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Suppress warnings by gcc 9.1

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This commit is contained in:
Nobuyoshi Nakada 2019-06-08 19:46:32 +09:00
parent 27a59ca2c8
commit 1ca03dc4f7
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GPG Key ID: 4BC7D6DF58D8DF60
3 changed files with 8 additions and 7 deletions
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6
addr2line.c
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@ -1907,7 +1907,7 @@ fill_lines(int num_traces, void **traces, int check_debuglink,
uint32_t offset = __builtin_bswap32(arch->offset); uint32_t offset = __builtin_bswap32(arch->offset);
/* fprintf(stderr,"%d: fat %d %x/%x %x/%x\n",__LINE__, i, mhp->cputype,mhp->cpusubtype, cputype,cpusubtype); */ /* fprintf(stderr,"%d: fat %d %x/%x %x/%x\n",__LINE__, i, mhp->cputype,mhp->cpusubtype, cputype,cpusubtype); */
if (mhp->cputype == cputype && if (mhp->cputype == cputype &&
(mhp->cpusubtype & ~CPU_SUBTYPE_MASK) == cpusubtype) { (cpu_subtype_t)(mhp->cpusubtype & ~CPU_SUBTYPE_MASK) == cpusubtype) {
p = file + offset; p = file + offset;
file = p; file = p;
header = (struct LP(mach_header) *)p; header = (struct LP(mach_header) *)p;
@ -1980,9 +1980,9 @@ found_mach_header:
{ {
struct symtab_command *cmd = (struct symtab_command *)lcmd; struct symtab_command *cmd = (struct symtab_command *)lcmd;
struct LP(nlist) *nl = (struct LP(nlist) *)(file + cmd->symoff); struct LP(nlist) *nl = (struct LP(nlist) *)(file + cmd->symoff);
char *strtab = file + cmd->stroff, *sname; char *strtab = file + cmd->stroff, *sname = 0;
uint32_t j; uint32_t j;
uintptr_t saddr; uintptr_t saddr = 0;
/* kprintf("[%2d]: %x/symtab %p\n", i, cmd->cmd, p); */ /* kprintf("[%2d]: %x/symtab %p\n", i, cmd->cmd, p); */
for (j = 0; j < cmd->nsyms; j++) { for (j = 0; j < cmd->nsyms; j++) {
uintptr_t symsize, d; uintptr_t symsize, d;

7
io.c
View File

@ -10972,6 +10972,7 @@ static int
nogvl_fcopyfile(struct copy_stream_struct *stp) nogvl_fcopyfile(struct copy_stream_struct *stp)
{ {
off_t cur, ss = 0; off_t cur, ss = 0;
const off_t src_offset = stp->src_offset;
int ret; int ret;
if (stp->copy_length >= (off_t)0) { if (stp->copy_length >= (off_t)0) {
@ -10987,7 +10988,7 @@ nogvl_fcopyfile(struct copy_stream_struct *stp)
if (lseek(stp->dst_fd, 0, SEEK_CUR) > (off_t)0) /* if dst IO was already written */ if (lseek(stp->dst_fd, 0, SEEK_CUR) > (off_t)0) /* if dst IO was already written */
return 0; return 0;
if (stp->src_offset > (off_t)0) { if (src_offset > (off_t)0) {
off_t r; off_t r;
/* get current offset */ /* get current offset */
@ -10999,7 +11000,7 @@ nogvl_fcopyfile(struct copy_stream_struct *stp)
} }
errno = 0; errno = 0;
r = lseek(stp->src_fd, stp->src_offset, SEEK_SET); r = lseek(stp->src_fd, src_offset, SEEK_SET);
if (r < (off_t)0 && errno) { if (r < (off_t)0 && errno) {
stp->error_no = errno; stp->error_no = errno;
return 1; return 1;
@ -11012,7 +11013,7 @@ nogvl_fcopyfile(struct copy_stream_struct *stp)
if (ret == 0) { /* success */ if (ret == 0) { /* success */
stp->total = ss; stp->total = ss;
if (stp->src_offset > (off_t)0) { if (src_offset > (off_t)0) {
off_t r; off_t r;
errno = 0; errno = 0;
/* reset offset */ /* reset offset */

2
vm_trace.c
View File

@ -418,7 +418,7 @@ VALUE
rb_suppress_tracing(VALUE (*func)(VALUE), VALUE arg) rb_suppress_tracing(VALUE (*func)(VALUE), VALUE arg)
{ {
volatile int raised; volatile int raised;
VALUE result = Qnil; volatile VALUE result = Qnil;
rb_execution_context_t *const ec = GET_EC(); rb_execution_context_t *const ec = GET_EC();
rb_vm_t *const vm = rb_ec_vm_ptr(ec); rb_vm_t *const vm = rb_ec_vm_ptr(ec);
enum ruby_tag_type state; enum ruby_tag_type state;