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read/write files, not stdio (Daniel Borca)
author
Brian Paul
<brian.paul@tungstengraphics.com>
Tue, 4 Feb 2003 12:34:02 +0000
(12:34 +0000)
committer
Brian Paul
<brian.paul@tungstengraphics.com>
Tue, 4 Feb 2003 12:34:02 +0000
(12:34 +0000)
progs/samples/rgbtoppm.c
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diff --git
a/progs/samples/rgbtoppm.c
b/progs/samples/rgbtoppm.c
index 0bc73487b0d3aa142bf8894de5b6a8c282f5855e..116d9a8cfa5b64eb825a4d4c3e603f4101f7affd 100644
(file)
--- a/
progs/samples/rgbtoppm.c
+++ b/
progs/samples/rgbtoppm.c
@@
-256,18
+256,30
@@
int main(int argc, char **argv)
{
int width, height;
GLubyte *data;
{
int width, height;
GLubyte *data;
+ char buff[32];
+ int n;
+ FILE *fo;
- if (argc !=
2
)
+ if (argc !=
3
)
{
{
- fprintf(stderr, "usage: %s <
filename
>\n", argv[0]);
+ fprintf(stderr, "usage: %s <
infile.rgb> <outfile.p6
>\n", argv[0]);
return 1;
}
data = read_rgb_texture(argv[1], &width, &height);
return 1;
}
data = read_rgb_texture(argv[1], &width, &height);
- printf("P6\n%d %d\n255\n", width, height);
- fwrite(data, width * 3, height, stdout);
+ n = sprintf(buff, "P6\n%d %d\n255\n", width, height);
+
+ /* [dBorca] avoid LF to CRLF conversion */
+ if ((fo = fopen(argv[2], "wb")) == NULL) {
+ fprintf(stderr, "Cannot open output file!\n");
+ exit(1);
+ }
+
+ fwrite(buff, n, 1, fo);
+ fwrite(data, width * 3, height, fo);
+
+ fclose(fo);
return 0;
}
return 0;
}
-