diff options
| -rw-r--r-- | cache.h | 3 | ||||
| -rw-r--r-- | path.c | 26 |
2 files changed, 29 insertions, 0 deletions
@@ -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); @@ -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; +} |