tris/recoll
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

initialize the error buffer for gnu strerror_r

Browse Source
This commit is contained in:
dockes 2009-01-21 10:49:38 +00:00
parent 1173e00f19
commit e8d2885728
1 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/utils/readfile.cpp
View File

@ -41,15 +41,29 @@ using std::string;
static void caterrno(string *reason, const char *what, int _errno) static void caterrno(string *reason, const char *what, int _errno)
{ {
if (reason) { if (reason) {
reason->append("file_to_string: ");
reason->append(what); reason->append(what);
reason->append(": "); reason->append(": errno: ");
char nbuf[10];
sprintf(nbuf, "%d", _errno);
reason->append(nbuf);
reason->append(" : ");
#ifdef sun #ifdef sun
// Note: sun strerror is noted mt-safe ?? // Note: sun strerror is noted mt-safe ??
reason->append(strerror(_errno)); reason->append(strerror(_errno));
#else #else
#define ERRBUFSZ 200 #define ERRBUFSZ 200
char errbuf[ERRBUFSZ]; char errbuf[ERRBUFSZ];
// There are 2 versions of strerror_r.
// - The GNU one returns a pointer to the message (maybe
// static storage or supplied buffer).
// - The POSIX one always stores in supplied buffer and
// returns 0 on success. As the possibility of error and
// error code are not specified, we're basically doomed
// cause we can't use a test on the 0 value to know if we
// were returned a pointer...
// Also couldn't find an easy way to disable the gnu version without
// changing the cxxflags globally, so forget it.
// At worse we get no message at all here.
errbuf[0] = 0; errbuf[0] = 0;
strerror_r(_errno, errbuf, ERRBUFSZ); strerror_r(_errno, errbuf, ERRBUFSZ);
reason->append(errbuf); reason->append(errbuf);