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ident: add NO_GECOS_IN_PWENT for systems without pw_gecos in struct passwd

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Allow NO_GECOS_IN_PWENT to be defined in the Makefile for platforms that
lack the pw_gecos field in their "struct passwd", in which case the
uppercased user name is used instead via the standard '&' replacement
mechanism.

Signed-off-by: Rafael Gieschke <rafael@gieschke.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Rafael Gieschke 2011-05-19 13:37:55 +02:00 committed by Junio C Hamano
parent c0336ff27a
commit 590e081dea
2 changed files with 10 additions and 1 deletions
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3
Makefile
View File

@ -59,6 +59,9 @@ all::
#
# Define NO_MKSTEMPS if you don't have mkstemps in the C library.
#
# Define NO_GECOS_IN_PWENT if you don't have pw_gecos in struct passwd
# in the C library.
#
# Define NO_LIBGEN_H if you don't have libgen.h.
#
# Define NEEDS_LIBGEN if your libgen needs -lgen when linking

8
ident.c
View File

@ -9,6 +9,12 @@
static char git_default_date[50];
#ifdef NO_GECOS_IN_PWENT
#define get_gecos(ignored) "&"
#else
#define get_gecos(struct_passwd) ((struct_passwd)->pw_gecos)
#endif
static void copy_gecos(const struct passwd *w, char *name, size_t sz)
{
char *src, *dst;
@ -20,7 +26,7 @@ static void copy_gecos(const struct passwd *w, char *name, size_t sz)
* with commas. Also & stands for capitalized form of the login name.
*/
for (len = 0, dst = name, src = w->pw_gecos; len < sz; src++) {
for (len = 0, dst = name, src = get_gecos(w); len < sz; src++) {
int ch = *src;
if (ch != '&') {
*dst++ = ch;