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