Hi,
the following snippet adds git_mkstemp() to libgit (path.c).
/holger
add git_mkstemp() to libgit
--- commit 1a1f2cb5c27ed26e6ef8dd34209e561bdf256c22 tree 868b67b55978394d288ac4f2ca8edcbbad4355bd parent 10833f5e7d0da63ca976607864282d41b5faff1b author Holger Eitzenberger <holger@my-eitzenberger.de> Thu, 04 Aug 2005 22:28:32 +0200 committer Holger Eitzenberger <holger@elmo.intranet.astaro.de> Thu, 04 Aug 2005 22:28:32 +0200
cache.h | 3 +++ path.c | 26 ++++++++++++++++++++++++++ 2 files changed, 29 insertions(+), 0 deletions(-)
Show changes to 2 files +29 −0
cache.h, path.c
diff --git a/cache.h b/cache.h --- a/cache.h +++ b/cache.h @@ -174,7 +174,10 @@ extern char *mkpath(const char *fmt, ... extern char *git_path(const char *fmt, ...); extern char *sha1_file_name(const unsigned char *sha1); +int git_mkstemp(char *path, size_t n, const char *template); + int safe_create_leading_directories(char *path); +char *safe_strncpy(char *, const char *, size_t); /* Read and unpack a sha1 file into memory, write memory to a sha1 file */ extern int unpack_sha1_header(z_stream *stream, void *map, unsigned long mapsize, void *buffer, unsigned long size); diff --git a/path.c b/path.c --- a/path.c +++ b/path.c @@ -58,3 +58,29 @@ char *git_path(const char *fmt, ...) return bad_path; return cleanup_path(pathname); } + + +/* git_mkstemp() - create tmp file honoring TMPDIR variable */ +int git_mkstemp(char *path, size_t len, const char *template) +{ + char *env, *pch = path; + + if ((env = getenv("TMPDIR")) == NULL) { + strcpy(pch, "/tmp/"); + len -= 5; + } else + len -= snprintf(pch, len, "%s/", env); + + safe_strncpy(pch, template, len); + + return mkstemp(path); +} + + +char *safe_strncpy(char *dest, const char *src, size_t n) +{ + strncpy(dest, src, n); + dest[n - 1] = '\0'; + + return dest; +}