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Rewrite tools/scan_includes.c to use common.h and factor out a parse_args function

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This commit is contained in:
Rangi
2021-09-02 01:21:15 -04:00
parent 313deab552
commit 0d1a029e81
4 changed files with 74 additions and 103 deletions
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3
tools/png_dimensions.c
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@@ -1,7 +1,7 @@
#include "common.h"
void usage() {
fprintf(stderr, "Usage: png_dimensions in.png out.dimensions\n");
fputs("Usage: png_dimensions in.png out.dimensions\n", stderr);
}
uint8_t read_dimensions(const char *filename) {
@@ -19,6 +19,7 @@ int main(int argc, char *argv[]) {
usage();
exit(1);
}
uint8_t output_byte = read_dimensions(argv[1]);
write_u8(argv[2], &output_byte, 1);
return 0;