diff options
Diffstat (limited to 'elf/dl-minimal.c')
| -rw-r--r-- | elf/dl-minimal.c | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/elf/dl-minimal.c b/elf/dl-minimal.c index 088c233..da9c33f 100644 --- a/elf/dl-minimal.c +++ b/elf/dl-minimal.c @@ -24,6 +24,7 @@ #include <string.h> #include <link.h> #include <stdio-common/_itoa.h> +#include <errno.h> /* Minimal `malloc' allocator for use while loading shared libraries. Only small blocks are allocated, and none are ever freed. */ @@ -123,15 +124,47 @@ longjmp (jmp_buf env, int val) __longjmp (env[0].__jmpbuf, val); } -/* Define our own stub for the localization function used by strerror. - English-only in the dynamic linker keeps it smaller. */ +/* Define our own version of the internal function used by strerror. We + only provide the messages for some common errors. This avoids pulling + in the whole error list. */ char * weak_function -__dcgettext (const char *domainname, const char *msgid, int category) +_strerror_internal (int errnum, char *buf, size_t buflen) { - return (char *) msgid; + char *msg; + + switch (errnum) + { + case ENOMEM: + msg = (char *) "Cannot allocate memory"; + break; + case EINVAL: + msg = (char *) "Invalid argument"; + break; + case ENOENT: + msg = (char *) "No such file or directory"; + break; + case EPERM: + msg = (char *) "Operation not permitted"; + break; + case EIO: + msg = (char *) "Input/output error"; + break; + case EACCES: + msg = (char *) "Permission denied"; + break; + default: + /* No need to check buffer size, all calls in the dynamic linker + provide enough space. */ + buf[buflen - 1] = '\0'; + msg = _itoa_word (errnum, buf + buflen - 1, 10, 0); + msg = memcpy (msg - (sizeof ("Error ") - 1), "Error ", + sizeof ("Error ") - 1); + break; + } + + return msg; } -weak_alias (__dcgettext, dcgettext) #ifndef NDEBUG |