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authorRich Felker <dalias@aerifal.cx>2013-05-18 10:20:42 -0400
committerRich Felker <dalias@aerifal.cx>2013-05-18 10:20:42 -0400
commit69ee9b2cb169ee843ac9e209f919d088499152f7 (patch)
tree99ed9ef7fb0b925084db87dc9f740fa6c866c28a /src/legacy
parent22730d65608db06500cc6e0be4aaec03238f996b (diff)
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make err.h functions print __progname
patch by Strake. previously is was not feasible to duplicate this functionality of the functions these were modeled on, since argv[0] was not saved at program startup, but now that it's available it's easy to use.
Diffstat (limited to 'src/legacy')
-rw-r--r--src/legacy/err.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/legacy/err.c b/src/legacy/err.c
index 0f748538..7b167b36 100644
--- a/src/legacy/err.c
+++ b/src/legacy/err.c
@@ -3,14 +3,18 @@
#include <stdarg.h>
#include <stdlib.h>
+extern char *__progname;
+
void vwarn(const char *fmt, va_list ap)
{
+ fprintf (stderr, "%s: ", __progname);
if (fmt) vfprintf(stderr, fmt, ap);
perror("");
}
void vwarnx(const char *fmt, va_list ap)
{
+ fprintf (stderr, "%s: ", __progname);
if (fmt) vfprintf(stderr, fmt, ap);
putc('\n', stderr);
}