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ls: fix a bug where we may use uninintialized variable

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This commit is contained in:
Denis Vlasenko 2008-07-15 05:21:47 +00:00
parent 4b8171cd7a
commit 51f1b6c0e0
1 changed files with 6 additions and 5 deletions
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11
coreutils/ls.c
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@ -837,7 +837,8 @@ int ls_main(int argc UNUSED_PARAM, char **argv)
int dnfiles;
int dndirs;
int i;
USE_FEATURE_LS_COLOR(char *color_opt;)
/* need to initialize since --color has _an optional_ argument */
USE_FEATURE_LS_COLOR(const char *color_opt = "always";)
INIT_G();
@ -888,15 +889,15 @@ int ls_main(int argc UNUSED_PARAM, char **argv)
if (ENABLE_FEATURE_LS_COLOR_IS_DEFAULT && isatty(STDOUT_FILENO)) {
char *p = getenv("LS_COLORS");
/* LS_COLORS is unset, or (not empty && not "none") ? */
if (!p || (p[0] && strcmp(p, "none")))
if (!p || (p[0] && strcmp(p, "none") != 0))
show_color = 1;
}
if (opt & (1 << i)) { /* next flag after short options */
if (!color_opt || !strcmp("always", color_opt))
if (strcmp("always", color_opt) == 0)
show_color = 1;
else if (color_opt && !strcmp("never", color_opt))
else if (strcmp("never", color_opt) == 0)
show_color = 0;
else if (color_opt && !strcmp("auto", color_opt) && isatty(STDOUT_FILENO))
else if (strcmp("auto", color_opt) == 0 && isatty(STDOUT_FILENO))
show_color = 1;
}
#endif