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authorMattias Andrée <maandree@kth.se>2017-01-14 04:40:03 +0100
committerMattias Andrée <maandree@kth.se>2017-01-14 04:40:03 +0100
commita2dfbb3368ce0e998f774dd294383772651d1302 (patch)
tree094dbc3206297d3b3b0d090daff426ce66ea45f7 /src/blind-from-image.c
parentRename to blind (diff)
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Fix errors, blind-{to,from}-{video,image} works
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src/blind-from-image.c')
-rw-r--r--src/blind-from-image.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/src/blind-from-image.c b/src/blind-from-image.c
index 9c2d047..7040038 100644
--- a/src/blind-from-image.c
+++ b/src/blind-from-image.c
@@ -97,10 +97,16 @@ static size_t
pam_head(int fd, const char *fname)
{
size_t ptr;
+ ssize_t r;
char *p;
unsigned long long int maxval = UINT8_MAX;
for (ptr = 0;;) {
- ptr += ereadall(fd, buf + ptr, (size_t)buf - ptr, fname);
+ r = read(fd, buf + ptr, sizeof(buf) - 1);
+ if (r < 0)
+ eprintf("read %s:", fname);
+ if (r == 0)
+ eprintf("%s\n", conv_fail_msg);
+ ptr += (size_t)r;
for (;;) {
p = memchr(buf, '\n', ptr);
if (!p) {
@@ -148,13 +154,13 @@ pam_head(int fd, const char *fname)
}
}
header_done:
- if (maxval < (size_t)UINT8_MAX) {
+ if (maxval <= (size_t)UINT8_MAX) {
pixel_size = sizeof(uint8_t);
get_value = get_value_u8;
- } else if (maxval < (size_t)UINT16_MAX) {
+ } else if (maxval <= (size_t)UINT16_MAX) {
pixel_size = sizeof(uint16_t);
get_value = get_value_u16;
- } else if (maxval < (size_t)UINT32_MAX) {
+ } else if (maxval <= (size_t)UINT32_MAX) {
pixel_size = sizeof(uint32_t);
get_value = get_value_u32;
} else {
@@ -176,7 +182,6 @@ main(int argc, char *argv[])
size_t off, n;
ssize_t r;
const char *file = "<subprocess>";
- const char *conv_fail_msg = "convertion failed, if converting a farbfeld file, try -f";
ARGBEGIN {
case 'f':
@@ -202,7 +207,7 @@ main(int argc, char *argv[])
else
forked = 1;
- if (forked) {
+ if (!forked) {
file = "<stdin>";
pipe_rw[0] = STDIN_FILENO;
goto after_fork;