diff options
Diffstat (limited to 'strings/my_vsnprintf.c')
-rw-r--r-- | strings/my_vsnprintf.c | 60 |
1 files changed, 9 insertions, 51 deletions
diff --git a/strings/my_vsnprintf.c b/strings/my_vsnprintf.c index 46961058eea..ad8e7c8c776 100644 --- a/strings/my_vsnprintf.c +++ b/strings/my_vsnprintf.c @@ -260,6 +260,14 @@ static char *process_int_arg(char *to, char *end, size_t length, { size_t diff= (length- res_length); bfill(to, diff, (print_type & PREZERO_ARG) ? '0' : ' '); + if (arg_type == 'p' && print_type & PREZERO_ARG) + { + if (diff > 1) + to[1]= 'x'; + else + store_start[0]= 'x'; + store_start[1]= '0'; + } to+= diff; } bmove(to, store_start, res_length); @@ -323,6 +331,7 @@ start: /* Get print width */ if (*fmt == '*') { + fmt++; fmt= get_width(fmt, &print_arr[idx].width); print_arr[idx].width--; DBUG_ASSERT(*fmt == '$' && print_arr[idx].width < MAX_ARGS); @@ -623,54 +632,3 @@ size_t my_snprintf(char* to, size_t n, const char* fmt, ...) return result; } -#ifdef MAIN -#define OVERRUN_SENTRY 250 -static void my_printf(const char * fmt, ...) -{ - char buf[33]; - int n; - va_list ar; - va_start(ar, fmt); - buf[sizeof(buf)-1]=OVERRUN_SENTRY; - n = my_vsnprintf(buf, sizeof(buf)-1,fmt, ar); - printf(buf); - printf("n=%d, strlen=%d\n", n, strlen(buf)); - if ((uchar) buf[sizeof(buf)-1] != OVERRUN_SENTRY) - { - fprintf(stderr, "Buffer overrun\n"); - abort(); - } - va_end(ar); -} - - -int main() -{ - - my_printf("Hello\n"); - my_printf("Hello int, %d\n", 1); - my_printf("Hello string '%s'\n", "I am a string"); - my_printf("Hello hack hack hack hack hack hack hack %d\n", 1); - my_printf("Hello %d hack %d\n", 1, 4); - my_printf("Hello %d hack hack hack hack hack %d\n", 1, 4); - my_printf("Hello '%s' hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh\n", "hack"); - my_printf("Hello hhhhhhhhhhhhhh %d sssssssssssssss\n", 1); - my_printf("Hello %u\n", 1); - my_printf("Hex: %lx '%6lx'\n", 32, 65); - my_printf("conn %ld to: '%-.64s' user: '%-.32s' host:\ - `%-.64s' (%-.64s)", 1, 0,0,0,0); - - my_printf("Hello string %`s\n", "I am a string"); - my_printf("Hello %05s\n", "TEST"); - my_printf("My %1$`-.1s test\n", "QQQQ"); - my_printf("My %1$s test done %2$s\n", "DDDD", "AAAA"); - my_printf("My %1$s test %2$s, %1$-.3s\n", "DDDD", "CCCC"); - my_printf("My %1$`-.4b test\n", "QQQQ"); - my_printf("My %1$c test\n", 'X'); - my_printf("My `%010d` test1 %4x test2 %4X\n", 10, 10, 10); - my_printf("My `%1$010d` test1 %2$4x test2 %2$4x\n", 10, 10); - my_printf("My %1$*02$d test\n", 10, 5); - my_printf("My %1$`s test %2$s, %1$`-.3s\n", "DDDD", "CCCC"); - return 0; -} -#endif |