1
0
mirror of https://github.com/SuperBFG7/ympd synced 2024-12-29 04:10:43 +00:00
ympd/htdocs/mkdata.c
2014-03-08 20:32:54 +01:00

95 lines
2.4 KiB
C

/* This program is used to embed arbitrary data into a C binary. It takes
* a list of files as an input, and produces a .c data file that contains
* contents of all these files as collection of char arrays.
*
* Usage: ./mkdata <this_file> <file1> [file2, ...] > embedded_data.c
*/
#include <stdlib.h>
#include <stdio.h>
#include <error.h>
#include <errno.h>
#include <string.h>
const char* header =
"#include <stddef.h>\n"
"#include <string.h>\n"
"#include <sys/types.h>\n"
"#include \"src/http_server.h\"\n"
"\n"
"static const struct embedded_file embedded_files[] = {\n";
const char* footer =
" {NULL, NULL, NULL, 0}\n"
"};\n"
"\n"
"const struct embedded_file *find_embedded_file(const char *name) {\n"
" const struct embedded_file *p;\n"
" for (p = embedded_files; p->name != NULL; p++)\n"
" if (!strcmp(p->name, name))\n"
" return p;\n"
" return NULL;\n"
"}\n";
static const char* get_mime(char* filename)
{
const char *extension = strrchr(filename, '.');
if(!strcmp(extension, ".js"))
return "application/javascript";
if(!strcmp(extension, ".css"))
return "text/css";
if(!strcmp(extension, ".ico"))
return "image/vnd.microsoft.icon";
if(!strcmp(extension, ".woff"))
return "application/font-woff";
if(!strcmp(extension, ".ttf"))
return "application/x-font-ttf";
if(!strcmp(extension, ".eot"))
return "application/octet-stream";
if(!strcmp(extension, ".svg"))
return "image/svg+xml";
if(!strcmp(extension, ".html"))
return "text/html";
return "text/plain";
}
int main(int argc, char *argv[])
{
int i, j, buf;
FILE *fd;
if(argc <= 1)
error(EXIT_FAILURE, 0, "Usage: ./%s <this_file> <file1> [file2, ...] > embedded_data.c", argv[0]);
for(i = 1; i < argc; i++)
{
printf("static const unsigned char v%d[] = {", i);
fd = fopen(argv[i], "r");
if(!fd)
error(EXIT_FAILURE, errno, "Failed open file %s", argv[i]);
j = 0;
while((buf = fgetc(fd)) != EOF)
{
if(!(j % 12))
putchar('\n');
printf(" %#04x, ", buf);
j++;
}
printf(" 0x00\n};\n\n");
fclose(fd);
}
fputs(header, stdout);
for(i = 1; i < argc; i++)
{
printf(" {\"%s\", v%d, \"%s\", sizeof(v%d) - 1}, \n",
argv[i]+6, i, get_mime(argv[i]), i);
}
fputs(footer, stdout);
return EXIT_SUCCESS;
}