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fix export =""

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This commit is contained in:
tomoron
2024-04-26 16:07:25 +02:00
parent ee49511eaf
commit 6c58f1d26c
2 changed files with 16 additions and 73 deletions
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62
.gitignore vendored
View File

@ -1,62 +0,0 @@
# Prerequisites
*.d
.tonotdo
minishell
minishell_bonus
.minishellrc
objs/
.tmp*
out
minishell_tester/
# Object files
*.o
*.ko
*.obj
*.elf
# Linker output
*.ilk
*.map
*.exp
# Precompiled Headers
*.gch
*.pch
# Libraries
*.lib
*.a
*.la
*.lo
# Shared objects (inc. Windows DLLs)
*.dll
*.so
*.so.*
*.dylib
# Executables
*.exe
*.out
*.app
*.i*86
*.x86_64
*.hex
# Debug files
*.dSYM/
*.su
*.idb
*.pdb
# Kernel Module Compile Results
*.mod*
*.cmd
.tmp_versions/
modules.order
Module.symvers
Mkfile.old
dkms.conf

27
srcs/export.c
View File

@ -6,7 +6,7 @@
/* By: marde-vr <marde-vr@42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/18 18:29:20 by marde-vr #+# #+# */
/* Updated: 2024/04/26 10:52:17 by marde-vr ### ########.fr */
/* Updated: 2024/04/26 16:06:09 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
@ -21,7 +21,7 @@ int export_invalid_identifier(char *arg, char *name)
return (1);
}
t_env *set_env(t_env *env, char *name, char *value, int append)
t_env *set_env(t_env *env, char *name, char *value, int flags)
{
t_env *tmp;
@ -31,12 +31,12 @@ t_env *set_env(t_env *env, char *name, char *value, int append)
if (!ft_strcmp(name, tmp->name))
{
free(name);
if (!*value)
if (!*value && !(flags & 0b10))
{
free(value);
return (env);
}
if (append)
if (flags & 0b1)
value = ft_strjoin_free(tmp->value, value, 2);
if (!value)
return (env);
@ -49,7 +49,7 @@ t_env *set_env(t_env *env, char *name, char *value, int append)
return (env_add_back(env, name, value));
}
t_env *export_set_env(t_env *env, char *name, char *value, int append)
t_env *export_set_env(t_env *env, char *name, char *value, int flags)
{
if (!value || !name)
{
@ -58,7 +58,7 @@ t_env *export_set_env(t_env *env, char *name, char *value, int append)
ft_printf_fd(2, "minishell: malloc failed");
return (env);
}
return (set_env(env, name, value, append));
return (set_env(env, name, value, flags));
}
int export_var(t_token *cmd, t_env *env)
@ -67,20 +67,25 @@ int export_var(t_token *cmd, t_env *env)
char *name;
char *value;
int len;
int append;
int flags;
len = 0;
arg = cmd->value;
while (arg[len] && arg[len] != '=' && arg[len] != '+')
len++;
name = ft_substr(arg, 0, len);
append = arg[len] == '+';
if (arg[len] == '=' || (arg[len] == '+' && arg[len + 1] == '='))
len += 1 + (arg[len] == '+');
flags = arg[len] == '+';
if (arg[len] == '+' && arg[len + 1] == '=')
len++;
if (arg[len] == '=')
{
flags += 0b10;
len++;
}
if (!name || !check_var_name(name) || arg[len] == '+')
return (export_invalid_identifier(arg, name));
value = ft_strdup(arg + len);
env = export_set_env(env, name, value, append);
env = export_set_env(env, name, value, flags);
return (0);
}