diff --git a/wrapper.c b/wrapper.c
index 8d7dd31c4ba5439652d11e5ada06e0d52bc04e4f..4c147d6c48c000bab636fad3edc2fe7da6670948 100644 (file)
--- a/wrapper.c
+++ b/wrapper.c
void *xmallocz(size_t size)
{
void *ret;
void *xmallocz(size_t size)
{
void *ret;
- if (size + 1 < size)
+ if (unsigned_add_overflows(size, 1))
die("Data too large to fit into virtual memory space.");
ret = xmalloc(size + 1);
((char*)ret)[size] = 0;
die("Data too large to fit into virtual memory space.");
ret = xmalloc(size + 1);
((char*)ret)[size] = 0;
int xmkstemp(char *template)
{
int fd;
int xmkstemp(char *template)
{
int fd;
+ char origtemplate[PATH_MAX];
+ strlcpy(origtemplate, template, sizeof(origtemplate));
fd = mkstemp(template);
fd = mkstemp(template);
- if (fd < 0)
- die_errno("Unable to create temporary file");
+ if (fd < 0) {
+ int saved_errno = errno;
+ const char *nonrelative_template;
+
+ if (!template[0])
+ template = origtemplate;
+
+ nonrelative_template = make_nonrelative_path(template);
+ errno = saved_errno;
+ die_errno("Unable to create temporary file '%s'",
+ nonrelative_template);
+ }
return fd;
}
return fd;
}
int xmkstemp_mode(char *template, int mode)
{
int fd;
int xmkstemp_mode(char *template, int mode)
{
int fd;
+ char origtemplate[PATH_MAX];
+ strlcpy(origtemplate, template, sizeof(origtemplate));
fd = git_mkstemp_mode(template, mode);
fd = git_mkstemp_mode(template, mode);
- if (fd < 0)
- die_errno("Unable to create temporary file");
+ if (fd < 0) {
+ int saved_errno = errno;
+ const char *nonrelative_template;
+
+ if (!template[0])
+ template = origtemplate;
+
+ nonrelative_template = make_nonrelative_path(template);
+ errno = saved_errno;
+ die_errno("Unable to create temporary file '%s'",
+ nonrelative_template);
+ }
return fd;
}
return fd;
}