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echo

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This commit is contained in:
Loic Deridder
2025-01-15 14:22:41 +01:00
parent 0ec78ee34c
commit ee0e122e70
1 changed files with 18 additions and 2 deletions
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20
srcs/builtins/echo.c
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@@ -24,6 +24,23 @@ int is_silent(char *str)
return (0); return (0);
} }
char *ft_getenv(char *str, char **envp)
{
char *tmp;
int j;
size_t len;
j = 0;
tmp = ft_strjoin(str, "=");
len = ft_strlen(tmp);
while (envp[j] && ft_strnstr(envp[j], tmp, len) == NULL)
j++;
if (!envp[j])
return (free(tmp), NULL);
free(tmp);
return (&envp[j][len]);
}
static int extractenv(char *str, char **envp) static int extractenv(char *str, char **envp)
{ {
int i; int i;
@@ -31,12 +48,11 @@ static int extractenv(char *str, char **envp)
char *tmp; char *tmp;
i = 0; i = 0;
(void)envp;
while (str[i] && str[i] != ' ') while (str[i] && str[i] != ' ')
i++; i++;
if (i >= 1) if (i >= 1)
tmp = ft_substr(str, 1, i - 1); tmp = ft_substr(str, 1, i - 1);
var = getenv(tmp); var = ft_getenv(tmp, envp);
free(tmp); free(tmp);
if (var) if (var)
ft_printf("%s", var); ft_printf("%s", var);