From e9bacb4f6a6f0aae7270acb257977f9ee0bbd6db Mon Sep 17 00:00:00 2001 From: Junio C Hamano Date: Mon, 19 Sep 2005 16:06:56 -0700 Subject: [PATCH] Use GECOS field a bit better to produce default human readable name. This updates the default human readable name we generate from GECOS field. We assume the "full-name, followed by additional information separated by commas" format, with an & expanding to the capitalized login name. Signed-off-by: Junio C Hamano --- ident.c | 39 +++++++++++++++++++++++++++++++++++---- 1 file changed, 35 insertions(+), 4 deletions(-) diff --git a/ident.c b/ident.c index a2d241fb..562f5f18 100644 --- a/ident.c +++ b/ident.c @@ -15,6 +15,40 @@ static char real_email[1000]; static char real_name[1000]; static char real_date[50]; +static void copy_gecos(struct passwd *w, char *name, int sz) +{ + char *src, *dst; + int len, nlen; + + nlen = strlen(w->pw_name); + + /* Traditionally GECOS field had office phone numbers etc, separated + * with commas. Also & stands for capitalized form of the login name. + */ + + for (len = 0, dst = name, src = w->pw_gecos; len < sz; src++) { + int ch = *src; + if (ch != '&') { + *dst++ = ch; + if (ch == 0 || ch == ',') + break; + len++; + continue; + } + if (len + nlen < sz) { + /* Sorry, Mr. McDonald... */ + *dst++ = toupper(*w->pw_name); + memcpy(dst, w->pw_name + 1, nlen - 1); + dst += nlen - 1; + } + } + if (len < sz) + name[len] = 0; + else + die("Your parents must have hated you!"); + +} + int setup_ident(void) { int len; @@ -24,10 +58,7 @@ int setup_ident(void) die("You don't exist. Go away!"); /* Get the name ("gecos") */ - len = strlen(pw->pw_gecos); - if (len >= sizeof(real_name)) - die("Your parents must have hated you!"); - memcpy(real_name, pw->pw_gecos, len+1); + copy_gecos(pw, real_name, sizeof(real_name)); /* Make up a fake email address (name + '@' + hostname [+ '.' + domainname]) */ len = strlen(pw->pw_name); -- 2.11.0