src/usr.bin/mail/cmd3.c - diff

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version 1.7, 1997/07/14 00:24:25

version 1.8, 1997/07/30 06:32:38

Line 65

char *shell;

char cmd[BUFSIZ];

(void)strcpy(cmd, str);

(void)strncpy(cmd, str, sizeof(cmd) - 1);

if (bangexp(cmd) < 0)

cmd[sizeof(cmd) - 1] = '\0';

if (bangexp(cmd, sizeof(cmd)) < 0)

return(1);

if ((shell = value("SHELL")) == NULL)

shell = _PATH_CSHELL;

Line 99

Line 100

* Expand the shell escape by expanding unescaped !'s into the

* last issued command where possible.

char lastbang[128];

int

bangexp(str)

bangexp(str, strsize)

char *str;

size_t strsize;

{

char bangbuf[BUFSIZ];

static char lastbang[BUFSIZ];

int changed = 0;

Line 141

}

*cp2 = 0;

if (changed) {

printf("!%s\n", bangbuf);

(void)printf("!%s\n", bangbuf);

fflush(stdout);

(void)fflush(stdout);

}

strcpy(str, bangbuf);

(void)strncpy(str, bangbuf, strsize - 1);

strncpy(lastbang, bangbuf, sizeof(lastbang) - 1);

str[strsize - 1] = '\0';

(void)strncpy(lastbang, bangbuf, sizeof(lastbang) - 1);

lastbang[sizeof(lastbang) - 1] = '\0';

return(0);

}