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MDate: Make time_t, not long. (#206)

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MDate, generated into `vdate.c` from `mkvdate.c`, was being
stored as a `long` rather than a `time_t`. This led to some
casts, but also a bit of platform #ifdef'd code.

This makes that go away by storing it as the `time_t` value
that it really is.

Also, update some comments and minor nits.
This commit is contained in:
Bruce Mitchener
2021-01-11 09:44:31 +07:00
committed by GitHub
parent 19033bba89
commit 9ba7e78625
3 changed files with 18 additions and 13 deletions
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19
src/mkvdate.c
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@@ -19,8 +19,11 @@
/* InterfacePage->rversion. The version number is the number */
/* of whole days since 12:00 13-Oct-87 (Takeshi's birthday). */
/* */
/* This program prints a single line: */
/* long MDate = <the version number> */
/* This program prints a single line, with seconds since Unix */
/* epoch, which is converted to days since Takeshi's birthday in */
/* initsout.c: */
/* */
/* time_t MDate = <the version number> */
/* */
/* That output is redirected to create the file vdate.c, which */
/* is then compiled as part of the emulator MAKE. */
@@ -39,7 +42,7 @@
int main(void) {
long dtime;
time(&dtime);
fprintf(stderr, "Mdate :%ld\n", dtime);
fprintf(stderr, "MDate: %ld\n", dtime);
printf("long MDate= %ld;\n", dtime);
return (0);
}
@@ -48,11 +51,17 @@ int main(void) {
int main(void) {
struct timeval time;
/* On some Unix platforms, time_t is an int and on
* others, it is a long. We'll store it as a time_t,
* but print it as a long so that we can avoid format
* warnings about differing sized types.
*/
gettimeofday(&time, NULL);
fprintf(stderr, "Mdate :%ld\n", (long)time.tv_sec);
fprintf(stderr, "MDate: %ld\n", (long)time.tv_sec);
fprintf(stderr, "Version: %s\n", ctime(&time.tv_sec));
printf("long MDate= %ld;\n", (long)time.tv_sec);
printf("#include <time.h>\n");
printf("time_t MDate= %ld;\n", (long)time.tv_sec);
return (0);
}