diff options
Diffstat (limited to 'lib/replace')
| -rw-r--r-- | lib/replace/replace.c | 13 | ||||
| -rw-r--r-- | lib/replace/replace.h | 4 |
2 files changed, 11 insertions, 6 deletions
diff --git a/lib/replace/replace.c b/lib/replace/replace.c index 6a325400f4..12716ea6d3 100644 --- a/lib/replace/replace.c +++ b/lib/replace/replace.c @@ -748,10 +748,15 @@ char *rep_get_current_dir_name(void) } #endif -#ifndef HAVE_STRERROR_R -char *rep_strerror_r(int errnum, char *buf, size_t buflen) +#if !defined(HAVE_STRERROR_R) || !defined(STRERROR_R_PROTO_COMPATIBLE) +int rep_strerror_r(int errnum, char *buf, size_t buflen) { - strncpy(buf, strerror(errnum), buflen); - return buf; + char *s = strerror(errnum); + if (strlen(s)+1 > buflen) { + errno = ERANGE; + return -1; + } + strncpy(buf, s, buflen); + return 0; } #endif diff --git a/lib/replace/replace.h b/lib/replace/replace.h index 9eb6604c96..7adc224bf2 100644 --- a/lib/replace/replace.h +++ b/lib/replace/replace.h @@ -512,9 +512,9 @@ ssize_t rep_pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offset) char *rep_get_current_dir_name(void); #endif -#ifndef HAVE_STRERROR_R +#if !defined(HAVE_STRERROR_R) || !defined(STRERROR_R_PROTO_COMPATIBLE) #define strerror_r rep_strerror_r -char *rep_strerror_r(int errnum, char *buf, size_t buflen); +int rep_strerror_r(int errnum, char *buf, size_t buflen); #endif #ifdef HAVE_LIMITS_H |