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#ifdef _MSC_VER
# define _CRT_SECURE_NO_WARNINGS
#endif
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <limits.h>
#ifndef PATH_MAX
# define PATH_MAX 260
#endif
#define SEARCH_PATHS_MAX 64
#define FILE_PATHS_MAX 1024
static int fline(char **line, size_t *n, FILE *fp) {
int chr;
char *pos;
if (!line || !n || !fp)
return -1;
if (!*line)
if (!(*line = (char *)malloc((*n=64))))
return -1;
chr = *n;
pos = *line;
for (;;) {
int c = fgetc(fp);
if (chr < 2) {
*n += (*n > 16) ? *n : 64;
chr = *n + *line - pos;
if (!(*line = (char *)realloc(*line,*n)))
return -1;
pos = *n - chr + *line;
}
if (ferror(fp))
return -1;
if (c == EOF) {
if (pos == *line)
return -1;
else
break;
}
*pos++ = c;
chr--;
if (c == '\n')
break;
}
*pos = '\0';
return pos - *line;
}
static FILE *open_file(const char *name, const char *mode, const char (*searches)[PATH_MAX], int count) {
int i;
for (i = 0; i < count; i++) {
char buffer[FILENAME_MAX + PATH_MAX];
FILE *fp;
#ifndef _MSC_VER
snprintf(buffer, sizeof(buffer), "%s/%s", searches[i], name);
#else
_snprintf(buffer, sizeof(buffer), "%s/%s", searches[i], name);
#endif
if ((fp = fopen(buffer, mode)))
return fp;
}
return !count ? fopen(name, mode) : NULL;
}
static int strcicmp(const char *s1, const char *s2) {
const unsigned char *us1 = (const unsigned char *)s1,
*us2 = (const unsigned char *)s2;
while (tolower(*us1) == tolower(*us2)) {
if (*us1++ == '\0')
return 0;
us2++;
}
return tolower(*us1) - tolower(*us2);
}
/* styles */
enum { kCamel, kSnake };
/* identifiers */
enum { kData, kEnd, kSize };
static const char *styled(int style, int ident) {
switch (style) {
case kCamel:
switch (ident) {
case kData: return "Data";
case kEnd: return "End";
case kSize: return "Size";
}
break;
case kSnake:
switch (ident) {
case kData: return "_data";
case kEnd: return "_end";
case kSize: return "_size";
}
break;
}
}
int main(int argc, char **argv) {
int ret, i, paths, files = 0, style = kCamel;
char outfile[FILENAME_MAX] = "data.c";
char search_paths[SEARCH_PATHS_MAX][PATH_MAX];
char prefix[FILENAME_MAX] = "g";
char file_paths[FILE_PATHS_MAX][PATH_MAX];
FILE *out = NULL;
argc--;
argv++;
#define s(IDENT) styled(style, IDENT)
if (argc == 0) {
usage:
fprintf(stderr, "%s [-help] [-Ipath...] | <files> | [-o output] | [-p prefix]\n", argv[-1]);
fprintf(stderr, " -o - output file [default is \"data.c\"]\n");
fprintf(stderr, " -p - specify a prefix for symbol names (default is \"g\")\n");
fprintf(stderr, " -S<style> - specify a style for symbol generation (default is \"camelcase\")\n");
fprintf(stderr, " -I<path> - specify an include path for the tool to use\n");
fprintf(stderr, " -help - this\n");
fprintf(stderr, "example:\n");
fprintf(stderr, " %s icon.png music.mp3 -o file.c\n", argv[-1]);
fprintf(stderr, "styles (for -S):\n");
fprintf(stderr, " camelcase\n");
fprintf(stderr, " snakecase\n");
return 1;
}
for (i = 0, paths = 0; i < argc; i++) {
if (!strcmp(argv[i], "-o")) {
if (i + 1 < argc) {
strcpy(outfile, argv[i + 1]);
memmove(argv+i+1, argv+i+2, (argc-i-2) * sizeof *argv);
argc--;
continue;
}
} else if (!strcmp(argv[i], "-p")) {
/* supports "-p" with no prefix as well as
* "-p -" which is another way of saying "no prefix"
* and "-p <prefix>" for an actual prefix.
*/
if (argv[i+1][0] == '-') {
prefix[0] = '\0';
/* is it just a -? */
if (i + 1 < argc && !strcmp(argv[i+1], "-")) {
memmove(argv+i+1, argv+i+2, (argc-i-2) * sizeof *argv);
argc--;
}
continue;
}
strcpy(prefix, argv[i + 1]);
memmove(argv+i+1, argv+i+2, (argc-i-2) * sizeof *argv);
argc--;
continue;
} else if (!strncmp(argv[i], "-I", 2)) {
char *name = argv[i] + 2; /* skip "-I"; */
if (paths >= SEARCH_PATHS_MAX) {
fprintf(stderr, "maximum search paths exceeded\n");
return 1;
}
strcpy(search_paths[paths++], name);
continue;
} else if (!strncmp(argv[i], "-S", 2)) {
char *name = argv[i] + 2; /* skip "-S"; */
if (!strcicmp(name, "camel") || !strcicmp(name, "camelcase"))
style = kCamel;
else if (!strcicmp(name, "snake") || !strcicmp(name, "snakecase"))
style = kSnake;
else
goto usage;
continue;
} else if (!strcmp(argv[i], "-help")) {
goto usage;
} else {
if (files >= sizeof file_paths / sizeof *file_paths) {
fprintf(stderr, "maximum file paths exceeded\n");
return 1;
}
strcpy(file_paths[files++], argv[i]);
}
}
if (!(out = fopen(outfile, "w"))) {
fprintf(stderr, "failed to open `%s' for output\n", outfile);
return 1;
}
fprintf(out, "/* File automatically generated by incbin */\n");
/* Be sure to define the prefix if we're not using the default */
if (strcmp(prefix, "g"))
fprintf(out, "#define INCBIN_PREFIX %s\n", prefix);
if (style != 0)
fprintf(out, "#define INCBIN_STYLE INCBIN_STYLE_SNAKE\n");
fprintf(out, "#include \"incbin.h\"\n\n");
fprintf(out, "#ifdef __cplusplus\n");
fprintf(out, "extern \"C\" {\n");
fprintf(out, "#endif\n\n");
for (i = 0; i < files; i++) {
FILE *fp = open_file(file_paths[i], "r", search_paths, paths);
char *line = NULL;
size_t size = 0;
if (!fp) {
fprintf(stderr, "failed to open `%s' for reading\n", file_paths[i]);
fclose(out);
return 1;
}
while (fline(&line, &size, fp) != -1) {
char *inc, *beg, *sep, *end, *name, *file;
FILE *f;
if (!(inc = strstr(line, "INCBIN"))) continue;
if (!(beg = strchr(inc, '('))) continue;
if (!(sep = strchr(beg, ','))) continue;
if (!(end = strchr(sep, ')'))) continue;
name = beg + 1;
file = sep + 1;
while (isspace(*name)) name++;
while (isspace(*file)) file++;
sep--;
while (isspace(*sep)) sep--;
*++sep = '\0';
end--;
while (isspace(*end)) end--;
*++end = '\0';
fprintf(out, "/* INCBIN(%s, %s); */\n", name, file);
fprintf(out, "INCBIN_CONST INCBIN_ALIGN unsigned char %s%s%s[] = {\n ", prefix, name, s(kData));
*--end = '\0';
file++;
if (!(f = open_file(file, "rb", search_paths, paths))) {
fprintf(stderr, "failed to include data `%s'\n", file);
goto end;
} else {
long size, i;
unsigned char *data, count = 0;
fseek(f, 0, SEEK_END);
size = ftell(f);
fseek(f, 0, SEEK_SET);
if (!(data = (unsigned char *)malloc(size))) {
fprintf(stderr, "out of memory\n");
fclose(f);
ret = 1;
goto end;
}
if (fread(data, size, 1, f) != 1) {
fprintf(stderr, "failed reading include data `%s'\n", file);
free(data);
fclose(f);
ret = 1;
goto end;
}
for (i = 0; i < size; i++) {
if (count == 12) {
fprintf(out, "\n ");
count = 0;
}
fprintf(out, i != size - 1 ? "0x%02X, " : "0x%02X", data[i]);
count++;
}
free(data);
fclose(f);
}
fprintf(out, "\n};\n");
fprintf(out, "INCBIN_CONST INCBIN_ALIGN unsigned char *const %s%s%s = %s%s%s + sizeof(%s%s%s);\n", prefix, name, s(kEnd), prefix, name, s(kData), prefix, name, s(kData));
fprintf(out, "INCBIN_CONST unsigned int %s%s%s = sizeof(%s%s%s);\n", prefix, name, s(kSize), prefix, name, s(kData));
}
end:
free(line);
fclose(fp);
printf("included `%s'\n", file_paths[i]);
}
if (ret == 0) {
fprintf(out, "\n#ifdef __cplusplus\n");
fprintf(out, "}\n");
fprintf(out, "#endif\n");
fclose(out);
printf("generated `%s'\n", outfile);
return 0;
}
fclose(out);
remove(outfile);
return 1;
}
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