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rotozoom: Make init_demo() return int and check for errors on invocation.

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This commit is contained in:
Diego Biurrun
2011-05-09 12:33:45 +02:00
parent 5a37c12c82
commit 2131e8590c
1 changed files with 6 additions and 3 deletions
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9
tests/rotozoom.c
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@@ -234,7 +234,7 @@ static void gen_image(int num, int w, int h)
#define W 256 #define W 256
#define H 256 #define H 256
static void init_demo(const char *filename) static int init_demo(const char *filename)
{ {
int i, j; int i, j;
int h; int h;
@@ -246,7 +246,7 @@ static void init_demo(const char *filename)
fichier = fopen(filename, "rb"); fichier = fopen(filename, "rb");
if (!fichier) { if (!fichier) {
perror(filename); perror(filename);
exit(1); return 1;
} }
fread(line, 1, 15, fichier); fread(line, 1, 15, fichier);
@@ -267,6 +267,8 @@ static void init_demo(const char *filename)
h_cos[i] = h * int_sin(radian + MY_PI / 2) / 2 / FIXP; h_cos[i] = h * int_sin(radian + MY_PI / 2) / 2 / FIXP;
h_sin[i] = h * int_sin(radian) / 2 / FIXP; h_sin[i] = h * int_sin(radian) / 2 / FIXP;
} }
return 0;
} }
int main(int argc, char **argv) int main(int argc, char **argv)
@@ -288,7 +290,8 @@ int main(int argc, char **argv)
width = w; width = w;
height = h; height = h;
init_demo(argv[2]); if (init_demo(argv[2]))
return 1;
for (i = 0; i < DEFAULT_NB_PICT; i++) { for (i = 0; i < DEFAULT_NB_PICT; i++) {
snprintf(buf, sizeof(buf), "%s%02d.pgm", argv[1], i); snprintf(buf, sizeof(buf), "%s%02d.pgm", argv[1], i);