diff options
Diffstat (limited to 'erts/emulator')
-rw-r--r-- | erts/emulator/beam/bif.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/erl_alloc.c | 6 | ||||
-rw-r--r-- | erts/emulator/beam/erl_bif_os.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/erl_db_util.c | 10 | ||||
-rw-r--r-- | erts/emulator/beam/erl_mtrace.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/erl_process.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/erl_process_dump.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/erl_term.c | 2 | ||||
-rw-r--r-- | erts/emulator/beam/external.c | 4 | ||||
-rw-r--r-- | erts/emulator/beam/sys.h | 4 | ||||
-rw-r--r-- | erts/emulator/drivers/win32/registry_drv.c | 2 | ||||
-rw-r--r-- | erts/emulator/sys/unix/sys.c | 26 | ||||
-rw-r--r-- | erts/emulator/sys/unix/sys_float.c | 8 | ||||
-rwxr-xr-x | erts/emulator/sys/win32/sys.c | 7 | ||||
-rw-r--r-- | erts/emulator/sys/win32/sys_float.c | 8 |
15 files changed, 46 insertions, 41 deletions
diff --git a/erts/emulator/beam/bif.c b/erts/emulator/beam/bif.c index 66f4259d20..1cdce49eef 100644 --- a/erts/emulator/beam/bif.c +++ b/erts/emulator/beam/bif.c @@ -2844,7 +2844,7 @@ BIF_RETTYPE float_to_list_1(BIF_ALIST_1) if (is_not_float(BIF_ARG_1)) BIF_ERROR(BIF_P, BADARG); GET_DOUBLE(BIF_ARG_1, f); - if ((i = sys_double_to_chars(f.fd, fbuf)) <= 0) + if ((i = sys_double_to_chars(f.fd, fbuf, sizeof(fbuf))) <= 0) BIF_ERROR(BIF_P, EXC_INTERNAL_ERROR); need = i*2; hp = HAlloc(BIF_P, need); diff --git a/erts/emulator/beam/erl_alloc.c b/erts/emulator/beam/erl_alloc.c index ba73ca6da7..3eee53eba3 100644 --- a/erts/emulator/beam/erl_alloc.c +++ b/erts/emulator/beam/erl_alloc.c @@ -1675,7 +1675,7 @@ erts_alc_fatal_error(int error, int func, ErtsAlcType_t n, ...) t_str = type_no_str(n); if (!t_str) { - sprintf(buf, "%d", (int) n); + erts_snprintf(buf, sizeof(buf), "%d", (int) n); t_str = buf; } @@ -3572,12 +3572,12 @@ check_memory_fence(void *ptr, Uint *size, ErtsAlcType_t n, int func) ftype = type_no_str(found_type); if (!ftype) { - sprintf(fbuf, "%d", (int) found_type); + erts_snprintf(fbuf, sizeof(fbuf), "%d", (int) found_type); ftype = fbuf; } otype = type_no_str(n); if (!otype) { - sprintf(obuf, "%d", (int) n); + erts_snprintf(obuf, sizeof(obuf), "%d", (int) n); otype = obuf; } diff --git a/erts/emulator/beam/erl_bif_os.c b/erts/emulator/beam/erl_bif_os.c index 831e05493a..1062d4379b 100644 --- a/erts/emulator/beam/erl_bif_os.c +++ b/erts/emulator/beam/erl_bif_os.c @@ -58,7 +58,7 @@ BIF_RETTYPE os_getpid_0(BIF_ALIST_0) char pid_string[21]; /* enough for a 64 bit number */ int n; Eterm* hp; - sys_get_pid(pid_string); /* In sys.c */ + sys_get_pid(pid_string, sizeof(pid_string)); /* In sys.c */ n = sys_strlen(pid_string); hp = HAlloc(BIF_P, n*2); BIF_RET(buf_to_intlist(&hp, pid_string, n, NIL)); diff --git a/erts/emulator/beam/erl_db_util.c b/erts/emulator/beam/erl_db_util.c index 42907e2e84..0c9ca83ce4 100644 --- a/erts/emulator/beam/erl_db_util.c +++ b/erts/emulator/beam/erl_db_util.c @@ -2480,7 +2480,7 @@ Eterm db_format_dmc_err_info(Process *p, DMCErrInfo *ei) vnum = tmp->variable; } if (vnum >= 0) - sprintf(buff,tmp->error_string, vnum); + erts_snprintf(buff,sizeof(buff)+20,tmp->error_string, vnum); else strcpy(buff,tmp->error_string); sl = strlen(buff); @@ -4485,7 +4485,9 @@ static DMCRet dmc_fun(DMCContext *context, if (context->err_info != NULL) { /* Ugly, should define a better RETURN_TERM_ERROR interface... */ char buff[100]; - sprintf(buff, "Function %%T/%d does_not_exist.", (int)a - 1); + erts_snprintf(buff, sizeof(buff), + "Function %%T/%d does_not_exist.", + (int)a - 1); RETURN_TERM_ERROR(buff, p[1], context, *constant); } else { return retFail; @@ -4500,7 +4502,7 @@ static DMCRet dmc_fun(DMCContext *context, if (context->err_info != NULL) { /* Ugly, should define a better RETURN_TERM_ERROR interface... */ char buff[100]; - sprintf(buff, + erts_snprintf(buff, sizeof(buff), "Function %%T/%d cannot be called in this context.", (int)a - 1); RETURN_TERM_ERROR(buff, p[1], context, *constant); @@ -4764,7 +4766,7 @@ static int match_compact(ErlHeapFragment *expr, DMCErrInfo *err_info) for (j = 0; j < x && DMC_PEEK(heap,j) != n; ++j) ; ASSERT(j < x); - sprintf(buff+1,"%u", (unsigned) j); + erts_snprintf(buff+1, sizeof(buff) - 1, "%u", (unsigned) j); /* Yes, writing directly into terms, they ARE off heap */ *p = am_atom_put(buff, strlen(buff)); } diff --git a/erts/emulator/beam/erl_mtrace.c b/erts/emulator/beam/erl_mtrace.c index 358c67bf20..5a6fb8589f 100644 --- a/erts/emulator/beam/erl_mtrace.c +++ b/erts/emulator/beam/erl_mtrace.c @@ -611,7 +611,7 @@ void erts_mtrace_init(char *receiver, char *nodename) if (erts_sock_gethostname(hostname, MAXHOSTNAMELEN) != 0) hostname[0] = '\0'; hostname[MAXHOSTNAMELEN-1] = '\0'; - sys_get_pid(pid); + sys_get_pid(pid, sizeof(pid)); write_trace_header(nodename ? nodename : "", pid, hostname); erts_mtrace_update_heap_size(); } diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index c58bf40435..ddc43e621d 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -9453,7 +9453,7 @@ stack_element_dump(int to, void *to_arg, Process* p, Eterm* sp, int yreg) erts_print(to, to_arg, "\n%p ", sp); } else { char sbuf[16]; - sprintf(sbuf, "y(%d)", yreg); + erts_snprintf(sbuf, sizeof(sbuf), "y(%d)", yreg); erts_print(to, to_arg, "%-8s ", sbuf); yreg++; } diff --git a/erts/emulator/beam/erl_process_dump.c b/erts/emulator/beam/erl_process_dump.c index 964dc1ae3e..542c5ed0d9 100644 --- a/erts/emulator/beam/erl_process_dump.c +++ b/erts/emulator/beam/erl_process_dump.c @@ -323,7 +323,7 @@ heap_dump(int to, void *to_arg, Eterm x) int i; GET_DOUBLE_DATA((ptr+1), f); - i = sys_double_to_chars(f.fd, (char*) sbuf); + i = sys_double_to_chars(f.fd, (char*) sbuf, sizeof(sbuf)); sys_memset(sbuf+i, 0, 31-i); erts_print(to, to_arg, "F%X:%s\n", i, sbuf); *ptr = OUR_NIL; diff --git a/erts/emulator/beam/erl_term.c b/erts/emulator/beam/erl_term.c index f77e8b798f..bf7774f882 100644 --- a/erts/emulator/beam/erl_term.c +++ b/erts/emulator/beam/erl_term.c @@ -105,7 +105,7 @@ unsigned tag_val_def(Wterm x) break; } } - sprintf(msg, "tag_val_def: %#lx", (unsigned long) x); + erts_snprintf(msg, sizeof(msg), "tag_val_def: %#lx", (unsigned long) x); et_abort(msg, file, line); #undef file #undef line diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c index 16a987472a..ab1065aaa1 100644 --- a/erts/emulator/beam/external.c +++ b/erts/emulator/beam/external.c @@ -1850,8 +1850,8 @@ enc_term(ErtsAtomCacheMap *acmp, Eterm obj, byte* ep, Uint32 dflags, } else { *ep++ = FLOAT_EXT; - /* now the sprintf which does the work */ - i = sys_double_to_chars(f.fd, (char*) ep); + /* now the erts_snprintf which does the work */ + i = sys_double_to_chars(f.fd, (char*) ep, (size_t)31); /* Don't leave garbage after the float! (Bad practice in general, * and Purify complains.) diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index 2c65ce91d1..0e6bec352e 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -691,8 +691,8 @@ void fini_getenv_state(GETENV_STATE *); /* xxxP */ void init_sys_float(void); int sys_chars_to_double(char*, double*); -int sys_double_to_chars(double, char*); -void sys_get_pid(char *); +int sys_double_to_chars(double, char*, size_t); +void sys_get_pid(char *, size_t); /* erts_sys_putenv() returns, 0 on success and a value != 0 on failure. */ int erts_sys_putenv(char *key, char *value); diff --git a/erts/emulator/drivers/win32/registry_drv.c b/erts/emulator/drivers/win32/registry_drv.c index 1fad34e380..5b200ebd32 100644 --- a/erts/emulator/drivers/win32/registry_drv.c +++ b/erts/emulator/drivers/win32/registry_drv.c @@ -344,7 +344,7 @@ fix_value_result(RegPort* rp, LONG result, DWORD type, #ifdef DEBUG if (ok != ERROR_SUCCESS) { char buff[256]; - sprintf(buff,"Failure in registry_drv line %d, error = %d", + erts_snprintf(buff, sizeof(buff), "Failure in registry_drv line %d, error = %d", __LINE__, GetLastError()); MessageBox(NULL, buff, "Internal error", MB_OK); ASSERT(ok == ERROR_SUCCESS); diff --git a/erts/emulator/sys/unix/sys.c b/erts/emulator/sys/unix/sys.c index c1fa00b4ea..97756e8434 100644 --- a/erts/emulator/sys/unix/sys.c +++ b/erts/emulator/sys/unix/sys.c @@ -570,7 +570,7 @@ erl_sys_init(void) + 1); child_setup_prog = erts_alloc(ERTS_ALC_T_CS_PROG_PATH, csp_path_sz); erts_smp_atomic_add_nob(&sys_misc_mem_sz, csp_path_sz); - sprintf(child_setup_prog, + erts_snprintf(child_setup_prog, csp_path_sz, "%s%c%s", bindir, DIR_SEPARATOR_CHAR, @@ -1532,12 +1532,13 @@ static ErlDrvData spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* op } #if !DISABLE_VFORK } +#define ENOUGH_BYTES (44) else { /* Use vfork() */ char **cs_argv= erts_alloc(ERTS_ALC_T_TMP,(CS_ARGV_NO_OF_ARGS + 1)* sizeof(char *)); - char fd_close_range[44]; /* 44 bytes are enough to */ - char dup2_op[CS_ARGV_NO_OF_DUP2_OPS][44]; /* hold any "%d:%d" string */ - /* on a 64-bit machine. */ + char fd_close_range[ENOUGH_BYTES]; /* 44 bytes are enough to */ + char dup2_op[CS_ARGV_NO_OF_DUP2_OPS][ENOUGH_BYTES]; /* hold any "%d:%d" string */ + /* on a 64-bit machine. */ /* Setup argv[] for the child setup program (implemented in erl_child_setup.c) */ @@ -1545,23 +1546,23 @@ static ErlDrvData spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* op if (opts->use_stdio) { if (opts->read_write & DO_READ){ /* stdout for process */ - sprintf(&dup2_op[i++][0], "%d:%d", ifd[1], 1); + erts_snprintf(&dup2_op[i++][0], ENOUGH_BYTES, "%d:%d", ifd[1], 1); if(opts->redir_stderr) /* stderr for process */ - sprintf(&dup2_op[i++][0], "%d:%d", ifd[1], 2); + erts_snprintf(&dup2_op[i++][0], ENOUGH_BYTES, "%d:%d", ifd[1], 2); } if (opts->read_write & DO_WRITE) /* stdin for process */ - sprintf(&dup2_op[i++][0], "%d:%d", ofd[0], 0); + erts_snprintf(&dup2_op[i++][0], ENOUGH_BYTES, "%d:%d", ofd[0], 0); } else { /* XXX will fail if ofd[0] == 4 (unlikely..) */ if (opts->read_write & DO_READ) - sprintf(&dup2_op[i++][0], "%d:%d", ifd[1], 4); + erts_snprintf(&dup2_op[i++][0], ENOUGH_BYTES, "%d:%d", ifd[1], 4); if (opts->read_write & DO_WRITE) - sprintf(&dup2_op[i++][0], "%d:%d", ofd[0], 3); + erts_snprintf(&dup2_op[i++][0], ENOUGH_BYTES, "%d:%d", ofd[0], 3); } for (; i < CS_ARGV_NO_OF_DUP2_OPS; i++) strcpy(&dup2_op[i][0], "-"); - sprintf(fd_close_range, "%d:%d", opts->use_stdio ? 3 : 5, max_files-1); + erts_snprintf(fd_close_range, ENOUGH_BYTES, "%d:%d", opts->use_stdio ? 3 : 5, max_files-1); cs_argv[CS_ARGV_PROGNAME_IX] = child_setup_prog; cs_argv[CS_ARGV_WD_IX] = opts->wd ? opts->wd : "."; @@ -1612,6 +1613,7 @@ static ErlDrvData spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* op } erts_free(ERTS_ALC_T_TMP,cs_argv); } +#undef ENOUGH_BYTES #endif erts_sched_bind_atfork_parent(unbind); @@ -2355,10 +2357,10 @@ void erts_do_break_handling(void) ** no interpretatione of this should be done by the rest of the ** emulator. The buffer should be at least 21 bytes long. */ -void sys_get_pid(char *buffer){ +void sys_get_pid(char *buffer, size_t buffer_size){ pid_t p = getpid(); /* Assume the pid is scalar and can rest in an unsigned long... */ - sprintf(buffer,"%lu",(unsigned long) p); + erts_snprintf(buffer, buffer_size, "%lu",(unsigned long) p); } int diff --git a/erts/emulator/sys/unix/sys_float.c b/erts/emulator/sys/unix/sys_float.c index 8ec7b31ce0..3fcb4d88dc 100644 --- a/erts/emulator/sys/unix/sys_float.c +++ b/erts/emulator/sys/unix/sys_float.c @@ -745,18 +745,18 @@ void erts_sys_unblock_fpe(int unmasked) */ int -sys_double_to_chars(double fp, char *buf) +sys_double_to_chars(double fp, char *buffer, size_t buffer_size) { - char *s = buf; + char *s = buffer; - (void) sprintf(buf, "%.20e", fp); + (void) erts_snprintf(buffer, buffer_size, "%.20e", fp); /* Search upto decimal point */ if (*s == '+' || *s == '-') s++; while (ISDIGIT(*s)) s++; if (*s == ',') *s++ = '.'; /* Replace ',' with '.' */ /* Scan to end of string */ while (*s) s++; - return s-buf; /* i.e strlen(buf) */ + return s-buffer; /* i.e strlen(buffer) */ } /* Float conversion */ diff --git a/erts/emulator/sys/win32/sys.c b/erts/emulator/sys/win32/sys.c index c4e748ed3c..6c69fecbf3 100755 --- a/erts/emulator/sys/win32/sys.c +++ b/erts/emulator/sys/win32/sys.c @@ -2835,10 +2835,10 @@ static void stop_select(ErlDrvEvent e, void* _) ** no interpretation of this should be done by the rest of the ** emulator. The buffer should be at least 21 bytes long. */ -void sys_get_pid(char *buffer){ +void sys_get_pid(char *buffer, size_t buffer_size){ DWORD p = GetCurrentProcessId(); /* The pid is scalar and is an unsigned long. */ - sprintf(buffer,"%lu",(unsigned long) p); + erts_snprintf(buffer, buffer_size, "%lu",(unsigned long) p); } void @@ -3178,7 +3178,8 @@ erl_assert_error(char* expr, char* file, int line) { char message[1024]; - sprintf(message, "File %hs, line %d: %hs", file, line, expr); + erts_snprintf(message, sizeof(message), + "File %hs, line %d: %hs", file, line, expr); MessageBox(GetActiveWindow(), message, "Assertion failed", MB_OK | MB_ICONERROR); #if 0 diff --git a/erts/emulator/sys/win32/sys_float.c b/erts/emulator/sys/win32/sys_float.c index 6558ad2d99..09dad89140 100644 --- a/erts/emulator/sys/win32/sys_float.c +++ b/erts/emulator/sys/win32/sys_float.c @@ -118,18 +118,18 @@ sys_chars_to_double(char *buf, double *fp) */ int -sys_double_to_chars(double fp, char *buf) +sys_double_to_chars(double fp, char *buffer, size_t buffer_size) { - char *s = buf; + char *s = buffer; - (void) sprintf(buf, "%.20e", fp); + (void) erts_snprintf(buffer, buffer_size, "%.20e", fp); /* Search upto decimal point */ if (*s == '+' || *s == '-') s++; while (isdigit(*s)) s++; if (*s == ',') *s++ = '.'; /* Replace ',' with '.' */ /* Scan to end of string */ while (*s) s++; - return s-buf; /* i.e strlen(buf) */ + return s-buffer; /* i.e strlen(buffer) */ } int |