proxmox-mirrors/libgit2
1
0
Fork 0
mirror of https://git.proxmox.com/git/libgit2 synced 2025-05-11 18:17:54 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

build_varname: allocate memory

Browse Source 
Signed-off-by: Carlos Martín Nieto <cmn@elego.de>
This commit is contained in:
Carlos Martín Nieto 2011-03-30 11:07:09 +02:00
parent 9a3c5e55fd
commit 2e445cacd2
1 changed files with 14 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/config.c
View File

@ -596,16 +596,24 @@ static int config_parse(git_config *cfg_file)
return error; return error;
} }
static const char *build_varname(const char *section, const char *name, int len) /*
* Gives $section.$name back, using only name_len chars from the name,
* which is useful so we don't have to copy the variable name twice.
* Don't forget to free the memory you get.
*/
static char *build_varname(const char *section, const char *name, int name_len)
{ {
static char varname[1024]; /* TODO: What's the longest we should allow? */ char *varname;
int section_len, ret;
size_t total_len;
if(strlen(section) + len + 2 > sizeof(varname)) section_len = strlen(section);
total_len = section_len + name_len + 2;
varname = malloc(total_len);
if(varname == NULL)
return NULL; return NULL;
strcpy(varname, section); ret = snprintf(varname, total_len, "%s.%s", section, name);
strcat(varname, ".");
strncat(varname, name, len);
return varname; return varname;
} }