misc.c

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/*
 * libsms misc - some useful functions
 *
 * Authors:     Michael Jochum <[e-mail]>
 *
 * TODO:        
 *
 * Fixes:
 *
 * For license terms, see the file COPYING in the project directory.
 */

#include <string.h>
#include <glib.h>
#include "misc.h"

/* strip trailing CR and LF from the string */
void gsms_str_strip_crlf(gchar * str)
{
	gint i;

	i = strlen(str) - 1;

	if ((i >= 0) && (str[i] == '\n')) {
		str[i--] = '\0';
		if ((i >= 0) && (str[i] == '\r'))
			str[i] = '\0';
	}
	return;
}


/* Returns a new allocated string which is a copy of str up to the next
   CR or LF if. If thre are no CRLF's this acts like g_strdup.
   If next != NULL then a pointer to the beginning of the next line is
   returned. If the last line has been reached NULL is returned. */
gchar *gsms_str_get_line(const gchar * str, gchar ** next)
{
	gchar *p1, *p2, *end;

	p1 = strchr(str, '\n');
	p2 = strchr(str, '\r');
	if (p2 == NULL)
		end = p1;
	else if (p1 == NULL)
		end = p2;
	else
		end = p1 > p2 ? p2 : p1;

	if (end == NULL) {
		if (next != NULL)
			*next = NULL;
		return g_strdup(str);
	}

	if (next != NULL) {
		*next = end + 1;
		if (end[1] == '\n' || end[1] == '\r')
			*next += 1;
	}
	return g_strndup(str, end - str);
}