From f2db68eda89f2fbe7e4c1a69a3c10b25ea43667c Mon Sep 17 00:00:00 2001 From: Holger Eitzenberger Date: Thu, 4 Aug 2005 22:43:03 +0200 Subject: [PATCH] [PATCH] git: add git_mkstemp() Signed-off-by: Junio C Hamano --- cache.h | 3 +++ path.c | 26 ++++++++++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/cache.h b/cache.h index fd4988ed9..6dbc32a7e 100644 --- a/cache.h +++ b/cache.h @@ -181,7 +181,10 @@ extern char *sha1_file_name(const unsigned char *sha1); extern char *sha1_pack_name(const unsigned char *sha1); extern char *sha1_pack_index_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 index d217ef0b7..7ef0d1b80 100644 --- 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; +} -- 2.30.2