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-rw-r--r--erts/emulator/sys/unix/sys.c26
-rw-r--r--erts/emulator/sys/unix/sys_float.c8
-rwxr-xr-xerts/emulator/sys/win32/sys.c7
-rw-r--r--erts/emulator/sys/win32/sys_float.c8
4 files changed, 26 insertions, 23 deletions
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
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 17:07:57 +0000