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https://github.com/freebsd/freebsd-src
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sh: reindent a for loop in parser.c
Reduce indentation level before a commit that will add new code here. Reviewed by: jilles Differential Revision: https://reviews.freebsd.org/D37926
This commit is contained in:
Piotr Pawel Stefaniak
parent
0b294a386d
commit
63b6e661d2
260
bin/sh/parser.c
260
bin/sh/parser.c
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@ -2054,135 +2054,139 @@ getprompt(void *unused __unused)
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/*
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* Format prompt string.
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*/
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for (i = 0; (i < PROMPTLEN - 1) && (*fmt != '\0'); i++, fmt++)
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if (*fmt == '\\')
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switch (*++fmt) {
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/*
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* Non-printing sequence begin and end.
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*/
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case '[':
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case ']':
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ps[i] = '\001';
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break;
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/*
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* Literal \ and some ASCII characters:
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* \a BEL
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* \e ESC
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* \r CR
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*/
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case '\\':
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case 'a':
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case 'e':
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case 'r':
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if (*fmt == 'a')
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ps[i] = '\007';
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else if (*fmt == 'e')
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ps[i] = '\033';
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else if (*fmt == 'r')
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ps[i] = '\r';
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else
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ps[i] = '\\';
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break;
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/*
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* CRLF sequence
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*/
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case 'n':
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if (i < PROMPTLEN - 3) {
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ps[i++] = '\r';
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ps[i] = '\n';
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}
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break;
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/*
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* Hostname.
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*
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* \h specifies just the local hostname,
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* \H specifies fully-qualified hostname.
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*/
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case 'h':
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case 'H':
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ps[i] = '\0';
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gethostname(&ps[i], PROMPTLEN - i - 1);
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ps[PROMPTLEN - 1] = '\0';
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/* Skip to end of hostname. */
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trim = (*fmt == 'h') ? '.' : '\0';
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while ((ps[i] != '\0') && (ps[i] != trim))
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i++;
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--i;
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break;
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/*
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* User name.
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*/
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case 'u':
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ps[i] = '\0';
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getusername(&ps[i], PROMPTLEN - i);
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/* Skip to end of username. */
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while (ps[i + 1] != '\0')
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i++;
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break;
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/*
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* Working directory.
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*
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* \W specifies just the final component,
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* \w specifies the entire path.
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*/
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case 'W':
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case 'w':
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pwd = lookupvar("PWD");
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if (pwd == NULL || *pwd == '\0')
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pwd = "?";
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if (*fmt == 'W' &&
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*pwd == '/' && pwd[1] != '\0')
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strlcpy(&ps[i], strrchr(pwd, '/') + 1,
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PROMPTLEN - i);
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else {
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home = lookupvar("HOME");
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if (home != NULL)
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homelen = strlen(home);
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if (home != NULL &&
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strcmp(home, "/") != 0 &&
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strncmp(pwd, home, homelen) == 0 &&
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(pwd[homelen] == '/' ||
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pwd[homelen] == '\0')) {
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strlcpy(&ps[i], "~",
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PROMPTLEN - i);
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strlcpy(&ps[i + 1],
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pwd + homelen,
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PROMPTLEN - i - 1);
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} else {
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strlcpy(&ps[i], pwd, PROMPTLEN - i);
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}
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}
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/* Skip to end of path. */
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while (ps[i + 1] != '\0')
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i++;
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break;
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/*
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* Superuser status.
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*
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* '$' for normal users, '#' for root.
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*/
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case '$':
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ps[i] = (geteuid() != 0) ? '$' : '#';
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break;
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/*
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* Emit unrecognized formats verbatim.
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*/
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default:
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ps[i] = '\\';
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if (i < PROMPTLEN - 2)
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ps[++i] = *fmt;
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break;
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}
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else
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for (i = 0; (i < PROMPTLEN - 1) && (*fmt != '\0'); i++, fmt++) {
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if (*fmt != '\\') {
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ps[i] = *fmt;
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continue;
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}
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switch (*++fmt) {
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/*
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* Non-printing sequence begin and end.
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*/
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case '[':
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case ']':
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ps[i] = '\001';
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break;
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/*
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* Literal \ and some ASCII characters:
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* \a BEL
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* \e ESC
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* \r CR
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*/
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case '\\':
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case 'a':
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case 'e':
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case 'r':
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if (*fmt == 'a')
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ps[i] = '\007';
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else if (*fmt == 'e')
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ps[i] = '\033';
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else if (*fmt == 'r')
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ps[i] = '\r';
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else
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ps[i] = '\\';
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break;
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/*
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* CRLF sequence
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*/
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case 'n':
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if (i < PROMPTLEN - 3) {
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ps[i++] = '\r';
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ps[i] = '\n';
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}
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break;
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/*
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* Hostname.
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*
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* \h specifies just the local hostname,
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* \H specifies fully-qualified hostname.
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*/
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case 'h':
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case 'H':
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ps[i] = '\0';
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gethostname(&ps[i], PROMPTLEN - i - 1);
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ps[PROMPTLEN - 1] = '\0';
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/* Skip to end of hostname. */
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trim = (*fmt == 'h') ? '.' : '\0';
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while ((ps[i] != '\0') && (ps[i] != trim))
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i++;
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--i;
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break;
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/*
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* User name.
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*/
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case 'u':
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ps[i] = '\0';
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getusername(&ps[i], PROMPTLEN - i);
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/* Skip to end of username. */
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while (ps[i + 1] != '\0')
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i++;
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break;
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/*
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* Working directory.
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*
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* \W specifies just the final component,
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* \w specifies the entire path.
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*/
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case 'W':
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case 'w':
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pwd = lookupvar("PWD");
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if (pwd == NULL || *pwd == '\0')
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pwd = "?";
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if (*fmt == 'W' &&
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*pwd == '/' && pwd[1] != '\0')
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strlcpy(&ps[i], strrchr(pwd, '/') + 1,
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PROMPTLEN - i);
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else {
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home = lookupvar("HOME");
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if (home != NULL)
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homelen = strlen(home);
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if (home != NULL &&
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strcmp(home, "/") != 0 &&
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strncmp(pwd, home, homelen) == 0 &&
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(pwd[homelen] == '/' ||
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pwd[homelen] == '\0')) {
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strlcpy(&ps[i], "~",
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PROMPTLEN - i);
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strlcpy(&ps[i + 1],
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pwd + homelen,
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PROMPTLEN - i - 1);
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} else {
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strlcpy(&ps[i], pwd, PROMPTLEN - i);
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}
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}
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/* Skip to end of path. */
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while (ps[i + 1] != '\0')
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i++;
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break;
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/*
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* Superuser status.
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*
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* '$' for normal users, '#' for root.
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*/
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case '$':
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ps[i] = (geteuid() != 0) ? '$' : '#';
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break;
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/*
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* Emit unrecognized formats verbatim.
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*/
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default:
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ps[i] = '\\';
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if (i < PROMPTLEN - 2)
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ps[++i] = *fmt;
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break;
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}
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}
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ps[i] = '\0';
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return (ps);
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}
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