libburnia/libisofs
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Add low level functions to create a node.

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This commit is contained in:
Vreixo Formoso
2008-01-25 22:57:29 +01:00
parent 6bb58a2cd1
commit fc3f25c093
2 changed files with 198 additions and 0 deletions
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116
src/node.c
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@ -739,3 +739,119 @@ int iso_node_new_root(IsoDir **root)
*root = dir;
return ISO_SUCCESS;
}
int iso_node_new_dir(char *name, IsoDir **dir)
{
IsoDir *new;
if (dir == NULL || name == NULL) {
return ISO_NULL_POINTER;
}
/* check if the name is valid */
if (!iso_node_is_valid_name(name)) {
return ISO_WRONG_ARG_VALUE;
}
new = calloc(1, sizeof(IsoDir));
if (new == NULL) {
return ISO_OUT_OF_MEM;
}
new->node.refcount = 1;
new->node.type = LIBISO_DIR;
new->node.name = name;
new->node.mode = S_IFDIR;
*dir = new;
return ISO_SUCCESS;
}
int iso_node_new_file(char *name, IsoStream *stream, IsoFile **file)
{
IsoFile *new;
if (file == NULL || name == NULL || stream == NULL) {
return ISO_NULL_POINTER;
}
/* check if the name is valid */
if (!iso_node_is_valid_name(name)) {
return ISO_WRONG_ARG_VALUE;
}
new = calloc(1, sizeof(IsoFile));
if (new == NULL) {
return ISO_OUT_OF_MEM;
}
new->node.refcount = 1;
new->node.type = LIBISO_FILE;
new->node.name = name;
new->node.mode = S_IFREG;
new->stream = stream;
*file = new;
return ISO_SUCCESS;
}
int iso_node_new_symlink(char *name, char *dest, IsoSymlink **link)
{
IsoSymlink *new;
if (link == NULL || name == NULL || dest == NULL) {
return ISO_NULL_POINTER;
}
/* check if the name is valid */
if (!iso_node_is_valid_name(name)) {
return ISO_WRONG_ARG_VALUE;
}
/* check if destination is valid */
if (!iso_node_is_valid_link_dest(dest)) {
/* guard against null or empty dest */
return ISO_WRONG_ARG_VALUE;
}
new = calloc(1, sizeof(IsoSymlink));
if (new == NULL) {
return ISO_OUT_OF_MEM;
}
new->node.refcount = 1;
new->node.type = LIBISO_SYMLINK;
new->node.name = name;
new->dest = dest;
new->node.mode = S_IFLNK;
*link = new;
return ISO_SUCCESS;
}
int iso_node_new_special(char *name, mode_t mode, dev_t dev,
IsoSpecial **special)
{
IsoSpecial *new;
if (special == NULL || name == NULL) {
return ISO_NULL_POINTER;
}
if (S_ISLNK(mode) || S_ISREG(mode) || S_ISDIR(mode)) {
return ISO_WRONG_ARG_VALUE;
}
/* check if the name is valid */
if (!iso_node_is_valid_name(name)) {
return ISO_WRONG_ARG_VALUE;
}
new = calloc(1, sizeof(IsoSpecial));
if (new == NULL) {
return ISO_OUT_OF_MEM;
}
new->node.refcount = 1;
new->node.type = LIBISO_SPECIAL;
new->node.name = name;
new->node.mode = mode;
new->dev = dev;
*special = new;
return ISO_SUCCESS;
}