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bmptologo: fix gcc warning

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黄涛
2012-08-17 19:17:19 +08:00
parent f22b396074
commit f962867a8f
1 changed files with 10 additions and 54 deletions
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64
scripts/bmptologo.c
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@@ -104,69 +104,25 @@ static unsigned long logo_height;
static unsigned long data_long;
static unsigned long data_start;
static unsigned char *logo_data;
static struct color logo_clut[MAX_LINUX_LOGO_COLORS];
static unsigned int logo_clutsize;
static void die(const char *fmt, ...)
__attribute__ ((noreturn)) __attribute ((format (printf, 1, 2)));
static void usage(void) __attribute ((noreturn));
static unsigned int get_number(FILE *fp)
{
int c, val;
/* Skip leading whitespace */
do {
c = fgetc(fp);
if (c == EOF)
die("%s: end of file\n", filename);
if (c == '#') {
/* Ignore comments 'till end of line */
do {
c = fgetc(fp);
if (c == EOF)
die("%s: end of file\n", filename);
} while (c != '\n');
}
} while (isspace(c));
/* Parse decimal number */
val = 0;
while (isdigit(c)) {
val = 10*val+c-'0';
c = fgetc(fp);
if (c == EOF)
die("%s: end of file\n", filename);
}
return val;
}
static unsigned int get_number255(FILE *fp, unsigned int maxval)
{
unsigned int val = get_number(fp);
return (255*val+maxval/2)/maxval;
}
static void read_image(void)
{
FILE *fp;
unsigned long i;
int fd;
struct stat s;
char j = 0;
int magic;
unsigned int maxval;
char read_buf[0x28];
long ret = 0;
unsigned char *data;
/* open image file */
fp = open(filename, O_RDONLY);
if (!fp)
fd = open(filename, O_RDONLY);
if (fd < 0)
die("Cannot open file isll.. %s: %s\n", filename, strerror(errno));
if (fstat(fp, &s) < 0) {
die("Cannot stat file isll.. %s: %s\n", filename, strerror(errno));
}
if (fstat(fd, &s) < 0)
die("Cannot stat file isll.. %s: %s\n", filename, strerror(errno));
#if 0
ret = fread(read_buf,1,0x26,fp);
if (ret != 0x26)
@@ -195,9 +151,9 @@ static void read_image(void)
if (ret != data_long)
die("read file %s: error logo_data=%ld\n", filename,ret);
#else
data = mmap(0, s.st_size, PROT_READ, MAP_SHARED, fp, 0);
if (data == MAP_FAILED)
die("read file %s: error logo_data\n", filename);
data = mmap(0, s.st_size, PROT_READ, MAP_SHARED, fd, 0);
if (data == MAP_FAILED)
die("read file %s: error logo_data\n", filename);
logo_data = data + 54;
logo_height = (data[0x19]<<24) + (data[0x18]<<16) +(data[0x17]<<8) +(data[0x16]);
logo_width = (data[0x15]<<24) + (data[0x14]<<16) +(data[0x13]<<8) +(data[0x12]);
@@ -218,7 +174,7 @@ static void read_image(void)
logo_data[9],logo_data[10],logo_data[11]);
#endif
/* close file */
close(fp);
close(fd);
}