diff options
Diffstat (limited to 'wrapper.c')
| -rw-r--r-- | wrapper.c | 67 |
1 files changed, 54 insertions, 13 deletions
@@ -3,11 +3,25 @@ */ #include "cache.h" +static void try_to_free_builtin(size_t size) +{ + release_pack_memory(size, -1); +} + +static void (*try_to_free_routine)(size_t size) = try_to_free_builtin; + +try_to_free_t set_try_to_free_routine(try_to_free_t routine) +{ + try_to_free_t old = try_to_free_routine; + try_to_free_routine = routine; + return old; +} + char *xstrdup(const char *str) { char *ret = strdup(str); if (!ret) { - release_pack_memory(strlen(str) + 1, -1); + try_to_free_routine(strlen(str) + 1); ret = strdup(str); if (!ret) die("Out of memory, strdup failed"); @@ -21,12 +35,13 @@ void *xmalloc(size_t size) if (!ret && !size) ret = malloc(1); if (!ret) { - release_pack_memory(size, -1); + try_to_free_routine(size); ret = malloc(size); if (!ret && !size) ret = malloc(1); if (!ret) - die("Out of memory, malloc failed"); + die("Out of memory, malloc failed (tried to allocate %lu bytes)", + (unsigned long)size); } #ifdef XMALLOC_POISON memset(ret, 0xA5, size); @@ -67,7 +82,7 @@ void *xrealloc(void *ptr, size_t size) if (!ret && !size) ret = realloc(ptr, 1); if (!ret) { - release_pack_memory(size, -1); + try_to_free_routine(size); ret = realloc(ptr, size); if (!ret && !size) ret = realloc(ptr, 1); @@ -83,7 +98,7 @@ void *xcalloc(size_t nmemb, size_t size) if (!ret && (!nmemb || !size)) ret = calloc(1, 1); if (!ret) { - release_pack_memory(nmemb * size, -1); + try_to_free_routine(nmemb * size); ret = calloc(nmemb, size); if (!ret && (!nmemb || !size)) ret = calloc(1, 1); @@ -204,6 +219,16 @@ int xmkstemp(char *template) return fd; } +int xmkstemp_mode(char *template, int mode) +{ + int fd; + + fd = git_mkstemp_mode(template, mode); + if (fd < 0) + die_errno("Unable to create temporary file"); + return fd; +} + /* * zlib wrappers to make sure we don't silently miss errors * at init time. @@ -267,10 +292,14 @@ int git_inflate(z_streamp strm, int flush) int odb_mkstemp(char *template, size_t limit, const char *pattern) { int fd; - + /* + * we let the umask do its job, don't try to be more + * restrictive except to remove write permission. + */ + int mode = 0444; snprintf(template, limit, "%s/%s", get_object_directory(), pattern); - fd = mkstemp(template); + fd = git_mkstemp_mode(template, mode); if (0 <= fd) return fd; @@ -279,7 +308,7 @@ int odb_mkstemp(char *template, size_t limit, const char *pattern) snprintf(template, limit, "%s/%s", get_object_directory(), pattern); safe_create_leading_directories(template); - return xmkstemp(template); + return xmkstemp_mode(template, mode); } int odb_pack_keep(char *name, size_t namesz, unsigned char *sha1) @@ -297,18 +326,30 @@ int odb_pack_keep(char *name, size_t namesz, unsigned char *sha1) return open(name, O_RDWR|O_CREAT|O_EXCL, 0600); } -int unlink_or_warn(const char *file) +static int warn_if_unremovable(const char *op, const char *file, int rc) { - int rc = unlink(file); - if (rc < 0) { int err = errno; if (ENOENT != err) { - warning("unable to unlink %s: %s", - file, strerror(errno)); + warning("unable to %s %s: %s", + op, file, strerror(errno)); errno = err; } } return rc; } +int unlink_or_warn(const char *file) +{ + return warn_if_unremovable("unlink", file, unlink(file)); +} + +int rmdir_or_warn(const char *file) +{ + return warn_if_unremovable("rmdir", file, rmdir(file)); +} + +int remove_or_warn(unsigned int mode, const char *file) +{ + return S_ISGITLINK(mode) ? rmdir_or_warn(file) : unlink_or_warn(file); +} |