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Merge pull request #3530 from libgit2/cmn/parse-mode

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tree: use a specialised mode parse function
This commit is contained in:
Edward Thomson 2015-12-03 17:42:52 -05:00
commit 5d1f31c6e6
1 changed files with 21 additions and 5 deletions
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26
src/tree.c
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@ -416,6 +416,25 @@ static int tree_error(const char *str, const char *path)
return -1;
}
static int parse_mode(unsigned int *modep, const char *buffer, const char **buffer_out)
{
unsigned char c;
unsigned int mode = 0;
if (*buffer == ' ')
return -1;
while ((c = *buffer++) != ' ') {
if (c < '0' || c > '7')
return -1;
mode = (mode << 3) + (c - '0');
}
*modep = mode;
*buffer_out = buffer;
return 0;
}
int git_tree__parse(void *_tree, git_odb_object *odb_obj)
{
git_tree *tree = _tree;
@ -430,14 +449,11 @@ int git_tree__parse(void *_tree, git_odb_object *odb_obj)
git_tree_entry *entry;
size_t filename_len;
const char *nul;
int attr;
unsigned int attr;
if (git__strtol32(&attr, buffer, &buffer, 8) < 0 || !buffer)
if (parse_mode(&attr, buffer, &buffer) < 0 || !buffer)
return tree_error("Failed to parse tree. Can't parse filemode", NULL);
if (*buffer++ != ' ')
return tree_error("Failed to parse tree. Object is corrupted", NULL);
if ((nul = memchr(buffer, 0, buffer_end - buffer)) == NULL)
return tree_error("Failed to parse tree. Object is corrupted", NULL);