109 lines
2.2 KiB
C
109 lines
2.2 KiB
C
/*
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* FreeBSD install - a package for the installation and maintainance
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* of non-core utilities.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* Jordan K. Hubbard
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* 18 July 1993
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*
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* Miscellaneous string utilities.
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*
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "lib.h"
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char *
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strconcat(const char *s1, const char *s2)
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{
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static char tmp[FILENAME_MAX];
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tmp[0] = '\0';
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strncpy(tmp, s1 ? s1 : s2, FILENAME_MAX); /* XXX: what if both are NULL? */
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if (s1 && s2)
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strncat(tmp, s2, FILENAME_MAX - strlen(tmp));
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return tmp;
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}
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/* Get a string parameter as a file spec or as a "contents follow -" spec */
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char *
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get_dash_string(char **str)
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{
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char *s = *str;
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if (*s == '-')
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*str = copy_string(s + 1);
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else
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*str = fileGetContents(s);
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return *str;
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}
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/* Rather Obvious */
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char *
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copy_string(const char *str)
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{
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return (str ? strdup(str) : NULL);
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}
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/* Return TRUE if 'str' ends in suffix 'suff' */
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Boolean
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suffix(const char *str, const char *suff)
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{
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char *idx;
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Boolean ret = FALSE;
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idx = strrchr(str, '.');
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if (idx && !strcmp(idx + 1, suff))
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ret = TRUE;
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return ret;
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}
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/* Assuming str has a suffix, brutally murder it! */
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void
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nuke_suffix(char *str)
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{
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char *idx;
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idx = strrchr(str, '.');
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if (idx)
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*idx = '\0'; /* Yow! Don't try this on a const! */
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}
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/* Lowercase a whole string */
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void
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str_lowercase(char *str)
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{
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while (*str) {
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*str = tolower(*str);
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++str;
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}
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}
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char *
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get_string(char *str, int max, FILE *fp)
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{
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int len;
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if (!str)
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return NULL;
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str[0] = '\0';
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while (fgets(str, max, fp)) {
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len = strlen(str);
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while (len && isspace(str[len - 1]))
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str[--len] = '\0';
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if (len)
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return str;
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}
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return NULL;
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}
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