diff options
Diffstat (limited to 'libc/string/strerror.c')
| -rw-r--r-- | libc/string/strerror.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/libc/string/strerror.c b/libc/string/strerror.c index e157835c8..890a03d1a 100644 --- a/libc/string/strerror.c +++ b/libc/string/strerror.c @@ -28,26 +28,25 @@ Cambridge, MA 02139, USA. */ * * Added the option WANT_ERRORLIST for low-memory applications to omit the * error message strings and only output the error number. + * + * Manuel Novoa III Feb 2002 + * + * Change to _int10tostr and fix a bug in end-of-buf arg. */ #define WANT_ERRORLIST 1 +#define _STDIO_UTILITY /* For _int10tostr. */ #include <stdio.h> #include <string.h> #include <errno.h> -#include <limits.h> - -#if (INT_MAX >> 31) -/* We're set up for 32 bit ints */ -#error need to check size allocation for static buffer 'retbuf' -#endif - -extern char *__ltostr(char *buf, long uval, int base, int uppercase); - #if WANT_ERRORLIST static char retbuf[48]; #else +#if __BUFLEN_INT10TOSTR > 12 +#error currently set up for 32 bit ints max! +#endif static char retbuf[33]; /* 33 is sufficient for 32 bit ints */ #endif static const char unknown_error[] = "Unknown Error: errno"; /* = */ @@ -66,9 +65,8 @@ char *strerror(int err) } #endif - /* unknown error */ - pos = __ltostr(retbuf + sizeof(retbuf) + 1, err, 10, 0) - - sizeof(unknown_error); /* leave space for the '=' */ + /* unknown error -- leave space for the '=' */ + pos = _int10tostr(retbuf+sizeof(retbuf)-1, err) - sizeof(unknown_error); strcpy(pos, unknown_error); *(pos + sizeof(unknown_error) - 1) = '='; return pos; @@ -97,8 +95,8 @@ int main(void) #endif p = strerror(INT_MIN); - j = strlen(p)+1; - if (j > max) { + j = retbuf+sizeof(retbuf) - p; + if ( > max) { max = j; printf("strerror.c - Test of INT_MIN: <%s> %d\n", p, j); } |