diff options
Diffstat (limited to 'mysys/my_vsnprintf.c')
-rw-r--r-- | mysys/my_vsnprintf.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/mysys/my_vsnprintf.c b/mysys/my_vsnprintf.c deleted file mode 100644 index e49b1d0e729..00000000000 --- a/mysys/my_vsnprintf.c +++ /dev/null @@ -1,124 +0,0 @@ -/* Copyright (C) 2000 MySQL AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - -#include "mysys_priv.h" -#include "mysys_err.h" -#include <m_string.h> -#include <stdarg.h> -#include <m_ctype.h> -#include <assert.h> - -int my_snprintf(char* to, size_t n, const char* fmt, ...) -{ - int result; - va_list args; - va_start(args,fmt); - result= my_vsnprintf(to, n, fmt, args); - va_end(args); - return result; -} - - -int my_vsnprintf(char *to, size_t n, const char* fmt, va_list ap) -{ - char *start=to, *end=to+n-1; - for (; *fmt ; fmt++) - { - if (fmt[0] != '%') - { - if (to == end) /* End of buffer */ - break; - *to++= *fmt; /* Copy ordinary char */ - continue; - } - /* Skip if max size is used (to be compatible with printf) */ - fmt++; - while (isdigit(*fmt) || *fmt == '.' || *fmt == '-') - fmt++; - if (*fmt == 'l') - fmt++; - if (*fmt == 's') /* String parameter */ - { - reg2 char *par = va_arg(ap, char *); - uint plen,left_len = (uint)(end-to); - if (!par) par = (char*)"(null)"; - plen = (uint) strlen(par); - if (left_len <= plen) - plen = left_len - 1; - to=strnmov(to,par,plen); - continue; - } - else if (*fmt == 'd' || *fmt == 'u') /* Integer parameter */ - { - register int iarg; - if ((uint) (end-to) < 16) - break; - iarg = va_arg(ap, int); - if (*fmt == 'd') - to=int10_to_str((long) iarg,to, -10); - else - to=int10_to_str((long) (uint) iarg,to,10); - continue; - } - /* We come here on '%%', unknown code or too long parameter */ - if (to == end) - break; - *to++='%'; /* % used as % or unknown code */ - } - DBUG_ASSERT(to <= end); - *to='\0'; /* End of errmessage */ - return (uint) (to - start); -} - - -#ifdef MAIN -#define OVERRUN_SENTRY 250 -static void my_printf(const char * fmt, ...) -{ - char buf[33]; - int n; - va_list ar; - va_start(ar, fmt); - buf[sizeof(buf)-1]=OVERRUN_SENTRY; - n = my_vsnprintf(buf, sizeof(buf)-1,fmt, ar); - printf(buf); - printf("n=%d, strlen=%d\n", n, strlen(buf)); - if (buf[sizeof(buf)-1] != OVERRUN_SENTRY) - { - fprintf(stderr, "Buffer overrun\n"); - abort(); - } - va_end(ar); -} - - -int main() -{ - - my_printf("Hello\n"); - my_printf("Hello int, %d\n", 1); - my_printf("Hello string '%s'\n", "I am a string"); - my_printf("Hello hack hack hack hack hack hack hack %d\n", 1); - my_printf("Hello %d hack %d\n", 1, 4); - my_printf("Hello %d hack hack hack hack hack %d\n", 1, 4); - my_printf("Hello '%s' hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh\n", "hack"); - my_printf("Hello hhhhhhhhhhhhhh %d sssssssssssssss\n", 1); - my_printf("Hello %u\n", 1); - my_printf("conn %ld to: '%-.64s' user: '%-.32s' host:\ - `%-.64s' (%-.64s)", 1, 0,0,0,0); - return 0; -} -#endif |