unparsed path, 'old_name', to the array, 'string'. */
while ( rnp < &old_name[PATH_MAX] && c != '/' && c != '\0') {
if (np < &string[NAME_MAX]) *np++ = c;