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Improve error and warning output

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Improve error messages generated by `errx()`, `warnx()` and similar.

Set `progname` to a static string with the name of the program so that
the path of the binary isn't included in error messages.

Signed-off-by: AntonioND <antonio_nd@outlook.com>
This commit is contained in:
AntonioND
2017-04-03 21:16:00 +01:00
parent e4b4e427f1
commit 25be5c6561
5 changed files with 24 additions and 10 deletions
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26
src/extern/err.c vendored
View File

@@ -30,30 +30,44 @@ extern char *progname;
void rgbds_vwarn(const char *fmt, va_list ap)
{
fprintf (stderr, "%s: ", progname);
fprintf (stderr, "%s:warning", progname);
if (fmt) {
fputs (":", stderr);
vfprintf(stderr, fmt, ap);
fputs (": ", stderr);
}
putc('\n', stderr);
perror(0);
}
void rgbds_vwarnx(const char *fmt, va_list ap)
{
fprintf (stderr, "%s: ", progname);
if (fmt) vfprintf(stderr, fmt, ap);
fprintf (stderr, "%s:warning", progname);
if (fmt) {
fputs (":", stderr);
vfprintf(stderr, fmt, ap);
}
putc('\n', stderr);
}
noreturn void rgbds_verr(int status, const char *fmt, va_list ap)
{
vwarn(fmt, ap);
fprintf (stderr, "%s:error", progname);
if (fmt) {
fputs (":", stderr);
vfprintf(stderr, fmt, ap);
}
putc('\n', stderr);
exit(status);
}
noreturn void rgbds_verrx(int status, const char *fmt, va_list ap)
{
vwarnx(fmt, ap);
fprintf (stderr, "%s:error", progname);
if (fmt) {
fputs (":", stderr);
vfprintf(stderr, fmt, ap);
}
putc('\n', stderr);
exit(status);
}